Preparation of Pt-ZSM-5 zeolite membrane catalysts for the isomerization of linear alkane

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BAYATI B.; Algieri C.; BABALUO A.A.; GHORBANI A.; Drioli E.

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Journal Paper

Paper Information

Journal: Scientia Iranica Year:2020 | Volume:27 | Issue:3 (Transactions C: Chemistry and Chemical Engineering) Page(s): 1243-1252

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Title

Preparation of Pt-ZSM-5 zeolite membrane catalysts for the isomerization of linear alkane

Author(s)

Keywords

Catalytic zeolite membrane

Pt catalyst

Pentane

Isomerization

Abstract

A ZSM-5 supported membrane was synthesized by the secondary growth method. The Pt-ZSM5 membrane was prepared by the impregnation method. This membrane was characterized by a single gas permeation step at room temperature. The Isomerization of n-Pentane was selected as a probe reaction for evaluating the catalytic performance of the membrane. In particular, the e ects of the space velocity and the time on stream were considered. After the catalytic tests, the membrane was characterized by Scanning Electron Microscopy (SEM), Energy-Dispersive X-ray spectroscopy (EDX), and X-Ray Di raction (XRD). N2 permeance for the membrane, after calcination, was equal to 2: 9 10􀀀 7 mol/m2. s. Pa, indicating the coverage of the larger support pores by the zeolite crystals. This result was also con rmed by the SEM investigation. In addition, XRD analysis showed that the ZSM-5 was the desired zeolite type. During the catalytic tests, the reduction of the nC5 conversion and the increase of the iC5 selectivity with Weight Hourly Space Velocity (WHSV) were observed. The nC5 conversion decreased from 2. 5 to less than 0. 5, with an enhancement in WHSV, while the selectivity increased from 30 to over 70. On the other hand, its conversion on catalyst enhanced from 10% to approximately 38% with an increase in the reaction temperature from 250 to 450 C.

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APA: Copy

BAYATI, B., Algieri, C., BABALUO, A.A., GHORBANI, A., & Drioli, E.. (2020). Preparation of Pt-ZSM-5 zeolite membrane catalysts for the isomerization of linear alkane. SCIENTIA IRANICA, 27(3 (Transactions C: Chemistry and Chemical Engineering)), 1243-1252. SID. https://sid.ir/paper/973252/en

Vancouver: Copy

BAYATI B., Algieri C., BABALUO A.A., GHORBANI A., Drioli E.. Preparation of Pt-ZSM-5 zeolite membrane catalysts for the isomerization of linear alkane. SCIENTIA IRANICA[Internet]. 2020;27(3 (Transactions C: Chemistry and Chemical Engineering)):1243-1252. Available from: https://sid.ir/paper/973252/en

IEEE: Copy

B. BAYATI, C. Algieri, A.A. BABALUO, A. GHORBANI, and E. Drioli, “Preparation of Pt-ZSM-5 zeolite membrane catalysts for the isomerization of linear alkane,” SCIENTIA IRANICA, vol. 27, no. 3 (Transactions C: Chemistry and Chemical Engineering), pp. 1243–1252, 2020, [Online]. Available: https://sid.ir/paper/973252/en

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