Re-refining of waste mineral insulating oil by extraction with N-methyl-2-pyrrolidone
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2006
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Extraction with N-methyl-2-pyrrolidone (NMP) via the three-stage mixer-settler operation was studied as possible process for re-refining of waste mineral insulating oil. The following extraction process parameters were investigated systematically in order to determine their optimum values: amount of water as co-solvent in NMP, extraction temperature and solvent/oil ratio. The process parameters and resulting oil chemical compositions were found to influence the electrical properties and the oxidation stability of the re-refined oil. The levels of aromatic, paraffinic and polycyclic aromatic hydrocarbons were determined using IR spectroscopy and HPLC, while other relevant chemical and electrical properties of waste and re-refined oil were determined according to IEC, ISO and ASTM standards. Extraction using NMP was found to be an adequate method for waste mineral insulating oil re-refining, according to the application properties of the re-refined oil. Moderate extraction temperature, 1...% water in NMP and a low solvent/oil ratio (0.5) were determined to be the optimum process parameters.
Ključne reči:
re-refining / mineral insulating oil / extraction / N-methyl-2-pyrrolidone / oxidation stabilityIzvor:
Separation and Purification Technology, 2006, 51, 2, 150-156Izdavač:
- Elsevier Science Bv, Amsterdam
DOI: 10.1016/j.seppur.2005.12.029
ISSN: 1383-5866
WoS: 000240864200006
Scopus: 2-s2.0-33748304336
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Institucija/grupa
Tehnološko-metalurški fakultetTY - JOUR AU - Lukić, Jelena AU - Orlović, Aleksandar AU - Spiteller, Michael AU - Jovanović, Jovan AU - Skala, Dejan PY - 2006 UR - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/934 AB - Extraction with N-methyl-2-pyrrolidone (NMP) via the three-stage mixer-settler operation was studied as possible process for re-refining of waste mineral insulating oil. The following extraction process parameters were investigated systematically in order to determine their optimum values: amount of water as co-solvent in NMP, extraction temperature and solvent/oil ratio. The process parameters and resulting oil chemical compositions were found to influence the electrical properties and the oxidation stability of the re-refined oil. The levels of aromatic, paraffinic and polycyclic aromatic hydrocarbons were determined using IR spectroscopy and HPLC, while other relevant chemical and electrical properties of waste and re-refined oil were determined according to IEC, ISO and ASTM standards. Extraction using NMP was found to be an adequate method for waste mineral insulating oil re-refining, according to the application properties of the re-refined oil. Moderate extraction temperature, 1% water in NMP and a low solvent/oil ratio (0.5) were determined to be the optimum process parameters. PB - Elsevier Science Bv, Amsterdam T2 - Separation and Purification Technology T1 - Re-refining of waste mineral insulating oil by extraction with N-methyl-2-pyrrolidone EP - 156 IS - 2 SP - 150 VL - 51 DO - 10.1016/j.seppur.2005.12.029 ER -
@article{ author = "Lukić, Jelena and Orlović, Aleksandar and Spiteller, Michael and Jovanović, Jovan and Skala, Dejan", year = "2006", abstract = "Extraction with N-methyl-2-pyrrolidone (NMP) via the three-stage mixer-settler operation was studied as possible process for re-refining of waste mineral insulating oil. The following extraction process parameters were investigated systematically in order to determine their optimum values: amount of water as co-solvent in NMP, extraction temperature and solvent/oil ratio. The process parameters and resulting oil chemical compositions were found to influence the electrical properties and the oxidation stability of the re-refined oil. The levels of aromatic, paraffinic and polycyclic aromatic hydrocarbons were determined using IR spectroscopy and HPLC, while other relevant chemical and electrical properties of waste and re-refined oil were determined according to IEC, ISO and ASTM standards. Extraction using NMP was found to be an adequate method for waste mineral insulating oil re-refining, according to the application properties of the re-refined oil. Moderate extraction temperature, 1% water in NMP and a low solvent/oil ratio (0.5) were determined to be the optimum process parameters.", publisher = "Elsevier Science Bv, Amsterdam", journal = "Separation and Purification Technology", title = "Re-refining of waste mineral insulating oil by extraction with N-methyl-2-pyrrolidone", pages = "156-150", number = "2", volume = "51", doi = "10.1016/j.seppur.2005.12.029" }
Lukić, J., Orlović, A., Spiteller, M., Jovanović, J.,& Skala, D.. (2006). Re-refining of waste mineral insulating oil by extraction with N-methyl-2-pyrrolidone. in Separation and Purification Technology Elsevier Science Bv, Amsterdam., 51(2), 150-156. https://doi.org/10.1016/j.seppur.2005.12.029
Lukić J, Orlović A, Spiteller M, Jovanović J, Skala D. Re-refining of waste mineral insulating oil by extraction with N-methyl-2-pyrrolidone. in Separation and Purification Technology. 2006;51(2):150-156. doi:10.1016/j.seppur.2005.12.029 .
Lukić, Jelena, Orlović, Aleksandar, Spiteller, Michael, Jovanović, Jovan, Skala, Dejan, "Re-refining of waste mineral insulating oil by extraction with N-methyl-2-pyrrolidone" in Separation and Purification Technology, 51, no. 2 (2006):150-156, https://doi.org/10.1016/j.seppur.2005.12.029 . .