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Assessment on Stabilization of Open-dumping Landfill Gas -A Case Study of Salmi Landfill-

  • Journal of Environmental Impact Assessment
  • Abbr : J EIA
  • 2005, 14(6), pp.365-375
  • Publisher : Korean Society Of Environmental Impact Assessment
  • Research Area : Engineering > Environmental Engineering

KIM KWANG YUL 1 Hong Sangpyo 2

1충북대학교
2청주대학교

Accredited

ABSTRACT

For managing and utilizing a closed municipal solid waste landfill site in environmentallysecure conditions, it is necessary to verify the stabilization level of landfill gas(LFG) and waste.For assessing LFG and waste stabilization of an open-dumping municipal solid waste landfill(Salmi Landfill) which is located at the vicinity of Chungju Reservoir which flows into PaldangReservoir that has been used for Seoul Metropolitan water supplies, the history and thesurrounding characteristics of the landfill site were surveyed.In this study, waste and LFG samples obtained from landfill site were physically andchemically analyzed, and then the analysis results were evaluated on the basis of ‘The Criteria ofLandfill Waste Stabilization(CLWS)’ that were promulgated by Korean Ministry of Environment.Based on LFG composition of Salmi landfill, CH4 was as high as 68%. In CLWS regulation,the stabilization criteria of CH4 should be lower than 5%, and the criteria of C/N ratio shouldalso be lower than 1/10. The result showed that C/N ratio of landfilled waste ranged 17.4~24.7.From this results, it was concluded that the LFG and C/N ratio stabilization level of this landfillbased on the CLWS were still actively proceeding

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