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Removal efficiency of organic chloride from naphtha fraction using micro and nano-γ-Al2O3 sintered adsorbents

  • Behnam Hosseingholilou , Samad Arjang and Majid Saidi EMAIL logo
Published/Copyright: September 1, 2023
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Chemical Product and Process Modeling
From the journal Chemical Product and Process Modeling Volume 19 Issue 1

Abstract

This research examines the removal efficiency of organic chloride (OC) compounds from the naphtha fraction of polluted crude oil (CO) using sintered micro and nano γ-Al2O3 at a consistent temperature of 30 °C. The adsorbents were characterized through BET, SEM-EDS, and XRD analyses. When utilizing micro-adsorbents to eliminate OC components from naphtha fraction samples containing initial contaminant concentrations of 105 and 8.5 mg/L, the maximum removal efficiency reached only 28 % and 56 %, respectively. In contrast, the use of nano-based adsorbents resulted in significantly higher adsorption percentages, exceeding 45 % and 96 % for the same two samples, respectively. Equilibrium investigations revealed that the Freundlich isotherm model yielded a superior match for the adsorption equilibrium data for the nano-adsorbents case, while the Langmuir model accurately characterized the data for the micro-adsorbents. Kinetic data analysis indicated that the adsorption kinetics for nano-adsorbents followed the pseudo-second-order model, while the micro-adsorbents obeyed the intra-particle diffusion mechanism. Overall, these findings suggest that sintered γ-Al2O3 nanoparticles (NPs) are more effective than microparticles (MPs) for the adsorptive removal of organic chlorides (OCs) from crude oil’s naphtha distillate.

Keywords: adsorptive removal; organic chloride compounds; nano adsorbent; sintered γ-Al2O3 nanoparticles
Corresponding author: Majid Saidi, School of Chemistry, College of Science, University of Tehran, Tehran, Iran, E-mail:

  1. Research ethics: Not applicable.

  2. Author contributions: 1-Mr. Behnam Hosseingholilou. Contributions: Analyzed data, wrote the paper. 2-Dr. Samad Arjang Contributions: Performed experiments, analyzed data. 3-Dr. Majid Saidi Contributions: Designed and performed experiments, analyzed data, and co-wrote the paper.

  3. Competing interests: The author(s) state(s) no conflict of interest.

  4. Research funding: None declared.

  5. Data availability: The raw data can be obtained on request from the corresponding author.

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Supplementary Material

This article contains supplementary material (https://doi.org/10.1515/cppm-2023-0064).

Received: 2023-07-19
Accepted: 2023-08-18
Published Online: 2023-09-01

© 2023 Walter de Gruyter GmbH, Berlin/Boston

Articles in the same Issue

  1. Frontmatter
  2. Research Articles
  3. Removal efficiency of organic chloride from naphtha fraction using micro and nano-γ-Al2O3 sintered adsorbents
  4. Energy, exergy, and economic analyses and optimization of a deethanizer tower of a petrochemical plant
  5. Solar driven desalination system for power and desalination water production by concentrated PVT and MED system
  6. Energy and exergy analysis of primary steam superheating effects on the steam ejector applied in the solar renewable refrigeration cycle in the presence of spontaneous nucleation
  7. Numerical investigation of the effects of dry gas model and wet steam model in solar-driven refrigeration ejector system
  8. Numerical investigation of different biomass feedstock on syngas production using steam gasification and thermodynamic analysis
  9. Numerical and experimental study of the baffle-based split and recombine chamber (B-SARC) micromixers
  10. Direct synthesis based sliding mode controller design for unstable second order with dead-time processes with its application on continuous stirred tank reactor
  11. Classification and authentication of operating conditions in different processes using Partial Least Squares
  12. Enhancing heat exchanger efficiency with novel perforated cone-shaped turbulators and nanofluids: a computational study
https://doi.org/10.1515/cppm-2023-0064
Keywords for this article
adsorptive removal; organic chloride compounds; nano adsorbent; sintered γ-Al2O3 nanoparticles

Articles in the same Issue

  1. Frontmatter
  2. Research Articles
  3. Removal efficiency of organic chloride from naphtha fraction using micro and nano-γ-Al2O3 sintered adsorbents
  4. Energy, exergy, and economic analyses and optimization of a deethanizer tower of a petrochemical plant
  5. Solar driven desalination system for power and desalination water production by concentrated PVT and MED system
  6. Energy and exergy analysis of primary steam superheating effects on the steam ejector applied in the solar renewable refrigeration cycle in the presence of spontaneous nucleation
  7. Numerical investigation of the effects of dry gas model and wet steam model in solar-driven refrigeration ejector system
  8. Numerical investigation of different biomass feedstock on syngas production using steam gasification and thermodynamic analysis
  9. Numerical and experimental study of the baffle-based split and recombine chamber (B-SARC) micromixers
  10. Direct synthesis based sliding mode controller design for unstable second order with dead-time processes with its application on continuous stirred tank reactor
  11. Classification and authentication of operating conditions in different processes using Partial Least Squares
  12. Enhancing heat exchanger efficiency with novel perforated cone-shaped turbulators and nanofluids: a computational study
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