ENVOWater Treatment Chemicals
Conceptual wastewater-treatment facility with circular clarifiers and rectangular aeration zones
Manufacturing & Process Effluents

Pulp & Paper Wastewater and White-Water Reuse

Coagulation, flocculation & clarification; Settling, thickening & dewatering; Color & difficult-organic treatment

Conceptual wastewater-treatment facility with circular clarifiers and rectangular aeration zones, used as an industry or equipment reference. Process selection depends on water quality and project conditions.
Your process challenges

Chemistry matched to real operating conditions.

Account for changing process streams, contaminant forms and downstream treatment before choosing the chemical route.

Treatment approach

Pulp & Paper Wastewater and White-Water Reuse: understand the treatment stages first.

Evaluate paper-mill white-water reuse separately from combined discharge. Select appropriate routes for fiber / suspended-solids recovery, color and organic loading.

Check together during selection

Identify each process stream and pollution source first, then use the same water sample to compare the relevant treatment stages and downstream effects.

Compare candidate products below by treatment objective. Evaluate different routes separately; the list does not imply simultaneous dosing.

Find products by treatment objective
Operating conditions and product routes

Pulp & Paper Wastewater and White-Water Reuse: match requirements to each treatment stage.

Compare treatment objectives, chemical functions and verification criteria stage by stage. Products in the table may be alternatives or serve different stages; they are not necessarily dosed together.

Define influent and objectives first

Share water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits. This helps organize treatment products by segregated streams and contamination characteristics and narrow the product and specification range.

Then confirm assessment limits

Identify separate process-water streams and contamination sources first, then compare the relevant treatment steps and downstream effects using the same water sample.

Compare all treatment routesProduct roles, conditions and verification
Pulp & Paper Wastewater and White-Water Reuse: treatment objectives and product routes
Treatment objective / stageProduct routes to compareFunction / applicable conditionsChecks before selection
Coagulation, flocculation & clarificationCoagulation & solid–liquid separationFilter by this objective

Review water source, turbidity or suspended solids, pH, alkalinity and the settling or flotation process. Potable-water applications require product-specific end-use documentation.

View each product's function and conditions
Polyaluminium Chloride
Function:Inorganic salt coagulation creates separable particles and affects downstream sludge production and alkalinity demand.
Conditions:Compare pH, alkalinity, effective metal content and representative coagulation trials. Ferrous salts also require defined oxidation and downstream separation conditions.
Aluminium Sulfate
Function:Inorganic salt coagulation creates separable particles and affects downstream sludge production and alkalinity demand.
Conditions:Compare pH, alkalinity, effective metal content and representative coagulation trials. Ferrous salts also require defined oxidation and downstream separation conditions.
Ferric Chloride
Function:Inorganic salt coagulation creates separable particles and affects downstream sludge production and alkalinity demand.
Conditions:Compare pH, alkalinity, effective metal content and representative coagulation trials. Ferrous salts also require defined oxidation and downstream separation conditions.
Ferric Sulfate
Function:Inorganic salt coagulation creates separable particles and affects downstream sludge production and alkalinity demand.
Conditions:Compare pH, alkalinity, effective metal content and representative coagulation trials. Ferrous salts also require defined oxidation and downstream separation conditions.
Polyferric Sulfate
Function:Inorganic salt coagulation creates separable particles and affects downstream sludge production and alkalinity demand.
Conditions:Compare pH, alkalinity, effective metal content and representative coagulation trials. Ferrous salts also require defined oxidation and downstream separation conditions.
Polyamine Coagulant
Function:An organic coagulant option that destabilizes colloids before further flocculation and solid–liquid separation.
Conditions:Define the sample's charge demand, intended use and downstream process. A polymer name alone does not establish dosage or grade.
Poly(diallyldimethylammonium Chloride)
Function:An organic coagulant option that destabilizes colloids before further flocculation and solid–liquid separation.
Conditions:Define the sample's charge demand, intended use and downstream process. A polymer name alone does not establish dosage or grade.
Polyacrylamide
Function:Polymer bridging and charge effects help build separable flocs. Flocculation does not remove dissolved salts or all COD.
Conditions:Define particle and sludge properties, and match preparation, shear and settling/flotation/dewatering trials to the selected grade.
Polyacrylamide Emulsion
Function:Polymer bridging and charge effects help build separable flocs. Flocculation does not remove dissolved salts or all COD.
Conditions:Define particle and sludge properties, and match preparation, shear and settling/flotation/dewatering trials to the selected grade.
Aluminium Chlorohydrate
Function:Inorganic salt coagulation creates separable particles and affects downstream sludge production and alkalinity demand.
Conditions:Compare pH, alkalinity, effective metal content and representative coagulation trials. Ferrous salts also require defined oxidation and downstream separation conditions.
Sodium Aluminate
Function:Inorganic salt coagulation creates separable particles and affects downstream sludge production and alkalinity demand.
Conditions:Compare pH, alkalinity, effective metal content and representative coagulation trials. Ferrous salts also require defined oxidation and downstream separation conditions.
Ferrous Chloride
Function:Inorganic salt coagulation creates separable particles and affects downstream sludge production and alkalinity demand.
Conditions:Compare pH, alkalinity, effective metal content and representative coagulation trials. Ferrous salts also require defined oxidation and downstream separation conditions.
Biobased Flocculant
Function:A supplementary coagulation route for specific raw material sources or water conditions.
Conditions:Have the material composition, end-use documents and comparison trials on the same water sample available.
View product-specific checks
Polyaluminium Chloride
Pulp & Paper Wastewater and White-Water Reuse: Al₂O₃ content; Basicity; Insoluble matter; pH test conditions; Impurity limits for the intended use; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Aluminium Sulfate
Pulp & Paper Wastewater and White-Water Reuse: Al₂O₃ content; Iron; Insoluble matter; pH conditions; Hydration state; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Ferric Chloride
Pulp & Paper Wastewater and White-Water Reuse: Effective iron content; Free acid; Impurities; Form & trial results; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Ferric Sulfate
Pulp & Paper Wastewater and White-Water Reuse: Iron content; Free acid; Insoluble matter; Impurity requirements for the intended use; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Polyferric Sulfate
Pulp & Paper Wastewater and White-Water Reuse: Total iron; Basicity; Insoluble matter; Form; Trial conditions; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Polyamine Coagulant
Pulp & Paper Wastewater and White-Water Reuse: Composition; Active content & method; Viscosity test conditions; pH; Application trials; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Poly(diallyldimethylammonium Chloride)
Pulp & Paper Wastewater and White-Water Reuse: Nominal concentration & test basis; Viscosity & test conditions; Residual monomer; pH; End-use documents; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Polyacrylamide
Pulp & Paper Wastewater and White-Water Reuse: Ionic type & charge characteristics; Viscosity and test concentration/temperature; Residual monomer & test report; Dissolution conditions; Trial evaluation criteria; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Polyacrylamide Emulsion
Pulp & Paper Wastewater and White-Water Reuse: Ionic type; Active polymer; Emulsion system; Preparation conditions; Residual monomer; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Aluminium Chlorohydrate
Pulp & Paper Wastewater and White-Water Reuse: Al₂O₃ basis; Basicity; Impurities; Specific end use; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Sodium Aluminate
Pulp & Paper Wastewater and White-Water Reuse: Active components; Alkalinity; Form; Process compatibility; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Ferrous Chloride
Pulp & Paper Wastewater and White-Water Reuse: Ferrous iron content; Free acid; Impurities; Downstream solid–liquid separation; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Biobased Flocculant
Pulp & Paper Wastewater and White-Water Reuse: Raw material & composition; Suitable pH; Degradability data; Residual impurities; Trial performance; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.

