Partially reduced ferric oxide catalyst for the making of ammoni

Details Partially reduced ferric oxide catalyst for the making of ammoni Partially reduced ferric oxide catalyst for the making of ammoni

1987-07-17

1988-08-09

Doll, John

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

423352, B01J 1912

Patent

active

047626003

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: 4113590 (1978-09-01), Schrauzer et al.
patent: 4427510 (1984-01-01), Lichtin et al.
patent: 4612096 (1986-09-01), Lichtin et al.

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