Journal
BIOMASS & BIOENERGY
Volume 51, Issue -, Pages 99-108Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.biombioe.2013.01.013
Keywords
Fast pyrolysis; Bio-oil; Reforming; Gasification; Biohydrogen
Funding
- U.S. Department of Agriculture [68-3A75-5-233]
- Office Of The Director
- EPSCoR [1101284] Funding Source: National Science Foundation
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This paper evaluates the economic feasibility of biohydrogen production via two bio-oil processing pathways: bio-oil gasification and bio-oil reforming. Both pathways employ fast pyrolysis to produce bio-oil from biomass stock. The two pathways are modeled using Aspen Plus (R) for a 2000 t d(-1) facility. Equipment sizing and cost calculations are based on Aspen Economic Evaluation software. Biohydrogen production capacity at the facility is 147 t d(-1) for the bio-oil gasification pathway and 160 t d(-1) for the bio-oil reforming pathway. The biomass-to-fuel energy efficiencies are 47% and 84% for the bio-oil gasification and bio-oil reforming pathways, respectively. Total capital investment (TCI) is 435 million dollars for the bio-oil gasification pathway and is 333 million dollars for the bio-oil reforming pathway. Internal rates of return (IRR) are 8.4% and 18.6% for facilities employing the bio-oil gasification and bio-oil reforming pathways, respectively. Sensitivity analysis demonstrates that biohydrogen price, biohydrogen yield, fixed capital investment (FCI), bio-oil yield, and biomass cost have the greatest impacts on facility IRR. Monte-Carlo analysis shows that bio-oil reforming is more economically attractive than bio-oil gasification for biohydrogen production. (C) 2013 Elsevier Ltd. All rights reserved.
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