LAPSE:2023.1150v1
Published Article
LAPSE:2023.1150v1
Catalytic-Level Identification of Prepared Pt/HY, Pt-Zn/HY, and Pt-Rh/HY Nanocatalysts on the Reforming Reactions of N-Heptane
February 21, 2023
Abstract
The operation of reforming catalysts in a fixed bed reactor undergoes a high level of interaction between the operating parameters and the reaction mechanism. Understanding such an interaction reduces the catalyst deactivation rate. In the present work, three kinds of nanocatalysts (i.e., Pt/HY, Pt-Zn/HY, and Pt-Rh/HY) were synthesized. The catalysts’ performances were evaluated for n-heptane reactions in the fixed bed reactor. The operating conditions applied were the following: 1 bar pressure, WHSV of 4, hydrogen/n-heptane ratio of 4, and the reaction temperatures of 425, 450, 475, 500, and 525 °C. The optimal reaction temperature for all three types of nanocatalysts to produce high-quality isomers and aromatic hydrocarbons was 500 °C. Accordingly, the nanocatalyst Pt-Zn/HY provided the highest catalytic selectivity for the desired hydrocarbons. Moreover, the Pt-Zn/HY-nanocatalyst showed more resistance against catalyst deactivation in comparison with the other two types of nanocatalysts (Pt/HY and Pt-Rh/HY). This work offers more understanding for the application of nanocatalysts in the reforming process in petroleum refineries with high performance and economic feasibility.
The operation of reforming catalysts in a fixed bed reactor undergoes a high level of interaction between the operating parameters and the reaction mechanism. Understanding such an interaction reduces the catalyst deactivation rate. In the present work, three kinds of nanocatalysts (i.e., Pt/HY, Pt-Zn/HY, and Pt-Rh/HY) were synthesized. The catalysts’ performances were evaluated for n-heptane reactions in the fixed bed reactor. The operating conditions applied were the following: 1 bar pressure, WHSV of 4, hydrogen/n-heptane ratio of 4, and the reaction temperatures of 425, 450, 475, 500, and 525 °C. The optimal reaction temperature for all three types of nanocatalysts to produce high-quality isomers and aromatic hydrocarbons was 500 °C. Accordingly, the nanocatalyst Pt-Zn/HY provided the highest catalytic selectivity for the desired hydrocarbons. Moreover, the Pt-Zn/HY-nanocatalyst showed more resistance against catalyst deactivation in comparison with the other two types of nanocatalysts (Pt/HY and Pt-Rh/HY). This work offers more understanding for the application of nanocatalysts in the reforming process in petroleum refineries with high performance and economic feasibility.
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Keywords
bimetallic catalyst performance, catalytic reforming, fixed bed reactor, reaction temperature
Subject
Suggested Citation
Hamied RS, Sukkar KA, Majdi HS, Shnain ZY, Graish MS, Mahmood LH. Catalytic-Level Identification of Prepared Pt/HY, Pt-Zn/HY, and Pt-Rh/HY Nanocatalysts on the Reforming Reactions of N-Heptane. (2023). LAPSE:2023.1150v1
Author Affiliations
Hamied RS: Petroleum Technology Department, University of Technology-Iraq, Al-Sanna St., Baghdad 19006, Iraq
Sukkar KA: Department of Chemical Engineering, University of Technology-Iraq, Al-Sanna St., Baghdad 19006, Iraq [ORCID]
Majdi HS: Chemical and Petroleum Industries Engineering Department, Al-Mustaqbal University College, Babylon 51015, Iraq
Shnain ZY: Department of Chemical Engineering, University of Technology-Iraq, Al-Sanna St., Baghdad 19006, Iraq
Graish MS: Department of Chemical Engineering, University of Technology-Iraq, Al-Sanna St., Baghdad 19006, Iraq
Mahmood LH: Department of Chemical Engineering, University of Technology-Iraq, Al-Sanna St., Baghdad 19006, Iraq
Sukkar KA: Department of Chemical Engineering, University of Technology-Iraq, Al-Sanna St., Baghdad 19006, Iraq [ORCID]
Majdi HS: Chemical and Petroleum Industries Engineering Department, Al-Mustaqbal University College, Babylon 51015, Iraq
Shnain ZY: Department of Chemical Engineering, University of Technology-Iraq, Al-Sanna St., Baghdad 19006, Iraq
Graish MS: Department of Chemical Engineering, University of Technology-Iraq, Al-Sanna St., Baghdad 19006, Iraq
Mahmood LH: Department of Chemical Engineering, University of Technology-Iraq, Al-Sanna St., Baghdad 19006, Iraq
Journal Name
Processes
Volume
11
Issue
1
First Page
270
Year
2023
Publication Date
2023-01-14
ISSN
2227-9717
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PII: pr11010270, Publication Type: Journal Article
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LAPSE:2023.1150v1
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https://doi.org/10.3390/pr11010270
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