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Position: Home > Articles > Study of Domestic Wastewater Treatment Using A/O Process as Pretreatment Journal of Anhui Agricultural Sciences 2011,39 (13) 464-465+479

A/O作为前处理工艺处理生活污水研究

作  者:
李晓东;张巍;晁雷;代秀兰;郎咸明
单  位:
辽宁省计划生育研究院辽宁中医药大学基础医学院;辽宁省环境科学研究院
关键词:
A/O工艺;水力停留时间;混合液回流
摘  要:
[目的]研究A/O工艺对污染物的净化效果。[方法]以A/O作为人工湿地处理的前处理工艺,研究了水力停留时间、混合液回流比对A/O去污效果的影响。[结果]在温度15℃左右、A/O工艺水力停留时间3.4 h、混合液回流比1.0时,COD去除率达60%。[结论]出水浓度满足城镇污水处理厂污染物排放二级标准(GB18918-2002)和人工湿地后续处理要求。
译  名:
Study of Domestic Wastewater Treatment Using A/O Process as Pretreatment
作  者:
LI Xiao-dong et al(Liaoning Academy of Environmental Sciences,Shenyang,Liaoning 110031)
关键词:
A/O process;Hydraulic retention time;Internal return
摘  要:
[Objective] The aim was to study the purification effect of A/O process on pollutants.[Method] Using A/O process as pretreatment of constructed wetland,the influence of the hydraulic retention time(HRT) and internal return rate on contamination removal effects were studied.[Result] The results showed that the COD removal efficiency at 15 ℃ could reach 60% when the HRT and internal return rate were 3.4 h and 1.0.[Conclusion] The effluent concentration of COD met the second standard of wastewater treatment plant effluence(GB18918-2002),so it reached the demand of post treatment using constructed wetland.

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