Compare results using representative water samples or site data, retaining the test methods and operating conditions.

Settling, thickening & dewateringCoagulation & solid–liquid separationFilter by this objective

Review the medium source, solids content, particle characteristics, return water and equipment. Compare using representative sample trials.

View each product's function and conditions
Polyacrylamide
Function:Polymer bridging and charge effects help build separable flocs. Flocculation does not remove dissolved salts or all COD.
Conditions:Define particle and sludge properties, and match preparation, shear and settling/flotation/dewatering trials to the selected grade.
Polyacrylamide Emulsion
Function:Polymer bridging and charge effects help build separable flocs. Flocculation does not remove dissolved salts or all COD.
Conditions:Define particle and sludge properties, and match preparation, shear and settling/flotation/dewatering trials to the selected grade.
Polyamine Coagulant
Function:An organic coagulant option that destabilizes colloids before further flocculation and solid–liquid separation.
Conditions:Define the sample's charge demand, intended use and downstream process. A polymer name alone does not establish dosage or grade.
Poly(diallyldimethylammonium Chloride)
Function:An organic coagulant option that destabilizes colloids before further flocculation and solid–liquid separation.
Conditions:Define the sample's charge demand, intended use and downstream process. A polymer name alone does not establish dosage or grade.
Polyaluminium Chloride
Function:Inorganic salt coagulation creates separable particles and affects downstream sludge production and alkalinity demand.
Conditions:Compare pH, alkalinity, effective metal content and representative coagulation trials. Ferrous salts also require defined oxidation and downstream separation conditions.
Polyferric Sulfate
Function:Inorganic salt coagulation creates separable particles and affects downstream sludge production and alkalinity demand.
Conditions:Compare pH, alkalinity, effective metal content and representative coagulation trials. Ferrous salts also require defined oxidation and downstream separation conditions.
View product-specific checks
Polyacrylamide
Pulp & Paper Wastewater and White-Water Reuse: Ionic type & charge characteristics; Viscosity and test concentration/temperature; Residual monomer & test report; Dissolution conditions; Trial evaluation criteria; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Polyacrylamide Emulsion
Pulp & Paper Wastewater and White-Water Reuse: Ionic type; Active polymer; Emulsion system; Preparation conditions; Residual monomer; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Polyamine Coagulant
Pulp & Paper Wastewater and White-Water Reuse: Composition; Active content & method; Viscosity test conditions; pH; Application trials; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Poly(diallyldimethylammonium Chloride)
Pulp & Paper Wastewater and White-Water Reuse: Nominal concentration & test basis; Viscosity & test conditions; Residual monomer; pH; End-use documents; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Polyaluminium Chloride
Pulp & Paper Wastewater and White-Water Reuse: Al₂O₃ content; Basicity; Insoluble matter; pH test conditions; Impurity limits for the intended use; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Polyferric Sulfate
Pulp & Paper Wastewater and White-Water Reuse: Total iron; Basicity; Insoluble matter; Form; Trial conditions; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.

