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文章摘要
污水处理厂温室气体排放核算与减排路径研究
Study on Greenhouse Gas Emission Accounting and Emission Reduction Path in Wastewater Treatment Plants
  
DOI:
中文关键词: 温室气体  碳排放  核算方法  减排路径  污水处理厂
英文关键词: Greenhouse gas  Carbon emission  Accounting method  Emission reduction path  Wastewater treatment plant
基金项目:国家自然科学青年基金资助项目(52200095);江苏省碳达峰碳中和科技创新专项(重大科技示范)基金资助项目(BE2022861);江苏省生态环境政策引导类科研基金资助项目(2022031)
作者单位
邱巨龙 江苏省工程咨询中心有限公司 
刘树洋 江苏省环境科学研究院 
王华 江苏省生态环境厅 
牛淮金 江苏省工程咨询中心有限公司 
苏庆 江苏省工程咨询中心有限公司 
张艳红 江苏省环境科学研究院 
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中文摘要:
      分析了污水处理厂温室气体排放源,以及现有核算方法的特点和不足,提出一种污水处理厂温室气体排放核算方法,核算范围包括污水处理系统废水处理环节的甲烷(CH4)和氧化亚氮(N2O)直接排放,以及能耗、药耗隐含的间接排放。以江苏省某典型污水处理厂为例进行温室气体排放核算,结果表明,电力消耗是污水处理厂 CO2 排放的主要来源(占比53.85%),CH4排放占比为28.96%。基于此,从节能降碳、降耗增效和工艺优化3个方面提出污水处理厂温室气体减排路径,建议尽快组织制定统一的核算技术指南,开展重点污水处理厂温室气体排放监测试点。
英文摘要:
      This paper analyzed the sources of greenhouse gas(GHG) emissions from wastewater treatment plants(WWTPs),as well as the characteristics and shortcomings of existing accounting methods,and proposed an accounting method for GHG emissions from WWTPs. The accounting scope included the direct emissions of methane(CH4) and nitrous oxide(N2O) in wastewater treatment process,and the indirect emissions of energy consumption and chemical consumption. Taking a typical WWTP in Jiangsu Province as a example,the accounting results showed that power consumption was the main source of CO2 emissions from the WWTP(accounting for 53.85%),while CH4 accounted for 28.96%. Therefore,it proposed to reduce GHG emissions from the aspects of energy saving,carbon reduction,consumption reduction,efficiency improvement and process optimization. It suggested to formulate unified accounting technical guidelines as soon as possible,and carry out pilot monitoring of GHGs emissions in key WWTPs.
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