What is polyaluminium chloride (PAC)?

Polyaluminium Chloride (PAC) is a versatile chemical used extensively in water treatment and various industrial processes. Its growing importance across multiple sectors underscores its effectiveness in treating wastewater, purifying drinking water, and meeting the stringent environmental standards required today.

What is polyaluminium chloride used for?

Polyaluminium chloride (aluminium chlorohydrate) also simply called PAC, is used in deodorants and as a coagulant in water purification. This compound is preferred in some cases because of its high charge, which makes it more effective at destabilizing and removing suspended materials than other aluminium salts. CAS No.: 1327-41-9

Is polyaluminium chloride a safe coagulant?

Polyaluminium Chloride is a safer alternative to several other chemical coagulants. For instance, aluminium sulphate has been widely used as coagulant for many years. It removes contaminates and general turbidity from water during the water treatment process.

Why is polyaluminium chloride important during water treatment process?

Polyaluminium chloride has several features important during water treatment process, and the features are outlined in the following list:- PAC helps speeding up the process of flocs formation, and the settling of the flocs at the bottom. The process makes flocs that are formed easier to be filtered out.

Why is PAC used in water treatment?

PAC helps reduce the overall cost of water treatment by 15-30%. Compared to inorganic coagulants or flocculants, PAC is suited to broad water temperature including at low temperature. Water treated using PAC has fewer salts content and can be used for ion-exchange treatment. PAC contains lower corrosivity level and is easy to handle and operate.

Can PAC chemicals be used in environmental remediation?

Innovative uses of PAC chemicals in environmental remediation include treating runoff water and industrial effluents to prevent pollutants from reaching natural water bodies.