Catalyst for producing cycloolefin and method for making the sam

Details Catalyst for producing cycloolefin and method for making the sam Catalyst for producing cycloolefin and method for making the sam

1976-07-01

1977-10-25

Shine, W. J.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252455R, 252455Z, 252457, 252460, 252466B, 252466PT, 252471, 252472, 252473, 252474, B01J 2302, B01J 2334, B01J 2346, B01J 2374

Patent

active

040555127

ABSTRACT:
A catalyst for producing a cyclomonoolefin by hydrogenating an aromatic hydrocarbon of the formula: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are the same or different and each represents hydrogen or C.sub.1 -C.sub.3 alkyl at 100.degree.-200.degree. C under a hydrogen pressure of 5-100 atm. in an aqueous medium having a pH of 2-7 is prepared by (1) immersing a carrier into an aqueous solution containing at least one cation selected from the group consisting of sodium, potassium, magnesium, calcium, barium, zinc, manganese and iron to obtain a treated carrier, (2) supporting at least one metal selected from the group consisting of ruthenium and rhodium on said treated carrier, and (3) immersing the carrier impregnated with at least one metal selected from the group consisting of ruthenium and rhodium into an aqueous solution containing at least one cation selected from the group consisting of sodium, potassium, magnesium, calcium, barium, zinc manganese and iron.

REFERENCES:
patent: 3829514 (1974-08-01), Zuech
patent: 3829516 (1974-08-01), Zuech et al.
patent: 3912787 (1975-10-01), Nowack et al.

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