Method of treating dust and sludge simultaneously with steel sla

Details Method of treating dust and sludge simultaneously with steel sla Method of treating dust and sludge simultaneously with steel sla

1986-12-23

1988-02-16

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 3, 75 103, 75 25, C21B 304, C22B 702

Patent

active

047253070

ABSTRACT:
A method of modifying dust and sludge simultaneously with steel slag produced in a steel making process. In a reactor equipped with a heating electrode, a predetermined amount of a hydrous silicate mineral as a modifier is fed to molten steel slag having a high temperature to decompose the hydrous silicate mineral, causing the molten steel slag to the stirred with a gas produced as the result of the decomposition and the slag modifying reaction to be promoted, whereby the dust, sludge and steel slag produced in a steel making process not only can be made harmless but also can be effectively reused.

REFERENCES:
patent: 3150958 (1964-09-01), Collin
patent: 4213779 (1980-07-01), Caswell
patent: 4376043 (1983-03-01), Heijwegen

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