铝修饰改性对SBA-15分子筛性质及催化剂性能的影响

代郁 周亚松 魏强 崔勍焱 秦臻

引用本文: 代郁, 周亚松, 魏强, 崔勍焱, 秦臻. 铝修饰改性对SBA-15分子筛性质及催化剂性能的影响[J]. 燃料化学学报, 2013, 41(12): 1502-1506. shu
Citation:  DAI Yu, ZHOU Ya-song, WEI Qiang, CUI Qing-yan, QIN Zhen. Influences of Al modification on the properties and catalytic performance of SBA-15 molecular sieves in hydrocracking[J]. Journal of Fuel Chemistry and Technology, 2013, 41(12): 1502-1506. shu

铝修饰改性对SBA-15分子筛性质及催化剂性能的影响

    通讯作者: 周亚松(1964- ),男,教授,Tel & Fax:(010)89733501;E-mail:zhys01@cup.edu.cn。
  • 基金项目:

    国家重点基础研究发展规划(973计划,2010CB226905)。 

摘要: 分别采用调变pH值合成法和后处理嫁接法制备了铝修饰改性的SBA-15分子筛,通过XRD、Al核磁、N2吸附脱附、NH3-TPD等方法对改性分子筛的理化性质进行了分析表征,考察了不同的Al修饰改性方法对分子筛性质和加氢裂化催化剂性能的影响。结果表明,调变pH值合成法能够有效地对SBA-15进行Al改性,得到的Al-SBA-15分子筛具有高度有序的六方孔道结构,较好的水热稳定性。Al的引入提高了SBA-15的表面酸性,并使其在加氢裂化反应中表现出较好的中油选择性。

English

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  • 收稿日期:  2013-03-19
  • 网络出版日期:  2013-05-13
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