New ceria-based selective adsorbents for removing sulfur from gasoline for fuel cell applications

Shingo Watanabe, S. Velu, Xiaoliang Ma, Chunshan Song

Research output: Contribution to journalConference articlepeer-review

16 Scopus citations

Abstract

Ceo2 has been known as an excellent support for base and noble metals in various catalytic process, including auto exhaust three-way catalysts. Taking into account the interesting properties of the CeO2, Ceo2-based regenerable adsorbents were developed for the removal of thiophenic sulfur compounds in the gasoline containing 265 ppm wt of sulfur in the form of thiophene. The adsorption capacity of CeO2 was only about 2 mg/g of adsorbent and the capacity increased up to about 9 mg/g when 10 atomic % Y, La, Zn, Ni, Sr, and Ag doped on to CeO2. Y- and La-CeO2 showed sulfur adsorption capacity almost 4.5 times larger compared to the capacity of CeO2 alone.

Original languageEnglish (US)
Pages (from-to)695-696
Number of pages2
JournalACS Division of Fuel Chemistry, Preprints
Volume48
Issue number2
StatePublished - Sep 2003

All Science Journal Classification (ASJC) codes

  • Energy(all)

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