Process for the synthesis of iron powder

Details Process for the synthesis of iron powder Process for the synthesis of iron powder

1982-05-06

1983-11-08

Stallard, W.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75108, C21B 1500

Patent

active

044140215

ABSTRACT:
A process for preparing iron powder suitable for use in preparing the iron-potassium perchlorate heat-powder fuel mixture used in thermal batteries, comprises preparing a homogeneous, dense iron oxide hydroxide precipitate by homogeneous precipitation from an aqueous mixture of a ferric salt, formic or sulfuric acid, ammonium hydroxide and urea as precipitating agent; and then reducing the dense iron oxide hydroxide by treatment with hydrogen to prepare the iron powder.

REFERENCES:
patent: 2730441 (1956-01-01), Crowley
patent: 2827473 (1958-03-01), Franklin et al.
patent: 2867524 (1959-01-01), Chang
patent: 4388116 (1983-06-01), Carrillo-Cantu

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