Ni supported on the CaO modified attapulgite as catalysts for hydrogen production from glycerol steam reforming

被引：47
|
作者：
Feng, P. [1 ]
Huang, K. [2 ]
Xu, Q. [1 ,2 ]
Qi, W. [3 ]
Xin, S. [4 ]
Wei, T. [1 ]
Liao, L. [1 ]
Yan, Y. [1 ]
机构：
[1] East China Univ Sci & Technol, Res Ctr Biomass Energy, Key Lab Coal Gasificat & Energy Chem Engn, Minist Educ, Shanghai, Peoples R China
[2] Guangxi Acad Sci, Natl Engn Res Ctr Nonfood Biorefinery, Guangxi Key Lab Biorefinery, Nanning, Peoples R China
[3] Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou, Peoples R China
[4] Jianghan Univ, Hubei Key Lab Ind Fume & Dust Pollut Control, Wuhan, Peoples R China
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2020年 / 45卷 / 15期
基金：
中国国家自然科学基金;
关键词：
Hydrogen; Steam reforming; Attapulgite; Ni catalysts; CaO; RU-BASED CATALYSTS; NI/ATTAPULGITE CATALYSTS; BIODIESEL PRODUCTION; BIO-OIL; TEMPERATURE; ETHANOL; PRETREATMENT; GENERATION; ACID; CO;
D O I：
10.1016/j.ijhydene.2020.01.013
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 Ni catalyst supported on CaO-modified attapulgite (CaO-ATP) were synthesized by wet impregnation method at a constant Ni metal loading (10 wt%). The catalyst was tested by carrying out a glycerin steam reforming reaction under the following conditions: 400-800 degrees C, W/G is 3, GHSV is 1 h(-1). Ni-CaO-ATP exhibited the highest hydrogen yield (85.30%) and glycerol conversion (93.71%) at 600 degrees C. The catalysts were characterized by N-2 adsorption/desorption, BET, XRD, H-2-TPR, TG and SEM. The results show that ATP has good resistance to carbon deposition. As an attapulgite modifier of Ni-CaO-ATP, CaO promotes the dispersion of the active component nickel species, which would promote the water gas shift reaction, leading to the improving of hydrogen yield. In addition, the addition of Ca would further enhance the inhibition of carbon deposition and prolong the life of the Ni -CaO-ATP catalyst. (C) 2020 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：8223 / 8233
页数：11
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