Mining solid–liquid separation reference Process selection depends on water quality and project conditions.
Your process challenges
Chemistry matched to real operating conditions.
Improve the basis for slurry-treatment selection by connecting particle behavior, separation equipment and return-water needs.
Treatment approach
Coal-Washing Water & Fine-Coal Dewatering: understand the treatment stages first.
Separate coal-washing fines through flocculation, thickening and dewatering, and assess clarified-water reuse separately. A general open-pit mine thickener image does not document coal-slurry color or dewatering.
Swipe horizontally to view the full diagram.
Coal slurry and water qualityParticle size, ash content and concentration
Flocculation compatibility trialsPolymer and shear conditions
Thickening and dewateringAssess underflow and filter cake separately
Compare settling, filter pressing and scaling risks using representative slurry and return water, with equipment and reuse conditions taken into account.
Compare candidate products below by treatment objective. Evaluate different routes separately; the list does not imply simultaneous dosing.
Coal-Washing Water & Fine-Coal Dewatering: 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 coal-slurry particle size, solids content, return-water analysis, thickening equipment and filter presses. This helps organize selection around settling, dewatering and return-water requirements and narrow the product and specification range.
Then confirm assessment limits
Use representative mineral slurry and return water to compare settling, filter-press performance and scaling risk against equipment and reuse conditions.
Compare all treatment routesProduct roles, conditions and verification
Coal-Washing Water & Fine-Coal Dewatering: treatment objectives and product routes
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
Coal-Washing Water & Fine-Coal Dewatering: Ionic type & charge characteristics; Viscosity and test concentration/temperature; Residual monomer & test report; Dissolution conditions; Trial evaluation criteria; Consider coal-slurry particle size, solids content, return-water analysis, thickening equipment and filter presses.
Polyacrylamide Emulsion
Coal-Washing Water & Fine-Coal Dewatering: Ionic type; Active polymer; Emulsion system; Preparation conditions; Residual monomer; Consider coal-slurry particle size, solids content, return-water analysis, thickening equipment and filter presses.
Polyamine Coagulant
Coal-Washing Water & Fine-Coal Dewatering: Composition; Active content & method; Viscosity test conditions; pH; Application trials; Consider coal-slurry particle size, solids content, return-water analysis, thickening equipment and filter presses.
Poly(diallyldimethylammonium Chloride)
Coal-Washing Water & Fine-Coal Dewatering: Nominal concentration & test basis; Viscosity & test conditions; Residual monomer; pH; End-use documents; Consider coal-slurry particle size, solids content, return-water analysis, thickening equipment and filter presses.
Polyaluminium Chloride
Coal-Washing Water & Fine-Coal Dewatering: Al₂O₃ content; Basicity; Insoluble matter; pH test conditions; Impurity limits for the intended use; Consider coal-slurry particle size, solids content, return-water analysis, thickening equipment and filter presses.
Polyferric Sulfate
Coal-Washing Water & Fine-Coal Dewatering: Total iron; Basicity; Insoluble matter; Form; Trial conditions; Consider coal-slurry particle size, solids content, return-water analysis, thickening equipment and filter presses.
Compare results using representative water samples or site data, retaining the test methods and operating conditions.
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
Coal-Washing Water & Fine-Coal Dewatering: Al₂O₃ content; Basicity; Insoluble matter; pH test conditions; Impurity limits for the intended use; Consider coal-slurry particle size, solids content, return-water analysis, thickening equipment and filter presses.
Coal-Washing Water & Fine-Coal Dewatering: Effective iron content; Free acid; Impurities; Form & trial results; Consider coal-slurry particle size, solids content, return-water analysis, thickening equipment and filter presses.
Ferric Sulfate
Coal-Washing Water & Fine-Coal Dewatering: Iron content; Free acid; Insoluble matter; Impurity requirements for the intended use; Consider coal-slurry particle size, solids content, return-water analysis, thickening equipment and filter presses.
Polyferric Sulfate
Coal-Washing Water & Fine-Coal Dewatering: Total iron; Basicity; Insoluble matter; Form; Trial conditions; Consider coal-slurry particle size, solids content, return-water analysis, thickening equipment and filter presses.
Polyamine Coagulant
Coal-Washing Water & Fine-Coal Dewatering: Composition; Active content & method; Viscosity test conditions; pH; Application trials; Consider coal-slurry particle size, solids content, return-water analysis, thickening equipment and filter presses.
