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作 者:郭春垒[1] 于海斌[1] 王银斌[1] 臧甲忠[1] 方向晨[2] 汲银平[1]
机构地区:[1]中海油天津化工研究设计院催化技术重点实验室,天津300131 [2]中国石油化工股份有限公司抚顺石油化工研究院,辽宁抚顺113001
出 处:《化工进展》2013年第S1期115-121,共7页Chemical Industry and Engineering Progress
摘 要:甲醇制汽油工艺(methanol to gasoline,MTG)对于保证我国能源安全和推动经济发展具有重要的意义,而甲醇制汽油技术的关键是催化剂的开发。本文综述了国内外甲醇制汽油催化剂的研究进展,主要介绍了微米ZSM-5分子筛、纳米ZSM-5分子筛以及复合分子筛甲醇制汽油催化剂的研究现状,着重探讨了不同改性方法对分子筛催化剂催化甲醇制汽油反应性能的影响,改性方法主要包括金属改性、碱处理改性、水热处理改性等。同时指出纳米ZSM-5分子筛具有优于微米级ZSM-5分子筛的独特孔道结构和酸性分布,用于甲醇制汽油工艺具有更更高的汽油收率和稳定性。另外,开发高选择性和高稳定性的催化剂,同时开发相应的配套工艺,解决MTG反应中反应热难以控制的难题是未来甲醇制汽油的发展方向。It has great significance to develop methanol to gasoline process(MTG)for ensuring of energy security and promoting economic development,and the catalyst development is the key for this process.The development of catalyst for methanol to gasoline was summarized,and the research status of microsized ZSM-5 zeolite,nanosized ZSM-5 zeolite and composite zeolite were mainly introduced in this paper.The effect of different modification method mainly including metal modification,alkali treatment and hydrothermal treatment on the MTG reaction performance was highlighted.It was pointed out that nanosized ZSM-5 zeolite has better pore structure and acidic distribution than that of microsized zeolite,which exhibited higher gasoline yield and stability for the MTG process.In addition,to develop high selectivity and stability catalyst with appropriate technology to control the reaction heat is the future direction of methanol to gasoline process.
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