为什么铑用于汽车三元催化剂?

IF 9.3 2区化学 Q1 CHEMISTRY, PHYSICAL

Catalysis Reviews-Science and Engineering Pub Date : 1994-08-01 DOI:10.1080/01614949408009468

M. Shelef, G. Graham

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引用次数: 450

摘要

自1975年以来，机动车尾气的催化处理已成为美国所有乘用车的一个特点。此后，它已被所有发达国家采用，作为控制由奥托循环内燃机驱动的车辆排放的主要手段。这些汽车包括乘用车、轻型卡车和重型卡车。催化剂已经被开发用于摩托车，甚至更小的发电厂。所谓的三元催化剂(TWC)自1979年车型年以来一直在使用。这个名字反映了这种催化剂同时处理两种还原性污染物，一氧化碳和未燃烧的碳氢化合物，以及氧化性污染物，氮氧化物。

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Why Rhodium in Automotive Three-Way Catalysts?

Abstract The catalytic treatment of motor vehicle exhaust gas has been a feature of all passenger cars in the USA since the 1975 model year. It has since been adopted in all the developed countries as the principal means of con-trolling the emissions from vehicles powered by Otto-cycle internal com-bustion engines. These include passenger cars, light trucks, and heavy-duty trucks. Catalysts have been developed for motorcycles and even smaller power plants. The so-called three-way catalyst (TWC) has been in use since the 1979 model year. The name reflects the simultaneous treatment by this catalyst of the two reducing pollutants, carbon monoxide and uncombusted hydrocarbons, and the oxidizing pollutant, oxides of nitrogen.

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来源期刊

Catalysis Reviews-Science and Engineering 化学-物理化学

CiteScore

22.30

自引率

2.80%

发文量

期刊介绍： Catalysis Reviews is dedicated to fostering interdisciplinary perspectives in catalytic science and engineering, catering to a global audience of industrial and academic researchers. This journal serves as a bridge between the realms of heterogeneous, homogeneous, and bio-catalysis, providing a crucial and critical evaluation of the current state of catalytic science and engineering. Published topics encompass advances in technology and theory, engineering and chemical aspects of catalytic reactions, reactor design, computer models, analytical tools, and statistical evaluations.