Al-Qadisiyah Journal for Engineering Sciences

Upgrading the atmospheric distillation residue of Al- Samawah refinery utilizing thermal cracking process

Document Type : Research Paper

Authors

Hussein M. Kareem 1
Husham Mohammed Al.Tameemi 2

1 Department of Chemical Engineering , College of Engineering, University of Al-Qadisiyah , Al-Qadisiyah, Iraq.

2 Department of Chemical Engineering, College of Enginering, University of Al-Qadisiyah, Iraq

https://doi.org/10.30772/qjes.v15i4.879
Abstract
Thermal cracking of heavy oil residues has gained the attention of oil refineries due to the increasing need for light oil fractions, as well as its lower value compared to light oil fractions. In this paper, the thermal cracking process of the residual crude oil that product from atmospheric distillation towers in the Samawah Refinery was studied in order to convert the heavy oil into a lighter oil. API gravity and conversion ratio for the result from the cracking process has been adopted as indicators of the accuracy and efficiency of the thermal cracking process for AR  (atmospheric residue), where the API gravity for AR is equal to 15.5 .The response surface methodology (RSM) was adopted in the design of experiments to reach the best variables of operational conditions , which were in a range of temperatures (350-450 degrees Celsius) and time (30-60 minutes), through which we obtain the best results for the conversion ratio and API gravity for the liquid resulting from the thermal cracking process of AR, where the conversion ratio was 53.4%   and API gravity equals 34.4 with a time of 45 minutes and temperature  386 0C.

Keywords

AR
conversion
API
Thermal Cracking
Response surface methodology
Residual crude oil
Al-Qadisiyah Journal for Engineering Sciences
Volume 15, Issue 4
Autumn 2022
Pages 244-249

  • Receive Date 07 June 2022
  • Revise Date 15 July 2022
  • Accept Date 30 November 2022

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