New Gas-Phase Catalytic Oxidative Processes for Desulfurization of Diesel Fuel
- Z. R. Ismagilov
- M. A. Kerzhentsev
- S. A. Yashnik
- S. R. Khairulin
- A. V. Salnikov
- V. N. Parmon
- A. Bourane
- O. R. Koseoglu
DOIAbstract
An effective gas-phase oxidative desulfurization (ODS) process was proposed. The process was studied in a laboratory reactor with a proprietary catalyst at 300-400 ºС and ambient pressure with model fuels represented by thiophene, dibenzothiophene(DBT) and 4,6-dimethyldibenzothiophene (DMDBT) dissolved in octane, isooctane or toluene. The reactivity of different sulfur containing molecules in ODS was shown to increase in the sequence: thiophene<DBT<DMDBT. The main sulfur containing product of oxidation of these compounds was SO2. During the gas-phase ODS both processes of sulfur species oxidation and processes of their adsorption were observed and studied. Based on the conducted studies, different ODS process designs comprising its integrat...
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