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    STUDIA CHEMIA - Issue no. 1-2 / 1998  
         
  Article:   KINETIC DETERMINATION OF EFFECTIVE DIFFUSION COEFFICIENT AND TORTUOSITY FACTOR OF A LAMN0.8CU0.2O3 - CATALYST IN HYDROGEN OXIDATION.

Authors:  FLORINA BUCIUMAN, FLORIN PĂTCAŞ.
 
       
         
  Abstract:  The effective diffusion coefficient of hydrogen in porous pellets of LaMn0.8Cu0.2O3 was indirectly determined using kinetic data on hydrogen oxidation taken in a gradientless recirculation reactor. Using the pore diffusion coefficient, evaluated by means of the usual procedures on the basis of textural characteristics of the catalyst, the tortuosity factor of the porous structure was also calculated.  
         
     
         
         
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