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H2S oxidation by multi-wall carbon nanotubes decorated with tungsten sulfide

  • Environmental Engineering
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Abstract

Tungsten sulfide catalysts decorated on single and multiwall carbon nanotubes (SWNTs & MWNTs) and activated carbon were synthesized, and XRD, ICP, SEM, TEM and ASAP analyses were employed to acquire the characteristics of each catalyst. Afterwards a gas flow containing 5,000 ppm of H2S was passed over the catalyst in gas hour space velocity (GHSV) of 5,000 h−1, temperature of 65 °C, steam volume percent of 20 and O2/H2S ratio equal to 2. The results revealed that the catalyst supported on MWNTs exhibited higher conversion amongst its counterparts. Then effects of GHSV, steam volume percent in the feed, catalyst loading and temperature were investigated on conversion of hydrogen sulfide to elemental sulfur for tungsten sulfide catalyst decorated on MWNTs.

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Authors and Affiliations

  1. Gas Research Division, Research Institute of Petroleum Industry, West Boulevard, Azadi Sport Complex, Tehran, 14665-1998, Iran

    Ali Mohamadalizadeh, Morteza Adinehnia & Hamid Reza Bozorgzadeh

  2. Department of Chemical Engineering, Tarbiat Modares University, Aleahmad Highway, Tehran, 14115-143, Iran

    Jafar Towfighi

Authors
  1. Ali Mohamadalizadeh
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  2. Jafar Towfighi
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  3. Morteza Adinehnia
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  4. Hamid Reza Bozorgzadeh
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Correspondence to Ali Mohamadalizadeh.

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Mohamadalizadeh, A., Towfighi, J., Adinehnia, M. et al. H2S oxidation by multi-wall carbon nanotubes decorated with tungsten sulfide. Korean J. Chem. Eng. 30, 871–877 (2013). https://doi.org/10.1007/s11814-012-0190-1

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  • DOI: https://doi.org/10.1007/s11814-012-0190-1

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