期刊
BIORESOURCE TECHNOLOGY
卷 102, 期 23, 页码 11018-11026出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2011.09.055
关键词
Algae; Bio-fuels; Pyrolysis; Bio-char; Bio-oil
资金
- Center for Innovative Food Technology (CIFT) through US-AFRO
- Div Of Chem, Bioeng, Env, & Transp Sys
- Directorate For Engineering [0959920] Funding Source: National Science Foundation
Pyrolysis experiments were performed with algal and lignocellulosic feedstocks under similar reactor conditions for comparison of product (bio-oil, gas and bio-char) yields and composition. In spite of major differences in component bio-polymers, feedstock properties relevant to thermo-chemical conversions, such as overall C, H and O-content, C/O and H/C molar ratio as well as calorific values, were found to be similar for algae and lignocellulosic material. Bio-oil yields from algae and some lignocellulosic materials were similar; however, algal bio-oils were compositionally different and contained several N-compounds (most likely from protein degradation). Algal bio-char also had a significantly higher N-content. Overall, our results suggest that it is feasible to convert algal cultures deficient in lipids, such as nuisance algae obtained from natural blooms, into liquid fuels by thermochemical methods. As such, pyrolysis technologies being developed for lignocellulosic biomass may be directly applicable to algal feedstocks as well. (C) 2011 Elsevier Ltd. All rights reserved.
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