Download PDF by A. A. Ijagbuji,V. V. Schwarzkopf,I. I. Zakharov,D. B.: Production of olefins via oxidative de-hydrogenation of

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

clinical Essay from the 12 months 2015 within the topic Chemistry - different, , language: English, summary: the current learn 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 by means of 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 circulation quartz reactor at atmospheric strain (P = 1 atm.), response temperatures among 500 – 650oC, gasoline hourly area pace inside a hundred – four hundred h-1, and at response time (tr) = 2h. The physicochemical homes and function of catalysts have been evaluated by way of guess, XRD, H2–TPR, and NH3–TPD characterization options. the key items are ethylene, propylene, isobutylene, butylene. This paper studies that the entire yield of olefins (Ʃ C2-C4) = 71.6 % used to be completed at 89.5 % conversion point of C3–C4 at 630oC. the consequences point out that the addition of Mo to Cr/MCM–41 modifies its catalytic job. The Cr/MCM–41 and Mo/MCM–41 catalysts have been ready for comparability purposes.

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Medical Essay from the 12 months 2015 within the topic Chemistry - different, , language: English, summary: the current research 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 by means of sequential impregnation process at 500oC calcination temperature.

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