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PATENT 3402. SOCIÉTÉ D’ÉTUDES ET DE CONSTRUCTION MÉTAL-LURGIQUES. [Blast-FurnaceGases.] French Patent 683,615, Jan. 28, 1929. Chem. Abs., vol. 24, 1930, p. 4502. The excess of gases from blast furnaces is enriched in H2 by converting the CO thereiun to CO2, treated with steam, and used for the synthesis of NH3 or MeOH. |