By A. A. Ijagbuji,V. V. Schwarzkopf,I. I. Zakharov,D. B. Woods,T. C. Philips,K. M. Jackson,M. B. Saltzberg,B.V. Shevchenko,J. K. Johnson

medical Essay from the 12 months 2015 within the topic Chemistry - different, , language: English, summary: the current examine 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 have been ready via sequential impregnation approach at 500oC calcination temperature. Experiments have been played by means of feeding C3-C4 fraction and CO2 right into a non-stop stream quartz reactor at atmospheric strain (P = 1 atm.), response temperatures among 500 – 650oC, fuel hourly area speed inside a hundred – four hundred h-1, and at response time (tr) = 2h. The physicochemical homes and function of catalysts have been evaluated through guess, XRD, H2–TPR, and NH3–TPD characterization strategies. the most important items are ethylene, propylene, isobutylene, butylene. This paper stories that the whole yield of olefins (Ʃ C2-C4) = 71.6 % used to be accomplished at 89.5 % conversion point of C3–C4 at 630oC. the implications point out that the addition of Mo to Cr/MCM–41 modifies its catalytic task. The Cr/MCM–41 and Mo/MCM–41 catalysts have been ready for comparability purposes.

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Production of olefins via oxidative de-hydrogenation of C3‒C4 fraction by CO2 over Cr‒Mo/MCM‒41 by A. A. Ijagbuji,V. V. Schwarzkopf,I. I. Zakharov,D. B. Woods,T. C. Philips,K. M. Jackson,M. B. Saltzberg,B.V. Shevchenko,J. K. Johnson


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