292
Preface
3
Chapter 1.
PREPARATION OF ORE ORES FOR ENRICHMENT
…………………………………………………………..
4
1.1.
The granulometric composition of
the ore and methods
for its determination…………………………………….
4
1.2.
The basics of the screening process……………………..
9
1.3.
The basics of the crushing process………………………
16
1.4.
The grinding process…………………………………….
29
1.5.
The classification process……………………………….
46
1.6.
The design and operation of classifiers………………….
50
1.7.
Technological indicators of enrichment…………………
53
Chapter 2.
TECHNOLOGY FOR ENRICHMENT OF COLORED
METAL ORE……………………………………………
57
2.1.
Enrichment technology for copper, copper-pyrite and
copper-zinc ores………………………………………….
57
2.2.
Enrichment technology of porphyry copper ore…………
59
2.3.
Enrichment technology of copper-pyrite ores…………..
62
2.4.
Enrichment technology for copper-zinc ores……………
66
2.5.
Enrichment technology for
copper-lead-zinc
polymetallic ores………………………………………...
69
2.6.
Enrichment technology for lead and lead-zinc ores……..
70
2.7.
Molybdenum ore beneficiation technology……………..
76
2.8.
Enrichment technology for copper-molybdenum ores…..
78
2.9.
Tungsten ore dressing technology……………………….
84
2.10.
The technology of enrichment of gold ore………………
86
2.11.
The technology of enrichment of tin ores……………….
90
2.12.
Nickel ore beneficiation technology…………………….
94
Chapter 3.
HISTORY OF
OPERATION AND DEVELOPMENT
OF NON-METAL MATERIALS………………………
95
293
3.1.
The primary historical stages of
development of
metallurgy………………………………………………..
95
3.2.
Today’s situation of production of noble metals………
98
3.3.
The role of noble metals in the natural economy………
99
Chapter 4.
GOLD, SILVER
AND THEIR FEATURES OF THEIR
SIGNS……………………………………………………
102
4.1.
Physical and chemical properties of gold…..……………
102
4.2.
Physical and chemical properties of silver………………
103
Chapter 5.
GOLD
AND
SILVER
EXPLANATIONS
AND
MINERALS………………………………………...……
104
5.1.
Gold Alloys……………………………………………...
104
5.2.
Silver alloys…………………………………………...…
106
5.3.
