THE EFFECT OF ADDED HETEROGENEOUS CATALYSTS ON LOW-SEVERITY COAL LIQUEFACTION
作者： R.M. Baldwin , B. Gaur , R.L. Miller
DOI: 10.1080/08843759208916053
关键词: Chemical engineering 、 Organic chemistry 、 Chemistry 、 Catalysis 、 Coal liquefaction 、 Heterogeneous catalysis 、 Bituminous coal 、 Liquefaction 、 Coal 、 Hexane 、 Carbochemistry
摘要: ABSTRACT Liquefaction data in the presence and absence of added catalysts were obtained for two coals from Argonne premium Sample Bank (Beulah-Zap lignite Utah Blind Canyon high volatile bituminous). Experiments carried out tubing bomb microautoclave batch reactors over a broad temperature range (310 to 425 °C), THF hexane conversion profiles measured at residence times 5, 10, 15, 30 minutes order elucidate effect both time reaction conditions ranging low severity. All runs non-donor vehicle (l-methylnaphthalene) using powdered presulfided Shell 324 as catalyst. The results generally reflect expected trends catalyst on coal conversion, that primary influence was found be terms promoting solubles. A selectivity parameter developed utilized provide insight into role
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