Empowering our people,

growing our production

Impala Platinum Limited: BMR OPERATION

2

REFINERIES HISTORY

PALLADIUM

PLATINUM

GOLD

RHODIUM

RUTHENIUM

IRIDIUM

NICKEL POWDER

COBALT POWDER

COPPER CATHODES

OR BRIQUETTES

COPPER

COBALT

NICKEL

ELECTROWINNING

REDUCTION

REDUCTIONBRIQUETTING

AND SINTERING

BASE METALS REFINERYDISSOLUTION OF NICKEL ,

COPPER AND COBALT

GOLDPRECIPITATION

IMPALA PLATINUM MINES

CONCENTRATOR

SMELTERDRYING - SMELTING - CONVERTING

MILLING - FLOTATION

DISSOLUTION

ION EXCHANGE

PRECIPITATION

PRECIPITATION

PURIFICATION &PRECIPITATION

MOLECULAR

TECHNOLOGYRECOGNITION

DISTILLATION

HYDROLYSIS

ION EXCHANGEDISSOLUTION

IMPALA PLATINUMSIMPLIFIED

FLOW DIAGRAM

PLATINUM METALS REFINERY

PURIFICATION &PRECIPITATION

PURIFICATION &PRECIPITATION

ACAD DRG No: PRP_STD_P_0240

3

REFINERIES

• SPRINGS

• NOSCAR

• ISO 9001:2000

• ISO 14001

4

BASE METAL REFINERYBaseMetal

Refinery

5

BMR OBJECTIVE

To upgrade the PGM content of the feed to a level suitable for the refining of the

PGM’s in the PMR, whilst simultaneously cost - effectively extracting the base

metals nickel, copper and cobalt from the converter matte and converting them into

