Issue 5, 2013
From the journal:

Green Chemistry

Acid enhanced ionic liquid pretreatment of biomass†

Dan Groff,a   Anthe George,ab   Ning Sun,a   Noppadon Sathitsuksanoh,a   Gregory Bokinsky,a   Blake A. Simmons,ab   Bradley M. Holmes*ab  and  Jay D. Keasling*ac  

* Corresponding authors

a Joint BioEnergy Institute, Emeryville, California, USA
E-mail: jdkeasling@lbl.gov, bradley.m.holmes@gmail.com

b Sandia National Laboratories, P.O. Box 969, Livermore, California, USA

c Department of Bioengineering and Department of Chemical & Biomolecular Engineering, University of California, Berkeley, California 94720, USA

Abstract

Acid enhanced ionic liquid pretreatment is a promising method for boosting the yield of sugars produced from purified cellulose. Acid enhancement significantly increases the yields of sugars from the lignocellulosic feedstock switchgrass. The addition of Amberlyst 15, a protic acid resin, to the ionic liquid pretreatment of switchgrass boosted the yield of sugar up to ten times, decreased the amount of cellulase required for saccharification and increased the biocatalytic conversion of switchgrass into free fatty acids 10-fold to 22% of the theoretical yield.

Graphical abstract: Acid enhanced ionic liquid pretreatment of biomass

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Article information

DOI
https://doi.org/10.1039/C3GC37086K
Article type
Paper
Submitted
20 Dec 2012
Accepted
07 Mar 2013
First published
20 Mar 2013

Green Chem., 2013,15, 1264-1267

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Acid enhanced ionic liquid pretreatment of biomass

D. Groff, A. George, N. Sun, N. Sathitsuksanoh, G. Bokinsky, B. A. Simmons, B. M. Holmes and J. D. Keasling, Green Chem., 2013, 15, 1264 DOI: 10.1039/C3GC37086K

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