Desulfurization process

Details Desulfurization process Desulfurization process

1980-01-22

1981-05-12

Rosenberg, P. D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 53, C21C 702

Patent

active

042669693

ABSTRACT:
A process for desulfurizing a bath of molten iron contained in a vessel comprising the steps of injecting particulate lime and a carbon-containing particulate with a non-oxidizing carrier gas beneath the surface of the bath to remove sulfur from the iron, while controlling the rate of injection of the carbon-containing particles to prevent substantial ejection of the bath from the vessel. The preferred carbon-containing materials are graphite and a compound containing at least carbon and hydrogen in proportions ranging from CH.sub.>0 to CH.sub.2. The preferred carrier gas is a hydrocarbon gas.

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patent: 3929464 (1975-12-01), Todd
patent: 3953198 (1976-04-01), Easwaran
patent: 3957502 (1976-05-01), Cull
patent: 3980469 (1976-09-01), Forster
patent: 3998625 (1976-12-01), Koros
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patent: 4076522 (1978-02-01), Yoshida
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patent: 4159906 (1979-07-01), Meichsner
patent: 4162917 (1979-07-01), McWhorter

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