CATALYST FOR HYDROGENATION OF UNSATURATED AND AROMATIC HYDROCARBONS AND A METHOD OF ITS PREPARING Russian patent published in 1995 - IPC

Abstract RU 2043147 C1

FIELD: catalytic chemistry. SUBSTANCE: catalyst has 0.01-0.6 wt.-% palladium or platinum on aluminium carrier. The latter is oxidized preliminary, then platinum or palladium is applied by immersing in the aqueous solution of ammoniacal complex of metal to be precipitated at pH 8.8-12.5. Process is carried out at 170-210 C in the closed volume for 90-150 min. Complex content in the solution must be: 0.00005-0.003 mole/l for platinum complex and 0.00008-0.005 mole/l for palladium complex at the ratio of granulated aluminium and solution volume (1:13)-(1:15). EFFECT: improved method of catalyst preparing. 3 cl, 2 tbl

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RU 2 043 147 C1

Authors

Mal'Chikov G.D.

Kamenskij A.A.

Timofeev N.I.

Ryzhikov V.G.

Tarasov V.I.

Shalimova L.V.

Rasshchepkina N.A.

Dates

1995-09-10Published

1992-07-10Filed