ENVOWater Treatment Chemicals
Stacked horizontal RO-type pressure vessels and headers
Water Reuse, Brines & ZLD

Reclaimed Water & Industrial Reuse

Coagulation, flocculation & clarification; Filter media & filter aids; Chlorine or engineered chlorine-dioxide treatment

Stacked horizontal RO-type pressure vessels and headers, 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.

Select chemistry for the reuse destination or concentrate-management route, including temperature, salt loading and downstream product requirements.

Treatment approach

Reclaimed Water & Industrial Reuse: understand the treatment stages first.

Work backward from the final reuse point: first control suspended solids and organic fouling, then determine disinfection, dechlorination or advanced membrane-treatment requirements.

Check together during selection

The reuse objective determines the required treatment stages. Assess discharge requirements, membrane protection and downstream water-use conditions separately.

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

Reclaimed Water & Industrial 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 source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements. This helps select supporting products around the next water-use process and narrow the product and specification range.

Then confirm assessment limits

The reuse objective determines the required treatment steps. Assess discharge requirements, membrane protection and downstream water-use conditions separately.

Compare all treatment routesProduct roles, conditions and verification
Reclaimed Water & Industrial 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
Reclaimed Water & Industrial Reuse: Al₂O₃ content; Basicity; Insoluble matter; pH test conditions; Impurity limits for the intended use; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
Aluminium Sulfate
Reclaimed Water & Industrial Reuse: Al₂O₃ content; Iron; Insoluble matter; pH conditions; Hydration state; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
Ferric Chloride
Reclaimed Water & Industrial Reuse: Effective iron content; Free acid; Impurities; Form & trial results; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
Ferric Sulfate
Reclaimed Water & Industrial Reuse: Iron content; Free acid; Insoluble matter; Impurity requirements for the intended use; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
Polyferric Sulfate
Reclaimed Water & Industrial Reuse: Total iron; Basicity; Insoluble matter; Form; Trial conditions; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
Polyamine Coagulant
Reclaimed Water & Industrial Reuse: Composition; Active content & method; Viscosity test conditions; pH; Application trials; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
Poly(diallyldimethylammonium Chloride)
Reclaimed Water & Industrial Reuse: Nominal concentration & test basis; Viscosity & test conditions; Residual monomer; pH; End-use documents; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
Polyacrylamide
Reclaimed Water & Industrial Reuse: Ionic type & charge characteristics; Viscosity and test concentration/temperature; Residual monomer & test report; Dissolution conditions; Trial evaluation criteria; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
Polyacrylamide Emulsion
Reclaimed Water & Industrial Reuse: Ionic type; Active polymer; Emulsion system; Preparation conditions; Residual monomer; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
Aluminium Chlorohydrate
Reclaimed Water & Industrial Reuse: Al₂O₃ basis; Basicity; Impurities; Specific end use; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
Sodium Aluminate
Reclaimed Water & Industrial Reuse: Active components; Alkalinity; Form; Process compatibility; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
Ferrous Chloride
Reclaimed Water & Industrial Reuse: Ferrous iron content; Free acid; Impurities; Downstream solid–liquid separation; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
Biobased Flocculant
Reclaimed Water & Industrial Reuse: Raw material & composition; Suitable pH; Degradability data; Residual impurities; Trial performance; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.

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

Filter media & filter aidsAdsorption & filtrationFilter by this objective

Confirm the filter design, particle-size distribution, allowable pressure drop and final water use before selecting a medium or filter aid.

