Apparatus for purifying exhaust waste gases

Details Apparatus for purifying exhaust waste gases Apparatus for purifying exhaust waste gases

1973-07-02

1976-07-13

Volk, Morris O.

Chemistry: physical processes

Physical processes

Crystallization

23288F, 23288FB, F01N 315, F01N 704

Patent

active

039690822

ABSTRACT:
An apparatus for purifying exhaust waste gases including a catalytic element comprising a substrate of metal carrying a surface layer compatible with and supporting a coating of catalytic material, a major proportion of the surface coating of catalytic material comprising an unagglomerated atomic dispersion. An example of such a substrate is an aluminum bearing ferritic steel which has been heat treated in air to form an essentially alumina surface layer.

REFERENCES:
patent: 3208131 (1965-09-01), Ruff et al.
patent: 3259454 (1966-07-01), Michalko
patent: 3362783 (1968-01-01), Leak
patent: 3410651 (1968-11-01), Brandenburg et al.
patent: 3471413 (1969-10-01), Hervert
patent: 3773894 (1973-11-01), Bernstein et al.
"Rare Earth Elements", Encyclopedia of Chem. Tech. Kirk-Othmer, vol. 17, pp. 160-161, 1968 (2nd Edition).

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