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(Solved): The chlorine demand curve on the graph was obtained for a drinking water for a 1.5 hour contact time ...



The chlorine demand curve on the graph was obtained for a drinking water for a 1.5 hour contact time (total residual chlorine and chlorine dose are expressed in mg/L as Cl2). The hypochlorite solution contains 12% by weight solution of NaOCl (? = 1160kg/m3, MW (NaOCl) = 74.5g/mol, MW (Cl2)=71g/mol).

1. Determine the dose of chlorine required to obtain a free residual of 0.6 mg/L (5 points)

2. Calculate the daily mass of NaOCl that must be added each day (10 points)

3. Determine the daily volume of NaOCl to be applied to this water to produce a free residual of 0.6 mg/L after a travel time of 1.5 hour in a flow of 320m3/d. (15 points)

Q4) Chlorination
The chlorine demand curve on the graph was obtained for a drinking water for a 1.5 hour contact time (total
Q4) Chlorination The chlorine demand curve on the graph was obtained for a drinking water for a 1.5 hour contact time (total residual chlorine and chlorine dose are expressed in as ). The hypochlorite solution contains by weight solution of 1. Determine the dose of chlorine required to obtain a free residual of (5 points) 2. Calculate the daily mass of that must be added each day (10 points) 3. Determine the daily volume of to be applied to this water to produce a free residual of 0.6 after a travel time of 1.5 hour in a flow of . (15 points)|


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