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Method for Wrought and Cast Aluminum Separation.

Authors
Montagna-D; Makar-HV
Source
U S Pat 4 330 090 1982 May; :
Link
NIOSHTIC No.
10011965
Abstract
Wrought aluminum alloys are separated from cast aluminum alloys. The former are primarily aluminum, and the latter contain at least 1.5 pct silicon. The scrap mixture is heated to a temperature (550 deg-580 deg c) above the solidus temperature of the cast scrap. The mixture is crushed, and the cast alloys are fragmented. By using an appropriate screen, the cast fragments are separated from the wrought aluminum alloy pieces, which are merely flattened. The method is useful in the secondary aluminum industry.
Publication Date
19820501
Document Type
PA;
Fiscal Year
1982
NTIS Accession No.
NTIS Price
Identifying No.
PAT 4,330,090
NIOSH Division
CPRC;
Source Name
U.S. Pat. 4,330,090, May 18, 1982; Chem. Abstr. 94:107,190E
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