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DE LA FACULTAD DE INGENIERÍA
REVIST
A TÉCNICAREVISTA TÉCNICA
“Buscar la verdad y aanzar
los valores transcendentales”,
misión de las universidades en
su artículo primero, inspirado
en los principios humanísticos.
Ley de Universidades 8 de
septiembre de 1970.
“Buscar la verdad y aanzar
los valores transcendentales”,
misión de las universidades en
su artículo primero, inspirado
en los principios humanísticos.
Ley de Universidades 8 de
septiembre de 1970.
VOLUME 43
SEPTEMBER - DECEMBER 2020
NUMBER 3
Rev. Téc. Ing. Univ. Zulia. Vol. 43, No. 3, 2020, September-December, pp. 114 - 176
Catalytic performance of CuO/ZnO/Al
2
O
3
catalysts under
water-gas shift reaction cycles
Angeli Mercedes Barroso Velásquez
1
, María Victoria Markovich García
2
, Jeannette
Josefina Zárraga Colina
1
, Alexander José Moronta Cuicas
1
y Victor José Ferrer
Villasmil
1,3
*
º







Abstract
   
2
O
           
             






Keywords:
2
O

Desempeño de catalizadores de CuO/ZnO/Al
2
O
3
sometidos a
varios ciclos de reacción de desplazamiento del gas de agua
Resumen

2
O

            

                





Palabras clave:
2
O


Rev. Téc. Ing. Univ. Zulia. Vol. 43, No. 3, 2020, September-December, pp. 114 - 176

Barroso Velásquez et al.
Introduction




2

2


     
2
     


        
       


           

      

 
2
O
 


     
      

       

  

  
2
O

 
      
      
      
    
         


           
        
      
         
     






Experimental
Catalysts
   
2
O

 
       
         
        




      



Nitrogen adsorption

2
    


2


2





      
       
         
     

CO chemisorption
     
      
        

2












       
       









       




Rev. Téc. Ing. Univ. Zulia. Vol. 43, No. 3, 2020, September-December, pp. 114 - 176

Catalytic performance of Cu catalysts under water-gas shift reaction cycles


S


2


S


2



      
     
         
   

    
H
2



   
2
  
          


  
2
  


2

      

Catalytic activity
       
      
2
   
        


   

 
       
         
     

  
       

 

         
       
       
         
   

      

    
   
2
 


    
2
 
      

   

  
        
      
2
   


Results and discussion

      
       


2
O

        

       






 
         

Table 1
Sample CuO ZnO Al
2
O
3
S
Fresh 56.9 29.5 13.7 -
Cat-B 53.5 31.7 14.4 0.08
Cat-M 54.2 31.8 13.9 0.09
Cat-T 53.7 31.4 14.8 0.12
      

    
         

         


2



Nitrogen adsorption
   
        
  

       
       

2


         
 
2


    


     







Rev. Téc. Ing. Univ. Zulia. Vol. 43, No. 3, 2020, September-December, pp. 114 - 176

Barroso Velásquez et al.
Table 2.
Sample
S
BET
(m
2
g
-1
) S
Cu
(m
2
g
-1
) V
p
(ml g
-1
) Porous size (nm)
Metallic
dispersion (%)
H
2
experimental
consumption (µmol
g
cat
-1
)
Fresh 64.5 13.4 0.20 11.4 2.08 10833 (9822)
Cat-B 12.6 1.6 0.08 21.9 0.25 10322 (9352)
Cat-M 12.2 1.4 0.07 21.3 0.22 10421 (9378)
Cat-T 11.6 0.7 0.06 19.6 0.11 10533 (9361)

XRD

        

     
        


    





 




        
          



         







     
       




        


        
       
       

        
2
O



   
    
  
    

CO chemisorption
       
        
        
        
         


       
         





        


       
       

         
        
        
Rev. Téc. Ing. Univ. Zulia. Vol. 43, No. 3, 2020, September-December, pp. 114 - 176

Catalytic performance of Cu catalysts under water-gas shift reaction cycles


         
        

        

        
       

     
2+
 
1+

       
       

     
2
O





      
2+




        


        


2






        
       

        
       

       


Catalytic activity


o

o

    
         


 

 

   

   
2
O


        



          
     
    
          




  

      



   

         
102030


Rev. Téc. Ing. Univ. Zulia. Vol. 43, No. 3, 2020, September-December, pp. 114 - 176

Barroso Velásquez et al.



        
      
    



       
     


2
O




        
    
  

        
        
       



          



        





    
 

    




Conclusions
   
2
O

 
       
       
      
          
         
      

     
       
      
       
         
       






       
       
         
      
       

        

         




Acknowledgements
      
       

Rev. Téc. Ing. Univ. Zulia. Vol. 43, No. 3, 2020, September-December, pp. 114 - 176

Catalytic performance of Cu catalysts under water-gas shift reaction cycles
References
[1]       
       
      
      
     

[2] 
,
[3] 
      
    77    

[4]         

2
O

2
O
   
     
    


[5] 



[6]       


x
 
      
       

[7]    
   

[8] 
         

2
O
   


[9]        
       

2
O


 
[10]       

[12]        
      

[12]  
2


      

[13]        
       

[14]          




[15] 


[16]          
        
  
2
O
  
     
      

[17] 
      
       

[18] 
  


[19] 
     


2
H
2
        

[20] 

2
O



  
[21]         
       

[22]       
        

[23]     
     
Rev. Téc. Ing. Univ. Zulia. Vol. 43, No. 3, 2020, September-December, pp. 114 - 176

Barroso Velásquez et al.
      


[24]       
2

     
2
O


[25]        
      


[26]        
      


[27] 

    


[28] 


 

2
O


[29] 

    

[30] 


2


 

[31]      

     

2
O
         

[32] 
     
  

REVISTA TECNICA
www.luz.edu.ve
www.serbi.luz.edu.ve
www.produccioncientica.org
OF THE FACULTY OF ENGINEERING
UNIVERSIDAD DEL ZULIA
This Journal was edited and published in digital format
on August 31st 2020 by Serbiluz Editorial Foundation
Vol. 43. N°3, September - December 2020_________