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《Engineering Plastics Application》 2005-11
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PREPARATION AND APPLICATION OF HIGH FOAMING E/VAC SUSPENDED FILLER FOR SEWAGE DISPOSAL

Liu Yuhang~1, Lu Xiaozhong~2, Hu Xiang~1, Zhao Ming~2, Sun Xiaomin~2 (1.College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China; 2. Faculty of Materials and Chemical Engineering, Beijing Institute of Petrochemical Technology, Beijing 102617, China)  
A new kind of suspended filler which can provide carrier for microorganism to congregate and grow in sewage disposal is prepared from high foaming E/VAC filled with active carbon. The results show that the density reach 0.85 g/cm~3 and void ratio reach 60% when extrusion temperature is 185℃, mass percent of cross-linking agent DCP is 1% and foaming agent AC is 1.5%. The removal ratios of COD and NH~+_4-N are 90%~95% and above 75% respectively when high foaming E/VAC carriers are used to treat the simulative sanitary sewage in Hybrid Biologyical Reactor.
【CateGory Index】: TQ320.7
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