Process for improving the performance of a catalyst for the prod

Details Process for improving the performance of a catalyst for the prod Process for improving the performance of a catalyst for the prod

1988-01-15

1989-06-06

Shine, W. J.

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

Catalyst or precursor therefor

Metal, metal oxide or metal hydroxide

549534, B01J 2104, B01J 2304, B01J 2350

Patent

active

048371947

ABSTRACT:
The performance of a catalyst for the oxidation of alkenes to alkylene oxides which comprises silver on alpha alumina is improved by introducing an alkali metal selected from lithium, sodium, rubidium and/or potassium to the catalyst in a ratio of one part chemically absorbed to at most three parts physically absorbed by impregnation with a solution of an alkali metal compound in a solvent which has dielectric constant of at most 8.

REFERENCES:
patent: 4033903 (1977-07-01), Maxwell
patent: 4186106 (1980-01-01), Rebsdat et al.
patent: 4207210 (1980-06-01), Kilty
patent: 4406820 (1983-09-01), Busse
patent: 4419276 (1983-12-01), Bhasin et al.
Alkalidotierung bei Heterogenkatalysatoren (pp. 31-32 translated) Dr. Wolf Dieter Mross, BMFT-FB-T 83-174.

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