Removal of copper from ferrous scrap

Patent · Sun Dec 31 23:00:00 EST 1989

OSTI ID:867378

Blander, Milton ^[1]; Sinha, Shome N ^[2]

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1. 12833 S. 82nd Ct., Palos Park, IL 60464
2. 5748 Drexel, 2A, Chicago, IL 60637

A process for removing copper from ferrous or other metal scrap in which the scrap is contacted with a polyvalent metal sulfide slag in the presence of an excess of copper-sulfide forming additive to convert the copper to copper sulfide which is extracted into the slag to provide a ratio of copper in the slag to copper in the metal scrap of at least about 10.

• Research Organization: Argonne National Laboratory (ANL), Argonne, IL
• DOE Contract Number: W-31109-ENG-38
• Assignee: Blander, Milton (12833 S. 82nd Ct., Palos Park, IL 60464);Sinha, Shome N. (5748 Drexel, 2A, Chicago, IL 60637)
• Patent Number(s): US 4925488
• OSTI ID: 867378
• Country of Publication: United States
• Language: English

Related Subjects

/75/
10
additive
contacted
convert
copper
copper sulfide
copper-sulfide
excess
extracted
ferrous
ferrous scrap
forming
metal
metal scrap
metal sulfide
polyvalent
polyvalent metal
presence
process
provide
ratio
removal
removing
removing copper
scrap
slag
sulfide
sulfide form