Compare results using representative water samples or site data, retaining the test methods and operating conditions.

Color & difficult-organic treatmentColor removal & advanced oxidationFilter by this objective

Separate coagulation and adsorption routes from advanced oxidation. Confirm applicability, by-products and downstream compatibility by testing.

View each product's function and conditions
Decolorizing Coagulant
Function:Destabilizes and separates coagulation-treatable dyes, colloids or color components.
Conditions:Define the dye or color source, salinity, pH, COD fractions and coagulation trials. Decolorization does not automatically establish overall COD removal.
Polyaluminium Chloride
Function:Destabilizes and separates coagulation-treatable dyes, colloids or color components.
Conditions:Define the dye or color source, salinity, pH, COD fractions and coagulation trials. Decolorization does not automatically establish overall COD removal.
Ferric Chloride
Function:Destabilizes and separates coagulation-treatable dyes, colloids or color components.
Conditions:Define the dye or color source, salinity, pH, COD fractions and coagulation trials. Decolorization does not automatically establish overall COD removal.
Polyamine Coagulant
Function:Destabilizes and separates coagulation-treatable dyes, colloids or color components.
Conditions:Define the dye or color source, salinity, pH, COD fractions and coagulation trials. Decolorization does not automatically establish overall COD removal.
Powdered Activated Carbon
Function:Adsorbs certain color-, odor- or taste-causing substances or dissolved organic components, with downstream separation.
Conditions:Define the adsorption target, carbon grade, trials and spent-carbon/sludge disposal.
Hydrogen Peroxide
Function:Participates in an engineered oxidation/catalytic route confirmed by trials; it is not a general substitute for decolorizing coagulation.
Conditions:Define the contaminants, reaction system, by-products and downstream treatment. Assess the separate contributions of oxidation and coagulation.
Ferrous Sulfate
Function:Participates in an engineered oxidation/catalytic route confirmed by trials; it is not a general substitute for decolorizing coagulation.
Conditions:Define the contaminants, reaction system, by-products and downstream treatment. Assess the separate contributions of oxidation and coagulation.
Engineered Ozone Oxidation
Function:Participates in an engineered oxidation/catalytic route confirmed by trials; it is not a general substitute for decolorizing coagulation.
Conditions:Define the contaminants, reaction system, by-products and downstream treatment. Assess the separate contributions of oxidation and coagulation. Engineering items cover supporting requirements and chemical coordination only; they do not establish equipment manufacturing, installation or system approval.
Persulfate Oxidants
Function:Participates in an engineered oxidation/catalytic route confirmed by trials; it is not a general substitute for decolorizing coagulation.
Conditions:Define the contaminants, reaction system, by-products and downstream treatment. Assess the separate contributions of oxidation and coagulation.
View product-specific checks
Decolorizing Coagulant
Pulp & Paper Wastewater and White-Water Reuse: Actual dye or color source; Product composition; Other chemicals used; Trial results; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Polyaluminium Chloride
Pulp & Paper Wastewater and White-Water Reuse: Al₂O₃ content; Basicity; Insoluble matter; pH test conditions; Impurity limits for the intended use; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Ferric Chloride
Pulp & Paper Wastewater and White-Water Reuse: Effective iron content; Free acid; Impurities; Form & trial results; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Polyamine Coagulant
Pulp & Paper Wastewater and White-Water Reuse: Composition; Active content & method; Viscosity test conditions; pH; Application trials; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Powdered Activated Carbon
Pulp & Paper Wastewater and White-Water Reuse: Media composition; Particle size & grading; Treatment objective; Capacity or performance test conditions; End-use documents; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Hydrogen Peroxide
Pulp & Paper Wastewater and White-Water Reuse: Active content; Impurities; Actual target contaminants; Catalytic & downstream treatment conditions; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Ferrous Sulfate
Pulp & Paper Wastewater and White-Water Reuse: Ferrous & total iron; Hydration form; Oxidation state; Impurities; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Engineered Ozone Oxidation
Pulp & Paper Wastewater and White-Water Reuse: Target contaminants; Engineered equipment; Mass transfer; Residual & off-gas management; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Persulfate Oxidants
Pulp & Paper Wastewater and White-Water Reuse: Salt type & composition; Contaminants; Activation process; By-products & downstream treatment; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.

Compare results using representative water samples or site data, retaining the test methods and operating conditions.

Industrial microbial, slime & biofilm controlDisinfection & microbiological controlFilter by this objective

Distinguish active substances by their actual registered use and material compatibility. Industrial chemicals cannot be used directly as drinking-water or liquid-cooling chemicals.

