Hydrogen production from bio-oil aqueous fraction with in situ carbon dioxide capture

This paper presents the results of the investigation on steam reforming bio-oil aqueous fraction coupled with in situ carbon dioxide capture for hydrogen production. Experiments were carried out in a bench-scale fixed-bed reactor with calcined dolomite as the sorbent. The effects of temperature and...

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Bibliographic Details
Published in:International journal of hydrogen energy 2010-04, Vol.35 (7), p.2612-2616
Main Authors: Yan, Chang-Feng, Hu, En-Yuan, Cai, Chi-Liu
Format: Article
Language:English
Subjects:
Alternative fuels. Production and utilization
Applied sciences
Bio-oil
Carbon dioxide
Carbon dioxide capture
Dolomite
Energy
Exact sciences and technology
Fuels
Hydrogen
Hydrogen production
Reactors
Reforming
Regeneration
Roasting
Sorbents
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Summary:This paper presents the results of the investigation on steam reforming bio-oil aqueous fraction coupled with in situ carbon dioxide capture for hydrogen production. Experiments were carried out in a bench-scale fixed-bed reactor with calcined dolomite as the sorbent. The effects of temperature and water to bio-oil ratio on hydrogen production are reported. In the presence of calcined dolomite, maximum hydrogen yield of 75% was obtained among without sorbent, with CaO and with calcined dolomite at 600 °C, whereas hydrogen content was 83%, a little lower than that of 85% when CaO was used. Hydrogen content varies little at different water to bio-oil ratios and hydrogen yield was the greatest at the water to bio-oil ratio of 1:1. After regeneration of the sorbent, hydrogen content was back to the initial level but the hydrogen yield dropped.
ISSN:0360-3199
1879-3487
DOI:10.1016/j.ijhydene.2009.04.016