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    STUDIA CHEMIA - Ediţia nr.2 din 2016  
         
  Articol:   PROMOTED ALUMINA SUPPORTED Ni CATALYST FOR ETHANOL STEAM REFORMING.

Autori:  . 		 
       
         
  Rezumat:   The catalytic behavior of Ni/γ-Al2O3 catalyst modified with Cu, Ag, and Au was investigated in the process of ethanol steam reforming. The catalysts were prepared by co-impregnation and were characterized by specific surface area determination (SBET), Inductively Coupled Plasma Mass Spectrometry (ICP-MS), X-ray diffraction (XRD), temperature programmed reduction (TPR), temperature programmed desorption (TPD) The data obtained from the experiments revealed that even at temperature as low as 350°C the ethanol is converted entirely, showing high selectivity for H2 and CH4.The activity of the Ni/γ-Al2O3 is only slightly increased by the addition of the supplementary metals. Nevertheless, the addition of metals to Ni/γ-Al2O3 has a positive effect in diminishing the quantity of CO2 produced in the reaction. The promoted alumina Ni catalysts present a higher stability in some experimental conditions. 

Keywords: Ethanol steam reforming, Ni-catalysts, hydrogen production
 
         
     
         
         
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