NDLI: Development of an integrated approach for α-pinene recovery and sugar production from loblolly pine using ionic liquids

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Development of an integrated approach for α-pinene recovery and sugar production from loblolly pine using ionic liquids

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Development of an integrated approach for α-pinene recovery and sugar production from loblolly pine using ionic liquids

Content Provider	Royal Society of Chemistry (RSC)
Author	Konda, N. V. S. N. Murthy Peter, Gary F. Keasling, Jay D. Tran, Kim Simmons, Blake A. Papa, Gabriella Kirby, James Singh, Seema
Copyright Year	2017
Abstract	In the southeastern US, loblolly pine (Pinus taeda L.) is widely used as a feedstock in the wood, pulp and paper industry. In loblolly pine, the oleoresin is composed of terpenes and has long been a valuable source for a variety of chemicals, and has recently attracted interest from a biofuel perspective for the production of advanced cellulosic biofuels. To date, there have been very few examples where a single conversion process has enabled recovery of both terpenes and fermentable sugars in an integrated fashion. We have used the ionic liquid (IL), 1-ethyl-3-methylimidazolium acetate [C2C1Im][OAc] at 120 °C and 160 °C in conjunction with analytical protocols using GC-MS, to extract α-pinene and simultaneously pretreat the pine to generate high yields of fermentable sugars after saccharification. Compared to solvent extraction, the IL process enabled higher recovery rates for α-pinene, from three tissues type of loblolly pine, i.e. pine chips from forest residues (FC), stems from young pine (YW) and lighter wood (LW), while also generating high yields of fermentable sugars following saccharification. We propose that this combined terpene extraction/lignocellulose pretreatment approach may provide a compelling model for a biorefinery, reducing costs and increasing commercial viability. Our preliminary techno-economic analysis (TEA) revealed that the α-pinene recovery based on hexane extraction after IL pretreatment could reduce the minimum ethanol selling price (MESP) of ethanol generated from fermentation of sugars recovered from pine by $0.6–1.0 per gal.
Starting Page	1117
Ending Page	1127
Page Count	11
File Format	HTM / HTML PDF
ISSN	14639262
Volume Number	19
Issue Number	4
Journal	Green Chemistry
DOI	10.1039/c6gc02637k
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	FC US Pinus taeda Pine Wood Resin Biofuel Ionic liquid Gas chromatography\u2013mass spectrometry Alpha-Pinene Hydrolysis Liquid\u2013liquid extraction Terpene Lignocellulosic biomass Biorefinery Hexane Ethanol Fermentation Gallon
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Pollution

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ETHANOL PRODUCTION FROM SUGAR LIBERATED FROM Pinus SP. AND Eucalyptus SP. BIOMASS PRETREATED BY IONIC LIQUIDS

Loblolly pine (Pinus taeda)

Comparative mapping in Pinus: sugar pine (Pinus lambertiana Dougl.) and loblolly pine (Pinus taeda L.)

Natural Grasslands as Lignocellulosic Biofuel Resources: Factors Affecting Fermentable Sugar Production

Ionic liquids in the pretreatment of lignocellulosic biomass

Seasonal ectomycorrhizal fungal biomass development on loblolly pine (Pinus taeda L.) seedlings

Silvical characteristics of loblolly pine (Pinus taeda L.)

Chemical and Structural Characterizations of Juvenile Wood, Mature Wood, and Compression Wood of Loblolly Pine (Pinus taeda)

Loblolly Pine (Pinus taeda)

Development of an integrated approach for α-pinene recovery and sugar production from loblolly pine using ionic liquids

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