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Chemical and Physical Separation--bulk Specimens--task B--physical Separation.

Authors
Anonymous
Source
Ppr in Char Recovery & Recycling of Elec Arc Furnace Dusts 1982 Feb; :Ivc-1--iv.c-13
Link
NIOSHTIC No.
10006447
Abstract
One large sample of carbon steel dust and one large sample of stainless steel dust were given physical separation tests by the Twin Cities Research Center. The tests showed that physical separation was of no value in treating high-chromium dust from stainless steelmaking. However, physical separation using wet processing has potential value for treating high-zinc dust from carbon steelmaking. Because of the very small particle size and high specific surface area, separation methods requiring adsorption of chemical reagents are not economically feasible with the present technology and the particle size is too small for specific gravity- based techniques. Low-intensity wet magnetic separation is the most practical method of physical separation. Separation with a typical ceramic permanent magnet wet drum separator yields a low-zinc ferromagnetic product and a zinc-enriched product.
Publication Date
19820201
Document Type
OP;
Fiscal Year
1982
NTIS Accession No.
NTIS Price
Identifying No.
OP 27-82
NIOSH Division
TCRC;
Source Name
Ppr in Char., Recovery & Recycling of Elec. Arc Furnace Dusts, Feb. 1982, PP. IV c-1--iv.c-13
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