High Performance SiO2-ZrO2 Binary Oxide for Ethanol Conversion to Ethylene

被引：8
|
作者：
Xia, Wei [1 ]
Wang, Fangfang [1 ]
Wang, Longxiang [1 ]
Wang, Junguo [1 ]
Mu, Xichuan [1 ]
Chen, Kun [1 ]
机构：
[1] China Univ Petr East China, Coll Chem Engn, State Key Lab Heavy Oil Proc, Qingdao 266580, Shandong, Peoples R China
来源：
CATALYSIS LETTERS | 2018年 / 148卷 / 10期
基金：
中国国家自然科学基金;
关键词：
Ethanol; Ethylene; Zirconia; Si; DENSITY-FUNCTIONAL THEORY; CATALYTIC CONVERSION; ADSORPTION; DEHYDRATION; ZIRCONIA; DFT; SURFACE; ENERGY; ACID;
D O I：
10.1007/s10562-018-2500-7
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：
Zirconia catalysts doped with Si were prepared by co-precipitation method. The effects of zirconium precursor, precipitant and Si on the selective conversion of ethanol to ethylene over zirconia catalysts were investigated. The addition of Si afforded high surface area and enlarged amount of acidic sites. Higher ethanol conversion and ethylene yield were obtained over SiO2-ZrO2 catalysts. The highest yield of ethylene reached 95.9% over SiO2-ZrO2 synthesized by ZrO(NO3)(2)center dot 2H(2)O and (NH2CH2)(2). [GRAPHICS] .
引用
收藏
页码：3024 / 3034
页数：11
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