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《CHINA WATER & WASTEWATER》 2000-04
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Fuzzy Control of SBR Process Using DO as Parameter

ZENG Wei, PENG Yong zhen, WANG Shu ying,GAO Jing feng, LI Tan wei (School of Munic. and Environ. Eng., Harbin Univ. of Civil Eng. and Architec., Harbin 150090, China)  
Petrochemical wastewater was treated by SBR process using DO as fuzzy control parameter in considering the relationship between the organic matter degradation and DO concentration. It was concluded by many experiments that DO concentration during the initial reaction stage (8~10 min) not only was related to influent COD, but also affected the whole reaction process significantly. The influent COD could be predicted by the concentration and the ranging of DO in initial stage and the fuzzy control of aeration was realized since DO was mainly controlled by aeration volume. The fuzzy control of reaction time could also be realized based on the fact that DO went up quickly when the degradation of organic matter stopped.
【Fund】: 国家自然科学基金资助项目!(59878016);; 黑龙江省自然科学基金资助项目
【CateGory Index】: X703
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