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2006•Journal of Xi'an University of Arts and ScienceRequires access

Study on the Pretreatment of Dyeing Wastewater by Fe-C Internal Electrolysis

WU Xiao-ning, Yao Bing-hua

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Abstract

Fe-C internal electrolysis was used for the pretreatment of dyeing wastewater.The effect of the diameter of iron powder,pH value of wastewater and retention time on the pretreatment results was studied.The results showed that if the size of iron powder was 18,pH value was 6 and retention time was 60～90 minutes,the BOD/COD of dyeing wastewater could be increased from 0.23 to 0.59,providing favorable condition for the subsequent biochemical treatment.

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What this paper is about

Fe-C internal electrolysis was used for the pretreatment of dyeing wastewater.The effect of the diameter of iron powder,pH value of wastewater and retention time on the pretreatment results was studied.The results showed that if the size of iron powder was 18,pH value was 6 and retention time was 60～90 minutes,the BOD/COD of dyeing wastewater could be increased from 0.23 to 0.59,providing favorable condition for the subsequent biochemical treatment.

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Available abstract

Fe-C internal electrolysis was used for the pretreatment of dyeing wastewater.The effect of the diameter of iron powder,pH value of wastewater and retention time on the pretreatment results was studied.The results showed that if the size of iron powder was 18,pH value was 6 and retention time was 60～90 minutes,the BOD/COD of dyeing wastewater could be increased from 0.23 to 0.59,providing favorable condition for the subsequent biochemical treatment.

Key concepts: Electrolysis, Wastewater, Dyeing, Retention time, Chemistry, Pulp and paper industry, Iron powder, Nuclear chemistry

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