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2009•Journal of East China Jiaotong UniversityRequires access

Study on Treatment Process by Fe-C Micro-electrolysis and H_2O_2 Oxidation Process for Simulated Printing and Dyeing Wastewater

Fangfang Wang

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Abstract

The combined techniques of ferric-carbon micro-electrolysis and H_2O_2 Oxidation fortreating simulated printing and dyeing wastewater are studied.Results show that when the COD in influent is 40 mg·L~(-1) and the color ratio is 1 000,the reaction time for the micro-electrolysis is approximately 60 minutes,the iron to carbon ratio is 1.5:1,and pH is 2.0,COD reaches 734.4 mg·L~(-1),and the removal rate of color ratio is above 94.7%.Fe~(2+) to H_2O_2 ratio is 10:l,pH is 2.0 to 5.0,and the reaction time is 50 minutes,the removal rate of COD is 93.1%and the removal rate of color ratio is 62.5%.After the process of two steps,the color ratio is reduced to 3,and COD is reduced to 51.2 mg·L~(-1).Meanwhile,the article discusses the mechanism of this experimental.

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What this paper is about

The combined techniques of ferric-carbon micro-electrolysis and H_2O_2 Oxidation fortreating simulated printing and dyeing wastewater are studied.Results show that when the COD in influent is 40 mg·L~(-1) and the color ratio is 1 000,the reaction time for the micro-electrolysis is approximately 60 minutes,the iron to carbon ratio is 1.5:1,and pH is 2.0,COD reaches 734.4 mg·L~(-1),and the removal rate of color ratio is above 94.7%.Fe~(2+) to H_2O_2 ratio is 10:l,pH is 2.0 to 5.0,and the reaction time is 50 minutes,the removal rate of COD is 93.1%and the removal rate of color ratio is 62.5%.After the process of two steps,the color ratio is reduced to 3,and COD is reduced to 51.2 mg·L~(-1).Meanwhile,the article discusses the mechanism of this experimental.

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Available abstract

The combined techniques of ferric-carbon micro-electrolysis and H_2O_2 Oxidation fortreating simulated printing and dyeing wastewater are studied.Results show that when the COD in influent is 40 mg·L~(-1) and the color ratio is 1 000,the reaction time for the micro-electrolysis is approximately 60 minutes,the iron to carbon ratio is 1.5:1,and pH is 2.0,COD reaches 734.4 mg·L~(-1),and the removal rate of color ratio is above 94.7%.Fe~(2+) to H_2O_2 ratio is 10:l,pH is 2.0 to 5.0,and the reaction time is 50 minutes,the removal rate of COD is 93.1%and the removal rate of color ratio is 62.5%.After the process of two steps,the color ratio is reduced to 3,and COD is reduced to 51.2 mg·L~(-1).Meanwhile,the article discusses the mechanism of this experimental.

Key concepts: Electrolysis, Wastewater, Chemistry, Ferric, Dyeing, Nuclear chemistry, Oxidation process, Carbon fibers

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Study on Treatment Process by Fe-C Micro-electrolysis and H_2O_2 Oxidation Process for Simulated Printing and Dyeing Wastewater — Research Paper | ScholarLens