Abstract
In dealing with auto manufacturing wastewater, aerobic process was viewed as the follow-up treatment of anaerobic process. Studying on the system of aerobic contact oxidation, all kinds of factors (HRT, influent CODCr concentration, dissolved oxygen (DO), pH value, alkalinity) effect on removal efficiency of the anaerobic effluent CODCr, NH4+–N, NO3–N and turbidity. The results showed that: when the filtration rate is less than 0.0625ml•h-1, in the aerobic contact oxidation system ,the organic pollutant′s removal efficiency is very stable; in system, when dissolved oxygen concentration is greater than 10.00ml•h-1, its removal efficiency keep a higher level; aerobic process could remove 81% of COD of the influent，and the effluent COD could meet the qualityⅡ of Discharge standard of wastewater pollutants for industry(GB8978—1996) .
Published Version
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