Thermally stable ceric oxide-based compositions and process for

Details Thermally stable ceric oxide-based compositions and process for Thermally stable ceric oxide-based compositions and process for

1992-05-29

1994-01-18

Shine, W. J.

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

Catalyst or precursor therefor

Boron or compound containing same

502304, B01J 2102, B01J 2110, B01J 2308, B01J 2310

Patent

active

052800024

ABSTRACT:
Thermally stable ceric oxide-based compositions, well suited as catalysts/catalyst supports for a wide variety of reactions, notably for the catalytic conversion of exhaust gases emanating from internal combustion engines, comprise particulates of immixture of a major amount of ceric oxide with at least one other metal oxide of magnesium, gallium, boron, scandium, or mixture thereof, and having a specific surface greater than 10 m.sup.2 /g after calcination at 800.degree. C.

REFERENCES:
patent: 2525073 (1950-10-01), Kimberlin et al.
patent: 3901947 (1975-08-01), Enomoto et al.
patent: 4714694 (1987-12-01), Wan et al.
Chemical Abstracts, vol. 110, No. 26 (Jun. 26, 1989), Abstract No. 233556r, pp. 43-50, K. Otsuka et al, "Cerium oxide based catalysts active for oxidative coupling of methane".

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