Coagulants and Flocculants — Product Range

TL;DR PAC, PFS, PolyDADMAC and PAM coagulant-flocculant supplier for wastewater, mining and sludge treatment.

Coagulants and Flocculants are chemicals that destabilize and aggregate suspended solids so they settle or float out of water — the core of clarification and sludge dewatering.

In this category: This category covers inorganic coagulants (poly aluminium chloride PAC, aluminium chlorohydrate ACH, aluminium sulphate, poly ferric sulphate PFS), organic coagulants (PolyDADMAC, polyamine) and flocculants (anionic/cationic/nonionic polyacrylamide, PAM). A coagulant neutralizes particle charge; a flocculant then bridges the micro-flocs into large, fast-settling flocs.

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Coagulants and flocculants are chemicals used in water treatment to help remove suspended solids and dissolved organic matter from water. Coagulants work by destabilizing the charges on particles, allowing them to form clusters or flocs that can be removed from the water. Flocculants are added to enhance the formation of flocs further and make them easier to remove. This process helps improve water quality by reducing turbidity, color, odor, and other contaminants.

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Choose a coagulation route from the water matrix and separator

A product family is only a starting point. For high-salinity industrial wastewater, preserve the actual salt and contaminant matrix, then compare pH, coagulant, polymer, mixing and the plant's separator as separate variables. For residual color after biological treatment, first check whether filtration changes the color before choosing a dissolved-color or solids-capture route.

Two current wastewater decisions
Buyer decisionUse this guideCommercial next step
Representative high-salinity testDesign the matrix and scale-up windowShare the water analysis, separator and endpoints.
Post-biological residual colorSeparate dissolved color from fine solidsShare filtered/unfiltered evidence and sludge constraints.

Compare the relevant water-treatment application context, review a filmed PAC–PAM sequence only as matrix-specific evidence, and send a representative analysis for a candidate-grade discussion.

Screen coagulants and flocculants against the real separator

A clear jar is not a complete produced-water decision. Remove bulk free oil and coarse solids where the existing equipment can do so, then reproduce representative salinity, pH, temperature, mixing, shear, residence and the intended flotation, settling or filtration endpoint.

Evidence for a produced-water clarification inquiry
FeedEquipmentAcceptance
Source/time, oil state, TSS, turbidity, particle context, iron, pH, salinity and temperaturePrimary separator, mixing energy, residence, DAF/settler/filter and downstream shearWater, recovered oil, sludge/float, filter response and the actual downstream specification

Use the produced-water clarification guide and the Oilfield Water Treatment application. Review PAC and PAM as identity pages only, then request current grade documents and representative testing.

Explore the Water Treatment Chemicals Guide: product types, selection and dosage →

Coagulants and Flocculants — Frequently Asked Questions

What is the difference between a coagulant and a flocculant?

A coagulant (PAC, alum, PolyDADMAC) neutralizes the negative charge on suspended colloids so they can come together; a flocculant (polyacrylamide) then bridges the destabilized particles into large, dense flocs that settle or float quickly. They are usually used in sequence.

How do I choose a coagulant and flocculant?

Match the coagulant to the water (PAC for most drinking/wastewater, ACH for cold/low-alkalinity, PFS for colour/organics, organic coagulants to cut sludge) and the flocculant charge to the particles (anionic PAM for inorganic/mineral solids, cationic PAM for organic solids and sludge dewatering). Confirm the dose with a jar test.

Find the right product for your application

To narrow the available grades, share the industry, water or process conditions, treatment objective, current program, required quantity, packaging and destination. Representative sample results are helpful when performance depends on site water chemistry.

PAC and PAM supplier: turn a product search into a valid trial

Quick answer: PAC/PFS coagulants destabilize particles and PAM flocculants build settleable flocs; the best combination must be confirmed with representative water and a jar test.

Long-tail searches for a PAC supplier, PAM flocculant manufacturer or wastewater coagulant supplier usually mean a buyer needs a testable programme, not just a catalogue. Share water conditions and the target separation step so the requested sample, grade and documentation match the job.

Include these details for a faster quotation

  • Water source, pH, turbidity/colour and suspended-solids information
  • Clarification, dewatering, flotation or decolouring objective
  • Current product and dose range, if one is already in use
  • Preferred PAC/PFS grade or PAM ionic type, if known
  • Sample need, packaging, destination and required COA/SDS

Choose a coagulation or PAM path from evidence

A product-family page cannot determine a plant dose or grade from a wastewater label alone. First decide whether the buyer task is a post-upset failure investigation or a controlled polymer procurement. Preserve representative water/solids data, product documents, preparation and equipment boundaries, then define the trial and acceptance method.

To narrow the available grades, share the industry, water or process conditions, treatment objective, current program, required quantity, packaging and destination. Representative sample results are helpful when performance depends on site water chemistry.

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