城市固体废弃物(MSW)在填埋处理时，甲烷菌将使废弃物中的有机物质发生厌氧分解，从而会有甲烷排放到大气中。
The organic material will be anaerobic decomposed by methane bacteria when municipal solid waste (MSW) is processing in landfills, thus methane will be emitted to the atmosphere.
全封闭卫生填埋是目前流行的城市固体废弃物最终处置方法之一。
As one of the most popular ways for the disposal of municipal solid wastes, the fully-containing sanitary landfill meets with many problems and difficulties in its practical application.
对城市固体废弃物的处理，无论是采用焚烧法、堆肥法、卫生填埋法，还是土地填埋法，都会或多或少地对周边的生态环境造成负面影响。
Disposing of municipal solid waste will have negative effect on neighboring environment, no matter adopting ways of burning, composting, hygienic land-fill or land land-fill.
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