Question: 2 . 3 . A 1 2 m i n 3 m i n water treatment plant uses 9 . 5 k g ? day

2.3 .

12 m i \frac{n^{3}}{m} i n

water treatment plant uses

9.5 k \frac{g}{?}

day of chlorine for secondary disinfection. If the daily chlorine demand of the water after primary disinfection is

0.5 m \frac{g}{L},

what is the daily chlorine residual? Will maintaining that level of residual satisfy South Africa's regulatory requirements for water disinfection Use mass balance analysis to answer this question and draw a rough sketch or visualization of the problem

2 . 3 . A 1 2 m i n 3 m i n water treatment plant

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