Working up of hydroformylation or carbonylation reaction mixture

Details Working up of hydroformylation or carbonylation reaction mixture Working up of hydroformylation or carbonylation reaction mixture

1981-01-06

1986-02-04

Konopka, P. E.

Catalyst, solid sorbent, or support therefor: product or process

Regenerating or rehabilitating catalyst or sorbent

Gas or vapor treating

502 22, 502 35, 560233, 562522, 568454, 568909, B01J 3140, C07C 4550, C07C 5114, C07C 6738

Patent

active

045686530

ABSTRACT:
Reaction mixtures which are obtained on hydroformylation or carbonylation of olefinically unsaturated compounds and which contain dissolved non-volatile complex compounds of metals of group VIII of the periodic table are worked up by a method wherein the products, after distillative removal of low-boiling constituents alone, or of these constituents plus a part of the high-boiling residue, or a part of the high-boiling residue after distillative removal of the desired products, are or is extracted with carbon dioxide, a C.sub.2 -C.sub.4 -paraffin, a C.sub.2 -C.sub.4 -olefin or a normally gaseous halohydrocarbon at above the critical temperature and above the critical pressure of these (extractant) compounds.

REFERENCES:
patent: 3369050 (1968-02-01), Greene
patent: 3547964 (1970-12-01), Olivier
patent: 3856832 (1974-12-01), Keblys
patent: 3969196 (1976-07-01), Zosel
patent: 4041082 (1977-08-01), Omada et al.
patent: 4166773 (1979-09-01), Higley et al.
patent: 4250331 (1981-02-01), Shimshik

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