The characteristics of syngas production from bio-oil dry reforming utilizing the waste heat of granulated blast furnace slag

被引：22
作者：
Yao, Xin [1 ]
Yu, Qingbo [1 ]
Xu, Guowei [1 ]
Han, Zhengri [1 ]
Xie, Huaqing [1 ]
Duan, Wenjun [1 ]
Qin, Qin [1 ]
机构：
[1] Northeastern Univ, Sch Met, Shenyang 110819, Liaoning, Peoples R China
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2018年 / 43卷 / 49期
基金：
中国国家自然科学基金;
关键词：
Bio-oil; Dry reforming; Syngas production; Granulated blast furnace slag; Waste heat recovery; HYDROGEN-RICH GAS; STEAM GASIFICATION; MOLTEN SLAG; BIOMASS GASIFICATION; CATALYTIC PYROLYSIS; CO2; GASIFICATION; COAL; RECOVERY; NI; KINETICS;
D O I：
10.1016/j.ijhydene.2018.10.097
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：
A two-stage utilization of the waste heat of granulated blast furnace slag (BFS) was proposed, and the characteristics of bio-oil dry reforming under different conditions were investigated. For the bio-oil dry reforming utilizing granulated BFS as the heat carrier, when the temperature was higher than 800 degrees C, changes in the characteristics as bio-oil conversion and lower heating value (LHV) were not pronounced in response to the increasing temperature. The bio-oil conversion reached its maximum value with a CO2/C (molar ratio of CO2 to carbon in bio-oil) of 0.85. When the liquid hourly space velocity (LHSV) was higher than 0.45 h(-1), the bio-oil conversion and LHV dropped quickly as the LHSV increased. At the optimal condition with a temperature of 800 degrees C, a CO2/C of 0.85 and an LHSV of 0.45 h(-1), the bio-oil conversion and LHV reached 90.15% and 511.02 kJ per mole of bio-oil, respectively. Granulated BFS could be beneficial for the bio-oil dry reforming process. Combining biomass pyrolysis and bio-oil dry reforming, a feasible industry application utilizing the waste heat of granulated BFS was presented systematically. (C) 2018 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：22108 / 22115
页数：8
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