Hi Justin, Eventhough many ...

Published September 2, 2018 19:12 by rajasegar radhakrishnan, Tata Consulting Engineers Limited - Assistant General Manager (Environmental Engineering)

Hi Justin,

Eventhough many technologies and chemicals are available, Chlorine in the form of liquid or gas is most commonly used for disinfecting drinking water. However trihalomethane which is carcinogenic is produced as byproduct of chlorine.

Alternate is co2 gas or UV rays.