载体对烯烃歧化制丙烯的影响

华德润; 陈胜利; 周政; 陈爱诚; 刘红波; 黄庆; 卢新宁

载体对烯烃歧化制丙烯的影响

1.
赣南师范学院, 化学化工学院, 江西赣州 341000;
2.
中国石油大学(北京) 重质油国家重点实验室, 北京 102249;
3.
中原石油天然气处理厂, 河南濮阳 457001

详细信息

中图分类号: O643.3
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- 被引次数: 0
出版历程
- 收稿日期: 2013-11-27
- 修回日期: 2014-03-11
- 刊出日期: 2014-07-30

Effect of support on catalytic performance for metathesis of butene to propene

1.
Gannan Normal University, Chemical Institute of Chemical Industry, Ganzhou 341000, China;
2.
China University of Petroleum, State Key of Heavy Oil Processing, Beijing 102249, China;
3.
Natural Gas Treating Plant, Sinopec Zhongyuan Oilfield Branch, Puyang 457001, China

摘要

摘要: 以SiO₂（SBA-15、MCM-48和SiO₂）和TiO₂-SiO₂（MTS-9）介孔分子筛为载体负载8%WO₃合成钨基催化剂，研究载体对丁烯歧化制丙烯性能的影响以及载体对丁烯转化率和丙烯选择性的影响。以SBA-15、MCM-48和SiO₂为载体时，催化剂的丁烯转化率在30%~37%；以MTS-9为催化剂载体时，丁烯的转化率高达到37%~42%。对所有使用的催化剂进行多种技术表征。结果表明，活性组分在各种载体上的分散度不同，载体MTS-9具有更好的分散能力，表面活性物种数量最多，催化剂WO₃/MTS-9的歧化性能最佳。
- 丙烯 /
- 歧化 /
- 载体 /
- 三氧化钨
Abstract: The catalysts with SBA-15, MCM-48, SiO₂, and MTS-9 as supports were synthesized with 8% WO₃, and their catalytic performance for metathesis of butene to propene were carried out. The conversion of butene is 30%~37% on the catalysts with SBA-15, MCM-48, and SiO₂ as supports, and that of butene is 37%~42% on WO₃/MTS-9 catalyst. The catalyst characterization results show that the catalytic activities depend on the acidic numbers of catalysts prepared and the distribution of tungstens on the supports used. As a result, the performance of 8% WO₃/MTS-9 catalyst for the titled reaction is best.
- propene /
- metathesis /
- support /
- WO₃

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参考文献(29)

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