View each product's function and conditions
Benzalkonium Chloride
Function:Provides active substances or finished formulations for microbial control in the relevant water system. Different actives require separate assessment.
Conditions:Match product-specific end-use documents, target microorganisms, materials, contact procedure and residual control to the water system.
Isothiazolinone Biocide
Function:Provides active substances or finished formulations for microbial control in the relevant water system. Different actives require separate assessment.
Conditions:Match product-specific end-use documents, target microorganisms, materials, contact procedure and residual control to the water system.
Benzisothiazolinone
Function:Provides active substances or finished formulations for microbial control in the relevant water system. Different actives require separate assessment.
Conditions:Match product-specific end-use documents, target microorganisms, materials, contact procedure and residual control to the water system.
Glutaraldehyde Biocide
Function:Provides active substances or finished formulations for microbial control in the relevant water system. Different actives require separate assessment.
Conditions:Match product-specific end-use documents, target microorganisms, materials, contact procedure and residual control to the water system.
2,2-Dibromo-3-nitrilopropionamide
Function:Provides active substances or finished formulations for microbial control in the relevant water system. Different actives require separate assessment.
Conditions:Match product-specific end-use documents, target microorganisms, materials, contact procedure and residual control to the water system.
Tetrakis(hydroxymethyl)phosphonium Sulfate
Function:Provides active substances or finished formulations for microbial control in the relevant water system. Different actives require separate assessment.
Conditions:Match product-specific end-use documents, target microorganisms, materials, contact procedure and residual control to the water system.
Bromine-Based Water-Treatment Biocide
Function:Provides active substances or finished formulations for microbial control in the relevant water system. Different actives require separate assessment.
Conditions:Match product-specific end-use documents, target microorganisms, materials, contact procedure and residual control to the water system.
Sodium Hypochlorite
Function:Provides active substances or finished formulations for microbial control in the relevant water system. Different actives require separate assessment.
Conditions:Match product-specific end-use documents, target microorganisms, materials, contact procedure and residual control to the water system.
Biodispersant & Slime-Control Treatment
Function:Helps manage industrial biofilm or slime and serves a different role from a biocide program.
Conditions:Define the actual composition, compatibility with the selected biocide, and material and discharge limits.
View product-specific checks
Benzalkonium Chloride
Pulp & Paper Wastewater and White-Water Reuse: Active content; Alkyl composition; Solvent; Free amine; Foaming & formulation compatibility; End-use authorization; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Isothiazolinone Biocide
Pulp & Paper Wastewater and White-Water Reuse: Actual active component; Content basis; Contact conditions; End-use & registration documents; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Benzisothiazolinone
Pulp & Paper Wastewater and White-Water Reuse: Actual active component; Content basis; Contact conditions; End-use & registration documents; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Glutaraldehyde Biocide
Pulp & Paper Wastewater and White-Water Reuse: Actual active component; Content basis; Contact conditions; End-use & registration documents; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
2,2-Dibromo-3-nitrilopropionamide
Pulp & Paper Wastewater and White-Water Reuse: Actual active component; Content basis; Contact conditions; End-use & registration documents; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Tetrakis(hydroxymethyl)phosphonium Sulfate
Pulp & Paper Wastewater and White-Water Reuse: Actual active component; Content basis; Contact conditions; End-use & registration documents; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Bromine-Based Water-Treatment Biocide
Pulp & Paper Wastewater and White-Water Reuse: Actual active component; Content basis; Contact conditions; End-use & registration documents; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Sodium Hypochlorite
Pulp & Paper Wastewater and White-Water Reuse: Available chlorine as mass fraction or g/L; Concentration at delivery; Free alkali; Impurities; Storage and transport time & conditions; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Biodispersant & Slime-Control Treatment
Pulp & Paper Wastewater and White-Water Reuse: Composition; Biocide compatibility; Materials; Discharge & operating procedure; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.

Compare results using representative water samples or site data, retaining the test methods and operating conditions.

Foam control & downstream compatibilityFoam control & process aidsFilter by this objective

Assess the foam source, temperature and biological, membrane or coating process. Selection must consider downstream effects as well as initial foam knockdown.

View each product's function and conditions
Silicone Defoamer
Function:Controls foam under the relevant operating conditions using silicone, polyether or non-silicone formulation properties.
Conditions:Compare defoaming trials, temperature and medium, and confirm downstream effects on biological treatment, membranes, coatings or product purity.
Polyether Defoamer
Function:Controls foam under the relevant operating conditions using silicone, polyether or non-silicone formulation properties.
Conditions:Compare defoaming trials, temperature and medium, and confirm downstream effects on biological treatment, membranes, coatings or product purity.
Non-Silicone Defoamer
Function:Controls foam under the relevant operating conditions using silicone, polyether or non-silicone formulation properties.
Conditions:Compare defoaming trials, temperature and medium, and confirm downstream effects on biological treatment, membranes, coatings or product purity.
View product-specific checks
Silicone Defoamer
Pulp & Paper Wastewater and White-Water Reuse: Formulation & active components; Temperature; Defoaming trials; Effects on membranes, coating & biological processes; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Polyether Defoamer
Pulp & Paper Wastewater and White-Water Reuse: Formulation & active components; Temperature; Defoaming trials; Effects on membranes, coating & biological processes; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Non-Silicone Defoamer
Pulp & Paper Wastewater and White-Water Reuse: Formulation & active components; Temperature; Defoaming trials; Effects on membranes, coating & biological processes; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.

Compare results using representative water samples or site data, retaining the test methods and operating conditions.

Need to compare these routes under your operating conditions?Share influent quality, treatment objectives and the existing process to discuss which products and conditions should be validated first.

Process & product matching

Select a treatment objective to explore suitable products.