Poly(diallyldimethylammonium Chloride)
Coal-Washing Water & Fine-Coal Dewatering: Nominal concentration & test basis; Viscosity & test conditions; Residual monomer; pH; End-use documents; Consider coal-slurry particle size, solids content, return-water analysis, thickening equipment and filter presses.
Polyacrylamide
Coal-Washing Water & Fine-Coal Dewatering: Ionic type & charge characteristics; Viscosity and test concentration/temperature; Residual monomer & test report; Dissolution conditions; Trial evaluation criteria; Consider coal-slurry particle size, solids content, return-water analysis, thickening equipment and filter presses.
Polyacrylamide Emulsion
Coal-Washing Water & Fine-Coal Dewatering: Ionic type; Active polymer; Emulsion system; Preparation conditions; Residual monomer; Consider coal-slurry particle size, solids content, return-water analysis, thickening equipment and filter presses.
Aluminium Chlorohydrate
Coal-Washing Water & Fine-Coal Dewatering: Al₂O₃ basis; Basicity; Impurities; Specific end use; Consider coal-slurry particle size, solids content, return-water analysis, thickening equipment and filter presses.
Sodium Aluminate
Coal-Washing Water & Fine-Coal Dewatering: Active components; Alkalinity; Form; Process compatibility; Consider coal-slurry particle size, solids content, return-water analysis, thickening equipment and filter presses.
Ferrous Chloride
Coal-Washing Water & Fine-Coal Dewatering: Ferrous iron content; Free acid; Impurities; Downstream solid–liquid separation; Consider coal-slurry particle size, solids content, return-water analysis, thickening equipment and filter presses.
Biobased Flocculant
Coal-Washing Water & Fine-Coal Dewatering: Raw material & composition; Suitable pH; Degradability data; Residual impurities; Trial performance; Consider coal-slurry particle size, solids content, return-water analysis, thickening equipment and filter presses.
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.
Use representative mineral slurry and return water to compare settling, filter-press performance and scaling risk against equipment and reuse conditions.
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
Coal-Washing Water & Fine-Coal Dewatering: Ionic type & charge characteristics; Viscosity and test concentration/temperature; Residual monomer & test report; Dissolution conditions; Trial evaluation criteria; Consider coal-slurry particle size, solids content, return-water analysis, thickening equipment and filter presses.
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
Coal-Washing Water & Fine-Coal Dewatering: Al₂O₃ content; Basicity; Insoluble matter; pH test conditions; Impurity limits for the intended use; Consider coal-slurry particle size, solids content, return-water analysis, thickening equipment and filter presses.
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
Coal-Washing Water & Fine-Coal Dewatering: Total iron; Basicity; Insoluble matter; Form; Trial conditions; Consider coal-slurry particle size, solids content, return-water analysis, thickening equipment and filter presses.
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.
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
Coal-Washing Water & Fine-Coal Dewatering: Effective iron content; Free acid; Impurities; Form & trial results; Consider coal-slurry particle size, solids content, return-water analysis, thickening equipment and filter presses.
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
Coal-Washing Water & Fine-Coal Dewatering: Iron content; Free acid; Insoluble matter; Impurity requirements for the intended use; Consider coal-slurry particle size, solids content, return-water analysis, thickening equipment and filter presses.
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
Coal-Washing Water & Fine-Coal Dewatering: Al₂O₃ basis; Basicity; Impurities; Specific end use; Consider coal-slurry particle size, solids content, return-water analysis, thickening equipment and filter presses.
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
Coal-Washing Water & Fine-Coal Dewatering: Active components; Alkalinity; Form; Process compatibility; Consider coal-slurry particle size, solids content, return-water analysis, thickening equipment and filter presses.
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
Coal-Washing Water & Fine-Coal Dewatering: Ferrous iron content; Free acid; Impurities; Downstream solid–liquid separation; Consider coal-slurry particle size, solids content, return-water analysis, thickening equipment and filter presses.
Industry references describe general uses. Product specifications, certifications and application results require the corresponding supplier documentation.
PURCHASING QUESTIONS
More questions, answered.
How should I select water-treatment products for Coal-Washing Water & Fine-Coal Dewatering?
Coal-slurry particles, water chemistry and return-water circulation conditions affect flocculation and dewatering.
What information helps select products for this application?
Share coal-slurry particle size, solids content, return-water analysis, thickening equipment and filter presses. This helps organize selection around settling, dewatering and return-water requirements and narrow the product and specification range.
How are the suitable product and grade confirmed?
Use representative mineral slurry and return water to compare settling, filter-press performance and scaling risk against equipment and reuse conditions. No universal dose or treatment result is implied. Product options may serve primary, supporting, conditional or alternative roles.
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