Catalysis Letters

, Volume 146, Issue 4, pp 778–787 | Cite as

In situ DRIFTS Studies on Cu, Ni and CuNi catalysts for Ethanol Decomposition Reaction

  • Anand Kumar
  • Anchu Ashok
  • Rahul R. Bhosale
  • Mohd Ali H. Saleh
  • Fares A. Almomani
  • Mohammed Al-Marri
  • Mahmoud M. Khader
  • Faris Tarlochan


Catalyst nanopowders containing copper and nickel were synthesized using solution combustion synthesis method for hydrogen production from ethanol decomposition. Detailed in situ DRIFTS studies were conducted on three catalysts (Cu, Ni and CuNi) between 50 and 400 °C to identify the reaction pathways leading to differences in product selectivity over these catalysts. The catalysts nanopowders were characterized before and after reaction using various techniques (XRD, SEM and TEM) to understand the effect of reaction on catalytically active nanopowders. DRIFTS studies indicate that ethanol decomposition on Cu surface proceeds via acetaldehyde formation at low temperature (200–300 °C), generates ethyl acetate and carbon dioxide at 400 °C. Ni was more selective for methane and carbon monoxide. CuNi catalysts follows a trend similar to Cu catalyst at low temperature producing relatively more stable acetaldehyde intermediate that Ni, however at temperature above 300 °C, it behaves more like Ni catalyst producing only methane and carbon monoxide.

Graphical Abstract


Solution combustion synthesis Ethanol hydrogen production DRIFTS Copper nickel catalysts 



This publication was made possible by JSREP Grant (JSREP-05-004-2-002) from the Qatar National Research Fund (a member of Qatar Foundation). The statements made herein are solely the responsibility of the author(s). The authors also wish to acknowledge the technical services granted by Central Laboratory Unit (CLU) and Gas Processing Centre (GPC) at Qatar University along with QU internal Grant (QUUG-CENG-CHE-14/15-9) to support this research.

Supplementary material

10562_2016_1706_MOESM1_ESM.docx (271 kb)
Supplementary material 1 (DOCX 270 kb)


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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  • Anand Kumar
    • 1
  • Anchu Ashok
    • 2
  • Rahul R. Bhosale
    • 1
  • Mohd Ali H. Saleh
    • 1
  • Fares A. Almomani
    • 1
  • Mohammed Al-Marri
    • 1
    • 3
  • Mahmoud M. Khader
    • 3
  • Faris Tarlochan
    • 2
  1. 1.Department of Chemical EngineeringQatar UniversityDohaQatar
  2. 2.Department of Mechanical and Industrial EngineeringQatar UniversityDohaQatar
  3. 3.Gas Processing CenterQatar UniversityDohaQatar

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