SENSITIVITY ANALYSIS OF BIOHYDROGEN PRODUCTION FROM IMPERATA CYLINDRICA USING STOICHIOMETRIC EQUILIBRIUM MODEL

Authors

  • Olagoke Oladokun Center of Hydrogen Energy, Institute of Future Energy, Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia
  • Arshad Ahmad Center of Hydrogen Energy, Institute of Future Energy, Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia
  • Tuan Amran Tuan Abdullah Center of Hydrogen Energy, Institute of Future Energy, Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia
  • Bemgba Bevan Nyakuma Center of Hydrogen Energy, Institute of Future Energy, Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia
  • Mohd Fadhzir A. Kamaroddin Center of Hydrogen Energy, Institute of Future Energy, Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia
  • Murtala Ahmed Department of Chemical Engineering, University of Maiduguri, P.M.B 1069, Maiduguri, Borno State, Nigeria
  • Habib Alkali Center of Hydrogen Energy, Institute of Future Energy, Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia

DOI:

https://doi.org/10.11113/jt.v78.9577

Keywords:

Biomass, thermodynamics, modelling, gasification

Abstract

This paper investigated the production of biohydrogen from Imperata cylindrica, using stoichiometric equilibrium model. The stoichiometric equilibrium model uses biomass ultimate analysis, thermodynamic equilibrium and elemental balance on biomass gasification reaction. The sensitivity analysis was studied over a wide range of operating conditions involving temperature (250 – 1500 °C), pressure (1 – 5 atm) and Steam to fuel ratio (0-5). The result shows biohydrogen and other biogas product were sensitive to temperature and steam-feed ratio, whereas effect of pressure is negligible. The operating condition for optimal biohydrogen production  in moles (23%) was atmospheric pressure, temperature, 1500 °C and steam-feed ratio, 5. Biogas product mixtures are H2, 23%, CO, 17%, CO2, 12% CH4, 0% and H2O, 60%. Increase in steam-feed ratio (0, 1, 2, 3, 4 and 5) significantly increase the biohydrogen by 1381%, 90%, 46%, 31% and 24%. The stoichiometry equilibrium model could effectively be used in determining biohydrogen production and its sensitivity to temperature and steam

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Published

2016-08-10

Issue

Vol. 78 No. 8-3: Chemical Engineering and Energy Technology Progress for Future Challenges

Section

Science and Engineering

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How to Cite

SENSITIVITY ANALYSIS OF BIOHYDROGEN PRODUCTION FROM IMPERATA CYLINDRICA USING STOICHIOMETRIC EQUILIBRIUM MODEL. (2016). Jurnal Teknologi (Sciences & Engineering), 78(8-3). https://doi.org/10.11113/jt.v78.9577