Abstract
The reaction process of quickly liquefying Chinese Yangcun bituminous coal was studied under pressure of hydrogen 70?MPa(cold) by using resonance agitation reactor The results show that a high coal conversion has been obtained at short reaction time (coal quick liquefaction) by raising reaction temperature appropriately and enhancing active hydrogen concentration and improving its transfer speed and path in the reaction system The best reaction temperature of coal quick liquefaction (CQL) is the upper limit of the coal pyrolysis temperature range in TGA Compared coal conversion and benzene soluble (BS) yield of CQL with those of common liquefaction,CQL greatly enhances efficiency of coal liquefaction and it is favorable for further utilizing coal liquefaction product
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