Interval 3 0104 kg m3

Only process 4 is located in interval 3. The water flow rate for this process is 10 m3 h-1 and the influent concentration is 0.4 kg m-3 (Table 13.3). We only get these conditions after mixing portions of the effluents from process 2 and process 3. For this purpose, we need two balances for water and for the impurity, as mentioned above:

Impurity:

where c2out = 0.1 kg m-3, c3 out = 0.8 kg m-3, c4,in = 0.4 kg m-3. Q2 follows to:

c2,out

c2,out c3,out

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