Method, catalyst and photocatalyst for the destruction of...

Details Method, catalyst and photocatalyst for the destruction of... Method, catalyst and photocatalyst for the destruction of...

B - Operations, Transporting

01

J

B01J 21/06 (2006.01) B01D 53/32 (2006.01) B01D 53/86 (2006.01) B01J 19/12 (2006.01) B01J 21/18 (2006.01) B01J 23/885 (2006.01) B01J 35/00 (2006.01)

Patent

CA 2344780

In accordance with the present invention, a catalyst is described which comprises at least one metal selected from the group consisting of copper, zinc, iron, tungsten, molybdenum, and chromium distributed over a catalyst support comprising a material containing at least one of silicon, titanium, zirconium, magnesium, aluminum, and activated carbon. The catalyst is used to remove phosgene from a contaminated gas stream and/or reduce or eliminate phosgene from an effluent of a previously treated gas stream. At least one metal in the catalyst of the present invention is preferably present in an amount from about 0.001 wt% to about 15 wt%. When more than one metal is present, the combined metals preferably do not exceed 20 wt%. Catalysts in accordance with the present invention may be used as photocatalysts. Processes for using the catalysts and photocatalysts of the present invention are also described.

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