ADVANCES IN CATALYSIS AND RELATED SUBJECTS VOLUME 20 EDITED BY D. D. ELEY The Univereity Nottingham, England HERMAN PINES Northweetern University Evanston, Illinoia PAULB. WEISZ Idobil Research and Development Corporation Princelon, New Jersey CURRENT ADVISORY BOARD M. BOUDART Stanford, California P. H. EMMETT Baltimore, Maryland G. NATTA Milano, Italy M. CALVIN Berkeley, California J. HORIUTI Sapporo, Japan E. K. RIDEAL London, England J. H. DE BOER Delft, The Netherlands W. JOST Gottingen, Germany P. W. SELWOOD Santa Barbara, California H. S. TAYLOR Princeton, New Jersey 1969 ACADEMIC PRESS A Subsidiary of Harcourt Brace Jovanovlch. Publishers N e w Vork London Toronto Sydney 8 a n Franoirco COPYRIGHT0 1969, BY ACADEMIC PRESS, INC. ALL RIGHTS RESERVED NO PART OF THIS BOOK MAY BE REPRODUCED IN ANY FORM, BY PHOTOSTAT, MICROFILM, RETRIEVAL SYSTEM, OR ANY OTHER MEANS, WITHOUT WRITTEN PERMISSION FROM THE PUBLISHERS. ACADEMIC PRESS, INC. 111 Fifth Avenue, New York, New York 10003 United Kingdom Edition published by ACADEMIC PRESS INC. (LONDON) LTD. 24/20 Oval Road. London' NWl LIBRARY OF CONGRESSCATALOGCARD NUMBER: 49-7755 PRINTED IN THE UNITED STATES OF AMERICA 80818i 9 8 7 6 5 4 3 2 Contributors Numbers in parentheses indicate the pages on which the author$ contributions begin. MICHEL BUNCHARD,* Faculty of Sciences, University of Lille, Lille, France (267) M. BOUDART, Department of Chemical Engineering, Stanford University, Stanford, California (153) ROBERT L. BURWELL, JH.,The Ipatieff Catalytic Laboratory, Department of Chemistry, Northwestern University, Evanston, Illinoie ( 1) SIDNEYW . Fox, Institute of Molecular Evolution and Biochemistry Department, University of Miami, Coral Cables, Florida (373) JEANEUGENE GERMAIN,? Faculty of Sciences, University of Lille, Lille, France (267) P. C. GRAVELLE,Institut de Recherches sur la Catalyse and Facultd des Sciences de 1’Universitd de Lyon, Villeurbanne, France (167) GARY L. HALLER,The Ipatieff Catalytic Laboratory, Department of Chemistry, Northwestern University, Evanston, Illinois ( 1) FRANKD. MANGO,Shell Development Company, Emeryville, California (291) H. MORAWETZ, Department of Chemistry, Polytechnic Institute of Broohi,?yn, Brooklyn, New York (341) KIYOSHI MORIKAWA,~ The Research Laboratory of Resources Utilization, Tokyo Institute of Technology, Meguroku, Tokyo, Japan (97) MASAHIDE OKADA,5 The Research Laboratory of Resources Utilization, Tokyo Institute of Technology, Meguroku, Tokyo, Japan (97) Y . ONO, Chemistry Department, Princeton University, Princeton, New Jersey (135) JOHNF . READ,The Ipatieff Catalytic Laboratory, Department of Chemistry, Northwestern University, Evanston, Illinois ( 1) * Present address: Facult4 des Sciences, Universitb de Poitiers, France. t Present address: Ecole Supbrieure de Chirnie Industrielle de Lyon, France. $ Present address: Japan Gasoline Co. Ltd., New-Ohternechi Bldg., Ohternachi, Chiyodaku, Tokyo, Japan. 5 Chiba Institute of Technology, Narashino, Chiba Prefecture, Japan; Present address: Faculty of Engineering, Kurnernota University, Kurnarnoto, Japan. V vi CONTRIBUTORS DUANEL. ROHLFING,~ Bioloqy Department, Massachusetts Institute of Technology, Cambridge, Massachusetts (373) TAKAYASU SHIRASAKI, The Research Laboratory of Resources Utilization, Tokyo Institute of Technology, Mequroku, Tokyo, Japan ( 9 7 ) KENZITAMARU, Department of Chemistry, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo (327) KATHLEEN C. TAYLOR, The Ipatieff Catalytic Laboratory, Department of Chemistry, Northwestern University,