Catalysis

Details Catalysis Catalysis

1978-01-25

1980-10-14

Thomas, Earl C.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

4232135, 423351, 423594, B01D 5334

Patent

active

042281385

ABSTRACT:
This invention relates to the purification of air and other gaseous media. In particular the invention is concerned with the decomposition of one or more of the oxides of nitrogen which may be present in a gas stream also containing gaseous compounds such as carbon monoxide and hydrocarbons. In certain cases, the gas stream may contain a stoichiometric excess of oxygen or an oxidizing agent.
The catalyst used in the process of the invention is a mixed oxide of iron and cobalt selected from the group consisting of

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patent: 3686374 (1972-08-01), Dean et al.
patent: 3773894 (1973-11-01), Bernstein et al.
patent: 3839224 (1974-10-01), Yonehara et al.
patent: 3883444 (1975-05-01), Maselli et al.
patent: 3888792 (1975-06-01), Hughes
patent: 3923696 (1975-12-01), Chart et al.
patent: 3953575 (1976-04-01), Gidaspow et al.
patent: 3957691 (1976-05-01), Adachi et al.

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