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Study on Influencing Factors of Sludge Ozonation
Author(s): ZHAO Yu-xin, YIN Jun, YU He-long, WANG Li-jun, WANG Jian-han
Pages: 523-
527,543
Year: 2010
Issue:
5
Journal: Journal of Jilin Agricultural University
Abstract: 为提高臭氧破解污泥的效率,降低剩余污泥原位减量成本,采用自制的污泥臭氧氧化反应装置,重点研究了臭氧投量、pH值和初始污泥浓度对污泥破解效能的影响.结果表明:40 mg/g是破解污泥的临界臭氧投量,高于此值,污泥固体颗粒开始溶解,并随着臭氧投量的增加而增加;中性、偏酸性环境和较高的污泥初始浓度有利于污泥的臭氧氧化破解.综合考虑污泥破解后胞内物质释放情况,确定最佳操作条件:臭氧投量为208 mg/g,...
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