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A/O脱氮工艺影响因素及其控制策略的研究
引用本文:彭永臻,王晓莲,王淑莹. A/O脱氮工艺影响因素及其控制策略的研究[J]. 哈尔滨工业大学学报, 2005, 37(8): 1053-1057
作者姓名:彭永臻  王晓莲  王淑莹
作者单位:哈尔滨工业大学,市政与环境工程学院,黑龙江,哈尔滨,150090;北京工业大学,水质科学与环境恢复重点实验室,北京,100022;北京工业大学,水质科学与环境恢复重点实验室,北京,100022
基金项目:国家高技术研究发展基金资助项目(2003AA601010);北京市教委重点资助项目(K7200310005003);北京市重点实验室开发基金资助项目.
摘    要:为有效提高A/O工艺脱氮效率,以淀粉废水为研究对象,系统考察了DO、硝化液回流量、污泥回流量、SRT、进水COD与TN质量质量浓度比和HRT等因素对脱氮效率的影响,并建立了相应的控制策略,如以出水氨氮质量浓度来控制好氧区DO值,以缺氧区硝酸氮质量浓度来控制内循环回流量,以进水COD与TN质量质量浓度比或出水总氮质量浓度来控制外碳源投量,最后根据上述分析建立了A/O工艺硝化与反硝化反应专家控制系统。

关 键 词:A/O脱氮工艺  淀粉废水  硝化反硝化
文章编号:0367-6234(2005)08-1053-05
收稿时间:2003-11-21
修稿时间:2003-11-21

Study on influence factors and control strategies of A/O nitrogen removal process
PENG Yong-zhen,WANG Xiao-Lian,WANG Shu-ying. Study on influence factors and control strategies of A/O nitrogen removal process[J]. Journal of Harbin Institute of Technology, 2005, 37(8): 1053-1057
Authors:PENG Yong-zhen  WANG Xiao-Lian  WANG Shu-ying
Abstract:How to effectively improve A/O process nitrogen removal efficiency is always a concerned problem. Nitrogen removal influence factors: DO, internal recirculaiton flow rate, sludge recycle flow rate, SRT, influent COD/TN and HRT, were clearly studied using starch wastewater, and corresponding control strategies were established, such as, using effluent ammonia concentration control DO; using nitrate concentration at the end of anoxic zone control internal recirculation flow rate; using influent COD/TN or effluent total nitrogen concentration control external carbon dose rate. Based on the above analysis, improving A/O nitrification and denitrification rate expert control system was established.
Keywords:A/O nitrogen removal process   starch wastewater   nitrification and denitrification
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