Preparation and use of Pt/zeolite catalyst materials for removin

Details Preparation and use of Pt/zeolite catalyst materials for removin Preparation and use of Pt/zeolite catalyst materials for removin

1997-02-21

1999-09-21

Langel, Wayne

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

Zeolite or clay, including gallium analogs

And group viii containing

423246, B01J 29068

Patent

active

059553952

ABSTRACT:
The invention relates to a process for preparing a Pt/zeolite catalyst material, the material itself, and the use of the material in removing carbon monoxide from a gas. In a preferred embodiment, the invention relates to a process for preparing a Pt/zeolite catalyst material for the catalytic removal of CO in H.sub.2 -rich gas by means of selective CO oxidation and the use of such a catalyst material. The catalyst materials of the invention can be prepared by employing Pt(NH.sub.3).sub.4 Cl.sub.2.H.sub.2 O and a zeolite material. The resulting material can be used for the catalytic removal of CO from an H.sub.2 -rich outlet gas mixture from a methanol reforming reactor. The compositions and methods to produce catalytic materials result in products with high and prolonged catalyst activity. In particular, the methods and compositions of the invention can be used in removing CO from the hydrogen fed to fuel cells in electric vehicles having stored methanol fuel.

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patent: 5416052 (1995-05-01), De Agudelo et al.
patent: 5434114 (1995-07-01), Weitkamp et al.
Patent Abstract of JP 5317722, Patent date: Dec. 3, 1993.

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