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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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神府煤ni-mo-s/al2o3催化液化动力学研究
, PP. 785-791
Keywords: 神府煤,催化液化,动力学模型,ni-mo-s/al2o3催化剂
Abstract:
？对煤液化产物进行溶剂的分级处理，采用集总的方法得到ni-mo-s/al2o3催化神府煤液化动力学模型。该模型包括了煤、前沥青烯、沥青烯和油气之间的相互转化，考虑了连串反应、平行反应和逆向转化以及结焦反应的影响，可以较好地模拟ni-mo-s/al2o3催化神府煤液化过程。基于建立的ni-mo-s/al2o3催化神府煤的动力学模型，求得神府煤催化液化的表观活化能为125~244kj/mol。通过对计算得到的模型参数分析表明，在高温阶段存在明显的油气向沥青烯以及沥青烯向前沥青烯的逆向转化。当温度高于420℃时，出现前沥青烯和沥青烯结焦反应现象。
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