This is proved by the fact that, regardless of OLR values in phases 1 to 4 (i.e., 0.4e2.6 kgCOD m3 d1), always the same value of residual COD was measured in treated effluent (190e235 mg l1, with an average value of 210 32 mg l1).
This is proved by the fact that, regardless of OLR values inphases 1 to 4 (i.e., 0.4e2.6 kgCOD m3 d1), always the same value ofresidual COD was measured in treated effluent (190e235 mg l1,with an average value of 210 32 mg l1).