Different treatment routes may apply. Open the matching notes for each product to review its role, conditions and purchasing criteria.

Identify separate process-water streams and contamination sources first, then compare the relevant treatment steps and downstream effects using the same water sample.
Polyaluminium Chloride · Product form referenceSpecialty formulations
Coagulation & flocculation

Polyaluminium Chloride

For raw water and wastewater coagulation, compare active components, basicity and water-sample trials against clarification and phosphorus-removal requirements.

Why this matchesConditional option
Role
Inorganic salt coagulation creates separable particles and affects downstream sludge production and alkalinity demand.
Conditions
Compare pH, alkalinity, effective metal content and representative coagulation trials. Ferrous salts also require defined oxidation and downstream separation conditions.
Before purchase
Pulp & Paper Wastewater and White-Water Reuse: Al₂O₃ content; Basicity; Insoluble matter; pH test conditions; Impurity limits for the intended use; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Confirmed available
Aluminium Sulfate · Product form referenceBase chemicals
Coagulation & flocculation

Aluminium Sulfate

An aluminium salt option for coagulation and chemical phosphorus removal in raw water and wastewater, supporting clarification and solid–liquid separation.

Why this matchesConditional option
Role
Inorganic salt coagulation creates separable particles and affects downstream sludge production and alkalinity demand.
Conditions
Compare pH, alkalinity, effective metal content and representative coagulation trials. Ferrous salts also require defined oxidation and downstream separation conditions.
Before purchase
Pulp & Paper Wastewater and White-Water Reuse: Al₂O₃ content; Iron; Insoluble matter; pH conditions; Hydration state; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Confirmed available
Ferric Chloride · Product form referenceBase chemicals
Coagulation & flocculation

Ferric Chloride

An iron salt raw material for coagulation and chemical phosphorus removal, supporting clarification and sludge–water separation.

Why this matchesConditional option
Role
Inorganic salt coagulation creates separable particles and affects downstream sludge production and alkalinity demand.
Conditions
Compare pH, alkalinity, effective metal content and representative coagulation trials. Ferrous salts also require defined oxidation and downstream separation conditions.
Before purchase
Pulp & Paper Wastewater and White-Water Reuse: Effective iron content; Free acid; Impurities; Form & trial results; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Confirmed available
Ferric Sulfate · Product form referenceBase chemicals
Coagulation & flocculation

Ferric Sulfate

An iron salt option for water and wastewater coagulation and phosphorus removal, followed by flocculation and separation.

Why this matchesConditional option
Role
Inorganic salt coagulation creates separable particles and affects downstream sludge production and alkalinity demand.
Conditions
Compare pH, alkalinity, effective metal content and representative coagulation trials. Ferrous salts also require defined oxidation and downstream separation conditions.
Before purchase
Pulp & Paper Wastewater and White-Water Reuse: Iron content; Free acid; Insoluble matter; Impurity requirements for the intended use; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Confirmed available
Polyferric Sulfate · Product form referenceSpecialty formulations
Coagulation & flocculation

Polyferric Sulfate

A polymeric iron coagulant option for clarification, phosphorus removal and sludge treatment support.

Why this matchesConditional option
Role
Inorganic salt coagulation creates separable particles and affects downstream sludge production and alkalinity demand.
Conditions
Compare pH, alkalinity, effective metal content and representative coagulation trials. Ferrous salts also require defined oxidation and downstream separation conditions.
Before purchase
Pulp & Paper Wastewater and White-Water Reuse: Total iron; Basicity; Insoluble matter; Form; Trial conditions; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Confirmed available
Polyamine Coagulant · Product form referenceSpecialty formulations
Coagulation & flocculation

Polyamine Coagulant

An organic coagulant option for colloid destabilization, clarification and separation in certain oily water systems.

Why this matchesConditional option
Role
An organic coagulant option that destabilizes colloids before further flocculation and solid–liquid separation.
Conditions
Define the sample's charge demand, intended use and downstream process. A polymer name alone does not establish dosage or grade.
Before purchase
Pulp & Paper Wastewater and White-Water Reuse: Composition; Active content & method; Viscosity test conditions; pH; Application trials; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Confirmed available
Poly(diallyldimethylammonium Chloride) · Product form referenceSpecialty formulations
Coagulation & flocculation

Poly(diallyldimethylammonium Chloride)

An organic coagulating polymer for raw water, industrial water and suitable solid–liquid separation procedures.

Why this matchesConditional option
Role
An organic coagulant option that destabilizes colloids before further flocculation and solid–liquid separation.
Conditions
Define the sample's charge demand, intended use and downstream process. A polymer name alone does not establish dosage or grade.
Before purchase
Pulp & Paper Wastewater and White-Water Reuse: Nominal concentration & test basis; Viscosity & test conditions; Residual monomer; pH; End-use documents; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Confirmed available
Polyacrylamide · Product form referenceSpecialty formulations
Coagulation & flocculation

Polyacrylamide

Select a suitable PAM for clarification, settling, thickening and sludge dewatering, matching flocculation behavior to the water, particles and equipment.

