| 膜生物反应器与传统活性污泥法污泥混合液过滤特性的比较 |
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| 引用本文： | 孙宝盛,张海丰,齐庚申.膜生物反应器与传统活性污泥法污泥混合液过滤特性的比较[J].环境科学,2006,27(2):315-318. |
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| 作者姓名： | 孙宝盛 张海丰 齐庚申 |
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| 作者单位： | 天津大学环境科学与工程学院,天津,300072 |
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| 基金项目： | 国家高技术研究发展计划(863)项目(2002AA601240) |
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| 摘 要： | 针对污泥混合液的过滤性能,在运行条件相同的情况下对膜生物反应器(MBR)与传统活性污泥法(CAS)进行比较.实验结果表明:MBR工艺污泥混合液的过滤阻力是CAS工艺过滤阻力的2～3倍;2种工艺悬浮液过滤阻力占总阻力的90%左右.过滤阻力分布实验表明,沉积层阻力占CAS工艺总阻力的87.30%,占MBR工艺总阻力的94.18%.
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| 关 键 词： | 膜生物反应器 传统活性污泥法 过滤阻力 沉积层阻力 |
| 文章编号： | 0250-3301（2006）02-0315-04 |
| 收稿时间： | 2004-12-01 |
| 修稿时间： | 2004-12-012005-01-13 |
Study on Treatment of Excess Sludge Under Alkaline Condition |
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| SUN Bao-sheng,ZHANG Hai-feng and QI Geng-shen.Study on Treatment of Excess Sludge Under Alkaline Condition[J].Chinese Journal of Environmental Science,2006,27(2):315-318. |
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| Authors: | SUN Bao-sheng ZHANG Hai-feng and QI Geng-shen |
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| Institution: | School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, China |
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| Abstract: | According to the filtration characteristics of sludge, a comparison between a membrane bioreactor (MBR) and a conventional activated sludge process(CAS) was carried out under similar conditions. Experiment results show that the filtration resistance in MBR was 2 to approximately 3 times of that in CAS. The contribution of supernatant resistance to filtration resistance was about 90% both in CAS and in MBR. The test on resistance distribution showed the cake resistance made up 87.30% and 94.18% of total resistance in CAS and MBR, respectively. |
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| Keywords: | membrane bioreactor(MBR) conventional activated sludge process(CAS) filtration resistance cake resistance |
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