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Comparative performance of [Bmim][Tos] ionic liquid and furfural in efficient extraction of aromatic hydrocarbons in real heavy naphtha.

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Title: Comparative performance of [Bmim][Tos] ionic liquid and furfural in efficient extraction of aromatic hydrocarbons in real heavy naphtha.
Authors: Roomi, Ahmed Mahdi1 (AUTHOR), Albayati, Talib M.1 (AUTHOR) Talib.M.Naieff@uotechnology.edu.iq, Karim, Abdul Mun'em A.2 (AUTHOR)
Source: Chemical Engineering Communications. 2026, Vol. 213 Issue 7, p1232-1246. 15p.
Subject Terms: *Furfural, *Ionic liquids, *Aromatic compounds, *Response surfaces (Statistics), *Ratio & proportion, *Petrochemical manufacturing, *Liquid-liquid extraction
Abstract: Extracting aromatic hydrocarbons from heavy naphtha remains a challenge in the petrochemical industry because aromatics can harm downstream processes, such as ethylene crackers. They reduce furnace efficiency, cause fouling, and increase the need for extra energy and equipment for processing. This study experimentally evaluates the performance of the ionic liquid 1-butyl-3-methylimidazolium Tosylate ([Bmim][Tos]) as a potential alternative to furfural for removing aromatic compounds from actual heavy naphtha using the response surface methodology (Box-Behnken). The extraction efficiency was examined under different conditions: solvent-to-feed ratios of 0.5, 1.0, and 1.5; mixing speeds of 200, 600, and 1000 rpm; and mixing times of 1, 2, and 3 h. All experiments were conducted at a standard temperature of 25 °C and atmospheric pressure. At optimal conditions (S/F = 1.5, 1000 rpm, 2 h), [Bmim][Tos] and furfural were removed with maximum efficiency of 35.9 and 34.4% respectively. Regression analysis revealed that the models had an excellent fit, with R2 values of 0.9881 and 0.9700, respectively. These findings demonstrate that [Bmim][Tos] is a more profitable, sustainable, and selective solvent in the extraction of aromatics than furfural. The study indicates that ensuring the proper ratio of hydrocarbon and solvent, as well as maintaining the optimal mixing intensity, is crucial for achieving high efficiency and sustainable separation. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
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Header DbId: enr
DbLabel: Energy & Power Source
An: 193389213
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Comparative performance of [Bmim][Tos] ionic liquid and furfural in efficient extraction of aromatic hydrocarbons in real heavy naphtha.
– Name: Author
  Label: Authors
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  Data: <searchLink fieldCode="AR" term="%22Roomi%2C+Ahmed+Mahdi%22">Roomi, Ahmed Mahdi</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Albayati%2C+Talib+M%2E%22">Albayati, Talib M.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> Talib.M.Naieff@uotechnology.edu.iq</i><br /><searchLink fieldCode="AR" term="%22Karim%2C+Abdul+Mun'em+A%2E%22">Karim, Abdul Mun'em A.</searchLink><relatesTo>2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Chemical+Engineering+Communications%22">Chemical Engineering Communications</searchLink>. 2026, Vol. 213 Issue 7, p1232-1246. 15p.
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: *<searchLink fieldCode="DE" term="%22Furfural%22">Furfural</searchLink><br />*<searchLink fieldCode="DE" term="%22Ionic+liquids%22">Ionic liquids</searchLink><br />*<searchLink fieldCode="DE" term="%22Aromatic+compounds%22">Aromatic compounds</searchLink><br />*<searchLink fieldCode="DE" term="%22Response+surfaces+%28Statistics%29%22">Response surfaces (Statistics)</searchLink><br />*<searchLink fieldCode="DE" term="%22Ratio+%26+proportion%22">Ratio & proportion</searchLink><br />*<searchLink fieldCode="DE" term="%22Petrochemical+manufacturing%22">Petrochemical manufacturing</searchLink><br />*<searchLink fieldCode="DE" term="%22Liquid-liquid+extraction%22">Liquid-liquid extraction</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Extracting aromatic hydrocarbons from heavy naphtha remains a challenge in the petrochemical industry because aromatics can harm downstream processes, such as ethylene crackers. They reduce furnace efficiency, cause fouling, and increase the need for extra energy and equipment for processing. This study experimentally evaluates the performance of the ionic liquid 1-butyl-3-methylimidazolium Tosylate ([Bmim][Tos]) as a potential alternative to furfural for removing aromatic compounds from actual heavy naphtha using the response surface methodology (Box-Behnken). The extraction efficiency was examined under different conditions: solvent-to-feed ratios of 0.5, 1.0, and 1.5; mixing speeds of 200, 600, and 1000 rpm; and mixing times of 1, 2, and 3 h. All experiments were conducted at a standard temperature of 25 °C and atmospheric pressure. At optimal conditions (S/F = 1.5, 1000 rpm, 2 h), [Bmim][Tos] and furfural were removed with maximum efficiency of 35.9 and 34.4% respectively. Regression analysis revealed that the models had an excellent fit, with R2 values of 0.9881 and 0.9700, respectively. These findings demonstrate that [Bmim][Tos] is a more profitable, sustainable, and selective solvent in the extraction of aromatics than furfural. The study indicates that ensuring the proper ratio of hydrocarbon and solvent, as well as maintaining the optimal mixing intensity, is crucial for achieving high efficiency and sustainable separation. [ABSTRACT FROM AUTHOR]
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1080/00986445.2025.2611390
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 15
        StartPage: 1232
    Subjects:
      – SubjectFull: Furfural
        Type: general
      – SubjectFull: Ionic liquids
        Type: general
      – SubjectFull: Aromatic compounds
        Type: general
      – SubjectFull: Response surfaces (Statistics)
        Type: general
      – SubjectFull: Ratio & proportion
        Type: general
      – SubjectFull: Petrochemical manufacturing
        Type: general
      – SubjectFull: Liquid-liquid extraction
        Type: general
    Titles:
      – TitleFull: Comparative performance of [Bmim][Tos] ionic liquid and furfural in efficient extraction of aromatic hydrocarbons in real heavy naphtha.
        Type: main
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      – PersonEntity:
          Name:
            NameFull: Roomi, Ahmed Mahdi
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            NameFull: Albayati, Talib M.
      – PersonEntity:
          Name:
            NameFull: Karim, Abdul Mun'em A.
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          Dates:
            – D: 01
              M: 07
              Text: 2026
              Type: published
              Y: 2026
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              Value: 00986445
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              Value: 213
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              Value: 7
          Titles:
            – TitleFull: Chemical Engineering Communications
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