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KMID : 0382420010270040093
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Korean Journal of Environmental Health Society
2001 Volume.27 No. 4 p.93 ~ p.98
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Effect of Coagulation, Ozone and UV Post-Process on COD and Color Removal of Textile Wastewater
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Park Young-Seek
Ahn Kab-Hwan
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Abstract
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Wastewaters produced in textile industrial processes contain dyes which are not easily amenable to biological treatment. The object of this study is to determine the post-treatment system of biological process for the textile wastewater by comparing three different types of chemical process, which were
1) post-treatment by ozone or UV, 2) post-treatment by coagulation,3) post-treatment by ozone or UV followed by coagulation. In an application ozone or UV as a post-treatment, color was generally decreased with time, however, SCOD removal effect was not that good. When coagulation was used as post-treatment process, the effluent quality was satisfying. Therefore, the application of coagulation process as a post-treatment of biological process would be more desirable than that as a ozone or UV.
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