Maximum volume of treated wastewater

Reference no: EM1383127

Incoming wastewater , with BOD5 equal to about 200mg/l is treated in well-run secondery treatment plant remove 90 percent of the BOD. you are to run five-day BOD test with a stander 300-ml bottle, using mixture of treated sewage and dilution water(no seed) assume the intial DOis 9.2mg/l

A) Roughly what is the maximum Volume of treated wastewater should you put in the bottle if you want to have at least 2.0mg/l of DO at the test (filling the rest of the bottle with the water.

b) If you make mixture half water and half treated wastewater, what DO would you expect after five days?

Reference no: EM1383127

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