Domestic and foreign gold and silver ore dressing indicators

Domestic and international gold and silver ore processing ore index: Jiapigou gold processing plant, gold processing plant Xiuyan, Wenyu gold mines election, election turnout hole Qinling Gold Mine gold mines, Tongguan gold mine, gold factory Gouliang Gold Mine Concentrator, Honghuagou Gold Mine Concentrator

Table 1 Domestic and foreign gold and silver mineral processing indicators

sequence

number

Mineral processing plant name

scale

t/d

Deposit type and mineral composition

Process flow introduction

Product name

Selection indicator

Raw ore grade g/t

Concentrate grade

g/t

Flotation recovery

%

Leach rate

%

Washing rate

%

Replacement rate

%

Total recovery

%

1

Jiapigou Gold Mine Concentrator

600

Gold-bearing polymetallic quartz vein deposit. The main metallic minerals pyrite, yellow copper ore, galena, native gold. The gangue mineral is quartz

Two sections, one closed circuit, one section of grinding , amalgamation -flotation combined process

Heterogeneous gold and gold concentrate

5.0

90.97

38

91

2

Xiu rock gold mine

200

Gold-bearing quartz vein deposit. The main metal minerals are pyrrhotite, pyrite, galena , and natural gold. The gangue mineral is quartz

A wet self-grinding, one coarse, four sweep, four fine flotation process

Gold concentrate

6.39

172

93.7

93.7

3

Wenyu Gold Mine Concentrator

500

Gold-bearing polymetallic quartz vein deposit. The main metal minerals are galena, pyrite, chalcopyrite , and natural gold. The gangue mineral is quartz

Three sections and one closed circuit, one section of grinding, copper-lead mixed flotation, tailings sulfur selection

Gold-bearing concentrate , sulfur concentrate

8.85

50

92

92

4

Qinling Gold Mine Jindongyu Concentrator

250

Gold-bearing polymetallic quartz vein deposit. The main metallic minerals pyrite, galena, chalcopyrite, native gold. The gangue mineral is quartz

Three-stage open circuit crushing, two-stage grinding, amalgamation-flotation combined process; copper-lead mixed flotation and separation, tailings sulfur selection

Gold-bearing copper and lead concentrate

5.44

63

84.1

84.1

5

Shaoguan Gold Mine Concentrator

300

Gold-bearing quartz vein deposit. The main metal minerals are pyrite, limonite , and natural gold. The gangue mineral is quartz

Two sections and one closed circuit, one section of grinding, single flotation process

Gold concentrate

5.61

78.85

87.16

6

Jinchanggouliang Gold Mine Concentrator

150

Gold-bearing sulfide ore quartz vein deposit. The main metallic minerals pyrite, silver, gold mine. The gangue mineral is quartz

Two sections and one closed circuit, single flotation process

Gold-containing sulfur concentrate

4.9

26.5

92.8

92.8

7

Honghuagou Gold Mine Concentrator

150

Gold-bearing quartz vein deposit. The main metal minerals are pyrite and silver gold. The gangue mineral is quartz

Two-stage open road crushing, one section of grinding, single flotation process

Gold concentrate

6.07

112

91.4

91.4

8

Suichang Gold Mine Concentrator

300

Containing gold and silver quartz vein deposits. The main metal minerals are pyrite and gold and silver . The gangue mineral is quartz

Two sections, one closed circuit, stage grinding, single flotation process

Gold concentrate

11.2

107.1

94.2

94.2

9

Xiangxi Gold Mine Concentrator

980

Gold-bearing tungsten- rhenium quartz vein deposit. The main metal minerals are scheelite , stibnite , and natural gold. The gangue mineral is quartz

Two sections and one closed circuit, rod, ball mill two-stage grinding, re-election, amalgamation, flotation combined process

Gold-bearing concentrate, crude gold ingot, white tungsten concentrate

4.26

68.13

88.15

88.15

10

Golden Cave Gold Concentrator

80

Gold-bearing high- arsenic quartz vein deposit. The main metal minerals are arsenopyrite, pyrite, and natural gold. The gangue mineral is quartz

A section of open road breaking, a section of grinding, flotation, roasting combined process

Gold concentrate

3.27

86.4

83.12

83.12

11

Longshui Gold Mine Longshuiling Concentrator

100

Gold-bearing sulphide deposit. The main metal minerals are pyrite and natural gold. The gangue mineral is quartz

Two sections, one closed circuit, one section of grinding, flotation, thiourea combined process

Gold concentrate

2.66

32

78.9

78.9

12

Southeast Gold Mine Concentrator

100

Gold-bearing quartz vein deposit. The main metal mineral pyrite, natural gold. The gangue mineral is quartz

A section of open road crushing , two-stage grinding, amalgamation, flotation, re-election combined process

Gold concentrate, coarse gold ingot

2.69

58.9

38

89

13

Unitygou Gold Mine Concentrator

500

Gold-bearing quartz vein deposit. The main metal minerals are pyrite, limonite, and natural gold. The gangue mineral is quartz and feldspar

