期刊
BIORESOURCE TECHNOLOGY
卷 125, 期 -, 页码 348-352出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2012.09.061
关键词
Fast pyrolysis; Bio-oil; Biochar; Corn stover and cobs; Biomass storage
资金
- North Central Regional Sun Grant Center at South Dakota State University through the US Department of Energy Office of Biomass Programs [DE-FG36-08GO88073]
- EPSCoR
- Office Of The Director [1101284] Funding Source: National Science Foundation
Short harvest window of corn (Zea mays) stover necessitates its storage before utilization; however, there is not enough work towards exploring the fast pyrolysis behavior of stored biomass. This study investigated the yields and the physicochemical properties (proximate and ultimate analyses, higher heating values and acidity) of the fast pyrolysis products obtained from single-pass stover and cobs stored either inside a metal building or anaerobically within plastic wraps. Biomass samples were pyrolyzed in a 183 cm long and 2.1 cm inner diameter free-fall fast pyrolysis reactor. Yields of bio-oil, biochar and non-condensable gases from different biomass samples were in the ranges of 45-55, 25-37 and 11-17 wt.%, respectively, with the highest bio-oil yield from the ensiled single-pass stover. Bio-oils generated from ensiled single-pass cobs and ensiled single-pass stover were, respectively, the most and the least acidic with the modified acid numbers of 95.0 and 65.2 mg g(-1), respectively. (c) 2012 Elsevier Ltd. All rights reserved.
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