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

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

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
Volume10
Issue number4
Publication statusPublished - 2004 Jul 1

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Desulfurization
Sulfur
Adsorbents
Zeolites
Fuel cells
Sulfur Compounds
Natural gas
Sulfur compounds
Sulfhydryl Compounds
Activated carbon
Adsorption
Lewis Acids
Temperature programmed desorption
Chemisorption
Complexation
Desorption
Ion exchange
Acids
tetrahydrothiophene

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)

Cite this

Roh, H. S., Jun, K. W., Kim, J. Y., Kim, J. W., Park, D. R., Kim, J. D., & Yang, S. S. (2004). Adsorptive desulfurization of natural gas for fuel cells. Journal of Industrial and Engineering Chemistry, 10(4), 511-515.
Roh, Hyun Seog ; Jun, Ki Won ; Kim, Ji Youn ; Kim, Jae Woo ; Park, Dal Ryung ; Kim, Jae Dong ; Yang, Soo Seok. / Adsorptive desulfurization of natural gas for fuel cells. In: Journal of Industrial and Engineering Chemistry. 2004 ; Vol. 10, No. 4. pp. 511-515.
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Roh, HS, Jun, KW, Kim, JY, Kim, JW, Park, DR, Kim, JD & Yang, SS 2004, 'Adsorptive desulfurization of natural gas for fuel cells', Journal of Industrial and Engineering Chemistry, vol. 10, no. 4, pp. 511-515.

Adsorptive desulfurization of natural gas for fuel cells. / Roh, Hyun Seog; Jun, Ki Won; Kim, Ji Youn; Kim, Jae Woo; Park, Dal Ryung; Kim, Jae Dong; Yang, Soo Seok.

In: Journal of Industrial and Engineering Chemistry, Vol. 10, No. 4, 01.07.2004, p. 511-515.

Research output: Contribution to journalArticle

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AB - 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.

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Roh HS, Jun KW, Kim JY, Kim JW, Park DR, Kim JD et al. Adsorptive desulfurization of natural gas for fuel cells. Journal of Industrial and Engineering Chemistry. 2004 Jul 1;10(4):511-515.