Lanthanum-phosphorous modified HZSM-5 catalysts in dehydration of ethanol to ethylene: A comparative analysis

被引：87

作者：

Zhan, Nina ^{[1
]}

Hu, Yi ^{[1
]}

Li, Heng ^{[1
]}

Yu, Dinghua ^{[1
]}

Han, Yuwang ^{[1
]}

Huang, He ^{[1
]}

机构：

[1] Nanjing Univ Technol, State Key Lab Mat Oriented Chem Engn, Coll Biotechnol & Pharmaceut Engn, Nanjing 210009, Peoples R China

来源：

CATALYSIS COMMUNICATIONS | 2010年 / 11卷 / 07期

关键词：

HZSM-5; Dehydration; Ethanol; Ethylene; Modification; Lanthanum; PERFORMANCE; CONVERSION; H-ZSM-5; ZSM-5;

D O I：

10.1016/j.catcom.2010.01.011

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The catalytic dehydration of ethanol into ethylene was studied over HZSM-5, phosphorous modified HZSM-5 and lanthanum-phosphorous modified HZSM-5 in the low temperature range from 473 K to 573 K. The experimental results demonstrated the lanthanum-phosphorous modified HZSM-5 offered the outstanding catalytic performance and the enhanced anti-coking ability markedly, especially for 0.5%La-2%PHZSM-5. Characterizations revealed that the improved catalytic performance and the excellent anti-coking ability of lanthanum-phosphorous modified HZSM-5 could be attributed to the harmonious acid sites and pore structure by the modification with lanthanum and phosphorous. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：633 / 637

页数：5

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