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Cobalt-based Catalysts for Ammonia Decomposition
Institute of Chemical and Environment Engineering, West Pomeranian University of Technology, Szczecin, Pulaskiego 10, 70-322 Szczecin, Poland
* Author to whom correspondence should be addressed.
Received: 11 March 2013; in revised form: 20 May 2013 / Accepted: 5 June 2013 / Published: 10 June 2013
Abstract: An effect of promoters such as calcium, aluminium, and potassium oxides and also addition of chromium and manganese on the structure of cobalt catalysts was examined. Studies of the catalytic ammonia decomposition over the cobalt catalysts are presented. The studies of the ammonia decomposition were carried out for various ammonia-hydrogen mixtures in which ammonia concentration varied in the range from 10% to 100%. Co(0) catalyst, promoted by oxides of aluminium, calcium, and potassium, showed the highest activity in the ammonia decomposition reaction. Contrary to expectations, it was found that chromium and manganese addition into the catalysts decreased their activity.
Keywords: ammonia decomposition; cobalt catalyst; activity
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MDPI and ACS Style
Lendzion-Bielun, Z.; Narkiewicz, U.; Arabczyk, W. Cobalt-based Catalysts for Ammonia Decomposition. Materials 2013, 6, 2400-2409.
Lendzion-Bielun Z, Narkiewicz U, Arabczyk W. Cobalt-based Catalysts for Ammonia Decomposition. Materials. 2013; 6(6):2400-2409.
Lendzion-Bielun, Zofia; Narkiewicz, Urszula; Arabczyk, Walerian. 2013. "Cobalt-based Catalysts for Ammonia Decomposition." Materials 6, no. 6: 2400-2409.