NDLI: Scale-Up of Ionic Liquid-Based Fractionation of Single and Mixed Feedstocks

Content Provider	Springer Nature Link
Author	Li, Chenlin Tanjore, Deepti He, Wei Wong, Jessica Gardner, James L. Thompson, Vicki S. Yancey, Neal A. Sale, Kenneth L. Simmons, Blake A. Singh, Seema
Copyright Year	2015
Abstract	Lignocellulosic biorefineries have tonnage and throughput requirements that must be met year round, and there is no single feedstock available in any given region that is capable of meeting the price and availability demands of the biorefineries. Ionic liquid (IL) pretreatment with certain ILs is receiving significant attentions as a potential process that enables fractionation of a wide range of feedstocks and produces high yields of fermentable sugars suitable for biofuel production. Building on the large-scale demonstration of a single herbaceous feedstock (switchgrass), this work extends scale-up of IL pretreatment to woody (eucalyptus) and mixed feedstock (mixtures of two) by 30-fold, relative to the bench scale (6 vs 0.2 L) at 10 % solid loading. The mixed feedstock recovered similar yields of glucan (99.7 %), xylan (62.8 %), and lignin (59.9 %) as switchgrass and eucalyptus at 6-L scale operation, and results of all three feedstocks are better than those obtained from small-scale studies. By integrating the process of IL pretreatment with efficient and scalable homogenization, washing, and product recovery system, IL contents in the recovered materials were decreased to 0.2 %, mitigating the risk to downstream enzymatic saccharification and microbial fermentation. Results indicate that mixed feedstock are viable and valuable resource to consider when assessing biomass availability and affordability for lignocellulosic biorefineries. This scale-up evaluation demonstrates that IL pretreatment technology is feedstock agnostic and can be effectively scaled to larger operations.
Starting Page	982
Ending Page	991
Page Count	10
File Format	PDF
ISSN	19391234
Journal	BioEnergy Research
Volume Number	8
Issue Number	3
e-ISSN	19391242
Language	English
Publisher	Springer US
Publisher Date	2015-02-17
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Biomass pretreatment Scale-up Ionic liquid pretreatment Mixed feedstocks Plant Sciences Plant Genetics & Genomics Plant Breeding/Biotechnology Plant Ecology Wood Science & Technology
Content Type	Text
Resource Type	Article
Subject	Renewable Energy, Sustainability and the Environment Agronomy and Crop Science

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