改性凹凸棒石粘土处理生活污水试验

2010 International Conference on Challenges in Environmental Science and Computer Engineering Pub Date : 2010-03-06 DOI:10.1109/CESCE.2010.98

S. Qu, Peipei Zhang, Yinmi Wang

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引用次数: 0

摘要

介绍了凹凸棒土的组成结构、目前在生产生活中的应用及改性实验过程，并分别讨论了200目和400目物理改性凹凸棒土和化学改性凹凸棒土处理污水的不同效果。结果表明:天然凹凸棒石粘土经高温焙烧或酸改性后，对生活污水中COD的去除率和脱色率均有提高。总体而言，400目凹凸棒土处理效果优于200目，其中400目天然凹凸棒土经过200°煅烧处理效果最好，COD去除率达到84.54%。

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Experiment with Modified Attapulgite Clay on the Treatment of Domestic Sewage

The composition structure of attapulgite clay, the application in production and life at present and process of modification experiment are described in this paper, and the different effects of sewage treatment by 200 mesh and 400 mesh physical and chemical modified attapulgite clay are discussed respectively. The results showed that in domestic sewage COD removal efficiency and decolorization rate increased after a high temperature roasting or acid-modified of natural attapulgite clay. Overall, the treatment effect of 400 mesh attapulgite clay is better than 200 mesh, among which the best is 400 mesh natural attapulgite clay after 200 ¿ calcination, COD removal efficiency reached 84.54%.

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2010 International Conference on Challenges in Environmental Science and Computer Engineering

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