Effects of solvent type and condition on regeneration of carbon adsorbents for adsorptive desulfurization

Cigdem Shalaby, Cigdem Shalaby, Xiaoliang Ma, Chunshan Song

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The objective of this study is to examine the effect of solvent type and conditions for regeneration of carbon adsorbents in adsorptive desulfurization. A commercial petroleum pitch based microporous activated carbon was chosen for the regeneration tests. Adsorption desulfurization tests were performed by using a model diesel fuel with 390 ppmw of sulfur concentration. The spent activated carbons were regenerated by using 3 different types of solvent (toluene, chloroform, and surfactant -Troton X-100, 0.1%), 4 solvent mixtures (50:50 vol. ethanol-water, ethanol-toluene, dichloromethane-toluene, and chloroform-toluene) under regular stirring or ultrasonic treatment in a batch system to determine the best solvent and the most effective method for the regeneration of the spent activated carbons. It was found that the best solvent is a mixture of 50%vol. chloroform and 50%vol. toluene, and the ultrasonic treatment has a strong positive effect on regeneration of the spent activated carbons.

Original languageEnglish (US)
Title of host publicationAmerican Chemical Society - 236th National Meeting and Exposition, Abstracts of Scientific Papers
StatePublished - Dec 1 2008
Event236th National Meeting and Exposition of the American Chemical Society, ACS 2008 - Philadelpia, PA, United States
Duration: Aug 17 2008Aug 21 2008

Publication series

NameACS National Meeting Book of Abstracts
ISSN (Print)0065-7727

Other

Other236th National Meeting and Exposition of the American Chemical Society, ACS 2008
CountryUnited States
CityPhiladelpia, PA
Period8/17/088/21/08

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)

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