... of associated metals in the
secondary metallurgy of copper. In
Third
Int.
Symp. Recycling
of
Metals and Engineered
Materials,
ed. Queneau, P.B. and Peterson, R.D., TMS, Warrendale, PA, ... recycled
profitably.
Wastes
generally have:
(a) a low copper content;
Collection
and
Processing
of
Recycled
Copper
343
Fig.
20.1.
Flowsheet of ‘materials cycle’. This is...
...
Zimbabwe
2
10
7 2
Total
13200 11800
12700 2300
N
22
Extractive Metallurgy
of
Copper
16
Extractive Metallurgy
of
Copper
Electrochemical processing is always used in producing high-purity ... Corp., New York,
NY.
Copper Development Association (2002) Copper and copper alloy consumption in the
United States by functional use
-
1997. www .copper. org (...
...
Cutaway view of hydrocyclone showing tangential input of water-ore particle
feed and separation into fine particle and coarse particle fractions. The cut between fine
particles and coarse particles ... to Cu minerals, leaving other
minerals ‘wetted’
(c)
collisions between small rising air bubbles and the now-water repellent
Cu minerals result in attachment of the Cu mineral parti...
... status. Paper prepared for 19 94 TMS
Annual Meeting, San Francisco, February 27-March 4, 19 94.
Biswas, A.K. and Davenport, W. G. (19 94)
Extractive Metallurgy
of
Copper,
3rd
Edition,
Elsevier ... pass
others
bed 1
bed 2
bed 3
bed 4
bed
5
Catalyst
bed
1
Converter diameter, m
Thickness
of
catalyst beds,
m
bed 2
bed
3
bed 4
bed
5
Gas into converter
fl...
... until its S-in -copper is lowered to
-0 .002%
molten copper bath.
Hydrocarbon blowing is terminated when the 0-in-molten copper concentration
has been lowered to
-0 .15%
0
(as detected with disposable ... 76.
Electro-nite (2002) www.electro-nite.com (Products, Copper)
Engh, T.A. (1992)
Principles of Metal Refining.
Oxford University Press, 52 and 42 2
www.oup.co.u...