TY - JOUR
T1 - Recent advances in commercial biorefineries for lignocellulosic ethanol production
T2 - Current status, challenges and future perspectives
AU - Raj, Tirath
AU - Chandrasekhar, K.
AU - Naresh Kumar, A.
AU - Rajesh Banu, J.
AU - Yoon, Jeong-Jun
AU - Kant Bhatia, Shashi
AU - Yang, Yung-Hun
AU - Varjani, Sunita
AU - Kim, Sang Hyoun
PY - 2022/1
Y1 - 2022/1
N2 - 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 analysis are all major bottlenecks that must be considered for long-term ethanol production in the transportation sector.© 2021 Elsevier Ltd. All rights reserved.
AB - 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 analysis are all major bottlenecks that must be considered for long-term ethanol production in the transportation sector.© 2021 Elsevier Ltd. All rights reserved.
KW - Cellulosic bioethanol
KW - Commercial biorefinery
KW - Enzymatic hydrolysis
KW - Fermentation
KW - Lignocellulosic biomass
KW - Pretreatment
UR - http://www.scopus.com/inward/record.url?scp=85119976204&partnerID=8YFLogxK
UR - https://www.scopus.com/record/pubmetrics.uri?eid=2-s2.0-85119976204&origin=recordpage
U2 - 10.1016/j.biortech.2021.126292
DO - 10.1016/j.biortech.2021.126292
M3 - RGC 21 - Publication in refereed journal
C2 - 34748984
SN - 0960-8524
VL - 344
JO - Bioresource Technology
JF - Bioresource Technology
IS - Part B
M1 - 126292
ER -
