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By way of melting, iron and iron-cobalt wustite based catalysts promoted with oxides of calcium, aluminium, and potassium were obtained. Measurements of the activity in the ammonia synthesis reaction at pressure of 10MPa were conducted. A positive effect of cobalt addition into the wustite structure of the iron catalyst on increasing in the catalyst catalytic activity in the ammonia synthesis reaction,...
The distribution of aluminium and magnesium oxides in wusite catalysts for ammonia synthesis was studied using the selective etching method, energy dispersive spectroscopy (EDS) and nitrogen chemisorption. Aluminium oxide was found to occur in three forms in the wustite catalyst's precursor: one in the solid solution with wustite, the other two in the spaces between wustite grains, being distinguished...
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