Process for the production of ethylene glycol through the hydrof

Details Process for the production of ethylene glycol through the hydrof Process for the production of ethylene glycol through the hydrof

1984-04-05

1985-01-29

Evans, J. E.

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

Organic compounds

Oxygen containing

568462, C07C 3120, C07C 2914

Patent

active

044967810

ABSTRACT:
A process for the preparation and purification of a glycol aldehyde intermediate which is later hydrogenated to ethylene glycol is disclosed. The process proceeds via the catalytic reaction of formaldehyde, carbon monoxide and hydrogen and utilizes a novel class of lipophilic rhodium phosphine amide catalysts and an effective solvent mixture, which enables efficient catalyst separation and recycle without the loss of a substantial amount of the expensive catalyst.

REFERENCES:
patent: 4079085 (1978-03-01), Wall
patent: 4144401 (1979-03-01), Wall
patent: 4200765 (1980-04-01), Goetz
patent: 4382148 (1983-05-01), Drent
patent: 4405814 (1983-09-01), Carroll et al.
patent: 4405821 (1983-09-01), Goetz

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