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Biogeochemistry Process of Landfill Leachate Pollutants in Environment

DONG Jun1, ZHANG Jing2,ZHAO Yong-sheng1,ZHANG Wei-hong2,L Ai-min1, HAN Rong1, LIU Ying-ying1，LI Zhi-bin1   

  1. 1.College of Environment and Resources, Jilin University, Changchun 130026, China;2.Geological Environment Monitoring Station of Jilin Province,Changchun 130022,China
  • Received:2006-07-10 Revised:1900-01-01 Online:2007-05-26 Published:2007-05-26
  • Contact: DONG Jun

Abstract: A soil column was constructed to investigate transportation, transformation and the biogeochemistry process of the pollutants in the landfill leachate plume. Experimental results indicated that growth rate of microbes is high in the initial 28 days, and its average increase rate was 1.7×105 per day; TOC showed shuttle-shape migration in soil. Growth rate of microbes had great impacts on the TOC attenuation; NH+4N showed piston shape transportation in soil, and its attenuation had no obvious relation to microbes growth in short term. Migration rate of the TOC is higher than that of NH+4-N; migration rate of TOC and NH+4-N is about 3.0cm/d and 2.4 cm/d, respectively.

Key words: leachate contamination, biodegradation, attenuation process, pollution plume

CLC Number: 

  • X705
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