Journal
BIORESOURCE TECHNOLOGY
Volume 216, Issue -, Pages 331-339Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2016.05.090
Keywords
Techno-economic comparison; Renewable jet fuel; Ethanol intermediate; Thermochemical; Biochemical; Hybrid
Funding
- Centre for Renewable and Sustainable Energy Studies (CRSES) at the University of Stellenbosch
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In this study, a techno-economic comparison was performed considering three processes (thermochemical, biochemical and hybrid) for production of jet fuel from lignocellulosic biomass (2G) versus two processes from first generation (1G) feedstocks, including vegetable oil and sugar cane juice. Mass and energy balances were constructed for energy self-sufficient versions of these processes, not utilising any fossil energy sources, using ASPEN Plus (R) simulations. All of the investigated processes obtained base minimum jet selling prices (MJSP) that is substantially higher than the market jet fuel price (2-4 fold). The 1G process which converts vegetable oil, obtained the lowest MJSPs of $2.22/kg jet fuel while the two most promising 2G processes-the thermochemical (gasification and Fischer-Tropsch synthesis) and hybrid (gasification and biochemical upgrading) processes-reached MJSPs of $2.44/kg and $2.50/kg jet fuel, respectively. According to the economic sensitivity analysis, the feedstock cost and fixed capital investment have the most influence on the MJSP. (C) 2016 Elsevier Ltd. All rights reserved.
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