View each product's function and conditions
Sand / Anthracite Filtration Media
Function:Improves particle separation through filter-bed retention or an equipment-compatible filter-aid layer.
Conditions:Define filter structure, particle grading, pressure differential, backwashing and final water use. Sand filtration does not equate to dissolved-ion removal.
Diatomite / Perlite Filter Aids
Function:Improves particle separation through filter-bed retention or an equipment-compatible filter-aid layer.
Conditions:Define filter structure, particle grading, pressure differential, backwashing and final water use. Sand filtration does not equate to dissolved-ion removal.
View product-specific checks
Sand / Anthracite Filtration Media
Reclaimed Water & Industrial Reuse: Media composition; Particle size & grading; Treatment objective; Capacity or performance test conditions; End-use documents; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
Diatomite / Perlite Filter Aids
Reclaimed Water & Industrial Reuse: Media composition; Particle size & grading; Treatment objective; Capacity or performance test conditions; End-use documents; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.

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

Chlorine or engineered chlorine-dioxide treatmentDisinfection & microbiological controlFilter by this objective

Match the chemical to the intended use, generation equipment and monitoring plan. Sodium chlorite is a precursor for an engineered process, not an interchangeable direct chlorine source.

View each product's function and conditions
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.
Calcium 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.
Sodium Chlorite Solution
Function:A sodium chlorite precursor for an approved generation system, not a general directly dosed chlorine source.
Conditions:Define the generator-specified precursor, actual concentration, intended use and monitoring documents.
Sodium Chlorite Solid
Function:A sodium chlorite precursor for an approved generation system, not a general directly dosed chlorine source.
Conditions:Define the generator-specified precursor, actual concentration, intended use and monitoring documents.
Engineered Chlorine-Dioxide Treatment
Function:Coordinates chemicals and documents for a specified system, keeping engineered procedures distinct from general stock chemicals.
Conditions:Define the project, specified system, approved use and residual/by-product monitoring. This does not establish equipment manufacture or system approval. Engineering items cover supporting requirements and chemical coordination only; they do not establish equipment manufacturing, installation or system approval.
View product-specific checks
Sodium Hypochlorite
Reclaimed Water & Industrial Reuse: Available chlorine as mass fraction or g/L; Concentration at delivery; Free alkali; Impurities; Storage and transport time & conditions; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
Calcium Hypochlorite
Reclaimed Water & Industrial Reuse: Available chlorine; Insoluble matter; Moisture; Particle form; Labels & transport documents; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
Sodium Chlorite Solution
Reclaimed Water & Industrial Reuse: NaClO₂ content & measurement basis; Chlorate; Alkali & salt impurities; System requirements; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
Sodium Chlorite Solid
Reclaimed Water & Industrial Reuse: NaClO₂ content; Chlorate; Impurities; Packaging; Safety & transport documents; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
Engineered Chlorine-Dioxide Treatment
Reclaimed Water & Industrial Reuse: Generation system requirements; Specified precursor; End-use documents; Monitoring & residual assessment; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.

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

Residual-chlorine reduction & dechlorinationReduction & dechlorinationFilter by this objective

Specify how the oxidant is measured, the treatment location, monitoring method and downstream use. Reducing agents are not automatically interchangeable.

View each product's function and conditions
Sodium Metabisulfite
Function:The corresponding reducing component controls measured residual chlorine or another specified residual oxidant.
Conditions:Define the oxidant species and measurement basis, process location, downstream membrane/biological use and residual monitoring.
Sodium Thiosulfate
Function:The corresponding reducing component controls measured residual chlorine or another specified residual oxidant.
Conditions:Define the oxidant species and measurement basis, process location, downstream membrane/biological use and residual monitoring.
Sodium Bisulfite
Function:The corresponding reducing component controls measured residual chlorine or another specified residual oxidant.
Conditions:Define the oxidant species and measurement basis, process location, downstream membrane/biological use and residual monitoring.
Sodium Sulfite
Function:The corresponding reducing component controls measured residual chlorine or another specified residual oxidant.
Conditions:Define the oxidant species and measurement basis, process location, downstream membrane/biological use and residual monitoring.
View product-specific checks
Sodium Metabisulfite
Reclaimed Water & Industrial Reuse: Na₂S₂O₅ content; Impurities; Solution preparation & storage requirements; Sampling & monitoring; Membrane supplier requirements; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
Sodium Thiosulfate
Reclaimed Water & Industrial Reuse: Pentahydrate/anhydrous basis; Content; Insoluble matter; Impurities; Reaction & monitoring conditions; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
Sodium Bisulfite
Reclaimed Water & Industrial Reuse: Active reducing component; Solution content basis; Impurities; Monitoring & process conditions; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
Sodium Sulfite
Reclaimed Water & Industrial Reuse: Salt form; Active components; Catalyst system; System temperature & end use; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.

