Recovery of steel plant revert materials through cementitious agglomeration
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United States of America Patent
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Sep 17, 1996
Grant Date -
N/A
app pub date -
Apr 21, 1995
filing date -
Apr 21, 1995
priority date (Note) -
Expired
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Abstract
A method of recovering steel plant waste revert materials including blast furnace flue dust and sludges involves mixing the revert materials with water to provide a total moisture content of about 14-20% by weight, then adding Portland cement as a sole binder, mixing, and, when the water content is limited to about 18 to 20%, casting the mixture onto the ground in the form of a slab or, when the water content is limited to about 14 to 16% and an accelerator for curing the cement is used, casting the mixture onto a conveyor in the form of preformed streams, curing the cast mixture and breaking it up to provide 1/2 inch to 5 inch agglomerate particles that can be recycled to the blast furnace.
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