Methanol to propylene: Effect of phosphorus on a high silica HZSM-5 catalyst
Methanol to propylene: Effect of phosphorus on a high silica HZSM-5 catalyst
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甲醇制丙烯:磷对高硅 HZSM-5 催化剂的影响
DOI:
10.1016/j.catcom.2009.04.004
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发表时间:
2009-06
影响因子:
3.7
通讯作者:
Tang, Yi
中科院分区:
文献类型:
--
作者:
Shen, Wei;Hua, Weiming;Yue, Yinghong;Xu, Hualong;Liu, Jian;Shen, Zhenhao;Zhang, Chenxi;Tang, Yi
Modified high silica HZSM-5 catalysts have been used to selectively transform methanol to propylene (MTP). The HZSM-5 catalyst with a Si/Al ratio of 220 exhibited satisfying catalytic performance (space time yield of propylene is up to 18mmol/gh). The selectivity of propylene can be obviously affected by additives. P leads to a pronounced improvement of propylene selectivity up to 55.6% with complete conversion of methanol. The enhancement of propylene selectivity and catalytic life can be attributed to partial elimination of the strong acid sites on the HZSM-5 catalyst.
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影响因子:
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