Synthesis of sulfated zirconia-HY zeolite catalysts doped by platinum metal for hydroisomerization reaction

Al-Taweel, Sura K.; Al-Jendeel, Haider A.; Al-Tabbakh, Ban A.

doi:10.12911/22998993/199586

Artykuł - szczegóły

Tytuł artykułu

Synthesis of sulfated zirconia-HY zeolite catalysts doped by platinum metal for hydroisomerization reaction

Autorzy

Al-Taweel Sura K. , Al-Jendeel Haider A. , Al-Tabbakh Ban A.

Treść / Zawartość

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Identyfikatory

DOI

10.12911/22998993/199586

Warianty tytułu

Języki publikacji

Abstrakty

In this study, active catalysts of platinum supported on sulfated zirconia and HY zeolite (Pt/SZ-HY), and platinum supported on sulfated zirconia – mHY zeolite (Pt/SZ-mHY) were prepared using two different mesopore HY zeolite and sulfated zirconia (SZ). The synthesized catalysts were characterized by X-ray diffraction (XRD), Fourier transfer infrared spectroscopy (FTIR), BET surface area and pore volume, field emission scanning electron microscopy (FESEM) and energy dispersive X-ray (EDX) analysis. The characterisation results showed that adding sulfated zirconia to HY zeolite as a composite increased the active sites on the catalyst and increased the activity of isomerization. Isomerization experiments were studied using a different range of temperature (140–200 °C), constant pressure and LHSV of 15 bar and 1 hr^-1, respectively. The results showed Pt/SZ-HY composite catalyst gives 17.95 mol% conversions for n-hexane and 27.5 mol% for n-heptane at optimum conditions of 160 °C, 15 bar and LHSV of 1 hr^-1. On the other hand, the composite catalyst Pt/SZ-mHY with smaller pore size achieved higher conversion to isomers, also proved that the conversion to isomer was more for n-heptane than n-hexane, which achieved 73.05 mol% conversion of n-heptane, while 57.91% for n-hexane at the optimum operation conditions.

Słowa kluczowe

sulfated zirconia HY zeolite isomerization catalyst composite bifunctional

Wydawca

Polskie Towarzystwo Inżynierii Ekologicznej
Lublin University of Technology

Czasopismo

Journal of Ecological Engineering

Rocznik

2025

Tom

Vol. 26, nr 3

Strony

147--158

Opis fizyczny

Bibliogr. 37 poz., rys., tab.

Twórcy

autor

Al-Taweel Sura K.

Department of Chemical Engineering, College of Engineering, University of Baghdad, Baghdad, Iraq

autor

Al-Jendeel Haider A.

haider.aljendeel@coeng.uobaghdad.edu.iq

Department of Chemical Engineering, College of Engineering, University of Baghdad, Baghdad, Iraq

autor

Al-Tabbakh Ban A.

Petroleum Research and Development Center, Ministry of Oil, Baghdad, Iraq

https://orcid.org/0000-0002-6763-3537

Bibliografia

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