Lignocellulosic ethanol production at high-gravity: Challenges and perspectives
Artikel i vetenskaplig tidskrift, 2014

In brewing and ethanol-based biofuel industries, high-gravity fermentation produces 10-15% (v/v) ethanol, resulting in improved overall productivity, reduced capital cost, and reduced energy input compared to processing at normal gravity. High-gravity technology ensures a successful implementation of cellulose to ethanol conversion as a cost-competitive process. Implementation of such technologies is possible if all process steps can be performed at high biomass concentrations. This review focuses on challenges and technological efforts in processing at high-gravity conditions and how these conditions influence the physiology and metabolism of fermenting microorganisms, the action of enzymes, and other process-related factors. Lignocellulosic materials add challenges compared to implemented processes due to high inhibitors content and the physical properties of these materials at high gravity. © 2013 Elsevier Ltd.

Lignocellulosic ethanol

High solids content

High gravity

High dry matter content

Författare

Rakesh Koppram

Chalmers, Kemi- och bioteknik, Industriell Bioteknik

Elia Tomas-Pejo

Chalmers, Kemi- och bioteknik, Industriell Bioteknik

Charilaos Xiros

Chalmers, Kemi- och bioteknik, Industriell Bioteknik

Lisbeth Olsson

Wallenberg Wood Science Center (WWSC)

Chalmers, Kemi- och bioteknik, Industriell Bioteknik

Trends in Biotechnology

0167-7799 (ISSN)

Vol. 32 1 46-53

Drivkrafter

Hållbar utveckling

Styrkeområden

Energi

Livsvetenskaper och teknik

Ämneskategorier

Bioenergi

DOI

10.1016/j.tibtech.2013.10.003

Mer information

Senast uppdaterat

2018-08-27