Abstract:To solve the problems of dead angle and low dissolved oxygen of current soil purification tank system, the combined soil purification tank system reactor was designed to treat domestic sewage by our research group. The results of 10 months indicated that the optimal hydraulic retention time (HRT) were 2.5d; the influent COD concentration fluctuating at 130~350mg/L; the optimal aeration opposition were in the front and the rear end with using the intermittent aeration mode; Under these conditions as above, the … Show more
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