Process operations for biomass fractionation

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United States of America Patent

PATENT NO 9863090
APP PUB NO 20160002851A1
SERIAL NO

14770286

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Abstract

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There is described a method of fractionating a biomass material comprising: (i) blending the biomass material with an acid catalyst to form a slurry; (ii) mixing the slurry with an organosolv reagent optionally under an inert atmosphere to form a pre-treatment mix; (iii) subjecting the pre-treatment mix to sonication; (iv) optionally heating the product of step (iii) in an autoclave under pressure; (v) separating the solid and liquid components of the fractionation mix; (vi) optionally washing the solid; (vii) optionally drying the solid component; (viii) separating the liquid component into organic and aqueous components; and (ix) isolating lignin from the organic component and/or isolating hemi-cellulose from the aqueous component.

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Patent Owner(s)

Patent OwnerAddress
BIO-SEP LIMITEDHIGH WYCOMBE BUCKINGHAMSHIRE HP10 0NH

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Anderson, Nigel Donald Buckinghamshire, GB 2 4
Day, Kenneth John Coryton Buckinghamshire, GB 2 4
Drage, Geoffrey Nicholas Buckinghamshire, GB 2 4
Gates, Malcolm Gilbert Buckinghamshire, GB 2 4
Leahy, Patrick Buckinghamshire, GB 10 3050
McGarel-Groves, Anthony Robin Buckinghamshire, GB 2 4

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