Combustion and Pollutant Emission Characteristics of Lignite Dried by Low Temperature Air
作者： Chengbo Man , Xin Zhu , Xuezhong Gao , Defu Che
DOI: 10.1080/07373937.2014.967402
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摘要: Lignite is a kind of coal that has high moisture content and needs to be dried before being utilized. In this article, Chinese lignite was in air at 120–180°C the changes its physical chemical structures after drying were investigated. The results showed pore volume specific surface area decreased drying. Some methylene methyl groups oxidized by oxygen air, resulting an increase functional groups. combustion characteristics coals parent (dry basis) studied via thermogravimetric analysis. total volatile yields increased compared coal. burnout temperatures higher than coal, whereas ignition stayed almost unchanged. An entrained flow system set up study release nitrogenous gas products during rapid pyrolysis combustion. HCN ...
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