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Extraction of oxidized sulfur-containing compounds of non-hydrotreated gas oil

Sobati, M. A ; Sharif University of Technology

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  1. Type of Document: Article
  2. DOI: 10.1002/ceat.200900622
  3. Abstract:
  4. The desulfurization of non-hydrotreated gas oil using oxidation followed by liquid/liquid extraction has been studied. The solvent extraction of oxidized sulfur- containing compounds of gas oil was carried out by utilizing various types of solvents, including acetonitrile, methanol, and 96 vol.-% ethanol. The performance of these solvents was carefully evaluated and compared by considering both desulfurization and gas oil recovery. It was found that their performance follows the order: acetonitrile > methanol > 96 vol.-% ethanol. The influences of operating conditions, such as number of extraction stages and solvent to gas oil ratio, on the desulfurization and recovery of gas oil, were investigated. Over 99% desulfurization of gas oil was achieved after liquid/liquid extraction of the oxidized sulfur containing compounds
  5. Keywords:
  6. Desulfurization ; Gas oil ; Liquid/liquid extraction ; Gas oil ratios ; Oil recoveries ; Operating condition ; Oxidized sulfurs ; Acetonitrile ; Ethanol ; Gas oils ; Gases ; Methanol ; Organic solvents ; Oxidation ; Petroleum reservoirs ; Sulfur ; Solvent extraction
  7. Source: Chemical Engineering and Technology ; Volume 33, Issue 9 , 2010 , Pages 1515-1524 ; 09307516 (ISSN)
  8. URL: http://onlinelibrary.wiley.com/doi/10.1002/ceat.200900622/abstract