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Titre: Extractive dearomatization, denitrification and desulfurization of gas oil fractions by a mixed extractant of N,N-methylpyrrolidone, N,N-dimethylformamide and ethylene glycol via microwave radiations
Auteur(s): Mesdour, Souad
Boufades, Djamila
Moussiden, A.
Hamada, B.
Mots-clés: Dearomatization
Extraction
Gas oil
Microwaveheating
Solvents
Date de publication: 2019
Editeur: Taylor & Francis
Collection/Numéro: Petroleum Science and Technology/ Vol.37, N°15 (2019);pp. 1755-1762
Résumé: In an attempt to develop alternative process that meet the prescribed levelsand green-technology criteria in gas-oil refining, N,N-methylpyrrolidone(NMP), dimethylformamide (DMF) mixed solvents under microwave-radiations (MW) were tested for the gas-oil desulfurization (EDS), denitrifica-tion (EDN) and dearomatization (EDA). In optimal conditions the gas-oilEDS-efficiency via MW can reach as high as 99.1% within 5 min at 500W inthree stages, which is much higher than EDS without MW (88.5% within15 min) or than those of ionic liquids. The NMP/DMF/EG can be reused formulti-cycles before being regenerated by adsorption method. This study willprovide useful information for future industrial application
URI/URL: https://www.tandfonline.com/doi/full/10.1080/10916466.2019.1570259
https://doi.org/10.1080/10916466.2019.1570259
http://dlibrary.univ-boumerdes.dz:8080/handle/123456789/6720
ISSN: 1091-6466
1532-2459 Electronic
Collection(s) :Publications Internationales

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