Chemical Industry and Engineering Progree

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Analysis of the removal characteristics of organic pollutants in landfill leachate using GC-MS technique

YE Xiuya,ZHOU Shaoqi,ZHENG Ke   

  1. College of Environmental Science and Engineering,South China University of Technology,Guangzhou 510006,Guangdong,China
  • Online:2011-06-05 Published:2011-06-05

运用GC-MS技术分析垃圾渗滤液有机污染物的去除特性

叶秀雅,周少奇,郑 可   

  1. 华南理工大学环境科学与工程学院,广东 广州 510006

Abstract:

The characteristics of removal of typical organic pollutants by the biological-chemical combined treatment systemincluding sequence batch reactorSBR),coagulationFenton and biological aerated filterBAFprocesseswere investigated by using GC-MS technique. Seventy kinds of organic pollutants were detected and discovered in landfill leachate. As a resultthe total removal efficiency of all organic pollutants was 99% by the combined processand 57 kinds of organic pollutants were completely removed10 kinds of organic pollutants were removed by more than 90% while the removal efficiencies of others reached over 50%. MoreoverSBR could degrade low molecular weight fractions significantlysuch as aromatic hydrocarbons and esters. and Fenton process could degrade the high molecualr weight fractions preferentially.

摘要:

采用GC-MS技术分析生物-物化组合工艺[SBR+混凝+Fenton +曝气生物滤池(BAF]处理垃圾渗滤液中各处理单元对有机污染物的去除特性。结果表明,垃圾渗滤液原水中检测出70种有机污染物。组合工艺对有机污染物的总去除率达到99%,其中57种有机物被完全去除,10种有机物去除率可达90%以上,3种有机物去除率达50%以上。另外,SBR基本去除芳香烃类、酯类等小分子量的有机物,而Fenton对大分子量的有机物去除效果较好。

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