Process for manufacture of ferric nitrate

Details Process for manufacture of ferric nitrate Process for manufacture of ferric nitrate

1987-09-18

1989-02-28

Stoll, Robert L.

Chemistry of inorganic compounds

Nitrogen or compound thereof

Oxygen containing

C01B 2148

Patent

active

048083933

ABSTRACT:
A novel process for the manufacture of an aqueous ferric nitrate solution is provided. This process overcomes the passivation problem associated with the reaction of nitric acid and iron. The process is effected at a critical reaction temperature less than the ferric nitrate-to-ferric oxide decomposition temperature, thereby yielding a reaction product low in ferric oxide. The process involves repeated cycling of nitric acid through a bed of pieces of iron.

REFERENCES:
patent: 1385769 (1921-07-01), Ball
patent: 2053518 (1936-09-01), Crittendon
patent: 2581519 (1948-02-01), Critchley
patent: 3888973 (1975-06-01), Colwell et al.
patent: 4305846 (1981-12-01), Jennings
Dictionary of Commercial Chemicals, 3rd Edition, p. 149.

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