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Bleloch William: Production of alloys of iron. October 26, 1971: US3615349 (8 worldwide citation)

The invention is concerned with the extraction of carbon from ferroalloys, iron and alloy steels by the use of a high-velocity high-temperature plasma jet of a gas having an affinity to form stable volatile carbon compounds but a passivity towards ferrous metals at such high temperatures. The jet is ...


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Bleloch William: Improvements in blast furnace operations. Electroheat Proprietary, September 29, 1971: GB1248331-A

1,248,331. Blast furnace operation. ELECTROHEAT (PTY) Ltd. July 7, 1969, No. 34079/69. Heading C7D. In a blast furnace, after kindling using a blast of air or oxygen-enriched air, a blast is used which is predominantly a mixture of O 2 and a proportion of the furnace top gas, the top gas being parti ...


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