Role of iron catalyst in formation of ammonia
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It is called Haber process.And the catalyst is slightly more complicated than pure Iron.Potassium hydroxide is added to it as a promoter.
The catalyst has no effect on the position of equilibrium.Adding a catalyst does not produce any greater percentage of ammonia in the mixture.It is only added to speed up the reaction.
It is called Haber process.And the catalyst is slightly more complicated than pure Iron.Potassium hydroxide is added to it as a promoter.
The catalyst has no effect on the position of equilibrium.Adding a catalyst does not produce any greater percentage of ammonia in the mixture.It is only added to speed up the reaction.
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Diagram of active surface of iron catalyst for ammonia synthesis promoted by potassium oxide [59]. The surface of iron crystallites is covered by a layer of promoters and oxygen in such a way that over iron atoms there is a layer containing oxygen atoms. Atoms of promoters are to be found over this very layer.
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