Coagulants
In water treatment, coagulation flocculation involves the addition of compounds that promote the clumping of fines into larger floc so that they can be more easily separated from the water. Coagulation is a chemical process that involves neutralization of charge whereas flocculation is a physical process and does not involve neutralization of charge. The coagulation-flocculation process can be used as a preliminary or intermediary step between other water or wastewater treatment processes like filtration and sedimentation. Iron and aluminium salts are the most widely used coagulants but salts of other metals such as titanium and zirconium have been found to be highly effective as well
Hydrated Lime
Hydrated lime (calcium hydroxide) is a dry, colorless crystalline powder manufactured by treating calcium oxide (quicklime) with water, in a process called “slaking.” Also known as slack lime, builders lime or pickling lime, hydrated lime is used in the production of mortars, plasters, cements, paints
Chloride of lime
The definition of chloride of lime is a white powder used for disinfecting which is made by treating slaked lime with chlorine. An example of a chloride of lime is a substance used for commercial bleach and in laundering as a disinfectant.