Core Chinese Journal
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Source Journal for Chinese Scientific and Technical Papers
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Volume 33 Issue 2
Mar.  2015
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Wang Huitao Wu Yong Ke Bin Wu Weijie Cui Zhijun, . PRETREATMENT OF LANDFILL LEACHATES BY MICRO-ELECTROLYSIS INTEGRATED EQUIPMENT[J]. ENVIRONMENTAL ENGINEERING , 2015, 33(2): 16-20. doi: 10.13205/j.hjgc.201502004
Citation: Wang Huitao Wu Yong Ke Bin Wu Weijie Cui Zhijun, . PRETREATMENT OF LANDFILL LEACHATES BY MICRO-ELECTROLYSIS INTEGRATED EQUIPMENT[J]. ENVIRONMENTAL ENGINEERING , 2015, 33(2): 16-20. doi: 10.13205/j.hjgc.201502004

PRETREATMENT OF LANDFILL LEACHATES BY MICRO-ELECTROLYSIS INTEGRATED EQUIPMENT

doi: 10.13205/j.hjgc.201502004
  • Publish Date: 2015-02-22
  • A self-made micro-electrolysis integrated equipment was applied in the pretreatment of landfill leachates from Chengdu Chang' an Waste Site and processing efficiencies under different reaction conditions were investigated. The key conditions were dynamic single factors,such as packing material with iron-carbon volume ratio being 1∶ 1,hydraulic retention time,plate voltage,the positive and negative exchange cycle of electrodes,as well as aeration rate. With the initial pH of landfill leachates,the optimal reaction parameters obtained were retention time of 120 min,plate voltage of 25 V,the positive and negative exchange cycle of electrodes of 30 s and aeration rate of 2 000 L/h,under which the removal rate of COD, NH3-N and chroma were 41. 38%,24. 52% and 60. 00%,respectively. Several repeated tests indicated that the microelectrolysis integrated device had a more stable capability in handling landfill leachates,and provides a selective reference for the pretreatment engineering design of landfill leachates.
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      沈阳化工大学材料科学与工程学院 沈阳 110142

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