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Alternate solvent for soybean oil extraction based on extractability and membrane solvent recovery.

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Title: Alternate solvent for soybean oil extraction based on extractability and membrane solvent recovery.
Authors: Shejawale, Deepali1,2 (AUTHOR), Lavania, Jyoti1,2 (AUTHOR), Muthuganesan, Nageswaran1,3 (AUTHOR), Jeyarani, Thangaraj4 (AUTHOR), Rastogi, Navin Kumar1,2 (AUTHOR), Subramanian, Rangaswamy1,2 (AUTHOR) subburanga2020@gmail.com
Source: Environmental Science & Pollution Research. Nov2025, Vol. 32 Issue 52, p29592-29606. 15p.
Subject Terms: *Ethyl acetate, *Hexane, *Solvent extraction, *Sustainability, *Safety standards, *Soy oil, *Solvents
Abstract: Ethyl acetate, acetone, 2-propanol, 1-propanol, and ethanol were screened among the class 3 category solvents as an alternative to hexane based on operational and occupational safety and bio-renewability potential. All five solvents exhibited higher extractability (22.3 to 23.2%) than hexane (21.5%) with soybean flour. Additionally, there was no significant difference in the fatty acid and triacylglycerol (TAG) composition of the oils extracted using alternate solvents and hexane, indicating the oil quality was not affected. More importantly, ethyl acetate (2.1%) resulted in a marginally higher yield of TAG, while 2-propanol showed a nearly equal yield to hexane. Further, membrane desolventizing was attempted to mitigate the limitations of higher thermal energy requirements. One of the polydimethylsiloxane membranes exhibited good selectivity (TAG rejection 85.8%) and acceptable flux (59.3 L·m−2·h−1) with an ethyl acetate miscella system. Under plant-simulated recirculation conditions, a two-stage membrane process reduced the oil content in permeate to 2.5%. The study revealed that ethyl acetate could potentially replace hexane, considering its higher TAG extractability and suitability for the membrane-augmented solvent recycling process in the extraction plants. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
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Header DbId: enr
DbLabel: Energy & Power Source
An: 190749009
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Alternate solvent for soybean oil extraction based on extractability and membrane solvent recovery.
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  Data: <searchLink fieldCode="AR" term="%22Shejawale%2C+Deepali%22">Shejawale, Deepali</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lavania%2C+Jyoti%22">Lavania, Jyoti</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Muthuganesan%2C+Nageswaran%22">Muthuganesan, Nageswaran</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jeyarani%2C+Thangaraj%22">Jeyarani, Thangaraj</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Rastogi%2C+Navin+Kumar%22">Rastogi, Navin Kumar</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Subramanian%2C+Rangaswamy%22">Subramanian, Rangaswamy</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> subburanga2020@gmail.com</i>
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  Data: <searchLink fieldCode="JN" term="%22Environmental+Science+%26+Pollution+Research%22">Environmental Science & Pollution Research</searchLink>. Nov2025, Vol. 32 Issue 52, p29592-29606. 15p.
– Name: Subject
  Label: Subject Terms
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  Data: *<searchLink fieldCode="DE" term="%22Ethyl+acetate%22">Ethyl acetate</searchLink><br />*<searchLink fieldCode="DE" term="%22Hexane%22">Hexane</searchLink><br />*<searchLink fieldCode="DE" term="%22Solvent+extraction%22">Solvent extraction</searchLink><br />*<searchLink fieldCode="DE" term="%22Sustainability%22">Sustainability</searchLink><br />*<searchLink fieldCode="DE" term="%22Safety+standards%22">Safety standards</searchLink><br />*<searchLink fieldCode="DE" term="%22Soy+oil%22">Soy oil</searchLink><br />*<searchLink fieldCode="DE" term="%22Solvents%22">Solvents</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Ethyl acetate, acetone, 2-propanol, 1-propanol, and ethanol were screened among the class 3 category solvents as an alternative to hexane based on operational and occupational safety and bio-renewability potential. All five solvents exhibited higher extractability (22.3 to 23.2%) than hexane (21.5%) with soybean flour. Additionally, there was no significant difference in the fatty acid and triacylglycerol (TAG) composition of the oils extracted using alternate solvents and hexane, indicating the oil quality was not affected. More importantly, ethyl acetate (2.1%) resulted in a marginally higher yield of TAG, while 2-propanol showed a nearly equal yield to hexane. Further, membrane desolventizing was attempted to mitigate the limitations of higher thermal energy requirements. One of the polydimethylsiloxane membranes exhibited good selectivity (TAG rejection 85.8%) and acceptable flux (59.3 L·m−2·h−1) with an ethyl acetate miscella system. Under plant-simulated recirculation conditions, a two-stage membrane process reduced the oil content in permeate to 2.5%. The study revealed that ethyl acetate could potentially replace hexane, considering its higher TAG extractability and suitability for the membrane-augmented solvent recycling process in the extraction plants. [ABSTRACT FROM AUTHOR]
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1007/s11356-024-34038-7
    Languages:
      – Code: eng
        Text: English
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      Pagination:
        PageCount: 15
        StartPage: 29592
    Subjects:
      – SubjectFull: Ethyl acetate
        Type: general
      – SubjectFull: Hexane
        Type: general
      – SubjectFull: Solvent extraction
        Type: general
      – SubjectFull: Sustainability
        Type: general
      – SubjectFull: Safety standards
        Type: general
      – SubjectFull: Soy oil
        Type: general
      – SubjectFull: Solvents
        Type: general
    Titles:
      – TitleFull: Alternate solvent for soybean oil extraction based on extractability and membrane solvent recovery.
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          Name:
            NameFull: Shejawale, Deepali
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          Name:
            NameFull: Lavania, Jyoti
      – PersonEntity:
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            NameFull: Muthuganesan, Nageswaran
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            NameFull: Jeyarani, Thangaraj
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            NameFull: Rastogi, Navin Kumar
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            NameFull: Subramanian, Rangaswamy
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            – D: 06
              M: 11
              Text: Nov2025
              Type: published
              Y: 2025
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              Value: 32
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              Value: 52
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            – TitleFull: Environmental Science & Pollution Research
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