Extractive Metallurgy of Copper part 14 docx
Extractive Metallurgy of Copper part 14 docx
... data
Costs
of
Copper Production
387
which:
(a) costs
$500
per annual tonne of copper
(b) produces 200
000
tonnes of copper per year
will be:
$500
per annual
tonne of copper
200 ... the
oxygen
free
(oxygen free copper
[OFC]
or oxygen free high conductivity copper
[OFHC])
grades. The amount
of
382
Extractive Metallurgy
of
Copper
Buch, E., Sie...
Extractive Metallurgy of Copper Part 1 pps
...
References
14
Capture and Fixation of Sulfur
14. 1
14. 2
14. 3
14. 4
14. 5
14. 6
14. 7
14. 8
14. 9
14. 10
Offgases from Smelting and Converting Processes
Sulfuric Acid Manufacture
Smelter Offgas ...
2.1 Locations of Copper Deposits
2.2 Location of Extraction Plants
2.3
2.4 Price of Copper
2.5
Summary
Copper Minerals and ‘Cut-Off Grades
References
3
Conc...
Extractive Metallurgy of Copper Part 2 pot
... 'blister' copper
(1200°C)
is sent
to refining.
14
Extractive Metallurgy
of
Copper
Contaminated Low-grade
copper scrap copper scrap
(EE-99%Cu) (lO-8E%Cu)
4
J.
J.
Black copper
(EO+% ... controlling fineness of
grind for flotation.
28
Extractive Metallurgy
of
Copper
The average grade of ore being extracted from any given mine is determined by...
Extractive Metallurgy of Copper Part 3 pps
... too much oxygen encourages oxidation of
Cu,
as shown previously:
cu,s
+
+02
-+
cu20
+
so2
(4.4).
42
Extractive Metallurgy
of
Copper
There is,
of
course, a time delay
(5
to 10 ... surface of the pulp. This froth prevents bursting of the bubbles
and release of the
Cu
mineral particles back into the pulp. The froth overflows
the flotation cell (often with the...
Extractive Metallurgy of Copper Part 4 pps
... and viscosity of copperhickel sulphide
smelting and converting slags. In
Copper 95-Cobre 95 Proceedings
of
the Third
International Conference,
Vol.
lV
Pyrometallurgy
of
Copper,
ed. ... Density and viscosity of copperhickel sulphide
smelting and converting slags. In
Copper 95-Cobre
95
Proceedings of the lnternationul
Conference,
Vol.
IV
Pyrometallurgy of Copper,...
Extractive Metallurgy of Copper Part 5 potx
...
Extractive Metallurgy ofcopper
7.4.1
Choice
of
matte grade
The Noranda process was initially conceived as a direct-to -copper smelting
process. The furnace at Noranda produced molten copper ... to blast, causing a protective
layer
of
slag to freeze on the outside
of
the lance tip (Solnordal and Gray,
1996).
106
Extractive Metallurgy
of
Copper
The tuyeres are pe...
Extractive Metallurgy of Copper Part 6 pot
... generation of high temperatures even with high
Cu
grade
-
low FeS ‘fuel’
mattes
142
Extractive Metallurgy
of
Copper
Fig.
9.3.
Photograph showing buildup of accretion at the interior end
of ...
al.,
1999).
156
Extractive Metallurgy ofcopper
The continuous presence of metallic copper in a furnace requires that special
care be taken with:
(a) refractories, to...
Extractive Metallurgy of Copper Part 7 ppsx
...
Division of Metallurgy, KTH, Stockholm, Sweden, paper number 059.
114
Extractive Metallurgy
of
Copper
(a) dissolved Cu, present mostly as
Cu'
ions
(b) entrained droplets of matte. ...
solidificatiodflotation
35
18.3
30
copperislagloffgas temperatures,
"C
1210i
1190/ 1175
160
Extractive Metallurgy
of
Copper
Table
10.1.
Physical and operating d...
Extractive Metallurgy of Copper Part 8 doc
...
206
Extractive Metallurgy
of
Copper
It produces:
(a) molten copper,
-0.7%
S
(b) molten slag,
14%
Cu
(c) SO2 bearing offgas,
25-30
volume% S02.
The molten copper continuously departs ...
410
24
194
Extractive Metallurgy ofcopper
FeO
+
C
+
Fe
+
CO
(12.8).
The Fe joins the newly reduced copper.
Glogow
results
The Cu content of the Glogow direct-to -co...
Extractive Metallurgy of Copper Part 9 potx
...
430°C
in a heat exchanger (Fig. 14. 6) and is
passed through the second catalyst bed.
222
Extractive
Metallurgy
of
Copper
14. 3
Smelter Offgas Treatment
14. 3.
I
Gas
cooling
and
heat ...
2917
12
14
2290 (capacity)
96 to 98.5
228
Extractive Metallurgy
of
Copper
formation of
SO3
from
SOz
and
0'-
ions, i.e.:
so2
+
2v5+
+
02-
+
SO,
+
2v4+...
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