Journal
BIORESOURCE TECHNOLOGY
Volume 257, Issue -, Pages 320-333Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2018.02.089
Keywords
Advanced biofuels; Drop-in fuel; Deoxygenation; Microalgae; Electro-biofuel
Funding
- Advanced Biomass R&D Center (ABC) of the Global Frontier Project - Ministry of Science and ICT, Republic of Korea [ABC-2012M3A6A205388]
- Ministry of Trade, Industry & Energy (MOTIE) of the Republic of Korea [20143010091820]
- Korea Institute of Energy Technology Evaluation and Planning (KETEP)
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Biofuels are regarded as one of the most viable options for reduction of CO2 emissions in the transport sector. However, conventional plant-based biofuels (e.g., biodiesel, bioethanol)'s share of total transportation-fuel consumption in 2016 was very low, about 4%, due to several major limitations including shortage of raw materials, low CO2 mitigation effect, blending wall, and poor cost competitiveness. Advanced biofuels such as drop-in, microalgal, and electro biofuels, especially from inedible biomass, are considered to be a promising solution to the problem of how to cope with the growing biofuel demand. In this paper, recent developments in oxy-free hydrocarbon conversion via catalytic deoxygenation reactions, the selection of and lipid-content enhancement of oleaginous microalgae, electrochemical biofuel conversion, and the diversification of valuable products from biomass and intermediates are reviewed. The challenges and prospects for future development of eco-friendly and economically advanced biofuel production processes also are outlined herein.
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