The Catalytic Chemistry Of Nitrogen Oxides: Proceedings Of The Symposium On The Catalytic Chemistry Of Nitrogen Oxides Held At The General Motors Research Laboratories, Warren, Michigan, October 7–8, 1974

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This book contains the papers and discussions from the sympo!,ium on "The Catalytic Chemistry of Nitrogen Oxides" held at the General Motors Research Laboratories on October 7-8, 1974. This symposium is the eighteenth in the annual series presented by the Research Laboratories. The topics for these symposiums have covered a broad range. Each topic was selected to be of intense current interest and of significant technical importance. There is no question that the subject of the 1974 Symposium satisfies these two criteria. The control of automotive nitrogen oxides has been perhaps the most difficult and controversial area of automotive emissions both in terms of what is necessary and in terms of what is technically feasible. This area has been a source of considerable discussion not only in the technical community but also in governments both in the U. S. and abroad. This meeting brought together scientists working in surface chemistry with engineers working on system design. It also brought together representatives of government, academia and industry. We feel that an important side benefit of the meeting was the improved understanding that was developed between these groups. Participants came from Europe and Japan as well as Canada and the United States. The technical papers spanned the range from fundamental interactions of NO on surfaces through bench scale kinetic and mechanistic studies and ended with catalytic applications. Although the emphasis was on automotive NO removal, stack gas NO x x control was also covered.


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THE CATALYTIC CHEMISTRY OF NITROGEN OXIDES PUBLISHED SYMPOSIA Held at the General Motors Research Laboratories Warren, Michigan Friction and Wear, 1959 Robert Davies, Editor Internal Stresses and Fatigue in Metals, 1959 Gerald M. Rassweiler and William L. Grube, Editors Theory of Traffic Flow, 1961 Robert Herman, Editor Rolling Contact Phenomena, 1962 Joseph B. Bidwell, Editor Adhesion and Cohesion, 1962 Philip Weiss, Editor Cavitation in Real Liquids, 1964 Robert Davies, Editor Liquids: Structure, Properties, Solid Interactions, 1965 Thomas J. Hughel, Editor Approximation of Functions, 1965 Henry L. Garabedian, Editor Fluid Mechanics of Internal Flow, 1967 Gino Sovran, Editor Ferroelectricity, 1967 Edward F. Weller, Editor Interface Conversion for Polymer Coatings, 1968 Philip Weiss and G. Dale Cheever, Editors Associative Information Techniques, 1971 Edwin L. Jacks, Editor Chemical Reactions in the Urban Atmosphere, 1971 Charles S. Tuesday, Editor The Physics of Opto-Electronic Materials, 1971 Walter A. Albers, Jr., Editor Emissions From Continuous Combustion Systems, 1972 Walter Cornelius and William G. Agnew, Editors Human Impact Response, Measurement and Simulation, 1973 William F. King and Harold J. Mertz, Editors The Physics of Tire Traction, Theory and Experiment, 1974 Donald F. Hays and Alan L. Browne, Editors The Catalytic Chemistry of Nitrogen Oxides, 1975 Richard L. Klimisch and John G. Larson, Editors THE CATALYTIC CHEMISTRY OF NITROGEN OXIDES Edited by RICHARD L. KLIMISCH and JOHN G. LARSON General Motors Research Laboratories PLENUM PRESS. NEW YORK - LONDON • 1a:: 5.0 12z 4.0 ~ 3.0 > l5 9 UJ ...J '" '" '" '" '" ' - - RUN 29 (RAS SURFACE) 0 0 A A UJ 0 A 0 0 0 2.0 a. 0 0 RUN 30 iOAS SURFACE) :. ~ 1.0 '" 16 '" '" A 32 TIME (MINUTES) 48 Fig. 1. Reduction of nitric ox