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

RO/NF scale inhibition & dispersionMembrane scale control & maintenanceFilter by this objective

Review complete ion analysis, membrane model, recovery rate and concentrate scaling risk. Raw materials do not automatically qualify as membrane treatment formulations.

View each product's function and conditions
RO/NF Antiscalant
Function:A formulated RO/NF antiscalant candidate assessed against the actual feedwater, concentrate and recovery rate.
Conditions:HEDP or ATMP raw material names and general cooling-water parameters do not replace validation of a formulation's suitability for the membrane system.
View product-specific checks
RO/NF Antiscalant
Reclaimed Water & Industrial Reuse: Complete water analysis; Recovery rate; Main scale-forming ions; Membrane model; Formulation & compatibility data; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.

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.

The reuse objective determines the required treatment steps. Assess discharge requirements, membrane protection and downstream water-use conditions separately.
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
Reclaimed Water & Industrial Reuse: Al₂O₃ content; Basicity; Insoluble matter; pH test conditions; Impurity limits for the intended use; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
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
Reclaimed Water & Industrial Reuse: Al₂O₃ content; Iron; Insoluble matter; pH conditions; Hydration state; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
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
Reclaimed Water & Industrial Reuse: Effective iron content; Free acid; Impurities; Form & trial results; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
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
Reclaimed Water & Industrial Reuse: Iron content; Free acid; Insoluble matter; Impurity requirements for the intended use; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
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
Reclaimed Water & Industrial Reuse: Total iron; Basicity; Insoluble matter; Form; Trial conditions; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
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
Reclaimed Water & Industrial Reuse: Composition; Active content & method; Viscosity test conditions; pH; Application trials; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
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
Reclaimed Water & Industrial Reuse: Nominal concentration & test basis; Viscosity & test conditions; Residual monomer; pH; End-use documents; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
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
Reclaimed Water & Industrial Reuse: Ionic type & charge characteristics; Viscosity and test concentration/temperature; Residual monomer & test report; Dissolution conditions; Trial evaluation criteria; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
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
Reclaimed Water & Industrial Reuse: Ionic type; Active polymer; Emulsion system; Preparation conditions; Residual monomer; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
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
Reclaimed Water & Industrial Reuse: Al₂O₃ basis; Basicity; Impurities; Specific end use; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
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
Reclaimed Water & Industrial Reuse: Active components; Alkalinity; Form; Process compatibility; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
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
Reclaimed Water & Industrial Reuse: Ferrous iron content; Free acid; Impurities; Downstream solid–liquid separation; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
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
Reclaimed Water & Industrial Reuse: Raw material & composition; Suitable pH; Degradability data; Residual impurities; Trial performance; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
Confirmed available
Sand / Anthracite Filtration Media · Product form referenceMedia & resins
Adsorption, ion exchange & filtration

Sand / Anthracite Filtration Media

Sand, anthracite and other filtration materials for particle separation in raw water and industrial water.

Why this matchesConditional option
Role
Improves particle separation through filter-bed retention or an equipment-compatible filter-aid layer.
Conditions
Define filter structure, particle grading, pressure differential, backwashing and final water use. Sand filtration does not equate to dissolved-ion removal.
Before purchase
Reclaimed Water & Industrial Reuse: Media composition; Particle size & grading; Treatment objective; Capacity or performance test conditions; End-use documents; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
Confirmed available
Diatomite / Perlite Filter Aids · Product form referenceMedia & resins
Adsorption, ion exchange & filtration

Diatomite / Perlite Filter Aids

Diatomite or perlite filter aids for suitable filtration equipment, supporting filter-layer formation and particle retention.

