Assuming I have data of BOD, COD and water discharge. How do I calculate the O2 requirement?
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you can actually calculate the theoretical oxygen requirement using the following formula: O2 req (kgO2/d) = [Q * (S0-S) / (BOD5/BODL)]/ 1000 Where: Q= flowrate m3/day S0= infulent BOD/COD concentration (mg/L) S= efulent BOD/COD concentration (mg/L)
FYI Successful decreasing of BOD and COD can be obtain by using high volume Oxygen Generator such as Submersible Aeration