AWWA DSS58707

This slide presentation discusses chlorination/dechlorination procedures using Venturi/Orifice Designs. Topics covered include: operation of an Orifice design; pros and cons of Venturi and Orifice designs; Lateral By-pass Venturi design with mainline Orifice; modified continuous-feed method; determining the required amount of chlorine; cooking the line; alternate procedures; required equipment; chlorinating set-up; set-up discharge area; procedure for chlorinating the system; chlorination/dechlorination with Lateral By-pass Venturi; dechlorination chemicals; and, Ascorbic acid.