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EXHAUST GAS CLEANING MATERIAL

2025-07-27 04:343430下载
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PROBLEM TO BE SOLVED : To provide an exhaust gas cleaning material burnt approximately at the temperature of an exhaust gas without providing an additional heating means, and prevented from cracks or melting loss due to a high temperature generated by combustion of accumulated particulate for excellent thermal shock resistance, in the exhaust gas cleaning material for burning and cleaning the particulate in a diesel exhaust gas. SOLUTION : The surface of a metal filter 1 carries an exhaust gas cleaning catalyst composed of an inorganic oxide, a rare earth oxide, an alkali metal sulfate, and a precious metal, so that the exhaust gas cleaning material having high thermal shock resistance and high combustion activity to the particulate is obtained. COPYRIGHT : (C)2006, JPO&NCIPI


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