Why this matchesConditional option
Role
Improves particle separation through filter-bed retention or an equipment-compatible filter-aid layer.
Conditions
Define filter structure, particle grading, pressure differential, backwashing and final water use. Sand filtration does not equate to dissolved-ion removal.
Before purchase
Reclaimed Water & Industrial Reuse: Media composition; Particle size & grading; Treatment objective; Capacity or performance test conditions; End-use documents; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
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
Reclaimed Water & Industrial Reuse: Available chlorine as mass fraction or g/L; Concentration at delivery; Free alkali; Impurities; Storage and transport time & conditions; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
Confirmed available
Calcium Hypochlorite · Product form referenceBase chemicals
Disinfection & oxidation

Calcium Hypochlorite

A solid chlorine source for the relevant water treatment procedure, considering available chlorine, impurities and disinfection equipment.

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
Reclaimed Water & Industrial Reuse: Available chlorine; Insoluble matter; Moisture; Particle form; Labels & transport documents; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
Confirmed available
Sodium Chlorite Solution · Product form referenceBase chemicals
Disinfection & oxidation

Sodium Chlorite Solution

A liquid precursor for an engineered chlorine-dioxide generation system, specified against the generator's required raw materials and delivery requirements.

Why this matchesConditional option
Role
A sodium chlorite precursor for an approved generation system, not a general directly dosed chlorine source.
Conditions
Define the generator-specified precursor, actual concentration, intended use and monitoring documents.
Before purchase
Reclaimed Water & Industrial Reuse: NaClO₂ content & measurement basis; Chlorate; Alkali & salt impurities; System requirements; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
Confirmed available
Sodium Chlorite Solid · Product form referenceBase chemicals
Disinfection & oxidation

Sodium Chlorite Solid

A solid sodium chlorite option for the relevant industrial procedure or specified chlorine-dioxide generator.

Why this matchesConditional option
Role
A sodium chlorite precursor for an approved generation system, not a general directly dosed chlorine source.
Conditions
Define the generator-specified precursor, actual concentration, intended use and monitoring documents.
Before purchase
Reclaimed Water & Industrial Reuse: NaClO₂ content; Chlorate; Impurities; Packaging; Safety & transport documents; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
Confirmed available
Engineered Chlorine-Dioxide Treatment · Product form referenceEngineering coordination
Disinfection & microbiological control

Engineered Chlorine-Dioxide Treatment

Organize precursor, supporting chemical and document requirements around the specified chlorine-dioxide system so purchasing matches the equipment procedure.

Why this matchesConditional option
Role
Coordinates chemicals and documents for a specified system, keeping engineered procedures distinct from general stock chemicals.
Conditions
Define the project, specified system, approved use and residual/by-product monitoring. This does not establish equipment manufacture or system approval. Engineering items cover supporting requirements and chemical coordination only; they do not establish equipment manufacturing, installation or system approval.
Before purchase
Reclaimed Water & Industrial Reuse: Generation system requirements; Specified precursor; End-use documents; Monitoring & residual assessment; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
Confirmed available
Sodium Metabisulfite · Product form referenceBase chemicals
Reduction, dechlorination & oxygen scavenging

Sodium Metabisulfite

A reducing and dechlorinating raw material for suitable membrane protection and other specified residual-oxidant control steps.

Why this matchesConditional option
Role
The corresponding reducing component controls measured residual chlorine or another specified residual oxidant.
Conditions
Define the oxidant species and measurement basis, process location, downstream membrane/biological use and residual monitoring.
Before purchase
Reclaimed Water & Industrial Reuse: Na₂S₂O₅ content; Impurities; Solution preparation & storage requirements; Sampling & monitoring; Membrane supplier requirements; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
Confirmed available
Sodium Thiosulfate · Product form referenceBase chemicals
Reduction, dechlorination & oxygen scavenging

Sodium Thiosulfate

A reducing raw material for the relevant dechlorination procedure, specified by hydration form and process requirements.

