Water Purification is a process of removing undesirable chemicals, bacteria, algae, viruses, fungi, minerals including toxic metals such as Lead, Copper etc., from contaminated water. The methods used include physical processes such as Filtration, Sedimentation, and Distillation; biological processes such as slow Sand filters or Biological active carbon; chemical processes such as Flocculation and Chlorination and the use of electromagnetic radiation such as Ultraviolet light. 

Related Definitions in the Project: The Plant and Process Unit