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晶化时间对ZSM-5/MCM-48复合分子筛结构及MTG反应性能的影响
ZSM-5/MCM-48 晶化时间 MTG 汽油 芳烃
2014/3/10
采用两步晶化法制备ZSM-5/MCM-48微介孔复合分子筛,通过调变前驱体溶胶的晶化时间获得不同结构的ZSM-5/MCM-48基分子筛催化剂。采用XRD、N2-吸附、SEM、TEM、FT-IR和Py-FTIR等手段进行表征,结果表明,前驱体溶胶的晶化时间对ZSM-5/MCM-48复合分子筛的结构和表面酸性产生重要的影响,而特定结构的复合分子筛基催化剂可以显著改变甲醇制汽油(MTG)反应的产物分布,...
Methyl Halide to Olefins and Gasoline over Zeolites and SAPO Catalysts: A New Route of MTO and MTG(图)
methyl halide hydrocarbons zeolite SAPO-34 reaction mechanism
2013/10/9
Rational and efficient conversion of methane to more useful higher hydrocarbons is one of the most important topics of natural gas utilization. Although methane activation and its conversion to valuab...