Modifying slag for smelting steel in electric arc furnaces

Details Modifying slag for smelting steel in electric arc furnaces Modifying slag for smelting steel in electric arc furnaces

1999-11-12

2000-11-07

King, Roy V.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 105, 75 1047, 75 1048, 65 19, C21C 7076

Patent

active

061430501

ABSTRACT:
An improved method for modifying slag in an electric arc furnace comprising introducing into the slag, or on top of the slag, vermiculite platelets which have been refined into concentrated form whereby the flakes comprise at least 50%, and more preferably at least 80%, by dry weight hydrated magnesium aluminum (iron) silicate.

REFERENCES:
patent: 4589915 (1986-05-01), Gorgerino
patent: 5385599 (1995-01-01), Freissmuth
patent: 5954855 (1999-09-01), Gitman et al.
Hindman, James R. "Vermiculite as an Industrial Mineral" http://www.mcn.net/.about.verimculite/overview.html pp. 1-4. 1997.
The Schundler Company. "Vermiculite: Naturally Occuring, Safe, and Plentiful" wysiwyg:AnswerFrame.20//http:www.vermiculite.net/ pp. 1-4.
VCX.TM. Vermiculite Ore Concentrate, W.R. Grace & Co.-Conn., 1991.

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