OALib Journal期刊
ISSN: 2333-9721
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神华煤直接液化残渣萃取残渣焦气化动力学研究
, PP. 1281-1288
Keywords: 液化残渣,萃取残渣,水蒸气气化,co2气化,动力学
Abstract:
?在热天平上分别考察了甲苯、苯及乙醇萃取液化残渣热解焦在水蒸气和co2气氛下的气化动力学,并对比了液化残渣热解焦在相同条件下的气化反应性。结果表明,温度是影响残渣焦气化反应速率的重要因素;超临界溶剂对残渣的萃取使得残渣焦中碳基质的有序度有所降低,并在一定程度上增加了残渣焦的孔结构,因此,提高了残渣焦的气化反应性;残渣焦孔结构不发达,可以使用化学反应控制未反应收缩核模型预测残渣焦的气化反应过程。
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