Catalytic characteristics of carbon black for decomposition of ethane

Sang Yup Lee, Mi So Kim, Jung Hun Kwak, Gui Young Han, Jong Hyeok Park, Tae Jin Lee, Ki June Yoon

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

The catalytic activities of rubber, color and conductive carbon black catalysts for decomposition of ethane were investigated in the temperature range from 973 to 1173 K. Significantly higher ethane conversion and lower ethylene selectivity were obtained in the presence of carbon black catalysts compared with non-catalytic decomposition, resulting in much higher hydrogen yields. This indicates that carbon black catalysts are effective catalysts for dehydrogenation of ethane to hydrogen and ethylene, as well as for the subsequent decomposition of ethylene to hydrogen and solid carbon. However, more methane was produced in the presence of carbon black catalysts than in non-catalytic decomposition. A reaction mechanism was proposed for the catalytic decomposition of ethane. The hydrogen yield increased with an increase in the specific surface area of the nonporous rubber and color carbon black catalysts with a surface area of up to approximately 100 m2/g. However, the hydrogen yield over the carbon black catalysts with higher surface areas, including the conductive carbon black catalysts with very high surface areas, did not increase significantly. The carbon black catalysts exhibited stable activity for ethane decomposition and hydrogen production for 36 h despite carbon deposition.

Original languageEnglish
Pages (from-to)2030-2036
Number of pages7
JournalCarbon
Volume48
Issue number7
DOIs
Publication statusPublished - 2010 Jun 1

Fingerprint

Soot
Ethane
Carbon black
Decomposition
Catalysts
Hydrogen
Ethylene
Rubber
Catalyst activity
Carbon
Color
Methane
Dehydrogenation
Hydrogen production
Specific surface area

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)

Cite this

Lee, S. Y., Kim, M. S., Kwak, J. H., Han, G. Y., Park, J. H., Lee, T. J., & Yoon, K. J. (2010). Catalytic characteristics of carbon black for decomposition of ethane. Carbon, 48(7), 2030-2036. https://doi.org/10.1016/j.carbon.2010.02.011
Lee, Sang Yup ; Kim, Mi So ; Kwak, Jung Hun ; Han, Gui Young ; Park, Jong Hyeok ; Lee, Tae Jin ; Yoon, Ki June. / Catalytic characteristics of carbon black for decomposition of ethane. In: Carbon. 2010 ; Vol. 48, No. 7. pp. 2030-2036.
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Lee, SY, Kim, MS, Kwak, JH, Han, GY, Park, JH, Lee, TJ & Yoon, KJ 2010, 'Catalytic characteristics of carbon black for decomposition of ethane', Carbon, vol. 48, no. 7, pp. 2030-2036. https://doi.org/10.1016/j.carbon.2010.02.011

Catalytic characteristics of carbon black for decomposition of ethane. / Lee, Sang Yup; Kim, Mi So; Kwak, Jung Hun; Han, Gui Young; Park, Jong Hyeok; Lee, Tae Jin; Yoon, Ki June.

In: Carbon, Vol. 48, No. 7, 01.06.2010, p. 2030-2036.

Research output: Contribution to journalArticle

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T1 - Catalytic characteristics of carbon black for decomposition of ethane

AU - Lee, Sang Yup

AU - Kim, Mi So

AU - Kwak, Jung Hun

AU - Han, Gui Young

AU - Park, Jong Hyeok

AU - Lee, Tae Jin

AU - Yoon, Ki June

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N2 - The catalytic activities of rubber, color and conductive carbon black catalysts for decomposition of ethane were investigated in the temperature range from 973 to 1173 K. Significantly higher ethane conversion and lower ethylene selectivity were obtained in the presence of carbon black catalysts compared with non-catalytic decomposition, resulting in much higher hydrogen yields. This indicates that carbon black catalysts are effective catalysts for dehydrogenation of ethane to hydrogen and ethylene, as well as for the subsequent decomposition of ethylene to hydrogen and solid carbon. However, more methane was produced in the presence of carbon black catalysts than in non-catalytic decomposition. A reaction mechanism was proposed for the catalytic decomposition of ethane. The hydrogen yield increased with an increase in the specific surface area of the nonporous rubber and color carbon black catalysts with a surface area of up to approximately 100 m2/g. However, the hydrogen yield over the carbon black catalysts with higher surface areas, including the conductive carbon black catalysts with very high surface areas, did not increase significantly. The carbon black catalysts exhibited stable activity for ethane decomposition and hydrogen production for 36 h despite carbon deposition.

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