Three sections of a closed circuit crushing, secondary grinding, ore cyanide - powdered zinc substitution process

Qualified gold ingot

4.23

88.12

92.12

87.76

81.18

14

Jinchangyu Gold Mine Concentrator

750

Gold-bearing quartz vein deposit. The main metallic minerals pyrite, native gold, gangue minerals as quartz, carbonate

Three sections and one closed circuit, one section of grinding, flotation concentrate regrind, cyanide-zinc powder replacement joint process

Qualified gold ingots. Sulfur concentrate

4.3

133.5

94.36

97.2

99.94

99.82

91.5

15

Wulong Gold Mine Concentrator

700

Gold-bearing quartz vein deposit. The main metallic minerals pyrite, magnetite, natural gold. The gangue mineral is quartz

Three sections and one closed circuit, two sections of grinding, flotation concentrate regrind, cyanide-zinc powder replacement joint process

Concentrated gold ingot, sulfur concentrate

3.86

105.42

89.59

94.65

99.81

98.6

83.45

16

Zhaoyuan Gold Mine Linglong Concentrator

860

Gold-bearing quartz vein deposit. The main metal minerals are pyrite, chalcopyrite and silver-gold. The gangue mineral is quartz

Three sections and one closed circuit, two sections of grinding, flotation concentrate regrind, cyanide-zinc powder replacement joint process

Gold ingot, silver ingot, sulfur concentrate

6.63

64.39

95.13

97.62

99.75

99.96

92.6

17

Jiaojia Gold Mine Concentrator

750

Altered granite type gold deposit. The main metal minerals are pyrite and silver gold. Gangue minerals as quartz, sericite

Two sections and one closed circuit, one section of grinding, flotation concentrate re-grinding, cyanide-zinc powder replacement joint process

Concentrated gold ingot, sulfur concentrate

4.49

137.79

91.44

98.49

99.64

99.59

89.37

18

Xincheng Gold Mine Concentrator

500

Altered granite type gold deposit. The main metal minerals are pyrite and silver gold. The gangue mineral is quartz and sericite

Two sections and one closed circuit, one section of grinding, flotation concentrate regrind, cyanide-zinc powder replacement joint process

Gold ingot, silver ingot, sulfur concentrate

4.43

92.42

95.27

98.52

99.64

99.87

93.4

19

Zhangjiakou Gold Mine Concentrator

450

Gold-bearing quartz vein deposit. The main metal minerals are limonite, hematite , and natural gold. The gangue mineral is quartz

Two sections, one closed circuit, one section of grinding, flotation process

Gold concentrate

3.79

170.16

74.04

74.04

20

[Plus] Palmer 1 (Pa-

Mour)

3200

Gold-bearing quartz vein deposit. The main metal minerals are pyrite, pyrrhotite, arsenopyrite, and natural gold. The gangue mineral is quartz and calcite.

Three-stage and one closed-circuit phase grinding, flotation, concentrate re-grinding, cyanide, zinc powder replacement joint process

Qualifying gold

3.67

125.6

93.02

98.92

98.92

92.02

twenty one

[United States] Duval (Du-

Val)

2720

Siliceous breccia gold-bearing sulphide deposits. The main metal minerals are pyrite, pyrrhotite, chalcopyrite, gold and silver ore.

Three sections and one closed circuit, two sections of grinding, re-election, cyanide carbon slurry combined process

Qualifying gold

2.74

92.5

twenty two

[United States] Homestead (Home-

Stake)

5250

Mafic carbonate gold deposit. The main metal minerals are pyrite, arsenopyrite, pyrrhotite and natural gold. The gangue mineral is quartz and calcite.

Three sections and one closed circuit, two sections of grinding, mud sand treated by carbon slurry method and conventional cyanidation method

Gold ingots and silver ingots

4.8

95

twenty three

[United States] Carlin (Ca-

Rlin)

2500

Siltstone and carbonaceous lime shale gold deposits. The main metal minerals are pyrite and natural gold. The gangue mineral is quartz and dolomite

Three sections of a closed circuit crushing, grinding period, the carbonaceous mineral oxide chlorination, followed by conventional cyanidation treatment combined with oxidized ore

Gold ingots and silver ingots

6 to 7.8

85

twenty four

[South Africa] Eland-srand

6000

Gold-bearing quartz rock gravel bed. The main metal minerals are pyrite, porphyrite, and natural gold. The gangue mineral is quartz

Self-grinding, ball-milling two-stage grinding; re-election, cyanide joint process

Qualifying gold

5

95

25

[United States] Free Lane (Free-

Prot)

3000

Sulphur-depleted gold deposits, the main metal minerals are pyrite, stibnite, realgar, cinnabar and natural gold. The gangue mineral is silicified limestone and vermiculite

A section of crushing, semi-self-grinding and ball milling, grinding, cyanide carbon slurry method - zinc powder replacement process

Qualifying gold

7.2

92


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