Hydrogen-rich syngas production by chemical looping steam reforming of acetic acid as bio-oil model compound over Fe-doped LaNiO3 oxygen carriers

被引：52

作者：

Liu, Chenlong ^{[1
]}

Li, Sha ^{[1
]}

Then, Dong ^{[1
]}

Xiao, Yupeng ^{[1
]}

Li, Tianle ^{[1
]}

Wang, Wenju ^{[1
]}

机构：

[1] Nanjing Univ Sci & Technol, Sch Energy & Power Engn, Nanjing 210094, Jiangsu, Peoples R China

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2019年 / 44卷 / 33期

基金：

中国国家自然科学基金; 中国博士后科学基金;

关键词：

Chemical looping steam reforming; Hydrogen production; Perovskite; Bio-oil; PARTIAL OXIDATION; NICKEL-CATALYSTS; LATTICE OXYGEN; BIOMASS TAR; NI; METHANE; TEMPERATURE; PERFORMANCE; CARBON; CO2;

D O I：

10.1016/j.ijhydene.2019.05.148

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：

Ni-based perovskites are promising oxygen carriers for chemical looping steam reforming to produce H-2-rich gas from organics. In this study, a series of Fe-doped LaNiO3 perovskites with various Ni/Fe ratios (LaNixFe1-xO3 (0 <= x <= 1)) were investigated for chemical looping steam reforming of acetic acid as a model compounds of bio-oil. Results illustrated that although LaNiO3 showed higher activity for gas production, the Ni-Fe bimetallic perovskites were more stable during the steam reforming reactions. It was found that Fe doping can promote the content of lattice oxygen in the perovskite which could be released during the steam reforming reaction, thus coking resistant of the perovskite was effectively improved. Among the LaNixFe1-xO3 (0 <= x <= 1) perovskites, LaNi0.8Fe0.2O3 exhibited the best synergistic effect between Ni and Fe to achieve the highest H-2/CO for H-2-rich gas production. Operational variables of the steam reforming reactions catalyzed by LaNi0.8Fe0.2O3 for H-2 production were further optimized. (C) 2019 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：17732 / 17741

页数：10

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