Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Metal – metal oxide or metal hydroxide
Patent
1986-07-31
1987-10-27
Shine, W. J.
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Metal, metal oxide or metal hydroxide
423362, B01J 2374
Patent
active
047030305
ABSTRACT:
A novel, activated catalyst is provided for the synthesis of ammonia via the photoassisted reduction of molecular nitrogen by water. The novel catalyst is an incompletely reoxidized hydrogen reduced ferric oxide which is prepared by the reduction of an iron oxide such as .alpha.-Fe.sub.2 O.sub.3 in an atmosphere of water vapor and hydrogen followed by oxidation oxygen or in air. The use of the activated catalyst in photoassisted methods for synthesis of ammonia produces yields of ammonia which are many times the stoichiometric equivalent of the Fe(II) in the catalyst employed.
REFERENCES:
patent: 3787335 (1974-01-01), Yarrington
patent: 4587228 (1986-05-01), Frank et al.
Khader Mahmoud M.
Lichtin Norman N.
Prashker David
Shine W. J.
Trustees of Boston University
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