Q » What is chlorine demand?

John

03 Nov, 2025

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A » Chlorine demand refers to the amount of chlorine required to fully react with all the substances in water, ensuring effective disinfection. This includes reactions with organic and inorganic materials, microorganisms, and other impurities. Understanding chlorine demand is essential in water treatment processes to determine the appropriate chlorine dosage needed to achieve desired levels of water purity and safety, without leaving excessive residual chlorine that could affect taste or pose health risks.

Michael

03 Nov, 2025

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A »Chlorine demand refers to the amount of chlorine consumed by organic matter, bacteria, and other substances in water during the disinfection process. It's the difference between the amount of chlorine added to water and the amount of free chlorine residual remaining after a specific contact time, typically measured in milligrams per liter (mg/L).

David

03 Nov, 2025

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