Journal
BIORESOURCE TECHNOLOGY
Volume 140, Issue -, Pages 439-442Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2013.04.117
Keywords
Invasive plant; Pyrolysis; Biochar; Bioenergy; Minimum residence time
Funding
- USDA T-STAR program
- NSF [CBET-1054405]
- Directorate For Engineering
- Div Of Chem, Bioeng, Env, & Transp Sys [1054405] Funding Source: National Science Foundation
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In this work, the potential of invasive plant species as feedstock for value-added products (biochar and bioenergy) through pyrolysis was investigated. The product yield rates of two major invasive species in the US, Brazilian Pepper (BP) and Air Potato (AP), were compared to that of two traditional feedstock materials, water oak and energy cane. Three pyrolysis temperatures (300, 450, and 600 degrees C) and four feedstock masses (10, 15, 20, and 25 g) were tested for a total of 12 experimental conditions. AP had high biochar and low oil yields, while BP had a high oil yield. At lower temperatures, the minimum feedstock residence time for biochar and bioenergy production increased at a faster rate as feedstock weight increased than it did at higher temperatures. A simple mathematical model was successfully developed to describe the relationship between feedstock weight and the minimum residence time. (C) 2013 Elsevier Ltd. All rights reserved.
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