Shape-selective isopropylation of 2-methylnaphthalene over modified HM catalysts

被引：0

作者：

Zhao L. ^{[1
]}

Liu M. ^{[1
]}

Wang X. ^{[1
]}

Song C. ^{[2
]}

Guo X. ^{[1
]}

机构：

[1] State Key Laboratory of Fine Chemicals, Dalian University of Technology

[2] EMS Energy Institute and Department of Energy and Mineral Engineering, Pennsylvania State University Park

来源：

Shiyou Xuebao, Shiyou Jiagong/Acta Petrolei Sinica (Petroleum Processing Section) | 2010年 / 26卷 / 06期

关键词：

2-methyl-6-isopropylnaphthalene; (2; 6-MIPN); 2-methylnaphthalene(2-MN); Composite modification; HM; Shape-selective catalysis;

D O I：

10.3969/j.issn.1001-8719.2010.06.007

中图分类号：

学科分类号：

摘要：

A series of HM catalysts modified with CeO2 and MgO were prepared by impregnation method. Isopropylation reaction of 2-methylnaphthalene (2-MN) with isopropanol to 2-methyl-6-isopropylnaphthalene (2, 6-MIPN) catalyzed by modified HM catalyst was carried out in fixed-bed down-flow reactor. The results showed that the optimal reaction conditions of 2-MN isopropylation were the reaction pressure of 2 MPa, reaction temperature of 200°C, n(2-MN):n(i-PrOH):n(Cyclohexane)=1:3:70. Under the optimal conditions and over 20%CeO2/HM catalyst, 2-MN conversion reached 37.7%, 2, 6-MIPN selectivity and yield were 83.0% and 28.7%, respectively, after 8 h reaction on stream, and over the HM catalyst modified by CeO2 and MgO, the selectivity of 2, 6-MIPN could reach 89.5%. The reason is that CeO2 and MgO can decrease the internal and external acid sites of HM catalysts, reduce the non-shape-selective reaction and improve the selectivity to 2, 6-MIPN.

引用

页码：871 / 876

页数：5

共 16 条

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