Monatshefte für Chemie - Chemical Monthly

, Volume 148, Issue 7, pp 1311–1321 | Cite as

Co-production of hydrogen and carbon nanotube-silica fiber composites from ethanol steam reforming over an Ni-silica fiber catalyst

  • Natthawan Prasongthum
  • Chaiyan Chaiya
  • Chanatip Samart
  • Guoqing Guan
  • Paweesuda Natewong
  • Prasert Reubroycharoen
Original Paper


Nickel supported on silica fiber (Ni-SF) catalysts was successfully synthesized by sol–gel-assisted electrospinning of SFs followed by the conventional impregnation of the Ni salt and calcining. Their activity for the co-production of hydrogen (H2) and carbon nanotube-silica fiber (CNT-SF) composites in the ethanol steam reforming (ESR) process was investigated. The effects of the ESR reaction temperature, steam-to-carbon ratio (S/C), space–time (W/F), and Ni loading level on the reaction activity as well as H2 production and CNT-SF characteristics of the Ni-SF catalyst were investigated. The Ni-SF catalyst was highly effective at the simultaneous production of H2 and CNT. The optimized condition of the ESR in terms of the ethanol conversion and H2 yield was achieved at 600 °C, an S/C ratio of 9, and W/F of 18 gcat h mol−1 with a maximum H2 yield of 55%, while the best quality and quantity of the CNT (36%) formed along with a H2 yield of 29% was obtained at an Ni loading of 30 wt%, S/C ratio of 1, and W/F of 9 gcat h mol−1. The novel CNT-SF composite obtained from ESR exhibited a relatively high surface area and easy accessibility, making it a promising catalyst support for various processes.

Graphical abstract


Nickel-based catalyst Steam reforming of ethanol Silica fiber Carbon nanotubes 



The authors are very grateful for financial support to Science Achievement Scholarship of Thailand (SAST), Overseas Academic Presentation Scholarship for Graduate Students, Graduate School, Chulalongkorn University, the research fund from the Thailand Research Fund (IRG5780001), The National Research Council of Thailand with the National Natural Science Foundation of China (NRCT-NSFC2558-104), and Science and Technology Research Partnership for Sustainable Development (SATREPS), Japan Science and Technology Agency (JST)/Japan International Cooperation Agency (JICA). The authors also acknowledge the support of HORIBA (Thailand) Limited for catalysts characterization by Raman model XploRA PLUS.


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Copyright information

© Springer-Verlag Wien 2017

Authors and Affiliations

  • Natthawan Prasongthum
    • 1
  • Chaiyan Chaiya
    • 2
  • Chanatip Samart
    • 3
  • Guoqing Guan
    • 4
  • Paweesuda Natewong
    • 5
    • 6
  • Prasert Reubroycharoen
    • 5
    • 6
  1. 1.Program in Petrochemistry, Faculty of ScienceChulalongkorn UniversityBangkokThailand
  2. 2.Chemical Engineering Division, Faculty of EngineeringRajamangala University of Technology KrungthepBangkokThailand
  3. 3.Department of Chemistry, Faculty of Science and TechnologyThammasat UniversityPathumthaniThailand
  4. 4.North Japan Research Institute of Sustainable EnergyHirosaki UniversityAomoriJapan
  5. 5.Center of Excellence on Petrochemical and Materials Technology, Chulalongkorn University Research BuildingBangkokThailand
  6. 6.Department of Chemical Technology, Faculty of Science, and Center of Excellence in Catalysis for Bioenergy and Renewable ChemicalsChulalongkorn UniversityBangkokThailand

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