Why this matchesConditional option
Role
Polymer bridging and charge effects help build separable flocs. Flocculation does not remove dissolved salts or all COD.
Conditions
Define particle and sludge properties, and match preparation, shear and settling/flotation/dewatering trials to the selected grade.
Before purchase
Pulp & Paper Wastewater and White-Water Reuse: Ionic type & charge characteristics; Viscosity and test concentration/temperature; Residual monomer & test report; Dissolution conditions; Trial evaluation criteria; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Confirmed available
Polyacrylamide Emulsion · Product form referenceSpecialty formulations
Coagulation & flocculation

Polyacrylamide Emulsion

An emulsion flocculating polymer for solid–liquid separation in clarification, thickening and dewatering.

Why this matchesConditional option
Role
Polymer bridging and charge effects help build separable flocs. Flocculation does not remove dissolved salts or all COD.
Conditions
Define particle and sludge properties, and match preparation, shear and settling/flotation/dewatering trials to the selected grade.
Before purchase
Pulp & Paper Wastewater and White-Water Reuse: Ionic type; Active polymer; Emulsion system; Preparation conditions; Residual monomer; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Confirmed available
Aluminium Chlorohydrate · Product form referenceSpecialty formulations
Coagulation & flocculation

Aluminium Chlorohydrate

An aluminium coagulant with a different composition from PAC, for raw water and wastewater clarification.

Why this matchesConditional option
Role
Inorganic salt coagulation creates separable particles and affects downstream sludge production and alkalinity demand.
Conditions
Compare pH, alkalinity, effective metal content and representative coagulation trials. Ferrous salts also require defined oxidation and downstream separation conditions.
Before purchase
Pulp & Paper Wastewater and White-Water Reuse: Al₂O₃ basis; Basicity; Impurities; Specific end use; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Confirmed available
Sodium Aluminate · Product form referenceBase chemicals
Coagulation & flocculation

Sodium Aluminate

An alkaline aluminium component for suitable coagulation, chemical phosphorus removal and precipitation softening.

Why this matchesConditional option
Role
Inorganic salt coagulation creates separable particles and affects downstream sludge production and alkalinity demand.
Conditions
Compare pH, alkalinity, effective metal content and representative coagulation trials. Ferrous salts also require defined oxidation and downstream separation conditions.
Before purchase
Pulp & Paper Wastewater and White-Water Reuse: Active components; Alkalinity; Form; Process compatibility; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Confirmed available
Ferrous Chloride · Product form referenceBase chemicals
Coagulation & flocculation

Ferrous Chloride

A ferrous salt option for specified reduction, sulfide-control and water treatment steps.

Why this matchesConditional option
Role
Inorganic salt coagulation creates separable particles and affects downstream sludge production and alkalinity demand.
Conditions
Compare pH, alkalinity, effective metal content and representative coagulation trials. Ferrous salts also require defined oxidation and downstream separation conditions.
Before purchase
Pulp & Paper Wastewater and White-Water Reuse: Ferrous iron content; Free acid; Impurities; Downstream solid–liquid separation; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Confirmed available
Biobased Flocculant · Product form referenceSpecialty formulations
Coagulation & flocculation

Biobased Flocculant

A bio-based flocculant route for specific solid–liquid separation requirements validated in trials.

Why this matchesConditional option
Role
A supplementary coagulation route for specific raw material sources or water conditions.
Conditions
Have the material composition, end-use documents and comparison trials on the same water sample available.
Before purchase
Pulp & Paper Wastewater and White-Water Reuse: Raw material & composition; Suitable pH; Degradability data; Residual impurities; Trial performance; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Confirmed available
Decolorizing Coagulant · Product form referenceSpecialty formulations
Coagulation & flocculation

Decolorizing Coagulant

A decolorizing coagulant option for certain dyes and colored industrial wastewater, used with flocculation and solid–liquid separation.

Why this matchesConditional option
Role
Destabilizes and separates coagulation-treatable dyes, colloids or color components.
Conditions
Define the dye or color source, salinity, pH, COD fractions and coagulation trials. Decolorization does not automatically establish overall COD removal.
Before purchase
Pulp & Paper Wastewater and White-Water Reuse: Actual dye or color source; Product composition; Other chemicals used; Trial results; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Confirmed available
Powdered Activated Carbon · Product form referenceMedia & resins
Adsorption, ion exchange & filtration

Powdered Activated Carbon

Powdered adsorption material for certain organic compounds, color, odor and taste, followed by sludge–water separation.

Why this matchesConditional option
Role
Adsorbs certain color-, odor- or taste-causing substances or dissolved organic components, with downstream separation.
Conditions
Define the adsorption target, carbon grade, trials and spent-carbon/sludge disposal.
Before purchase
Pulp & Paper Wastewater and White-Water Reuse: Media composition; Particle size & grading; Treatment objective; Capacity or performance test conditions; End-use documents; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Confirmed available
Hydrogen Peroxide · Product form referenceBase chemicals
Oxidation & advanced treatment

Hydrogen Peroxide

An oxidant option for specified oxidation, decolorization and engineered disinfection steps, matched to the contaminants and reaction route.

Why this matchesConditional option
Role
Participates in an engineered oxidation/catalytic route confirmed by trials; it is not a general substitute for decolorizing coagulation.
Conditions
Define the contaminants, reaction system, by-products and downstream treatment. Assess the separate contributions of oxidation and coagulation.
Before purchase
Pulp & Paper Wastewater and White-Water Reuse: Active content; Impurities; Actual target contaminants; Catalytic & downstream treatment conditions; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Confirmed available
Ferrous Sulfate · Product form referenceBase chemicals
Coagulation & flocculation

Ferrous Sulfate

A ferrous salt raw material for specified coagulation, reduction and phosphorus-control procedures.

