Regeneration and characterization of spent bleaching earth: recycling in the corn oil bleaching process
The spent bleaching earth (SBE) is a solid waste from the edible oil refining industry which generates soil contamination was successfully recycled after deoiling through an extraction process using different organic solvents, followed by heat treatment. In the current study, the effects of factors...
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Vilnius Gediminas Technical University
2025-05-01
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| Series: | Journal of Environmental Engineering and Landscape Management |
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| Online Access: | https://jbem.vgtu.lt/index.php/JEELM/article/view/23565 |
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| author | Ikhlas Benkhoud Lassaad Ben Mansour |
| author_facet | Ikhlas Benkhoud Lassaad Ben Mansour |
| author_sort | Ikhlas Benkhoud |
| collection | DOAJ |
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The spent bleaching earth (SBE) is a solid waste from the edible oil refining industry which generates soil contamination was successfully recycled after deoiling through an extraction process using different organic solvents, followed by heat treatment. In the current study, the effects of factors, such as solvent to (SBE) ratio [1:1–5:1], temperature [20–40 °C], and stirring time [30–60 min] on the efficiency of extracted oil were investigated by maceration method. Characterization analyses (SEM, XRD, XRFA and TGA) were carried out to compare the characteristics of samples. The best oil extraction efficiency was obtained at the highest level of solvent to (SBE) ratio (MR = 5) at 30 °C temperature and at the 45 minutes stirring time this condition led to 72.82% oil extraction yield. The corn oil bleaching efficiency using the SBE treated at optimal condition and heated at 400 °C was improved to 84.75%.
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| format | Article |
| id | doaj-art-4e5aa0093fc14b2db03fc81f662526a0 |
| institution | DOAJ |
| issn | 1648-6897 1822-4199 |
| language | English |
| publishDate | 2025-05-01 |
| publisher | Vilnius Gediminas Technical University |
| record_format | Article |
| series | Journal of Environmental Engineering and Landscape Management |
| spelling | doaj-art-4e5aa0093fc14b2db03fc81f662526a02025-08-20T03:10:46ZengVilnius Gediminas Technical UniversityJournal of Environmental Engineering and Landscape Management1648-68971822-41992025-05-0133210.3846/jeelm.2025.23565Regeneration and characterization of spent bleaching earth: recycling in the corn oil bleaching processIkhlas Benkhoud0Lassaad Ben Mansour1Laboratory of Applied Fluid Mechanics, Process Engineering and Environment, Faculty of Sciences of Sfax, University of Sfax, Sfax, TunisiaLaboratory of Applied Fluid Mechanics, Process Engineering and Environment, Faculty of Sciences of Sfax, University of Sfax, Sfax, Tunisia The spent bleaching earth (SBE) is a solid waste from the edible oil refining industry which generates soil contamination was successfully recycled after deoiling through an extraction process using different organic solvents, followed by heat treatment. In the current study, the effects of factors, such as solvent to (SBE) ratio [1:1–5:1], temperature [20–40 °C], and stirring time [30–60 min] on the efficiency of extracted oil were investigated by maceration method. Characterization analyses (SEM, XRD, XRFA and TGA) were carried out to compare the characteristics of samples. The best oil extraction efficiency was obtained at the highest level of solvent to (SBE) ratio (MR = 5) at 30 °C temperature and at the 45 minutes stirring time this condition led to 72.82% oil extraction yield. The corn oil bleaching efficiency using the SBE treated at optimal condition and heated at 400 °C was improved to 84.75%. https://jbem.vgtu.lt/index.php/JEELM/article/view/23565bleaching processspent bleaching earth (SBE)soil contaminationregeneration |
| spellingShingle | Ikhlas Benkhoud Lassaad Ben Mansour Regeneration and characterization of spent bleaching earth: recycling in the corn oil bleaching process Journal of Environmental Engineering and Landscape Management bleaching process spent bleaching earth (SBE) soil contamination regeneration |
| title | Regeneration and characterization of spent bleaching earth: recycling in the corn oil bleaching process |
| title_full | Regeneration and characterization of spent bleaching earth: recycling in the corn oil bleaching process |
| title_fullStr | Regeneration and characterization of spent bleaching earth: recycling in the corn oil bleaching process |
| title_full_unstemmed | Regeneration and characterization of spent bleaching earth: recycling in the corn oil bleaching process |
| title_short | Regeneration and characterization of spent bleaching earth: recycling in the corn oil bleaching process |
| title_sort | regeneration and characterization of spent bleaching earth recycling in the corn oil bleaching process |
| topic | bleaching process spent bleaching earth (SBE) soil contamination regeneration |
| url | https://jbem.vgtu.lt/index.php/JEELM/article/view/23565 |
| work_keys_str_mv | AT ikhlasbenkhoud regenerationandcharacterizationofspentbleachingearthrecyclinginthecornoilbleachingprocess AT lassaadbenmansour regenerationandcharacterizationofspentbleachingearthrecyclinginthecornoilbleachingprocess |