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焦化废水处理厂活性污泥对硫氰化物的降解机制
张玉秀; 尹莉; 李海波; 蒙小俊; 盛宇星; 曹宏斌
2016
Source Publication环境化学
Issue1Pages:"118-124"
Abstract

用分光光度法和离子色谱法,研究了A/A/O工艺焦化废水处理厂的进出水质和活性污泥对硫氰化物(SCN-)的降解机制.研究结果表明,SCN-主要在A/A/O工艺的好氧单元中降解去除;在常温(25℃)下活性污泥对SCN-降解的动力学过程符合米氏方程,Vmax为11.15 mg SCN-·(g-1MLSS)·h-1,Km为44.96 mg·L-1;15℃低温显著降低SCN-的降解速率;在15℃下,92.62 mg·L-1SCN-能在24 h内完全降解,其中的N和S元素相应地生成了NH3、NO-2和S2-等中间代谢产物,并最终转化为产物NO-3和SO2-4;N和S元素的转化率分别为94.32%和99.0...

Keyword硫氰化物 活性污泥 生物降解 焦化废水.
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/22314
Collection研究所(批量导入)
Recommended Citation
GB/T 7714
张玉秀,尹莉,李海波,等. 焦化废水处理厂活性污泥对硫氰化物的降解机制[J]. 环境化学,2016(1):"118-124".
APA 张玉秀,尹莉,李海波,蒙小俊,盛宇星,&曹宏斌.(2016).焦化废水处理厂活性污泥对硫氰化物的降解机制.环境化学(1),"118-124".
MLA 张玉秀,et al."焦化废水处理厂活性污泥对硫氰化物的降解机制".环境化学 .1(2016):"118-124".
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