Removal of sulphur from commercial kerosene by adsorption concerned with the desulphurisation from a hydrocarbon strea. In 2006 the EPA reduced the allowable sulphur levels in liquid fuels. Gasoline sulphur limit was reduced from 300 ppmw to 30 ppm and diesel fuel sulphur limit was reduced from 500 ppmw to 15 ppmw. Deep desulfurization of liquid hydrocarbon fuels is becoming an important subject worldwide. The desulfurization performance of sold super acid type adsorbent (sulphated alumina) for commercial kerosene was evaluated on batch system and on continuous flow system. The removal of sulphur components from gasoline by carbon nanotubes for use as support in catalysis was conducted in batch conditions. A novel approach to ultra-deep desulfurization of transportation fuels by sulphur-selective adsorption for pollution prevention at the source studied. The mercaptan in kerosene is partially oxidized and the remaining was removed by a carbon impregnated with an oxidation catalyst. Hexyl mercaptan was selected as a solute (adsorbate) since this mercaptan was present in substantial amount in typical naphtha. Sorption of hexyl mercaptan sulfur onto carbon-based adsorbents (activated carbon and carbon nanotubes)
by ultrasonic irradiation was investigated. The adsorptive capacity was examined. Carbon nanotubes show higher adsorptive capacity.
Last date updated on December, 2024
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