Chlorine gas is injected into the input side of the Contact Chamber and caused to thoroughly mix with the effluent from the Clarifiers.

A minimum contact time of forty-five minutes is required to disinfect the pathogens completely.

Internal baffling insures thorough mixing.

The output of the Contact Chamber are:
1. Disinfected liquid flowing to the Filters.
2. Disinfected liquid flowing to the storage pond.