Chlorine Disinfection of Drinking Water. California Unified Program 8 th Annual Training Conference February 8, 2006 Presented by: Paul G. Beswick Metropolitan Water District of Southern California Environmental Support Services (213) 217-5533 [email protected]
COAGULATION / FLOCCULATION
Mixes chemicals with raw water containing fine particles that will not readily settle or filter out of the water.
Gathers together fine light particles to form larger particles (floc) to aid the sedimentation and filtration processes.
Settles out larger suspended particles.
Kills disease causing organisms and helps control taste-and-odor causing substances.
Kills disease causing organisms. Provides disinfectant residual for the distribution system.
Adjusts the pH of the treated water to inhibit corrosion of pipelines.
Filters out remaining suspended particles
TO DISTRIBUTION SYSTEM
Provides contact time for disinfection. Stores water for high demand.
90 Ton rail cars
17/19 Ton Trailers
25 ton stationary tank
1 ton cylinders
Chlorine Storage Bay
Two 3.5-Ton Chlorine Scrubbers