Preparation of a Pt-Rh Close Coupled Catalyst and Its Catalytic Performance for Controlling AutomobileExhaust Emission

Abstract

Abstract: A noble Pt-Rh close coupled catalyst supported on a novel high surface area alumina was prepared to control the exhaust gas emission of automobiles. The results indicated that the prepared catalyst has good activity at low temperature and good stability at high temperature, which can satisfy the requirements of a high performance close coupled catalyst.

Key words: platinum, rhodium, close coupled catalyst, cold start, exhaust gas

SHI Zhonghua, GONG Maochu, CHEN Yaoqiang. Preparation of a Pt-Rh Close Coupled Catalyst and Its Catalytic Performance for Controlling AutomobileExhaust Emission[J]. Chinese Journal of Catalysis, 2006, 27(8): 647-649.

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https://www.cjcatal.com/EN/Y2006/V27/I8/647

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Preparation of a Pt-Rh Close Coupled Catalyst and Its Catalytic Performance for Controlling AutomobileExhaust Emission

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