Upgrading of Textile Wastewater Treatment Plant by Operation Control and Fenton Process

CNU IR > Chna Nan Annual Bulletin > No.27 (2001) > Item 310902800/22058

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Title:	Upgrading of Textile Wastewater Treatment Plant by Operation Control and Fenton Process 以改變操作方式及加入芬頓程序提升染整廢水處理廠之功能
Authors:	Ming-Chun Lu Chih-Hsiang Liao Ying-Hsien Yang
Contributors:	環境工程衛生系
Keywords:	Textile wastewater ferrous ions Hydrogen Peroxide Advanced oxidation proocess. 染整廢水過氧化氫亞鐵離子高級氧化程序
Date:	2001
Issue Date:	2010-03-24 16:45:17 (UTC+8)
Abstract:	This paper presents an upgrading treatment of composite wastewater from a textile plant. The composite wastewater flow was around 4000 CMD and the wastewater characteristics showed an average COD of 817 mg/l. After biological and chemical treatment,the average COD's were reduced to around 187 mg/l and 101 mg/l,respectively. If compared to the new performance COD discharge standard of 100 mg/l here in Taiwan,the performance of this treatment system is obviously inadquate to comply with the above standard. In order to meet the regulatory requirement, the emphases of this study were placed on improving the performace of activated sludge as well as on the replacement of chemical coagulation unit by Fenton process. As aresult, by increasing biological nutrient does such as N,P,and Fe sources as well as by increasing food-to-microorganism ratio from 0.32 to 1.05 kg COD/kg MLSS‧Day, the effluent COD can further drop from 187 to 150 mg/l. It was found that the initial COD of 204 mg/l contained in the biological effluent can be reduced to around 50 mg/l after one hour reaction time under the conditions of 200 mg/l of H2O2,60 mg/l of Fe+2, and pH=3. In comparison. it appeared that the Fenton process performs better then the chemical coagulation.
Relation:	嘉南學報 27 : p.21-28
Appears in Collections:	[Chna Nan Annual Bulletin] No.27 (2001) [Dept. of Environmental Engineering and Science (including master's program)] Periodical Articles

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