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A New Process for Enhanced Primary Treatment of Municipal Wastewater——Activation Sludge Process

JIANG Zhan peng, YOU Zuo liang, SHI Shao qi et al . (Depart.of Environ.Sci.and Eng.,Qinghua Univ., Beijing 100084,China)  
Based on the theories of flocculation kinetic and biological adsorption,a new process for enhanced primary treatment of municipal wastewater,flocculation-adsorption-sedimentation-activation process named as“activcation sludge process”,was developed and reported in this paper.The enhancement action of the process for pollutant removal included flocculation,adsorption and biological metabolism.Among them,the first two were predominant.The results showed that the process could increase removal efficiencies of SS,COD,SCOD,BOD and other pollutants in wastewater obviously.
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