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    STUDIA CHEMIA - Ediţia nr.4 din 2013  
         
  Articol:   THERMODYNAMIC STUDY AND KINETIC MODELING OF BIOETHANOL STEAM REFORMING.

Autori:  ANA-MARIA CORMOȘ, PAUL ŞERBAN AGACHI. 		 
       
         
  Rezumat:   Reforming of bioethanol, mainly produced from biomass fermentation, provides a promising method for hydrogen production from renewable resources. This paper describes the research work carried out on the themodynamic analysis and kinetic modeling of bioethanol steam reforming using Ni-Al2O3 10% at the temperature 350oC. The thermodynamic analysis which takes into account the main chemical species involved in the reactions was performed at more H2O/EtOH molar ratio. Following the thermodynamic study has resulted that the maximum concentration of H2 was obtained at the molar ratio of H2O/EtOH 3:1 temperature of 550oC and 10 bar pressure. The experimental measurements were performed at laboratory scale and were done in isothermal conditions. The Langmuir-Hinshelwood-Hougen-Watson model was used in the kinetic modeling. The experiments for kinetic modeling was conducted under conditions 350oC, 3 bar and at molar ration water/ethanol 24:1 and was observed that. High concentrations of hydrogen were obtained when low inert gas flow was used. 

Keywords: Bioethanol, Steam reforming, Thermodynamic analysis, Hydrogen production, Kinetic modeling
 
         
     
         
         
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