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OALib Journal期刊
ISSN: 2333-9721
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热解温度对高水分印尼褐煤半焦孔隙特性及燃烧特性的影响
, PP. 74-78
Keywords: 热解温度,高水分,褐煤半焦,孔隙结构,燃烧速率,活化能
Abstract:
在不同温度下热解高水分印尼褐煤并对所得半焦进行了氮气等温吸附测试和热重燃烧试验。结果表明:在热解温度为500～750℃的范围内,随热解终温升高,所得半焦的比表面积和总孔容会先减小后增大,并在650℃后基本维持不变;在相同的热解条件下,高水分印尼褐煤半焦的孔隙更加发达;随热解温度升高,半焦的最大燃烧失重速率先减小而后有所增加,在热解温度为600℃时达到最低值;半焦燃烧反应活化能则随着热解温度的增加持续增加。
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