Selective removal of sulfur from model diesel fuel over regenerable metal oxide adsorbents for fuel cell applications

Fuxia Sun, Watanabe Shingo, Xiaoliang Ma, Chunshan Song

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

Abstract

Our recent research indicated that adsorbents containing Ti-Ce-O metal oxides can be made selective towards sulfur compounds. In the present work, oxidatively regenerable metal oxide adsorbents, M-Al-Ti-Ce-O (M = Zr, V, Zn, Cr, Co, Ni and Mo), were prepared by urea-gelation/ co-precipitation method and tested for removing sulfur from liquid hydrocarbon fuel. Liquid-phase adsorption of a model diesel fuel containing sulfur compounds, aromatics and olefin was conducted over these adsorbents and a supported oxide CoMo/Al2O3 at room temperature under atmospheric pressure in a batch adsorption system. The adsorptive capacity, selectivity and regenerability of the adsorbents were investigated. The adsorbents were characterized by XRD, BET and SEM methods and the results correlated with their adsorption performance. The results indicate that these multi-metal oxides have higher sulfur adsorptive capacity and sulfur adsorptive selectivity than that of commercial CoMo/Al2O3. The sulfur adsorptive capacity of model fuel over Mo-Al-Ti-Ce-O can be increased by 48.4% than that of CoMo/Al2O3. The multi-metal oxides, M-Al-Ti-Ce-O (M = Zr, Cr, Co, Ni and Mo), prefer to adsorb sulfur compounds rather than aromatics coexisting in the model fuel. These multi-component metal oxides can be regenerated in air and have better oxidatively regenerable stability.

Original languageEnglish (US)
Title of host publicationAbstracts of Papers - 232nd American Chemical Society Meeting and Exposition
StatePublished - Dec 1 2006
Event232nd American Chemical Society Meeting and Exposition - San Francisco, CA, United States
Duration: Sep 10 2006Sep 14 2006

Publication series

NameACS National Meeting Book of Abstracts
Volume232
ISSN (Print)0065-7727

Other

Other232nd American Chemical Society Meeting and Exposition
CountryUnited States
CitySan Francisco, CA
Period9/10/069/14/06

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)

Fingerprint Dive into the research topics of 'Selective removal of sulfur from model diesel fuel over regenerable metal oxide adsorbents for fuel cell applications'. Together they form a unique fingerprint.

Cite this