Abstract Ethanol as a key component of alcoholic beverage came along with human in an extremely long history. Nowadays, it has been the most successful sustainable alternative to fossil fuels, even beyond wind power and solar energy, to fuel vehicles and alleviate environmental pollution. Although almost all bioethanol produced by starch- or sugar-based biomass, also known as the first-generation bioethanol, is economically feasible nowadays, it still causes many controversial issues in food security and CO2 emission. In order to address these concerns, the second-generation bioethanol, taking lignocellulose such as forest waste and crop straw as the feedstocks, has emerged a promising future of ideal biofuel. Unfortunately, because of the challenges raised in technology and economy, the running of industrial plants for second-generation ethanol closely depends on the global price of crude oil. The third-generation bioethanol is derived from algae, which is considered as a valuable option for feedstock due to its potentially abounding output. In this chapter, we drew a sketch of three-generation bioethanol in the regular production process and innovative research input globally. Bioethanol production, as a long story since the beginning of civilization, is destined to promise human a bright energy road.
Bioethanol: New opportunities for an ancient product
Chen-Guang Liu,Kai Li,Wen Yuan,Bo-Yu Geng,Qian Liu,Yen-Han Lin
Published 2019 in Advances in Bioenergy
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2019
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Advances in Bioenergy
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Business, Chemistry, Engineering, Environmental Science
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