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Problem 1. The alkalinity in raw water entering a drinking water plant can decrease during sig-...

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Problem 1. The alkalinity in raw water entering a drinking water plant can decrease during sig- nificant rainfall events. Jar
Problem 1. The alkalinity in raw water entering a drinking water plant can decrease during sig- nificant rainfall events. Jar tests showed an optimal alum (MW 594) dosage of 35 mg/1. If the raw water contains an alkalinity concentration of 25 mg/1 as CaCOs and a pH of 7.5, does sufficient alkalinity exist to buffer a decrease in pH?

Answers

Data -kom the GPven quedKơn H, alum muau) dwa ge of šs mgli al tonity concen ha kn of s mgl ca co,3 and pH,-7y then we have2 呂Do Sau then 2 we have 0 Aitaht pren o the wak 69 m Henre

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