Lignocellulosic ethanol production: Evaluation of new approaches, cell immobilization and reactor configurations

Pınar Karagoz, Roslyn M. Bill, Melek Ozkan*

*Corresponding author for this work

Research output: Contribution to journalReview article

Abstract

The environmentally-friendly, economically-viable production of ethanol from cellulosic biomass remains a major contemporary challenge. Much work has been done on the disruption of cellulosic biomass structure, the production of enzymes for the conversion of cellulose and hemicellulose into simple sugars that can be fermented by bacteria or yeast, and the metabolic engineering of ethanol-producing microbes. The results of these studies have enabled the transition from laboratory to industrial scale of cellulosic ethanol production. Notably, however, current processes use free microbial cells in batch reactors. This review highlights the advantages of using immobilized and co-immobilized cells together with continuous bioreactor configurations. These developments have the potential to improve both the yield and the green credentials of cellulosic ethanol production in modern industrial settings.

Original languageEnglish
Pages (from-to)741-752
Number of pages12
JournalRenewable energy
Volume143
Early online date15 May 2019
DOIs
Publication statusPublished - 1 Dec 2019

Bibliographical note

© 2019, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0

Keywords

  • Cellulosic ethanol
  • Co-fermentation
  • Fermentation
  • Immobilization
  • Immobilized cell reactors

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