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Process Strategies for the Transition of 1G to Advanced Bioethanol Production

Advanced Biofuels and Bioproducts Unit, Department of Energy, Research Centre for Energy, Environment and Technology (CIEMAT), 28040 Madrid, Spain
Institute of Materials Science of Madrid (ICMM), Spanish National Research Council (CSIC), 28049 Madrid, Spain
Forestry Products Department, Forest Research Centre (CIFOR), National Institute for Agricultural and Food Research and Technology (INIA), 28040 Madrid, Spain
Author to whom correspondence should be addressed.
Processes 2020, 8(10), 1310;
Received: 15 September 2020 / Revised: 7 October 2020 / Accepted: 12 October 2020 / Published: 19 October 2020
(This article belongs to the Special Issue Bioethanol Production Processes)
Nowadays, the transport sector is one of the main sources of greenhouse gas (GHG) emissions and air pollution in cities. The use of renewable energies is therefore imperative to improve the environmental sustainability of this sector. In this regard, biofuels play an important role as they can be blended directly with fossil fuels and used in traditional vehicles’ engines. Bioethanol is the most used biofuel worldwide and can replace gasoline or form different gasoline-ethanol blends. Additionally, it is an important building block to obtain different high added-value compounds (e.g., acetaldehyde, ethylene, 1,3-butadiene, ethyl acetate). Today, bioethanol is mainly produced from food crops (first-generation (1G) biofuels), and a transition to the production of the so-called advanced ethanol (obtained from lignocellulosic feedstocks, non-food crops, or industrial waste and residue streams) is needed to meet sustainability criteria and to have a better GHG balance. This work gives an overview of the current production, use, and regulation rules of bioethanol as a fuel, as well as the advanced processes and the co-products that can be produced together with bioethanol in a biorefinery context. Special attention is given to the opportunities for making a sustainable transition from bioethanol 1G to advanced bioethanol. View Full-Text
Keywords: bioeconomy; integrated biorefineries; biomass; bioethanol; retrofitting bioeconomy; integrated biorefineries; biomass; bioethanol; retrofitting
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MDPI and ACS Style

Susmozas, A.; Martín-Sampedro, R.; Ibarra, D.; Eugenio, M.E.; Iglesias, R.; Manzanares, P.; Moreno, A.D. Process Strategies for the Transition of 1G to Advanced Bioethanol Production. Processes 2020, 8, 1310.

AMA Style

Susmozas A, Martín-Sampedro R, Ibarra D, Eugenio ME, Iglesias R, Manzanares P, Moreno AD. Process Strategies for the Transition of 1G to Advanced Bioethanol Production. Processes. 2020; 8(10):1310.

Chicago/Turabian Style

Susmozas, Ana, Raquel Martín-Sampedro, David Ibarra, María E. Eugenio, Raquel Iglesias, Paloma Manzanares, and Antonio D. Moreno 2020. "Process Strategies for the Transition of 1G to Advanced Bioethanol Production" Processes 8, no. 10: 1310.

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