文献类型： 外文期刊

第一作者： Wei, X. M.

作者： Wei, X. M.;Lin, C.;Duan, N.;Peng, Y. X.;Wei, X. M.;Lin, C.;Peng, Y. X.;Ye, Z. Y.

作者机构：

关键词： Swine farms wastewater;Aerobic biological filter;Start-up;Operation parameters

期刊名称：INTERNATIONAL CONFERENCE ON ECOLOGICAL INFORMATICS AND ECOSYSTEM CONSERVATION (ISEIS 2010)

ISSN： 1878-0296

年卷期： 2010 年 2 卷

页码：

收录情况： SCI

摘要： In this paper, aerobic biological filter is applied to treat swine farms wastewater. Laboratory experiments are conducted to confirm the optimum parameters for start-up and operation of filter by investigating the effect of temperature on the start-up of the filter and the influence of temperature, pH value and recirculation rate on the treatment effect of the filter. The results show temperature increasing is benefit for accelerating start-up of filter in the range of 17.0-33.0 degrees. COD removal of the filter enhances slightly by temperature rising during normal operation. High NH3-N reduction (above 84.0%) is obtained in range of 25.0-30.0 degrees C. pH in range of 7.1-8.0 is recommended for operation treatment, in which pollutants reduction for COD and NH3-N is 85.7%-86.9 and 86.8%-89.5%, respectively. COD and NH3-N reduction enhances with recirculation rate increasing. When the recirculation rate is above 4, the increasing of COD and NH3-N reduction is slight. Swine wastewater treatment project utilizing aerobic biological filter as a key element is established in a swine breeding farm of Daxing district, Beijing. The whole project runs well by start-up and operation of filter. COD reduction of wastewater in aerobic biological filter is 63.0-89.3%. And the COD concentration of effluent in filter is below 150mg/L, which achieves the national requirement of pollutants output standard of livestock and poultry breeding industry and water quality standard of farmland irrigation. The aerobic biological filter is worth to be generalized for treating swine wastewater in China. (C) 2010 Published by Elsevier Ltd.

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