EFFECT OF ZIRCONIUM AND TUNGSTEN MIXED OXIDES ON THE ACTIVITY OF PT/HMS CATALYST IN CATALYTIC REFORMING REACTION OF NORMAL HEPTANE

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PARSAFARD NASTARAN; PEYRAVI MOHAMMAD HASAN; Safari Sepideh

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Journal: PETROLEUM RESEARCH Year:2016 | Volume:26 | Issue:86 Page(s): 4-14

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Title

EFFECT OF ZIRCONIUM AND TUNGSTEN MIXED OXIDES ON THE ACTIVITY OF PT/HMS CATALYST IN CATALYTIC REFORMING REACTION OF NORMAL HEPTANE

Author(s)

PARSAFARD NASTARAN | PEYRAVI MOHAMMAD HASAN | Safari Sepideh | Issue Writer Certificate

Keywords

W-ZR-HMSQ1

REFORMING REACTIONQ1

MESOPOROUS CATALYSTSQ1

ISOMERIZATIONQ1

I-C7 SELECTIVITYQ1

Abstract

A series of Pt/W-ZR-HMS catalysts with different molar ratios of Si/Zr has been prepared and modified their surface by depositing WO3. Then these catalysts were used for REFORMING REACTION. The prepared catalysts were characterized by XRD, NH3–TPD, H2chemisorption and nitrogen sorption techniques. The effect of various amounts of zirconium on activity and selectivity in temperature range of 200–500°C were compared. The results show that by increasing the incorporation of Zr and W into the Pt-HMS catalysts structure, the acidity of catalysts increases and the catalytic activity and selectivity for desired products (especially ISOMERIZATION products) increases with decreasing Si/Zr amount (or increasing zirconium content). According to the results, these MESOPOROUS CATALYSTS have high activity and good selectivity for desirable products. High selectivity to desirable products especially multibranched isomers and absence of benzene are the main advantage of these catalysts. The best I-C7 SELECTIVITY, contrary to the acidic property, was observed for Pt/W-Zr (35) -HMS at T=200oC.

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APA: Copy

PARSAFARD, NASTARAN, PEYRAVI, MOHAMMAD HASAN, & Safari, Sepideh. (2016). EFFECT OF ZIRCONIUM AND TUNGSTEN MIXED OXIDES ON THE ACTIVITY OF PT/HMS CATALYST IN CATALYTIC REFORMING REACTION OF NORMAL HEPTANE. PETROLEUM RESEARCH, 26(86), 4-14. SID. https://sid.ir/paper/115161/en

Vancouver: Copy

PARSAFARD NASTARAN, PEYRAVI MOHAMMAD HASAN, Safari Sepideh. EFFECT OF ZIRCONIUM AND TUNGSTEN MIXED OXIDES ON THE ACTIVITY OF PT/HMS CATALYST IN CATALYTIC REFORMING REACTION OF NORMAL HEPTANE. PETROLEUM RESEARCH[Internet]. 2016;26(86):4-14. Available from: https://sid.ir/paper/115161/en

IEEE: Copy

NASTARAN PARSAFARD, MOHAMMAD HASAN PEYRAVI, and Sepideh Safari, “EFFECT OF ZIRCONIUM AND TUNGSTEN MIXED OXIDES ON THE ACTIVITY OF PT/HMS CATALYST IN CATALYTIC REFORMING REACTION OF NORMAL HEPTANE,” PETROLEUM RESEARCH, vol. 26, no. 86, pp. 4–14, 2016, [Online]. Available: https://sid.ir/paper/115161/en

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