copper-lx-sx-ew

Copper Lx-Sx-EwManufacturing Process

V00672/01 (10.2000) Copyright © Sulzer Pumps Finland Oy

General Flowsheet of Process

Leaching

Solvent extractionextraction stage

Solvent extractionwashing stage

Solvent extractionstripping stage

Electrowinning

Copper cathodes

Pregnant leach solution

Loaded organic

Washed loaded organic

Advance electrolyteSpent electrolyte

Unloaded organic

Raffinate solution

OresSulphuric acid

Water



H O2 H O2

Pregnant solution tosolvent extraction

SX

SX

SX

SX

H O2

H O2

H O2

H SO2 4 H SO2 4H SO2 4

RF-tanks

H SO2 4

H SO2 4

5.APP/T

5.APP/T5.APP/T 5.APP/T

4.APP/T

5.APP/T

2.APP/T 2.APP/T

1.APP/T

1.APP/T1.APP/T2.APP/T

3.APP/T 3.APP/T 3.APP/T

6.APP/T

6.APP/T6.APP/T 6.APP/T

6.APP/T

Autoclave Dump leaching

Truck

Oreslow grade and semi-waste

Broken ores Low and medium grade Crushing

Agglomeration

Loading

Heap leaching

PLS Tank

ILS Tank ILS Tank ILS Tank

RF Tank RF Tank RF Tank

PLS Tank PLS Tank

Pumps in Leaching Process (Lx)

1 2 Liquid pH Copper Temp. Density Typical Pump Impeller Seal type Material Dutyo o 3 content g/l ( C, F) (kg/m , head type type

3 lb/ft ) m, ft

Pregnant leach solution, H SO 1-5 g/l2 4

APP/T Closed

Closed

Closed

Closed

Dyn. (DS01)/Double mech.(MR22)




Single mech.(MR02)

Dynamic(DS01)

A890 3A

A890 3A

A890 3A

A890 3A

A890 3A

A890 3A

PLS to SX,from PLS pond

ILS to leach,from ILS pond

RF to leach,from RF pond

RF to RF pond,from SX

Process andmake-up water

Process and make-up sulfuric acid

3.0 - 7.01-2

1

<1

<1

<1

~7

10 - 20/50 - 68

1150/72

1150/72

5 - 20/16 - 66

5 - 20/16 - 66

5 - 20/16 - 66

1 - 20/3 - 66

1 - 103 - 33

1 - 10/3 - 33

1100/69

1100/69

1830/114

1000/63

10 - 20/50 - 68

10 - 20/50 - 68

15 - 20/59 - 68

10 - 20/50 - 68

10 - 20/50 - 68

1.0 - 2.0

0.2 - 0.8

0.5 - 1.0

–

–

1) Dissolved2) Material recommendation is only for specified application

1

Intermediate leach solution, H SO 7-12 g/l2 4

Raffinate solution,H SO 10-15 g/l2 4


Sulfuric acid,H SO 93-95%2 4

Process water

APP/T

APP/T

APP/T

APP/T

APP/T

Closed

Closed

2

3

4

5

6

Copper Lx-Sx-Ew Manufacturing Process

V00672/03 (10.2000) Copyright © Sulzer Pumps Finland Oy 28

Pumps in Leaching Process (Lx)



2.APP/T

1.APP/T

10.APP/T

8.APP/T

11.APP/T

9.APP/T

10.APP/T

4.APP/T

3.APP/T

5.APP/T

6.APP/T

7.APP/T

RF Tank

Leaching

Extraction

RF

RF

Spentelectrolyte

Stripping

Washed loadedorganic tank

Wash watertank

Make-up

Water toRF tanks

Leaching

Washing

Advanceelectrolyte

to electrowinning

RF

Pregnant leach solutionfrom leaching

RF AfterSettler

Crudtank

Pumps in Solvent Extraction Process (Sx)

FreshKerosene

1 2 Liquid pH Copper Temp. Density Typical Pump Impeller Seal type Material Dutyo o 3 g/l ( C, F) (kg/m , head type type

3 lb/ft ) m, ft

1) Dissolved2) Material recommendation is only for specified application

Kerosene APP/T Open Double mech.(MR20)

A890 3A Organicremoval

1.0 - 2.07 15 - 20/59 - 68

900/56

1 - 5/3 - 16

2


APP/T Closed Dyn. (DS01)/Double mech.(MR22)

