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Information Journal Paper

Title

THE EFFECT OF ALKALI METAL PROMOTERS ON THE STABILITY AND COKE FORMATION OF PLATINUM-BASED PROPANE DEHYDROGENATION CATALYSTS: A KINETIC STUDY

Pages

  25-32

Abstract

 The KINETICS of CATALYST DEACTIVATION and coke formation during dehydrogenation of propane over supported PT–BASED CATALYSTS and, in particular, the effect of ALKALI METAL promoters on catalyst activity and stability were studied. The analysis of propane conversion data showed that there is an optimum level of ALKALI METAL promoter loading for both catalyst activity and stability. A model based on individual site poisoning was proposed for coke deposition KINETICS. The model showed fair fits for coke formation data with time on stream. While the rate constant of coke formation was slightly affected by loading of Na as the neutralizing promoter, the ultimate COKE AMOUNT was strongly dependent on the Na loading. It was found that coke formation sites should be different from active sites for the main reaction.

Cites

References

Cite

APA: Copy

TAHRIRI ZANGENEH, FARNAZ, TAEB, ABBAS, GHOLIVAND, KHODAYAR, & SAHEBDELFAR, SAEED. (2013). THE EFFECT OF ALKALI METAL PROMOTERS ON THE STABILITY AND COKE FORMATION OF PLATINUM-BASED PROPANE DEHYDROGENATION CATALYSTS: A KINETIC STUDY. IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE), 32(4), 25-32. SID. https://sid.ir/paper/625551/en

Vancouver: Copy

TAHRIRI ZANGENEH FARNAZ, TAEB ABBAS, GHOLIVAND KHODAYAR, SAHEBDELFAR SAEED. THE EFFECT OF ALKALI METAL PROMOTERS ON THE STABILITY AND COKE FORMATION OF PLATINUM-BASED PROPANE DEHYDROGENATION CATALYSTS: A KINETIC STUDY. IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE)[Internet]. 2013;32(4):25-32. Available from: https://sid.ir/paper/625551/en

IEEE: Copy

FARNAZ TAHRIRI ZANGENEH, ABBAS TAEB, KHODAYAR GHOLIVAND, and SAEED SAHEBDELFAR, “THE EFFECT OF ALKALI METAL PROMOTERS ON THE STABILITY AND COKE FORMATION OF PLATINUM-BASED PROPANE DEHYDROGENATION CATALYSTS: A KINETIC STUDY,” IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE), vol. 32, no. 4, pp. 25–32, 2013, [Online]. Available: https://sid.ir/paper/625551/en

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