What is a Inorganic flocculant?

A flocculant is a drug that binds fine suspended particles in water to form coarse particles (flock) or enlarges (coarse) the generated floc. Coagulants are classified into two types: inorganic coagulants and polymer coagulants. Inorganic flocculants are used to form flocs and are mainly divided into aluminum-based and iron-based, and well-known ones include polyaluminum chloride (PAC) and iron chloride. Polymer flocculants, unlike inorganic flocculants, are added to coarsen the formed flocs rather than to form them. Therefore, it is also called a coagulation aid. A typical example is hydrolyzed polyacrylamide.

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