Phosphorus-modified ZSM-5 for conversion of ethanol to propylene

被引：127

作者：

Song, Zhaoxia ^{[1
,2
]}

Takahashi, Atsushi ^{[1
]}

Nakamura, Isao ^{[1
]}

Fujitani, Tadahiro ^{[1
]}

机构：

[1] Natl Inst Adv Ind Sci & Technol, Res Inst Innovat Sustainable Chem, Tsukuba, Ibaraki 3058569, Japan

[2] Dalian Nationalities Univ, Coll Life Sci, Dalian 116600, Peoples R China

来源：

APPLIED CATALYSIS A-GENERAL | 2010年 / 384卷 / 1-2期

关键词：

ZSM-5; Phosphorus; Ethanol conversion; Propylene; Dealumination; ZEOLITE CATALYSTS; MODIFIED H-ZSM-5; ORTHOPHOSPHORIC ACID; LIGHT OLEFINS; METHANOL; CRACKING; HZSM-5; NMR; HYDROCARBONS; STABILIZATION;

D O I：

10.1016/j.apcata.2010.06.035

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：

In this work, phosphorus-modified ZSM-5 zeolites were used to transform ethanol to propylene. The selectivity of propylene formation depended strongly on the phosphorus content in the zeolites; the highest propylene yield (32%) was observed over H-ZSM-5(80) modified with phosphorus at a P/Al molar ratio of 0.5. The enhancement of propylene selectivity with increasing phosphorus content was attributed to reduction of strong acid sites on the H-ZSM-5. Modification of the zeolite with phosphorous also improved the material's catalytic stability. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：201 / 205

页数：5

共 29 条

[1] Conversion of methanol to hydrocarbons over zeolite H-ZSM-5: On the origin of the olefinic species [J].