7 min read · 2026-03-03
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.
Ferric chloride and PAC both coagulate — but they solve different problems. Ferric shines where phosphorus limits, colour from dyes, or sulfide odour drive your treatment design. PAC wins on broader pH tolerance and lower corrosivity in many municipal-style clarifiers. Here is how to pick for your ETP.
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Phosphorus and Colour: Ferric's Strength
Discharge norms for total phosphorus are tightening across industrial estates. Ferric salts precipitate phosphate effectively and are often the first choice when your consent letter specifies P limits. Textile and dye-house effluent with persistent colour also responds well to ferric dosing ahead of biological treatment or tertiary filtration.
Drashti supplies ferric chloride liquid and powder from Vadodara with COA, MSDS and bulk packaging for ETP tank farms. Share your inlet P and colour data for dose-range guidance.
Operations: Corrosion, pH and Storage
Ferric chloride is acidic and corrosive — storage tanks, dosing lines and PPE must match. PAC is generally easier on mild steel dosing equipment when properly specified. If your operators struggle with pH crash and equipment corrosion, a PAC program with periodic ferric boost for P spikes may be more maintainable.
We help plants map compatibility: PVC/HDPE storage, pump head materials, and neutralisation requirements after ferric dose.
Combined Programs
Many Gujarat ETPs run PAC daily and ferric chloride seasonally when colour load increases after festival production peaks. Others use ferric at the primary clarifier and PAC at tertiary polishing. The wrong approach is copying a neighbour's program without jar tests on your mixed effluent.
Drashti stocks PAC, ferric chloride, polyelectrolyte and pH correction chemicals — one supplier for the full coagulation chain. Bulk quote on request; no fixed online per-kg rates.
Boiler Water Chemicals Available from Drashti Chemicals
- Ferric Chloride — Phosphorus and colour removal
- PAC — Primary coagulation
Frequently Asked Questions
Can ferric chloride and PAC be used together?
Yes, in sequenced or blended programs designed around jar-test results. Do not mix without technical guidance — dose points and pH targets matter.
What packaging is available for ferric chloride?
Liquid in drums/IBC and powder in HDPE bags. MOQ and lead time depend on grade and quantity — request a quote.
Related Pages
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