Glossary Terms

April 8, 2017

coagulation

The process in which very small, finely divided solid particles are clumped into larger particles caused by the use of chemicals.
April 8, 2017

coagulant aid

A material which is not a coagulant, but which improves the effectiveness of a coagulant – often by forming larger or heavier particles, speeding the reactions, […]
April 8, 2017

coagulant

A material, such as alum, which will form a gelatinous precipitate in water and cause the agglomeration (collection) of finely divided particles into larger particles which […]
April 8, 2017

clear water iron

See ferrous iron.
April 8, 2017

chlorine demand

A measure of the amount of chlorine which will be consumed by organic matter and other oxidizable substances in a water before a chlorine residual will […]
April 8, 2017

chlorine (Cl2)

A gas widely used in the disinfection of water and as an oxidizing agent for organic matter, manganese, iron, and hydrogen sulfide.
April 8, 2017

chlorination

The treatment process in which chlorine gas or a chlorine solution is added to water for disinfection and control of microorganisms. Chlorination is also used in […]
April 8, 2017

chlorinator

A device designed to feed chlorine gas, pellets, or solutions of such as hypochlorites, into a water supply in proportion to the flow of water.
April 8, 2017

chloramines

Chemical complexes formed from the reaction between ammonia and chlorine being used to disinfect many municipal water supplies. Unlike chlorine, chloramines do not combine with organics […]