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首页> 外文期刊>Environmental Science & Technology >Particle and Gas Emissions from a Simulated Coal-Burning Household Fire Pit
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Particle and Gas Emissions from a Simulated Coal-Burning Household Fire Pit

机译：模拟燃煤家用火坑的颗粒物和气体排放

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An open fire was assembled with firebricks to simulate the household fire pit used in rural China, and 15 different coals from this area were burned to measure the gaseous and particulate emissions. Particle size distribution was studied with a microorifice uniform-deposit impactor (MOUDI). Over 90% of the particulate mass was attributed to sub-micrometer particles. The carbon balance method was used to calculate the emission factors. Emission factors for four pollutants (particulate matter, CO_2, total hydrocarbons, and NO_x) were 2-4 times higherfor bituminous coals thanfor anthracites. In past inventories of carbonaceous emissions used for climate modeling, these two types of coal were not treated separately. The dramatic emission factor difference between the two types of coal warrants attention in the future development of emission inventories.
机译：用耐火砖组装了明火，模拟了中国农村使用的家庭火坑，燃烧了该地区的15种不同的煤，以测量气体和颗粒物的排放。使用微孔均匀沉积撞击器（MOUDI）研究了粒度分布。超过90％的颗粒物归因于亚微米颗粒。碳平衡法用于计算排放因子。烟煤中四种污染物（颗粒物，CO_2，总碳氢化合物和NO_x）的排放因子比无烟煤高2-4倍。在过去用于气候模拟的碳排放清单中，没有对这两种类型的煤炭进行单独处理。两种煤炭之间巨大的排放因子差异值得在排放清单的未来发展中引起关注。

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