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The activity of Zr/Ru-promoted iron catalyst supported on SBA-15 (synthesized from coal fly ash) has been tested in a high pressure–temperature fixed-bed tubular reactor. The SBA-15 is synthesized under an acidic condition using Pluronic P-123 as a template and coal fly ash (CFA)-derived supernatant as a silica source. The catalysts with Fe, Zr, and Ru loading 15 wt. %, 5 wt %, and 0.1 wt % respectively are synthesized by the incipient wetness impregnation technique. The prepared catalysts are characterized by different sophisticated instruments like BET surface area analysis, H2-TPR, and powder X-ray diffraction (XRD). The synthesized catalysts are reduced in situ using ultra-pure H2 and tested with a syngas (H2: 28.7%; N2: 47%; CO: 14.18%; CO2: 9.11%; CH4: 1.01%) having H2:CO molar ratio = 2:1, at T = 220 °C, and P = 30 bar. Maximum CO conversion (~ 45.7%) is observed for FSBA-15 catalysts.

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Effect of Zr–Ru Promotion on SBA-15 Supported Fe Catalysts for Fischer–Tropsch Production

  • 会议论文

  • 发表日期：

    2025年

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  • Pavan K. Gupta,
  • Sudip Maity,
  • Vineet Kumar,
  • Shiva K. Saw,
  • Shweta Kumari,
  • Sudipta Datta,
  • Gajanan Sahu

摘要

The activity of Zr/Ru-promoted iron catalyst supported on SBA-15 (synthesized from coal fly ash) has been tested in a high pressure–temperature fixed-bed tubular reactor. The SBA-15 is synthesized under an acidic condition using Pluronic P-123 as a template and coal fly ash (CFA)-derived supernatant as a silica source. The catalysts with Fe, Zr, and Ru loading 15 wt. %, 5 wt %, and 0.1 wt % respectively are synthesized by the incipient wetness impregnation technique. The prepared catalysts are characterized by different sophisticated instruments like BET surface area analysis, H2-TPR, and powder X-ray diffraction (XRD). The synthesized catalysts are reduced in situ using ultra-pure H2 and tested with a syngas (H2: 28.7%; N2: 47%; CO: 14.18%; CO2: 9.11%; CH4: 1.01%) having H2:CO molar ratio = 2:1, at T = 220 °C, and P = 30 bar. Maximum CO conversion (~ 45.7%) is observed for FSBA-15 catalysts.