Why this matchesConditional option
Role
Participates in an engineered oxidation/catalytic route confirmed by trials; it is not a general substitute for decolorizing coagulation.
Conditions
Define the contaminants, reaction system, by-products and downstream treatment. Assess the separate contributions of oxidation and coagulation.
Before purchase
Pulp & Paper Wastewater and White-Water Reuse: Ferrous & total iron; Hydration form; Oxidation state; Impurities; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Confirmed available
Engineered Ozone Oxidation · Product form referenceEngineering coordination
Oxidation & advanced treatment

Engineered Ozone Oxidation

Define treatment objectives, water quality and supporting chemical requirements for an existing or proposed ozone treatment step.

Why this matchesConditional option
Role
Participates in an engineered oxidation/catalytic route confirmed by trials; it is not a general substitute for decolorizing coagulation.
Conditions
Define the contaminants, reaction system, by-products and downstream treatment. Assess the separate contributions of oxidation and coagulation. Engineering items cover supporting requirements and chemical coordination only; they do not establish equipment manufacturing, installation or system approval.
Before purchase
Pulp & Paper Wastewater and White-Water Reuse: Target contaminants; Engineered equipment; Mass transfer; Residual & off-gas management; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Confirmed available
Persulfate Oxidants · Product form referenceBase chemicals
Oxidation & advanced treatment

Persulfate Oxidants

A persulfate oxidation raw material for advanced treatment and remediation procedures designed through trials.

Why this matchesConditional option
Role
Participates in an engineered oxidation/catalytic route confirmed by trials; it is not a general substitute for decolorizing coagulation.
Conditions
Define the contaminants, reaction system, by-products and downstream treatment. Assess the separate contributions of oxidation and coagulation.
Before purchase
Pulp & Paper Wastewater and White-Water Reuse: Salt type & composition; Contaminants; Activation process; By-products & downstream treatment; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Confirmed available
Benzalkonium Chloride · Product form referenceSpecialty formulations
Disinfection & oxidation

Benzalkonium Chloride

A quaternary ammonium active substance option for suitable industrial microbial control and formulation purchasing.

Why this matchesConditional option
Role
Provides active substances or finished formulations for microbial control in the relevant water system. Different actives require separate assessment.
Conditions
Match product-specific end-use documents, target microorganisms, materials, contact procedure and residual control to the water system.
Before purchase
Pulp & Paper Wastewater and White-Water Reuse: Active content; Alkyl composition; Solvent; Free amine; Foaming & formulation compatibility; End-use authorization; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Confirmed available
Isothiazolinone Biocide · Product form referenceSpecialty formulations
Disinfection & microbiological control

Isothiazolinone Biocide

A CMIT/MIT active-substance route for industrial microbial control, matched to the system water circuit and intended use.

Why this matchesConditional option
Role
Provides active substances or finished formulations for microbial control in the relevant water system. Different actives require separate assessment.
Conditions
Match product-specific end-use documents, target microorganisms, materials, contact procedure and residual control to the water system.
Before purchase
Pulp & Paper Wastewater and White-Water Reuse: Actual active component; Content basis; Contact conditions; End-use & registration documents; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Confirmed available
Benzisothiazolinone · Product form referenceBase chemicals
Disinfection & microbiological control

Benzisothiazolinone

A BIT active-substance route for industrial microbial control, matched to the system water circuit and intended use.

Why this matchesConditional option
Role
Provides active substances or finished formulations for microbial control in the relevant water system. Different actives require separate assessment.
Conditions
Match product-specific end-use documents, target microorganisms, materials, contact procedure and residual control to the water system.
Before purchase
Pulp & Paper Wastewater and White-Water Reuse: Actual active component; Content basis; Contact conditions; End-use & registration documents; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Confirmed available
Glutaraldehyde Biocide · Product form referenceSpecialty formulations
Disinfection & microbiological control

Glutaraldehyde Biocide

A glutaraldehyde active-substance route for industrial microbial control, matched to the system water circuit and intended use.

Why this matchesConditional option
Role
Provides active substances or finished formulations for microbial control in the relevant water system. Different actives require separate assessment.
Conditions
Match product-specific end-use documents, target microorganisms, materials, contact procedure and residual control to the water system.
Before purchase
Pulp & Paper Wastewater and White-Water Reuse: Actual active component; Content basis; Contact conditions; End-use & registration documents; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Confirmed available
2,2-Dibromo-3-nitrilopropionamide · Product form referenceSpecialty formulations
Disinfection & microbiological control

2,2-Dibromo-3-nitrilopropionamide

A DBNPA active-substance route for industrial microbial control, matched to the system water circuit and intended use.

Why this matchesConditional option
Role
Provides active substances or finished formulations for microbial control in the relevant water system. Different actives require separate assessment.
Conditions
Match product-specific end-use documents, target microorganisms, materials, contact procedure and residual control to the water system.
Before purchase
Pulp & Paper Wastewater and White-Water Reuse: Actual active component; Content basis; Contact conditions; End-use & registration documents; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Confirmed available
Tetrakis(hydroxymethyl)phosphonium Sulfate · Product form referenceSpecialty formulations
Disinfection & microbiological control

Tetrakis(hydroxymethyl)phosphonium Sulfate

A THPS active-substance route for industrial microbial control, matched to the system water circuit and intended use.