A890 3A RF to RF pond ,from SX

0.5 - 1.0<1 10 - 20/50 - 68

1100/69

1 - 20/3 - 66

3

Wash water,H SO <45 g/l2 4

APP/T Closed Dynamic seal(DS01)

A890 3A Wash water towashing stage

–<1 15 - 20/59 - 68

1000/62

1 - 5/3 - 16

4

Demineralizated water APP/T Closed A890 3A Deminer. waterto wash water tank

–7 15 - 20/59 - 68

1000/62

1 - 5/3 - 16

5

Sulfuric acid,H SO 93-95% g/l2 4

APP/T Closed A890 3A Processsulfuric acid

–<1 15 - 20/59 - 68

1830/114

1 - 5/3 - 16

6

Electrolyte bleed,H SO 165-175 g/l2 4


A890 3A Electrolyte bleedto wash water tank

30 - 35<1 15 - 20/59 - 68

1200/75

1 - 10/3 - 33

7

Kerosene APP/T Open Double mech.(Mr20)

A890 3A Loaded organicto stripping stage

5.0 - 8.07 15 - 20/59 - 68

850/53

1 - 5/3 - 16

8

Advance electrolyte,H SO 140-150 g/l2 4


A890 1B Advance electrolyteto EW, from SX

45 - 55<1 40 - 50/104 -122

1200/75

1 - 10/3 - 33

9

Crud APP/T Closed A890 3A Crud to crudtreatment system

–7 15 - 20/59 - 68

850/53

1 - 5/3 - 16

0 1

11 Spent electrolyte,H SO 165-175 g/l2 4

APP/T Closed A890 1B Spent electrolyteto SX, from EW

30 - 40<1 40 - 50/104 -122

1200/75

1 - 10/3 - 33

Pregnant leach solution, H SO 1-5 g/l2 4

APP/T Closed Dyn. (Ds01)/Double mech.(MR22)

A890 3A PLS to SX,from PLS pond

3.0 - 7.01-2 10 - 20/50 - 68

1150/72

5 - 20/16 - 66

1



Pumps in Solvent Extraction Process (Sx)

Dynamic seal(DS01)



Dyn. (DS01)/Double mech.(MR22)Dyn. (DS01)/Double mech.(MR22)



Extraction

Cathodes

Cathodes

Advance electrolytefrom extraction

Extraction

1.APP/T

2.APP/T

2.APP/T

3.APP/T 4.APP/T

5.APP/TExtraction

Flotation

Electrowinning

Electrolytetank

Electrowinning

Heatexchanging

SteamCondensate

ExtractionLeaching

+ –

+ –

Pumps in Electrowinning Process (Ew)



1 2 Liquid pH Copper Temp. Density Typical Pump Impeller Seal type Material Dutyo o 3 content g/l ( C, F) (kg/m , head type type

3 lb/ft ) m, ft

Advance electro-lyte, H SO 140-150 g/l2 4

APP/T Closed

Closed

Closed

Closed

Dyn (DS01)/Double mech.(MR22)

Doublemechanical(MR20)

Dyn (DS01)/Double mech.(MR22)


A890 1B

A890 3A

A890 3A

A890 1B

A890 1B

Advance electro-lyte to EW,from SX

Organic removalto SX

Electrolyte bleedto wash watertank

Spent electrolyteto SX, from EW

Electrolyte tocommercial cells

45 - 55<1

7

<1

<1

<1

40 - 50/104-122

1200/75

850/53

1 -10/3 - 33

1 - 5/3 - 16

1 -10/3 - 33

1 - 10/3 - 33

1 - 5/3 - 16

1200/75

1200/75

1200/75

15 - 20/59-68

15 - 20/59-68

40 - 50/104-122

40 - 50/104-122

5.0 - 8.0

30 - 35

30 - 40

35 - 40

1) Dissolved2) Material recommendation is only for specified application3) The floating installation of the pumps in Electrowinning process

1

Kerosene

Electrolyte bleed,H SO 165-175 g/l2 4

Spent electrolyte,H SO 165-175 g/l2 4

electrolyte,H SO 160-170 g/l2 4

APP/T

APP/T

APP/T

APP/T Closed

2

3

4

5

Pumps in Electrowinning Process (Ew)


copper-lx-sx-ew

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