Rhodium catalyst regeneration by carbon monoxide treatment

Details Rhodium catalyst regeneration by carbon monoxide treatment Rhodium catalyst regeneration by carbon monoxide treatment

1978-12-11

1980-09-30

Konopka, P. E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

252411R, 252414, C07C 2706, B01J 3140, B01J 2396

Patent

active

042255309

ABSTRACT:
This invention relates to the continuous production of alkane polyols by the reaction of hydrogen and CO in a homogeneous liquid phase mixture containing a rhodium carbonyl complex catalyst, the mole ratio of H.sub.2 /CO in the reactant gas being above about 0.1, wherein the improvement comprises periodically lowering the H.sub.2 /CO mole ratio in the reactant gas to about 0.1 or less and thereafter increasing the H.sub.2 /CO mole ratio to about its former value.

REFERENCES:
patent: 3833634 (1974-09-01), Pruett et al.
patent: 4131640 (1978-12-01), von Kutepow et al.

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