Improvements in the Treatment of Spathic Iron-ore for use in the Manufacture of Hydrogen.

摘要

122,474. British Oxygen Co., Bray, S. W., and Balfour, I. H. Jan. 23, 1918. Hydrogen.-Spathic iron ore, for use in the production of hydrogen by the alternate reduction and oxidation of iron oxide, is rendered porous by treating with hydrochloric or nitric acid and then washing with water.