Recovery of steel plant revert materials through cementitious ag

Details Recovery of steel plant revert materials through cementitious ag Recovery of steel plant revert materials through cementitious ag

1995-04-21

1996-09-17

Bell, Mark L.

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

106606, 106623, 106624, 106707, 106709, 106714, 106717, 106733, 106789, 106819, 75318, 75322, 75326, 264 37, 264145, 264157, 264DIG69, C04B 1804, C04B 1814

Patent

active

055564577

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.

REFERENCES:
patent: 4063944 (1977-12-01), Behring
patent: 4961790 (1990-10-01), Smith et al.
patent: 5100464 (1992-03-01), Kelly et al.
patent: 5395441 (1995-03-01), Bogdan et al.
Holley, "Agglomeration of steel plant waste for recycling", proceedings of the 19th Biennial Conference, IBA, pp. 116-177 (Date unknown).

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