期刊
BIORESOURCE TECHNOLOGY
卷 344, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2021.126292
关键词
Lignocellulosic biomass; Pretreatment; Commercial biorefinery; Enzymatic hydrolysis; Fermentation; Cellulosic bioethanol
资金
- National Research Foundation of Korea (NRF) - Korean government (Ministry of Sci-ence ICT) [NRF-2019M3E6A1103839]
- Brain Pool Program through the National Research Foundation of Korea (NRF) - Ministry of Science and ICT [NRF-2020H1D3A1A04081081]
- National Research Foundation of Korea [2019M3E6A1103839, 2020H1D3A1A04081081, 4199990614298] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Cellulosic ethanol production is facing major sustainability issues due to changes in feedstock composition, natural resistance, and lack of cost-effective pretreatment and downstream processing. To address these challenges, a global overview of current cellulosic ethanol facilities, main roadblocks, and technical challenges has been outlined, along with advancements in R&D and solutions for low-cost sustainable fuel ethanol production.
Cellulosic ethanol production has received global attention to use as transportation fuels with gasoline blending virtue of carbon benefits and decarbonization. However, due to changing feedstock composition, natural resistance, and a lack of cost-effective pretreatment and downstream processing, contemporary cellulosic ethanol biorefineries are facing major sustainability issues. As a result, we've outlined the global status of present cellulosic ethanol facilities, as well as main roadblocks and technical challenges for sustainable and commercial cellulosic ethanol production. Additionally, the article highlights the technical and non-technical barriers, various R&D advancements in biomass pretreatment, enzymatic hydrolysis, fermentation strategies that have been deliberated for low-cost sustainable fuel ethanol. Moreover, selection of a low-cost efficient pretreatment method, process simulation, unit integration, state-of-the-art in one pot saccharification and fermentation, system microbiology/ genetic engineering for robust strain development, and comprehensive techno-economic
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