Polyamine Pretreatment Chemical for Paint and Coating Wastewater

Cleaning water from paint and coating production can contain pigments, binders, surfactants, fillers and solvent traces. These mixtures are difficult because stable dispersants are designed to prevent particles from coming together. Polyamine supplies positive charge to destabilize part of this dispersed load before clarification or DAF.

Suitable for water-based paint, coating and equipment-wash wastewater after segregation of concentrated product and free solvent. It is not a substitute for solvent recovery, hazardous-waste control or VOC management.

• Destabilizes negatively charged pigment and latex dispersions.
• Supports flotation or settling after PAM addition.
• Can be combined with PAC when broader coagulation is required.
• May reduce visual color and suspended-solids load to biological treatment.

Note: Values above describe the BLU AM product family. The final specification, viscosity, pH, shelf life and packaging must follow the selected grade's current TDS, SDS, COA and quotation.

Segregate high-strength dumps from routine wash water. Test pH adjustment, polyamine, PAC and PAM as separate variables. For DAF, assess floc buoyancy and bubble attachment rather than settling alone. Confirm that solvent content is compatible with the treatment system.

Evaluate clarified-water TSS, color, COD, sludge texture and DAF skimmability. Do not infer dissolved-COD removal from pigment removal; analyze both when discharge or biological loading matters.

Use corrosion-compatible metering equipment and prevent contamination between chemical tanks. If dilution is required, add product to clean water with moderate agitation and verify solution stability before continuous use. Keep containers sealed and follow the grade-specific SDS and TDS for personal protection, storage temperature and spill response.