Reactivation of solid oxidation catalysts

Details Reactivation of solid oxidation catalysts Reactivation of solid oxidation catalysts

B - Operations, Transporting

01

J

B01J 38/00 (2006.01)

Patent

CA 2113672

A novel process and chemicals are disclosed for the rejuvenation of oxidation catalysts used to reduce the production of pollutants in the exhaust gas emanating from an internal combustion engine, particularly catalysts used in theconverters of automobiles and other combustion engine powered vehicles. The rejuvenation may be done in place, within minutes, without removing the holding containers or converters or the catalyst from them. The rejuvenation is effectedby treating the used catalyst with an aqueous solution of a peroxide which is decomposable at the temperature of treatment. The concentration of solution, theproportion of solution per unit volume of catalyst and the time of treatment areimportant factors in the effectiveness in regenerating or rejuvenating the catalyst.

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