Polyaluminium Chloride (PAC)
Coagulant for drinking water and wastewater treatment
CAS number
1327-41-9
Industry
Water Treatment
Typical form
Powder or liquid
Also known as: PAC, polyaluminum chloride.
Typical grades: 28–32% Al2O3 liquid and powder; drinking-water and industrial grades.
Note: Aluminium chlorohydrate and polyaluminium chloride are closely related basic aluminium chlorides and are often listed under the same CAS number. Basicity and Al2O3 content differ by product.
About Polyaluminium Chloride (PAC)
Polyaluminium Chloride (PAC) is an inorganic polymer coagulant. It works over a wide pH range, at lower dosages than alum, and produces less sludge.
Uses and applications
Drinking water
Removes turbidity, colour and organic matter in potable water treatment.
Wastewater
Used for municipal and industrial effluent clarification and phosphate removal.
Paper
Used as a sizing and retention aid in papermaking.
Regulatory note and documentation
Regulatory status, permitted use levels and registration requirements vary by country and application. Please confirm requirements for your own product and market before use.
COA, TDS and SDS are available on request. Contact our team for pricing, minimum order quantities and delivery to your location.
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