摘要:汞污染已成为一个全球性的环境问题,我国是世界上大气汞排放量最大的国家,在批准《关于汞的水俣公约》之后,我国的汞污染控制面临严峻的挑战.燃煤部门是我国大气汞排放的第一大部门,也是履约的重点部门.本研究建立了我国燃煤部门2010年和2012年的大气汞排放清单,评估了"大气污染防治行动计划"("大气十条")对燃煤部门大气汞排放的协同控制效果.同时,使用情景分析法,对2020年和2030年燃煤部门的大气汞排放进行了预测,分析了未来不同控制措施的减排效果.结果表明,2010年中国燃煤电厂、燃煤工业锅炉和民用燃煤炉灶的大气汞排放量的最佳估计值分别为100.0、72.5和18.0t."大气十条"的实施可使我国燃煤部门到2017年比2012年减少92.5t的大气汞排放.能源结构的调整、洗煤比例的提高和除尘设备的升级改造对于大气汞的减排效果最显著.在最佳估计情景下,2020年和2030年燃煤部门大气汞排放量分别为128.5和80.0t,与2010年相比分别降低了33%和58%;在最严格控制情景下,2020年和2030年燃煤部门大气汞的排放量分别为103.2和50.9t,相较2010年分别下降了46%和73%.
关键词;燃煤部门,大气汞排放控制,大气十条,关于汞的水俣公约
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原标题:中国燃煤部门大气汞排放协同控制效果评估及未来预测
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