Process for the removal of an impurity contained in a composite

Details Process for the removal of an impurity contained in a composite Process for the removal of an impurity contained in a composite

1996-01-24

1997-12-02

Jones, Deborah

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Carbon monoxide component

423248, 423351, C01B 3118

Patent

active

056933029

ABSTRACT:
A process for the substantial removal of at least one of the carbon monoxide and hydrogen impurities contained in a composite gas, according to which:
(a) at least one of the carbon monoxide and hydrogen impurities contained in the composite gas are reacted with oxygen, in contact with a catalyst comprising particles of at least one metal chosen from the group consisting of gold and palladium, these particles being supported by titanium dioxide, in order respectively to form carbon dioxide and water;
(b) optionally, the carbon dioxide and the water formed are removed from the composite gas;
(c) the composite gas, substantially free of its carbon monoxide and/or hydrogen impurities, is recovered.

REFERENCES:
patent: 4136062 (1979-01-01), Boudart et al.
patent: 5238670 (1993-08-01), Louise et al.
Y. Chen et al., "Catalyst for Removal of Hydrogen and Oxygen from Inert Gases", Chemical Abstracts, vol. 107, No. 20, Nov. 1987, p. 211.

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