METHOD FOR REGENERATING CATALYST FOR OXIDIZING COMPRESSED NATURAL GAS VEHICLE EXHAUST GAS
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Apr 8, 2015
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Apr 28, 2014
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This invention relates to a method of regenerating a deactivated catalyst, which carries precious metal components including platinum and palladium and which is used to purify a gas exhausted from a compressed natural gas lean-burn engine. The method includes creating a reduction atmosphere over the catalyst. The creating the reduction atmosphere over the catalyst includes controlling an air-fuel ratio or directly injecting CNG fuel into the catalyst.
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