| 碱处理对MCM-22分子筛催化汽油烷基化脱硫的影响 |
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| 引用本文： | 郭晓野,戴洪义,闫海瑞,徐龙伢. 碱处理对MCM-22分子筛催化汽油烷基化脱硫的影响[J]. 大连工业大学学报, 2009, 28(1) |
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| 作者姓名： | 郭晓野 戴洪义 闫海瑞 徐龙伢 |
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| 作者单位： | 大连工业大学,化工与材料学院,辽宁,大连,116034;中国科学院,大连化学物理研究所,辽宁,大连,116023 |
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| 基金项目： | 国家重点基础研究发展规划(973计划)，中国科学院知识创新工程领域前沿项目 |
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| 摘 要： | 通过氢氧化钠碱处理对MCM-22分子筛进行了改性,并考察了经碱处理后的MCM-22分子筛在汽油烷基化反应中的催化性能。结果表明,经碱处理后的分子筛在微介孔并存的情况下出现了介孔变大且原有的微孔结构保持几乎不变的情形,同时分子筛的酸性中心也得到增强,致催化剂的活性、稳定性都有所增加。
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| 关 键 词： | 分子筛 碱处理 催化裂化汽油 脱硫 烷基化 |
Effect of olefin alkylation of thiophenic sulfur of gasoline over alkali-modified MCM-22 zeolite |
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| GUO Xiao-ye,DAI Hong-yi,YAN Hai-rui,XU Long-ya. Effect of olefin alkylation of thiophenic sulfur of gasoline over alkali-modified MCM-22 zeolite[J]. Journal of Dalian Dalian Polytechnic University, 2009, 28(1) |
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| Authors: | GUO Xiao-ye DAI Hong-yi YAN Hai-rui XU Long-ya |
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| Abstract: | MCM-22 zeolite was modified by treatment of sodium hydroxide,and used to catalyze Olefin alkylation of thiophenic sulfur of gasoline.The result showed that the alkali treatment of MCM-22 could enlarge some mesopores coexisted with its inherent micropores and enhance the intensity of the acid center and MCM-22 zeolites are not affected obviously,leading to the increase the reaction activity,stability and nature life. |
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| Keywords: | zeolite alkali-treatment FCC desulfurization alkylation |
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