Process for producing acetone from bioethanol

Details Process for producing acetone from bioethanol Process for producing acetone from bioethanol

2011-07-05

2011-07-05

Witherspoon, Sikarl (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

Reexamination Certificate

active

07973199

ABSTRACT:
The present invention provides a technique for producing acetone in a high yield from hydrated ethanol derived from biomass, without requiring a large amount of energy. Hydrated ethanol derived from biomass is heated to a reaction temperature of 400° C. or higher in the presence of a Zr—Fe catalyst, thereby producing acetone. The reaction temperature is preferably from 450 to 550° C., and the Zr—Fe catalyst preferably contains 5 to 10% by mass of Zr. The present invention allows purification of hydrated acetone without requiring purification of the hydrated ethanol.

REFERENCES:
patent: 59-092023 (1984-05-01), None
patent: 07-053433 (1995-02-01), None
patent: 2001-276615 (2001-10-01), None
patent: 2004-208667 (2004-07-01), None
Nakajima et al. A Highly Active and Highly Selective Oxide Catalyst for the Conversion of Ethanol to Acetone in the Presence of Water Vapour. Journal of Materials Chemistry, 1994, vol. 4 (6), 853-858.

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