Method for the production of acetaldehyde from ethylene and...

Details Method for the production of acetaldehyde from ethylene and... Method for the production of acetaldehyde from ethylene and...

2007-01-25

2008-03-04

Witherspoon, Sikarl A. (Department: 1621)

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

Organic compounds

Oxygen containing

C568S475000

Reexamination Certificate

active

07339084

ABSTRACT:
A single-stage method for the oxidation of ethylene to acetaldehyde in the presence of an aqueous catalyst solution comprising copper chloride and palladium chloride under maintenance of the circulation of the aqueous catalyst solution in a recycle reactor, comprised of a reactor and a mist trap and which includes an externally applied thermal insulation.

REFERENCES:
patent: 6140544 (2000-10-01), Rinne et al.
patent: 6478851 (2002-11-01), Berwe et al.
patent: 2002/0087032 (2002-07-01), Berwe
patent: 25 21 092 (1976-11-01), None
patent: 2003002860 (2003-08-01), None
Ullmann 1974 “Acetaldehyd” Band 7 pp. 18-19.

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