Landfill Gas Efficient Collection Method for Landfills with High Kitchen Waste in China
In view of the characteristics of high kitchen waste degradation and fast landfill gas generation in China,an efficient landfill gas collection method was proposed,including six technical measures,such as source containment,gas collection facilities,gas collection pipe network,air extraction facilities,pretreatment facilities and utilization facilities,and the processing capacity of each technical measure should match the theoretical gas production.The application was carried out in Xiaping landfill in Shenzhen,and it showed that the landfill gas collection volume increased from 6 413 m3/h in 2014 to 45 500 m3/h in 2019,and the landfill gas collection rate increased from 23%to 94%,which realized the efficient collection of landfill gas and reduced the environmental problems caused by disorderly escape.
municipal solid waste landfillhigh kitchen wastelandfill gasefficient collection technology
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