Why this matchesConditional option
Role
The corresponding reducing component controls measured residual chlorine or another specified residual oxidant.
Conditions
Define the oxidant species and measurement basis, process location, downstream membrane/biological use and residual monitoring.
Before purchase
Reclaimed Water & Industrial Reuse: Pentahydrate/anhydrous basis; Content; Insoluble matter; Impurities; Reaction & monitoring conditions; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
Confirmed available
Sodium Bisulfite · Product form referenceBase chemicals
Reduction, dechlorination & oxygen scavenging

Sodium Bisulfite

A reducing raw material for suitable dechlorination, specified oxygen-scavenging or reduction procedures.

Why this matchesConditional option
Role
The corresponding reducing component controls measured residual chlorine or another specified residual oxidant.
Conditions
Define the oxidant species and measurement basis, process location, downstream membrane/biological use and residual monitoring.
Before purchase
Reclaimed Water & Industrial Reuse: Active reducing component; Solution content basis; Impurities; Monitoring & process conditions; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
Confirmed available
Sodium Sulfite · Product form referenceBase chemicals
Reduction, dechlorination & oxygen scavenging

Sodium Sulfite

A sulfite raw material for suitable dechlorination and industrial oxygen-scavenging procedures.

Why this matchesConditional option
Role
The corresponding reducing component controls measured residual chlorine or another specified residual oxidant.
Conditions
Define the oxidant species and measurement basis, process location, downstream membrane/biological use and residual monitoring.
Before purchase
Reclaimed Water & Industrial Reuse: Salt form; Active components; Catalyst system; System temperature & end use; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
Confirmed available
RO/NF Antiscalant · Product form referenceSpecialty formulations
Membrane treatment chemicals

RO/NF Antiscalant

A formulated RO/NF antiscalant selected using complete water analysis, recovery rate and scaling risk.

Why this matchesConditional option
Role
A formulated RO/NF antiscalant candidate assessed against the actual feedwater, concentrate and recovery rate.
Conditions
HEDP or ATMP raw material names and general cooling-water parameters do not replace validation of a formulation's suitability for the membrane system.
Before purchase
Reclaimed Water & Industrial Reuse: Complete water analysis; Recovery rate; Main scale-forming ions; Membrane model; Formulation & compatibility data; Consider source-water data, the intended reuse process, membranes or equipment, microbial limits and residual requirements.
Confirmed available
PURCHASING QUESTIONS

More questions, answered.

How should I select water-treatment products for Reclaimed Water & Industrial Reuse?

The reuse application determines the additional treatment stages. Meeting discharge limits does not establish suitability for every reuse.

What information helps select products for this application?

Source water, target reuse process, membranes/equipment, microbiology and residual-chemical requirements.

How are the suitable product and grade confirmed?

The reuse objective determines the required treatment steps. Assess discharge requirements, membrane protection and downstream water-use conditions separately. No universal dose or treatment result is implied. Product options may serve primary, supporting, conditional or alternative roles.

ENVO CHEMICAL

Discuss your water treatment needs

Share your application, current product or purchasing requirements to discuss a suitable supply option.

ENVO · Selection & Purchasing

Tell Us What You Need

Design preview: requirements are organized on this page only. Nothing is sent or saved to a backend.

Your Inquiry Context

Add a product or site issue, or choose an application.

Applications
Not specified. Add details below.
Treatment objective
Help confirm a suitable direction
Products of Interest
You can discuss water conditions before selecting a product.
Start with What You Know

Share water quality, process or current product details so we can discuss options and identify missing information.

Supporting filesOptional

Images, PDFs, spreadsheets and documents. Up to 5 files: 20 MB each, 50 MB total.

    Purchasing detailsOptional · Company, quantity and destination

    Email is required. Other details can follow.

    This design preview does not send automatically
    Selection, purchasing & documentsShare what you know

    Choose a language