Electrogenerative oxidation of lower alcohols to useful products

Details Electrogenerative oxidation of lower alcohols to useful products Electrogenerative oxidation of lower alcohols to useful products

1986-05-01

1987-03-10

Andrews, R. L.

Chemistry: electrical and wave energy

Processes and products

204DIG4, 429 19, 429 27, C25F 302

Patent

active

046489487

ABSTRACT:
In the disclosed electrogenerative process for converting alcohols such as ethanol to aldehydes such as acetaldehyde, the alcohol starting material is an aqueous solution containing more than the azeotropic amount of water. Good first-pass conversions (<40% and more typically <50%) are obtained at operating cell voltages in the range of about 80 to about 350 millivolts at ordinary temperatures and pressures by using very high flow rates of alcohol to the exposed anode surface (i.e. the "gas" side of an anode whose other surface is in contact with the electrolyte). High molar flow rates of vaporized aqueous alcohol also help to keep formation of undesired byproducts at a low level.

REFERENCES:
patent: 4569890 (1986-02-01), Barthel

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