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This study investigated the treatment performance of three types of modified activated sludge processes, i.e., anoxic/oxic (A/O), anaerobic/anoxic/oxic (A2/O) and oxidation ditch process, in treating municipal wastewater by measuring physicochemical and spectroscopic parameters, and the toxicity of the influents and effluents collected from 8 full-scale municipal wastewater treatment plants (MWTPs)...
In accordance with emission characteristics and treatment situation of rural domestic sewage, this experiment studied the effect of domestic sewage treatment in rural areas through the design of a stabilization pond miniature-testing device. In the stable test operation phase, the average removal rates of COD, TP, and NH3-N were respectively 92.53%, 97.57%, and 95.10% in an aerobic pond reactor. The...
The CASS technique was adopted for researching on the treatment of Domestic Sewage. The results showed that, in the stable operation phase of the test and under the conditions of setting operation parameters, the average removal rates of CODcr, BOD5, NH4-N, and TP were respectively 91.7%, 92.2%, 89.5% and 91.09%. The sludge remains highly active, and it had stable bio-facies. Effluent quality met...
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