Photooxidation of light alkanes over alkali-ion-modified vanadium catalysts

Photooxidation of light alkanes over alkali-ion-modified vanadium catalysts Res. Chem. Intermed., Vol. 24, No. 3, pp. 309-327 (1998) 9 VSP 1998 PHOTOOXIDATION OF LIGHT ALKANES OVER ALKALI-ION-MODIFIED VANADIUM CATALYSTS S. YOSHIDA*, S. TAKENAKA and T. TANAKA Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Sakyo-ku, Kyoto, 606-01, Japan Received I 1 September 1997; accepted 4 November 1997 CONTENTS l, Introduction Ii, Experimental Procedures IIi. Effect of Alkali Ions en the Photoabsorption and Emission IV. Photooxldation of Propane and 2-Methy/propane V. Structure of Active Species in the Modified Catalysts Electronic States of Active Species VI. VII. intermediates VIIi. Conclusion L INTRODUCTION The selective conversion of light alkanes is of current interest from both the scientific and industrial viewpoints; the challenges include difficult activation of saturated C-H bonds and utilization of the abundant resource of liquefied petroleum gas (LPG) containing mainly propane and butanes. With this regard, oxidative dehydrogenation of propane to produce propene [ 1 and ] aromatization of propane [2] have been investigated widely. It has been attempted to synthesize butenes and butadiene from n - butane over V-Mg-O catalysts [3] and maleic anhydride from n- butane over V-P-O catalysts [4]. In these reactions, high temperatures are very often required even at a low conversion Research on Chemical Intermediates Springer Journals

Photooxidation of light alkanes over alkali-ion-modified vanadium catalysts

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Copyright © 1998 by Springer
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
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