Treatment of Domestic Sewage by Two-Stage-Bio-Contact Oxidation Process

被引：0
|
作者：
LI Xiang-dong
机构：
来源：
International Journal of Mining Science and Technology | 2005年 / 01期
关键词：
two-stage-bio-contact oxidation process; domestic swage; hydraulic retention time (HRT); air/water ratio;
D O I：
暂无
中图分类号：
X703 [废水的处理与利用];
学科分类号：
083002 ;
摘要：
Effects of hydraulic retention time (HRT ) and gas volume on efficiency of wastewater treatment are dis- cussed based on a simulation experiment in which the domestic swage was treated by the two-stage-bio-contact oxida- tion process. The result shows that the average CODCr, BOD5 , suspended solid (SS), and ammonia-nitrogen removal rate are 94.5 %, 93.2 %, 91.7 % and 46.9 %, respectively, under the conditions of a total air/water ratio of 5∶1 , an air/water ratio of 3:1 for oxidation tank 1 and 2:1for oxidation tank 2and a hydraulic retention time of 1 h for each stage. This method is suitable for domestic sewage treatment of residential community and small towns as well.
引用
收藏
页码：62 / 65
页数：4
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