Formation of tar and its characterization during air–steam gasification of sawdust in a fluidized bed reactor
作者： Yu-Hong Qin , Jie Feng , Wen-Ying Li
DOI: 10.1016/J.FUEL.2009.08.009
关键词: Tar 、 Olefin fiber 、 Gel permeation chromatography 、 Sawdust 、 Polymerization 、 Atmospheric pressure 、 Molar mass distribution 、 Chemical engineering 、 Fluidized bed 、 Organic chemistry 、 Chemistry
摘要: Abstract The sawdust tar was generated from air–steam gasification in the fluidized bed reactor at atmospheric pressure. temperature and mass ratio of steam to were used as adjustable variables with which amount formation corresponding properties. Gel permeation chromatography (GPC) coupled diode array detector (DAD) employed analyze tar. It found that molecular weight distribution (MWD) unchanged under investigated conditions. majority components are aromatic compounds, paraffin conjugated bonds olefin. Tar (MW) depends on H free radical amount, is related added during gasification. can prevent polymerization reaction more side-chain compounds would be formed. In end, process has been described structure obtained.
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