Why this matchesConditional option
Role
Provides active substances or finished formulations for microbial control in the relevant water system. Different actives require separate assessment.
Conditions
Match product-specific end-use documents, target microorganisms, materials, contact procedure and residual control to the water system.
Before purchase
Pulp & Paper Wastewater and White-Water Reuse: Actual active component; Content basis; Contact conditions; End-use & registration documents; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Confirmed available
Bromine-Based Water-Treatment Biocide · Product form referenceSpecialty formulations
Disinfection & microbiological control

Bromine-Based Water-Treatment Biocide

A bromine-based active-substance route for industrial microbial control, matched to the system water circuit and intended use.

Why this matchesConditional option
Role
Provides active substances or finished formulations for microbial control in the relevant water system. Different actives require separate assessment.
Conditions
Match product-specific end-use documents, target microorganisms, materials, contact procedure and residual control to the water system.
Before purchase
Pulp & Paper Wastewater and White-Water Reuse: Actual active component; Content basis; Contact conditions; End-use & registration documents; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Confirmed available
Sodium Hypochlorite · Product form referenceBase chemicals
Disinfection & oxidation

Sodium Hypochlorite

A chlorine source for suitable disinfection steps in water supply, wastewater and industrial water, compatible with liquid dosing arrangements.

Why this matchesConditional option
Role
Provides active substances or finished formulations for microbial control in the relevant water system. Different actives require separate assessment.
Conditions
Match product-specific end-use documents, target microorganisms, materials, contact procedure and residual control to the water system.
Before purchase
Pulp & Paper Wastewater and White-Water Reuse: Available chlorine as mass fraction or g/L; Concentration at delivery; Free alkali; Impurities; Storage and transport time & conditions; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Confirmed available
Biodispersant & Slime-Control Treatment · Product form referenceSpecialty formulations
Disinfection & microbiological control

Biodispersant & Slime-Control Treatment

A supporting chemical for industrial cooling-water biofilm and slime management, selected alongside the relevant biocide procedure.

Why this matchesConditional option
Role
Helps manage industrial biofilm or slime and serves a different role from a biocide program.
Conditions
Define the actual composition, compatibility with the selected biocide, and material and discharge limits.
Before purchase
Pulp & Paper Wastewater and White-Water Reuse: Composition; Biocide compatibility; Materials; Discharge & operating procedure; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Confirmed available
Silicone Defoamer · Product form referenceSpecialty formulations
Foam control & process aids

Silicone Defoamer

A silicone-based defoaming formulation for suitable industrial water and wastewater foam-control steps.

Why this matchesConditional option
Role
Controls foam under the relevant operating conditions using silicone, polyether or non-silicone formulation properties.
Conditions
Compare defoaming trials, temperature and medium, and confirm downstream effects on biological treatment, membranes, coatings or product purity.
Before purchase
Pulp & Paper Wastewater and White-Water Reuse: Formulation & active components; Temperature; Defoaming trials; Effects on membranes, coating & biological processes; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Confirmed available
Polyether Defoamer · Product form referenceSpecialty formulations
Foam control & process aids

Polyether Defoamer

A polyether defoaming formulation selected against the medium and operating temperature for industrial water treatment.

Why this matchesConditional option
Role
Controls foam under the relevant operating conditions using silicone, polyether or non-silicone formulation properties.
Conditions
Compare defoaming trials, temperature and medium, and confirm downstream effects on biological treatment, membranes, coatings or product purity.
Before purchase
Pulp & Paper Wastewater and White-Water Reuse: Formulation & active components; Temperature; Defoaming trials; Effects on membranes, coating & biological processes; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Confirmed available
Non-Silicone Defoamer · Product form referenceSpecialty formulations
Foam control & process aids

Non-Silicone Defoamer

A non-silicone defoaming formulation for water systems with specific requirements concerning silicone components.

Why this matchesConditional option
Role
Controls foam under the relevant operating conditions using silicone, polyether or non-silicone formulation properties.
Conditions
Compare defoaming trials, temperature and medium, and confirm downstream effects on biological treatment, membranes, coatings or product purity.
Before purchase
Pulp & Paper Wastewater and White-Water Reuse: Formulation & active components; Temperature; Defoaming trials; Effects on membranes, coating & biological processes; Consider water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits.
Confirmed available
PURCHASING QUESTIONS

More questions, answered.

How should I select water-treatment products for Pulp & Paper Wastewater and White-Water Reuse?

Wastewater treatment, white-water circulation and production-process additives have different boundaries. Select products for the actual water circuit.

What information helps select products for this application?

Share water circuits, suspended solids, color, COD, paper grade, equipment and reuse limits. This helps organize treatment products by segregated streams and contamination characteristics and narrow the product and specification range.

How are the suitable product and grade confirmed?

Identify separate process-water streams and contamination sources first, then compare the relevant treatment steps and downstream effects using the same water sample. No universal dose or treatment result is implied. Product options may serve primary, supporting, conditional or alternative roles.

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