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Recycling of Steelmaking Dusts.

Authors
Barnard-PG; Starliper-AG; Dressel-WM; Fine-MM
Source
3D Min Waste Util Symp Spons by USBoM & IIT Res Inst Chicago 3/14-16/72 :63-68
Link
NIOSHTIC No.
10010377
Abstract
Methods are described for upgrading steel furnace dusts to produce high-iron pellets for recycling. These dusts contain impurities such as zinc, lead, and copper which reflect the character of the feed to the furnace and the operation of the furnaces. Treatment procedures described include (1) pelletization and reduction roasting to remove lead and zinc, (2) sulfation with sulfuric acid or so2 followed by leaching to remove copper and zinc and pelletization and reduction to remove lead and metallize the iron, (3) pelletization of mixtures of dusts containing carbon, zinc, and lead followed by roasting to eliminate said elements, and (4) pelletization and roasting of mixtures of blast furnace dusts, basic oxygen furnace dusts, and mill scale.
Publication Date
19720101
Document Type
OP;
Fiscal Year
1972
NTIS Accession No.
NTIS Price
Identifying No.
OP 79-72
NIOSH Division
RORC;
Source Name
3D Min. Waste Util. Symp., Spons. by USBoM & IIT Res. Inst., Chicago, 3/14-16/72, PP. 63-68
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