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催化学报  2013 

微米及纳米丝光沸石分子筛上二甲醚羰基化反应的积碳分析

DOI: 10.1016/S1872-2067(12)60607-X, PP. 1496-1503

Keywords: 氢型丝光沸石,二甲醚,羰基化,晶体尺寸,积碳

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Abstract:

?对比研究了在传统微米尺寸和新结构纳米丝光沸石催化剂上二甲醚羰基化合成乙酸甲酯的反应行为.结果表明,通过减小分子筛的尺寸到纳米水平,可以有效提高反应物和产物到达或者脱离反应活性位的效率,从而提高了二甲醚的转化率;更重要的是,抑制了硬积碳的生成,使催化剂保持了更高的稳定性.

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