Imperial College London

Dr Florence Gschwend

Faculty of EngineeringDepartment of Chemical Engineering

Honorary Research Fellow
 
 
 
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Contact

 

f.gschwend12 Website

 
 
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Location

 

329Bone BuildingSouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@inbook{Gschwend:2017:10.1021/bk-2017-1250.ch009,
author = {Gschwend, FJV and Brandt-Talbot, A and Chambon, CL and Hallett, JP},
booktitle = {Ionic Liquids: Current State and Future Directions},
doi = {10.1021/bk-2017-1250.ch009},
editor = {Shiflett and Scurto},
pages = {209--223},
publisher = {American Chemical Society},
title = {Ultra-Low Cost Ionic Liquids for the Delignification of Biomass},
url = {http://dx.doi.org/10.1021/bk-2017-1250.ch009},
year = {2017}
}

RIS format (EndNote, RefMan)

TY  - CHAP
AB - Low-cost pretreatment of lignocellulosic biomass is an essential next step toward large-scale deployment as renewable liquid fuels, materials or chemicals. Ionic liquids (ILs) are highly effective at pretreatment, but high IL cost has hindered commercial viability. We have recently developed low-cost (ca. $1/kg) ILs, such as triethylammonium hydrogen sulphate, for pretreatment. In this chapter we discuss the fractionation of the grass Miscanthus x giganteus, wherein we deconstruct the lignocellulosic matrix into a cellulose-rich pulp, a recovered lignin fraction and an organic distillate. More than 80% of the lignin and quantitative hemicelluloses are removed during extraction. This results in 70-90% glucose release during enzymatic saccharification. The IL can also be successfully recovered and reused, with >99% IL recovery and minimal effects on efficiency of extraction. A detailed mass balance of all components and subsequent economic analysis revealed this efficient pretreatment with an ultra-low cost IL could result in an economically viable pretreatment process.
AU - Gschwend,FJV
AU - Brandt-Talbot,A
AU - Chambon,CL
AU - Hallett,JP
DO - 10.1021/bk-2017-1250.ch009
EP - 223
PB - American Chemical Society
PY - 2017///
SN - 9780841232136
SP - 209
TI - Ultra-Low Cost Ionic Liquids for the Delignification of Biomass
T1 - Ionic Liquids: Current State and Future Directions
UR - http://dx.doi.org/10.1021/bk-2017-1250.ch009
ER -