Production of olefins via oxidative de-hydrogenation of C3‒C4 fraction by CO2 over Cr‒Mo/MCM‒41
ISBN-13:
9783656922421
ISBN-10:
365692242X
Author:
A. A. Ijagbuji, V. V. Schwarzkopf, I. I. Zakharov
Publication date:
2015
Publisher:
Grin Verlag
Format:
Paperback
24 pages
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Book details
ISBN-13:
9783656922421
ISBN-10:
365692242X
Author:
A. A. Ijagbuji, V. V. Schwarzkopf, I. I. Zakharov
Publication date:
2015
Publisher:
Grin Verlag
Format:
Paperback
24 pages
Summary
Production of olefins via oxidative de-hydrogenation of C3‒C4 fraction by CO2 over Cr‒Mo/MCM‒41 (ISBN-13: 9783656922421 and ISBN-10: 365692242X), written by authors
A. A. Ijagbuji, V. V. Schwarzkopf, I. I. Zakharov, was published by Grin Verlag in 2015.
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Description
Scientific Essay from the year 2015 in the subject Chemistry - Other, , language: English, abstract: The present study investigates the oxidative de-hydrogenation of propane-butane (C3-C4) fraction over mono (Cr, Mo) and bi-metal (Cr-Mo) loaded MCM-41catalysts. The catalysts were prepared by sequential impregnation method at 500oC calcination temperature. Experiments were performed by feeding C3-C4 fraction and CO2 into a continuous flow quartz reactor at atmospheric pressure (P = 1 atm.), reaction temperatures between 500 - 650oC, gas hourly space velocity within 100 - 400 h-1, and at reaction time (tr) = 2h. The physicochemical properties and performance of catalysts were evaluated by BET, XRD, H2-TPR, and NH3-TPD characterization techniques. The major products are ethylene, propylene, isobutylene, butylene. This paper reports that the total yield of olefins (Ʃ C2-C4) = 71.6 % was achieved at 89.5 % conversion level of C3-C4 at 630oC. The results indicate that the addition of Mo to Cr/MCM-41 modifies its catalytic activity. The Cr/MCM-41 and Mo/MCM-41 catalysts were prepared for comparison purposes.
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