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Current Pretreatment Technologies for the Development of Cellulosic Ethanol and Biorefineries

Silveira, Marcos Henrique Luciano ; Morais, Ana Rita C. ; da Costa Lopes, Andre M. ; Olekszyszen, Drielly Nayara ; Bogel-Łukasik, Rafał ; Andreaus, Jürgen ; Pereira Ramos, Luiz

ChemSusChem, 2015-10, Vol.8 (20), p.3366-3390 [Periódico revisado por pares]

Germany: Blackwell Publishing Ltd

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  • Título:
    Current Pretreatment Technologies for the Development of Cellulosic Ethanol and Biorefineries
  • Autor: Silveira, Marcos Henrique Luciano ; Morais, Ana Rita C. ; da Costa Lopes, Andre M. ; Olekszyszen, Drielly Nayara ; Bogel-Łukasik, Rafał ; Andreaus, Jürgen ; Pereira Ramos, Luiz
  • Assuntos: Biofuels ; Biomass ; carbohydrates ; Ethanol - chemistry ; Lignin ; Lignin - chemistry ; Lignocellulose ; pretreatment ; Solvents ; sustainable chemistry ; synthesis design
  • É parte de: ChemSusChem, 2015-10, Vol.8 (20), p.3366-3390
  • Notas: CNPq - No. 551404/2010-8; No. 311554/2011-3
    istex:F8F14D0D03555BC462A9D4FBE5DB347C3449989E
    ark:/67375/WNG-CPP425LP-J
    FCT (Portugal) - No. SFRH/BD/90282/2012; No. SFRH/BD/94297/2013; No. IF/00424/2013; No. 155/2012
    Araucaria Foundation - No. 3572013-35356; No. 2742013-35145
    Bilateral Cooperation FCT/CAPES between Brazil and Portugal 2014/2015 - No. FCT/1909/27/2/2014/S; No. CAPES 371/14
    CAPES
    ArticleID:CSSC201500282
    ObjectType-Article-2
    SourceType-Scholarly Journals-1
    ObjectType-Feature-3
    content type line 23
    ObjectType-Review-1
  • Descrição: Lignocellulosic materials, such as forest, agriculture, and agroindustrial residues, are among the most important resources for biorefineries to provide fuels, chemicals, and materials in such a way to substitute for, at least in part, the role of petrochemistry in modern society. Most of these sustainable biorefinery products can be produced from plant polysaccharides (glucans, hemicelluloses, starch, and pectic materials) and lignin. In this scenario, cellulosic ethanol has been considered for decades as one of the most promising alternatives to mitigate fossil fuel dependence and carbon dioxide accumulation in the atmosphere. However, a pretreatment method is required to overcome the physical and chemical barriers that exist in the lignin–carbohydrate composite and to render most, if not all, of the plant cell wall components easily available for conversion into valuable products, including the fuel ethanol. Hence, pretreatment is a key step for an economically viable biorefinery. Successful pretreatment method must lead to partial or total separation of the lignocellulosic components, increasing the accessibility of holocellulose to enzymatic hydrolysis with the least inhibitory compounds being released for subsequent steps of enzymatic hydrolysis and fermentation. Each pretreatment technology has a different specificity against both carbohydrates and lignin and may or may not be efficient for different types of biomasses. Furthermore, it is also desirable to develop pretreatment methods with chemicals that are greener and effluent streams that have a lower impact on the environment. This paper provides an overview of the most important pretreatment methods available, including those that are based on the use of green solvents (supercritical fluids and ionic liquids). Minor adjustments, major effects: Lignocellulosic materials are among the most important resources for biorefineries to provide fuels, chemicals, and materials as substitutes for petrochemistry in modern society. An overview of the most important pretreatment methods available to date, including those that are based on the use of green solvents (supercritical fluids and ionic liquids).
  • Editor: Germany: Blackwell Publishing Ltd
  • Idioma: Inglês
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