Fluidizing a lime-silica slag

Details Fluidizing a lime-silica slag Fluidizing a lime-silica slag

1988-09-12

1989-10-17

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 53, 75 58, 75257, C21C 702

Patent

active

048744280

ABSTRACT:
A method of fluidizing a cold lime-silica slag covering a molten metal. An acid flux is prepared from a particulate admixture of sodium fluoroaluminate and sodium silicate. The flux is mixed with the cold slag forming a fluid slag having at least 1% by weight F- and at least 1% by weight Na.sub.2 O. The treated slag has a reduced melting point allowing it to be mechanically skimmed from the molten metal and has a high sulfur capacity.

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patent: 4290809 (1981-09-01), Loane

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