Catalysts with support coatings having increased macroporosity a

Details Catalysts with support coatings having increased macroporosity a Catalysts with support coatings having increased macroporosity a

1984-01-10

1988-07-12

Shine, W. J.

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

Catalyst or precursor therefor

Silicon containing or process of making

502261, 502325, 502328, 502332, 502333, 502334, 4232135, B01J 2104, B01J 2106, B01J 2340, B01J 2358

Patent

active

047570458

ABSTRACT:
A catalyst composition comprises a carrier having a refractory metal oxide support coating thereon and a catalytic platinum group metal dispersed on the support coating. A major portion of the support coating is comprised of a conventional, first metal oxide such as stabilized gamma alumina and a minor portion is provided by a macroporous, second metal oxide such as cordierite. The second metal oxide is conveniently provided by comminuting finished catalyst production scrap. In the method of the invention particles of the first metal oxide are combined with particles of the second metal oxide to form the coating.

REFERENCES:
patent: 3565830 (1971-02-01), Keith et al.
patent: 4157316 (1979-06-01), Thompson et al.
patent: 4171287 (1979-10-01), Keith

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