| 摘要 |
<p>1522248 Silicate coated sponge iron MIDREX CORP 26 Aug 1976 [19 Sept 1975] 35591/76 Heading B2E Oxidation of sponge iron is inhibited by treatment with an alkali metal silicate, preferably as an aqueous solution, e.g. by immersion or spraying. The alkali metal is preferably Na but may be K or Li. The treated sponge iron may be dried under oxidising conditions, e.g. at 250 to 400‹F.</p> |
