Iron oxide containing precursor to a catalyst

Details Iron oxide containing precursor to a catalyst Iron oxide containing precursor to a catalyst

B - Operations, Transporting

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B01J 23/78 (2006.01) B01J 23/74 (2006.01) B01J 23/745 (2006.01) B01J 23/75 (2006.01) B01J 37/00 (2006.01) C01C 1/04 (2006.01) C01G 49/00 (2006.01) B01J 35/00 (2006.01) B01J 37/03 (2006.01)

Patent

CA 1244814

Abstract Catalysts An iron oxide containing precursor to a catalyst for e.g. ammonia synthesis, having a surface area above 10 m2.g-1 also containing alumina and an alkaline earth. The alkaline earth may be present as an alkaline earth aluminate. The com- position may be made by precipitation followed by calcination. for use as an ammonia synthesis catalyst precursor, an alkali metal, e.g. potassium, is preferably incorporated into the com- position to promote catalytic activity. The presence of "free" alkaline earth, as opposed to alkaline earth aluminate reduces the amount of alkali metal required.

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