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2种典型餐厨垃圾资源化处理工艺的环境影响分析

Keywords: 餐厨垃圾,好氧堆肥,湿热处理,生命周期评价

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Abstract:

为了评估餐厨垃圾资源化处理工艺对环境的影响,运用生命周期评价的方法,比较了2种典型的资源化处理工艺——好氧堆肥和湿热处理对环境的影响。结果表明,2种餐厨垃圾资源化处理工艺对全球变暖、生态毒性、酸化和富营养化的影响各有不同。其中,好氧堆肥对全球变暖的贡献较大,碳排放为337.7kgCO2eq./t。湿热处理为163.1kgCO2eq./t。在环境影响负荷方面,湿热处理工艺中的高能耗加重了毒性的影响。但由于其对环境的酸化、富营养化的不利影响较小,湿热处理

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