Treatment of Concentrated Liquid of Landfill Leachate by Coagulation and Micro-Electrolysis Strengthened by H2O2

Zheng Yang An; Xiao Jun Xu; Xiao Jun Xu

doi:10.4028/www.scientific.net/AMR.573-574.492

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 573-574Treatment of Concentrated Liquid of Landfill...

Treatment of Concentrated Liquid of Landfill Leachate by Coagulation and Micro-Electrolysis Strengthened by H₂O₂

Abstract:

According to water quality characteristics, coagulation and micro-electrolysis process was utilized to the treatment of concentrate liquid of membrane landfill leachate. Working parameters were optimized through single and orthogonal experiments. The experimental results showed that under the optimum conditions, remova1 rates of COD, TOC, UV254 and chromaticity reached 76.8 %, 79.6 %, 81.1 % and 70 %, respectively. The value of BOD5/COD increased from 0.03 to 0.31 and E2/E4 increased from 12.4 to 38.5. The biodegradability of wastewater was improved significantly, which was advantageous to the subsequent bio-treatment. It can be concluded that the process of coagulation and micro-electrolysis is an attractive alternative for the reuse and volume reduction of concentrated liquid of membrane landfill leachate.

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Periodical:

Advanced Materials Research (Volumes 573-574)

Pages:

492-496

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.573-574.492

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Online since:

October 2012

Authors:

Zheng Yang An, Xiao Jun Xu, Xiao Jun Xu

Keywords:

Coagulation, Landfill Leachate, Micro-Electrolysis (ME)

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