PROCESS MODELING AND KINETIC ESTIMATION FOR DESULFURIZATION OF DIESEL FUEL USING NANO - ZnO/Al2O3

Original scientific paper

Authors

  • Jasim I. Humadi Department of Petroleum and Gas Refining Engineering, College of Petroleum Processes Engineering, Tikrit University, Slah Al-deen, Iraq https://orcid.org/0000-0002-7597-2635
  • Muayad A. Shihab Department of Petroleum and Gas Refining Engineering, College of Petroleum Processes Engineering, Tikrit University, Slah Al-deen, Iraq https://orcid.org/0000-0002-0880-7883
  • Ghazwan S. Ahmed Chemical Engineering Department, College of Engineering, Tikrit University, Iraq https://orcid.org/0009-0000-3688-3982
  • Mustafa A Ahmed Ministry of Oil, North Refineries Company, Baiji Refinery, Slah Al-deen, Iraq
  • Zeyad A. Abdullah he State Company for Drugs Industry and Medical Appliances, Slah Al-deen, Iraq
  • Shankar Sehgal Mechanical Engineering, UIET, Panjab University, Chandigarh, India https://orcid.org/0000-0003-1874-0632

DOI:

https://doi.org/10.2298/CICEQ230208020H

Keywords:

gamma alumin, model, nano-catalyst, optimization, sulfur, zinc oxide

Abstract

In the present paper, a gamma alumina (γ-Al2O3) loaded zinc oxide (ZnO) nano-catalyst (ZnO/γ-Al2O3) has been synthesized and used to accelerate the removal of sulfur compounds from light gas oil by oxidative desulfurization (ODS) process. The synthesized nano-catalysts have been characterized by atomic force microscopy (AFM) and Brunauer-Emmett-Teller (BET). The ODS process has been conducted in a batch reactor at various reaction temperatures and batch times varying between 30 to 90 °C and 20 to 80 min, respectively. DBT removal was highest (93.781%) while using synthesized nano-catalyst (9% ZnO/γ-Al2O3) at 90°C and 80 min reaction time. Based on the obtained experimental data, a new mathematical modeling technique was performed for the ODS operation under mild experimental conditions to evaluate the most appropriate kinetic variables for the newly synthesized nano-catalysts. Simulation results indicate a good match with experimental observations with less than 5% absolute average error for all runs. The optimization procedure of the process condition displays that > 98% DBT could be eliminated within 200 min, at 87 °C, in the existence of synthesized nano-catalyst (9% ZnO/γ-Al2O3).

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Published

02.08.2023 — Updated on 09.12.2023

Issue

Vol. 30 No. 2 (2024)

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Copyright (c) 2023 Jasim I. Humadi, Muayad A. Shihab, Ghazwan S. Ahmed, Mustafa A Ahmed, Zeyad A. Abdullah, Shankar Sehgal

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How to Cite

PROCESS MODELING AND KINETIC ESTIMATION FOR DESULFURIZATION OF DIESEL FUEL USING NANO - ZnO/Al2O3: Original scientific paper. (2023). Chemical Industry & Chemical Engineering Quarterly, 30(2), 151-159. https://doi.org/10.2298/CICEQ230208020H

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