Production of levulinic acid, furfural, and gamma valerolactone from C.sub.5 and C.sub.6 carbohydrates in mono- and biphasic systems using gamma-valerolactone as a solvent
Patent
·
OSTI ID:1083032
A method to make levulinic acid (LA), furfural, or gamma-valerolactone (GVL). React cellulose (and/or other C.sub.6 carbohydrates) or xylose (and/or other C.sub.5 carbohydrates) or combinations thereof in a monophasic reaction medium comprising GVL and an acid; or (ii) a biphasic reaction system comprising an organic layer comprising GVL, and a substantially immiscible aqueous layer. At least a portion of the cellulose (and/or other C.sub.6 carbohydrates), if present, is converted to LA and at least a portion of the xylose (and/or other C.sub.5 carbohydrates), if present, is converted into furfural.
- Research Organization:
- DOESC (USDOE Office of Science (SC) (United States))
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- FC02-07ER64494
- Assignee:
- Wisconsin Alumni Research Foundation (Madison, WI)
- Patent Number(s):
- 8,399,688
- Application Number:
- 13/445,643
- OSTI ID:
- 1083032
- Country of Publication:
- United States
- Language:
- English
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