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Study on Selection of Activated Sludge for Immobilized Technology with SRB Sludge
Author(s): 
Pages: 144-149
Year: Issue:  3
Journal: ENVIRONMENTAL SCIENCE AND MANAGEMENT

Keyword:  硫酸盐还原菌(SRB)污泥固定化技术污泥选择氧化沟污泥剩余污泥;
Abstract: 以某污水厂的氧化沟污泥和剩余污泥为培养对象,获得了SRB占优的厌氧污泥,分析了活性污泥厌氧驯化过程中微生物的分布规律,考察了不同种类SRB污泥固定化小球处理水中硫酸根、锌及镉的效果.结果表明:pH6.0~7.0,温度35℃,硫酸盐浓度4g/L,时间在24h时,剩余污泥固定化小球处理含Zn(II)400mg/L的废水,去除率达到100%,氧化沟污泥固定化小球Zn(II)的去除率为90%左右;对500mg/L含镉废水,剩余污泥固定化小球8h能去除水中95%Cd(II),氧化沟污泥固定化小球对Cd(II)的去除率为80%.硫酸盐还原菌污泥固定化技术中剩余污泥优于氧化沟污泥.
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