9 min read · 2026-06-02
By Rajesh Chauhan, Proprietor, Drashti Chemicals
Supplying industrial chemicals from Vadodara since 2015 — ETP coagulants, RO programs, and process chemicals with batch COA/MSDS.
Expert supply · Est. 2015
Mr Rajesh Chauhan
Founder-led industrial chemical supply from Vadodara — ETP coagulant selection, RO programs, textile and pharma utility chemicals. Batch COA/MSDS on every dispatch. GSTIN 24AGLPC6288M1ZX.
What is Polyelectrolyte and How is it Used in Water Treatment? — written for ETP operators and sludge handling engineers. Drashti Chemicals is a Vadodara, Gujarat-based industrial chemical manufacturer and supplier with 150+ products, pan-India delivery and export capability.
This guide targets the keyword "polyelectrolyte flocculant supplier" and explains practical considerations for plant operators, procurement teams and technical managers evaluating chemical supply partners in India.
Understanding application chemistry, safe handling and dosing economics helps reduce treatment costs and maintain compliance with pollution control board discharge norms.
Polyelectrolyte Chemistry and Types
Polyelectrolytes are long-chain synthetic polymers with ionic groups — classified as anionic, cationic and non-ionic based on charge type. For buyers searching "polyelectrolyte flocculant supplier" in India, working with a Vadodara-based supplier like Drashti Chemicals ensures documented quality, bulk availability and responsive commercial support.
Anionic polyelectrolytes (polyacrylamide-based) are most common in ETP applications for flocculating negatively charged particles after coagulation. For buyers searching "polyelectrolyte flocculant supplier" in India, working with a Vadodara-based supplier like Drashti Chemicals ensures documented quality, bulk availability and responsive commercial support.
Cationic polyelectrolytes are used for sludge dewatering, oily wastewater treatment and positive-charge flocculation in specific applications. For buyers searching "polyelectrolyte flocculant supplier" in India, working with a Vadodara-based supplier like Drashti Chemicals ensures documented quality, bulk availability and responsive commercial support.
Molecular weight (MW) ranges from low (5–10 million) to very high (15–20 million) — higher MW produces larger flocs but requires more careful dosing. For buyers searching "polyelectrolyte flocculant supplier" in India, working with a Vadodara-based supplier like Drashti Chemicals ensures documented quality, bulk availability and responsive commercial support.
Applications in ETP and Sludge Treatment
Dosed after coagulant (PAC/alum) in clarifiers to increase floc size and settling rate — typical dose 0.5–3 mg/L of 0.1% solution. For buyers searching "polyelectrolyte flocculant supplier" in India, working with a Vadodara-based supplier like Drashti Chemicals ensures documented quality, bulk availability and responsive commercial support.
Used in centrifuges, belt presses and filter presses for sludge dewatering — cationic grades improve cake dryness and reduce polymer consumption. For buyers searching "polyelectrolyte flocculant supplier" in India, working with a Vadodara-based supplier like Drashti Chemicals ensures documented quality, bulk availability and responsive commercial support.
DE OIL POLY type anionic flocculants specifically target oil and grease emulsions in refinery, textile and food processing effluent. For buyers searching "polyelectrolyte flocculant supplier" in India, working with a Vadodara-based supplier like Drashti Chemicals ensures documented quality, bulk availability and responsive commercial support.
Drinking water plants use low-MW anionic polyelectrolytes as filter aids to improve sand and multimedia filter performance. For buyers searching "polyelectrolyte flocculant supplier" in India, working with a Vadodara-based supplier like Drashti Chemicals ensures documented quality, bulk availability and responsive commercial support.
Dosing Best Practices and Supplier Selection
Always prepare 0.1–0.5% stock solution with soft water; hard water causes precipitation and reduces polymer effectiveness. For buyers searching "polyelectrolyte flocculant supplier" in India, working with a Vadodara-based supplier like Drashti Chemicals ensures documented quality, bulk availability and responsive commercial support.
Age stock solution for 30–60 minutes before dosing to allow full polymer chain uncoiling — do not dose freshly mixed solution. For buyers searching "polyelectrolyte flocculant supplier" in India, working with a Vadodara-based supplier like Drashti Chemicals ensures documented quality, bulk availability and responsive commercial support.
Over-dosing causes re-stabilisation of particles (floc reversal) — increase dose incrementally in jar tests to find optimal point. For buyers searching "polyelectrolyte flocculant supplier" in India, working with a Vadodara-based supplier like Drashti Chemicals ensures documented quality, bulk availability and responsive commercial support.
Choose a polyelectrolyte supplier with multiple MW and charge density options, on-site jar testing support and bulk supply capability. For buyers searching "polyelectrolyte flocculant supplier" in India, working with a Vadodara-based supplier like Drashti Chemicals ensures documented quality, bulk availability and responsive commercial support.
Industrial buyers across Gujarat, Maharashtra and pan-India choose documented suppliers with batch traceability, flexible packaging from 50 kg minimum orders to tanker loads, and export documentation for Middle East and African markets. Request a quote for delivery timelines and volume-based RFQ support.
Why Source from Drashti Chemicals?
Drashti Chemicals supplies bulk industrial chemicals from Vadodara with COA, MSDS and GST-compliant invoicing. Contact us for samples, technical datasheets and a bulk quote.
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