Several water treatment plants exist all over the world engaged in the business of purifying water from different sources by removing undesirable chemicals, biological contaminants, suspended solids and gases from contaminated water in order to produce water that is fit for a specific purpose. Such purposes include drinking, irrigation or to meet environmental requirements prior to dumping overboard offshore. The methods employed include physical processes such as filtration, sedimentation, and distillation; biological processes such as slow sand filters or biologically active carbon; chemical processes such as flocculation and chlorination and the use of electromagnetic radiation such as ultraviolet light.

Charin Energy supplies the variety of chemicals that are used for the treatment of water including:-
Chlorine, Polyamine, Ferric Sulphate, Aluminium Sulphate, Lime, Calcium Hypochlorite