Adsorptive desulfurization of natural gas for fuel cells

Hyun Seog Roh, Ki Won Jun, Ji Youn Kim, Jae Woo Kim, Dal Ryung Park, Jae Dong Kim, Soo Seok Yang

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18 Citations (Scopus)


Desulfurization of natural gas using the adsorption method for fuel cells has been investigated. Sulfur capacities of activated carbon (AC), Fe/AC, BEA zeolite (BEA), and Fe/BEA were obtained from the breakthrough curves of tert-butyl mercaptan (TBM) and tetrahydrothiophene (THT). Temperature programmed desorption (TPD) of TBM and THT was conducted on the adsorbents also. The sulfur-adsorption capacities appear to be closely related to the desorption area of chemisorbed sulfur compounds. Fe/BEA (Fe: 3%) prepared by the ion-exchange method exhibits the highest sulfur capacity (19.6% gs -comp/g sorb) among the adsorbents tested because of the strong chemisorption of sulfur compounds on the Lewis acid sites present in BEA zeolite and the beneficial Fe effect on the Fe/BEA adsorbent through the possibility of complexation.

Original languageEnglish
Pages (from-to)511-515
Number of pages5
JournalJournal of Industrial and Engineering Chemistry
Issue number4
Publication statusPublished - 2004 Jul

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)


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