Process for desulfurizing molten metals

Details Process for desulfurizing molten metals Process for desulfurizing molten metals

1974-05-20

1976-03-16

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204195S, C25F 100

Patent

active

039444767

ABSTRACT:
Process for decreasing the sulfur content of liquid metal using high temperature comprising passing a direct current by means of two electrodes through a solid electrolyte constituting a refractory wall of oxide having anionic conductivity through the oxygen (O.sup.-.sup.-) ions and also cationic conductivity through ions which are capable of reacting with the sulfur, wherein the metal to be purified forms the negative electrode. The process is particularly adapted to desulfurizing iron and ferrous alloys when present in the liquid state.

REFERENCES:
patent: 800984 (1905-10-01), Chance
patent: 3400054 (1968-09-01), Ruka et al.
patent: 3619381 (1971-11-01), Fitterer

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