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Cobalt molybdenum nitrides co-promoted by chromium and potassium as catalysts for ammonia synthesis

Dariusz Moszyński, Paweł Adamski, Marlena Nadziejko, Agata Komorowska, and Adam Sarnecki

West Pomeranian University of Technology, Szczecin, Szczecin, Poland

 

E-mail: adamski_pawel@zut.edu.pl

Abstract: Chromium and potassium compounds were added to the ammonia synthesis catalyst based on cobalt molybdenum nitrides. A better developed porous structure was obtained together with the increase of the catalytic activity. In comparison to the non-promoted catalyst, the total surface area and the catalytic activity increased more than 50%. The behavior of the system is discussed in light of the double-layer model of the catalyst surface.

Keywords: Cobalt molybdenum nitride ; Ammonia ; Chromium ; Potassium ; Promoter ; Catalysis 

Full paper is available at www.springerlink.com.

DOI: 10.1007/s11696-017-0292-7

 

Chemical Papers 72 (2) 425–430 (2018)

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