Effect of Potassium on the Kinetics of Ammonia Synthesis and Decomposition over Fused Iron Catalyst at Atmospheric Pressure

1997 ◽  
Vol 169 (2) ◽  
pp. 407-414 ◽  
Author(s):  
Z. Kowalczyk ◽  
J. Sentek ◽  
S. Jodzis ◽  
M. Muhler ◽  
O. Hinrichsen
Keyword(s):  
Atmospheric Pressure ◽  
Ammonia Synthesis ◽  
Iron Catalyst ◽  
Kinetics Of ◽  
Fused Iron Catalyst

Kinetics of wet atmosphere reduction of a fused iron catalyst for ammonia synthesis

1991 ◽  
Vol 71 (2) ◽  
pp. L1-L4 ◽  
Author(s):  
A. Barański ◽  
A. Kotarba ◽  
J.M. Łagan
Keyword(s):  
Ammonia Synthesis ◽  
Iron Catalyst ◽  
Kinetics Of ◽  
Fused Iron Catalyst

Kinetics of reduction of an iron catalyst for ammonia synthesis

1980 ◽  
Vol 15 (2) ◽  
pp. 285-291 ◽  
Author(s):  
A. Baranski ◽  
J. M. Lagan ◽  
A. Pattek ◽  
A. Reizer
Keyword(s):  
Ammonia Synthesis ◽  
Iron Catalyst ◽  
Kinetics Of ◽  
Kinetics Of Reduction

scholarly journals Kinetics of reduction of an iron catalyst for ammonia synthesis

1981 ◽  
Vol 16 (2-3) ◽  
pp. 303-303
Author(s):  
A. Barański ◽  
J. M. Lagan ◽  
A. Pattek ◽  
A. Reizer
Keyword(s):  
Ammonia Synthesis ◽  
Iron Catalyst ◽  
Kinetics Of ◽  
Kinetics Of Reduction

Heterogeneity of ingot of the fused iron catalyst for ammonia synthesis

2011 ◽  
Vol 400 (1-2) ◽  
pp. 48-53 ◽  
Author(s):  
Zofia Lendzion-Bieluń ◽  
Roman Jędrzejewski ◽  
Ewa Ekiert ◽  
Walerian Arabczyk
Keyword(s):  
Ammonia Synthesis ◽  
Iron Catalyst ◽  
Fused Iron Catalyst

A novel fused iron catalyst for ammonia synthesis promoted with rare earth gangue

2008 ◽  
Vol 26 (5) ◽  
pp. 711-716 ◽  
Author(s):  
Xiujin YU ◽  
Bingyu LIN ◽  
Jianxin LIN ◽  
Rong WANG ◽  
Kemei WEI
Keyword(s):  
Rare Earth ◽  
Ammonia Synthesis ◽  
Iron Catalyst ◽  
Fused Iron Catalyst

scholarly journals The effect of iron nanocrystallites’ size in catalysts for ammonia synthesis on nitriding reaction and catalytic ammonia decomposition

2011 ◽  
Vol 9 (2) ◽  
pp. 240-244 ◽  
Author(s):  
Rafał Pelka ◽  
Karolina Kiełbasa ◽  
Walerian Arabczyk
Keyword(s):  
Specific Surface ◽  
Surface Area ◽  
Specific Surface Area ◽  
Atmospheric Pressure ◽  
Active Sites ◽  
Ammonia Synthesis ◽  
Iron Catalyst ◽  
Ammonia Decomposition ◽  
Mean Size ◽  
Catalytic Ammonia Decomposition

AbstractIron catalyst for ammonia synthesis of various mean sizes of iron nanocrystallites were nitrided with ammonia in a differential reactor equipped with systems that made it possible to conduct both thermogravimetric measurements and hydrogen concentration analyses in the reacting gas mixture. The nitriding process was investigated under atmospheric pressure at the temperature of 475°C. It was found that along with an increase of mean size of iron nanocrystallites, with a decrease of specific surface area of the samples, nitriding degree of solid samples increased. At the same time the rate of surface reaction of catalytic ammonia decomposition decreased. Along with an increase of the samples’ specific surface area an increase of the catalyst’s activity was observed. However, it was also observed that the concentration of active sites on the catalysts’ surface decreased along with an increase of specific surface area.

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