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一体化活性污泥法生物脱氮特性及机理研究

Investigation of characteristics and mechanism of biological removal of nitrogen with integrated activated sludge processing

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【Author】 SHI Ming-yan~1, LIU Tong-mian~2, WEN Ai-hua~3 (1. College of Civil Engineering, Guangzhou University, Guangzhou 510405, China; 2. Harbin Saur Water Supply Limited Company, Harbin 150080, China; 3. Dept. of Applied Chemistry, Harbin Institute of Technology, Harbin 150001, China)

【机构】广州大学土木工程学院；哈尔滨绍和供水有限公司；哈尔滨工业大学应用化学系广东广州510405；黑龙江哈尔滨150080；黑龙江哈尔滨150001；

【摘要】以城市污水为研究对象,研究了阶段运行历时、水力停留时间、溶解氧浓度及泥龄对一体化活性污泥法生物脱氮效果的影响,并对该工艺若干设计、运行的改良措施进行了讨论.试验结果表明,将系统控制在适宜的条件下,出水NH3—N可达到污水综合排放一级标准.更多还原

【Abstract】 Taking the urban wastewater as investigation objective,the influence of stepped operation time,hydraulic retention time （HRT）,density of dissolved oxygen（DO）,and sludge retention time （SRT） on the efficiency of biological nitrogen removal with integrated activated sludge processing was investigated and,then,several improving measures of the design and operation with this technique were discussed.Experimental result showed that,when the system is controlled to be in a suitable condition,the NH₃—N of output water could satisfy the standard of first-class for wastewater drainage.更多还原

【关键词】一体化活性污泥法；生物脱氮；阶段运行历时；水力停留时间；溶解氧浓度；泥龄；
【Key words】 integrated activated sludge processing； biological nitrogen removal； stepped operation time； hydraulic retention time； density of dissolved oxygen； sludge retention time；

【文献出处】兰州理工大学学报 , 编辑部邮箱 ,2005年01期

【分类号】X703
【被引频次】2
【下载频次】197

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