REACTIONS OF BROWN COALS WITH CO-H2O IN THE PRESENCE OF ALKALINE CATALYSTS IN A WELL-STIRRED AUTOCLAVE WITH HOT-CHARGE FACILITY

被引:10
作者
CHAN, JST
JACKSON, WR
MARSHALL, M
机构
[1] Department of Chemistry, Monash University, Clayton
关键词
LIQUEFACTION; CARBON-MONOXIDE WATER; BROWN COAL;
D O I
10.1016/0016-2361(94)90142-2
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
Victorian brown coals were reacted with CO-H2O in the presence of different amounts of NaAlO2, NaOH, Na2CO3 and Ca(AlO2)2 in a well-stirred autoclave with a hot-charge facility. The effects of reaction time, temperature, stirrer speed, reactant gas composition, coal structure and reactant ratios were studied and the results were compared with those of reactions using a similar reactor in a less well-mixed system. Efficient mixing led to higher yields of liquid products, at lower water:coal ratios and lower promoter loadings. In addition, the product yields were less sensitive to coal structure in this well-mixed system.
引用
收藏
页码:1628 / 1631
页数:4
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