quality saleable products

6

MATTE FROMMINPRO

MATTE FROMMINPRO

NICKELLEACH

NICKELLEACH COPPER

LEACH

COPPERLEACH PGM CONC

LEACHING

PGM CONCLEACHING PGM CONC

DRYING

PGM CONCDRYING DESPATCH TO

PMR

DESPATCH TOPMR

NICKELPURIFICATION

NICKELPURIFICATION COPPER

PURIFICATION

COPPERPURIFICATION COPPER

E/W

COPPERE/W COPPER

PRODUCT

COPPERPRODUCT

NICKELREDUCTION

NICKELREDUCTION COBALT

STRIPPING

COBALTSTRIPPING COBALT

PURIFICATION

COBALTPURIFICATION COBALT

PRODUCTION

COBALTPRODUCTION

NICKEL POWDERWASHING/DRYING

NICKEL POWDERWASHING/DRYING

AMM SULPHPRODUCTION

AMM SULPHAMM SULPHPRODUCTIONPRODUCTION SAMPLE QA

PACKING

SAMPLE QAPACKING

BRIQUETTINGSINTERING

BRIQUETTINGSINTERING SAMPLE QA

PACKING

SAMPLE QAPACKING SALES

SALES

SAMPLE QAPACKING

SAMPLE QAPACKING

MATTEGRINDING

MATTEGRINDING

BMR FLOWSHEET

7

Matte

MILLINGMILLING

1° LEACH1° LEACH

2°LEACH2°LEACH

Cu-WINNINGCu-WINNING

Cu CEMCu CEM

JAROSITEJAROSITE

Ni SOLN ADJUSTMENT

Ni SOLN ADJUSTMENT

Ni REDUCTIONNi REDUCTION

Ni HANDLINGNi HANDLING

Co PLANTCo PLANT

Co REDUCTIONCo REDUCTION

AM SULAM SUL

HSAHSA

NiNi

CoCo

CuCu

BMR FLOWSHEET

8

Matte

MILLINGMILLING

1° LEACH1° LEACH

2°LEACH2°LEACH

Cu-WINNINGCu-WINNING

Cu CEMCu CEM

JAROSITEJAROSITE

Ni SOLN ADJUSTMENT

Ni SOLN ADJUSTMENT

Ni REDUCTIONNi REDUCTION

Ni HANDLINGNi HANDLING

Co PLANTCo PLANT

Co REDUCTIONCo REDUCTION

AM SULAM SUL

HSAHSA

NiNi

CoCo

CuCu

BMR FLOWSHEET

9

Matte

MILLINGMILLING

1° LEACH1° LEACH

Cu CEMCu CEM

JAROSITEJAROSITE

Ni SOLN ADJUSTMENT

Ni SOLN ADJUSTMENT

Ni REDUCTIONNi REDUCTION

Ni HANDLINGNi HANDLING

Co REDUCTIONCo REDUCTION

AM SULAM SUL

NiNi

CoCo

2°LEACH2°LEACH

Cu-WINNINGCu-WINNING

Co PLANTCo PLANT

HSAHSA

CuCu

BMR FLOWSHEET

10

Matte

MILLINGMILLING

1° LEACH1° LEACH

2°LEACH2°LEACH

Cu CEMCu CEM

JAROSITEJAROSITE

Ni SOLN ADJUSTMENT

Ni SOLN ADJUSTMENT

Ni REDUCTIONNi REDUCTION

Ni HANDLINGNi HANDLING

Co REDUCTIONCo REDUCTION

AM SULAM SUL

HSAHSA

NiNi

CoCo

Cu-WINNINGCu-WINNING

Co PLANTCo PLANT

CuCu PMR

BMR FLOWSHEET

11

Matte

MILLINGMILLING

1° LEACH1° LEACH

2°LEACH2°LEACH

Cu-WINNINGCu-WINNING

Cu CEMCu CEM

JAROSITEJAROSITE

Ni SOLN ADJUSTMENT

Ni SOLN ADJUSTMENT

Ni REDUCTIONNi REDUCTION

Ni HANDLINGNi HANDLING

Co PLANTCo PLANT

Co REDUCTIONCo REDUCTION

AM SULAM SUL

HSAHSA

NiNi

CoCo

CuCu

BMR FLOWSHEET

12

Matte

MILLINGMILLING

1° LEACH1° LEACH

2°LEACH2°LEACH

Cu-WINNINGCu-WINNING

Cu CEMCu CEM

JAROSITEJAROSITE

Ni SOLN ADJUSTMENT

Ni SOLN ADJUSTMENT

Ni REDUCTIONNi REDUCTION

Ni HANDLINGNi HANDLING

Co PLANTCo PLANT

Co REDUCTIONCo REDUCTION

AM SULAM SUL

HSAHSA

NiNi

CoCo

CuCu

NaHS + CuSO4 (soln) ? CuS?? + NaHSO4 (1)Ni3S2 + CuSO4 (soln) ? 2NiS? +CuS? +NiSO4 (2)NiS + CuSO4 (soln) ? CuS? +NiSO4 (3)Ni0 + CuSO4 (soln) ? NiSO4 + Cu0? (4)

BMR FLOWSHEET

13

Matte

MILLINGMILLING

1° LEACH1° LEACH

2°LEACH2°LEACH

Cu-WINNINGCu-WINNING

Cu CEMCu CEM

JAROSITEJAROSITE

Ni SOLN ADJUSTMENT

Ni SOLN ADJUSTMENT

Ni REDUCTIONNi REDUCTION

Ni HANDLINGNi HANDLING

Co PLANTCo PLANT

Co REDUCTIONCo REDUCTION

AM SULAM SUL

HSAHSA

NiNi

CoCo

CuCu

BMR FLOWSHEET

14

Matte

MILLINGMILLING

1° LEACH1° LEACH

2°LEACH2°LEACH

Cu-WINNINGCu-WINNING

Cu CEMCu CEM

JAROSITEJAROSITE

Ni SOLN ADJUSTMENT

Ni SOLN ADJUSTMENT

Ni REDUCTIONNi REDUCTION

Ni HANDLINGNi HANDLING

Co PLANTCo PLANT

Co REDUCTIONCo REDUCTION

AM SULAM SUL

HSAHSA

NiNi

CoCo

CuCu

BMR FLOWSHEET

15

Matte

MILLINGMILLING

1° LEACH1° LEACH

2°LEACH2°LEACH

Cu-WINNINGCu-WINNING

Cu CEMCu CEM

JAROSITEJAROSITE

Ni SOLN ADJUSTMENT

Ni SOLN ADJUSTMENT

Ni REDUCTIONNi REDUCTION

Ni HANDLINGNi HANDLING

Co PLANTCo PLANT

Co REDUCTIONCo REDUCTION

AM SULAM SUL

HSAHSA

NiNi

CoCo

CuCu

BMR FLOWSHEET

16

Scroll

Pan filter

Briquette machine Dryer

Matte

MILLINGMILLING

1° LEACH1° LEACH

2°LEACH2°LEACH

Cu-WINNINGCu-WINNING

Cu CEMCu CEM

JAROSITEJAROSITE

Ni SOLN ADJUSTMENT

Ni SOLN ADJUSTMENT

Ni REDUCTIONNi REDUCTION

Ni HANDLINGNi HANDLING

Co PLANTCo PLANT

Co REDUCTIONCo REDUCTION

AM SULAM SUL

HSAHSA

NiNi

CoCo

CuCu

BMR FLOWSHEET

17

Matte

MILLINGMILLING

1° LEACH1° LEACH

2°LEACH2°LEACH

Cu-WINNINGCu-WINNING

Cu CEMCu CEM

JAROSITEJAROSITE

Ni SOLN ADJUSTMENT

Ni SOLN ADJUSTMENT

Ni REDUCTIONNi REDUCTION

Ni HANDLINGNi HANDLING

Co PLANTCo PLANT

Co REDUCTIONCo REDUCTION

AM SULAM SUL

HSAHSA

NiNi

CoCo

CuCu

BMR FLOWSHEET

18

Matte

MILLINGMILLING

1° LEACH1° LEACH

2°LEACH2°LEACH

Cu-WINNINGCu-WINNING

Cu CEMCu CEM

JAROSITEJAROSITE

Ni SOLN ADJUSTMENT

Ni SOLN ADJUSTMENT

Ni REDUCTIONNi REDUCTION

Ni HANDLINGNi HANDLING

Co PLANTCo PLANT

Co REDUCTIONCo REDUCTION

AM SULAM SUL

HSAHSA

NiNi

CoCo

CuCu

BMR FLOWSHEET

19

Co filtrationCo purification

Co reduction

Powder drying

Matte

MILLINGMILLING

1° LEACH1° LEACH

2°LEACH2°LEACH

Cu-WINNINGCu-WINNING

Cu CEMCu CEM

JAROSITEJAROSITE

Ni SOLN ADJUSTMENT

Ni SOLN ADJUSTMENT

Ni REDUCTIONNi REDUCTION

Ni HANDLINGNi HANDLING

Co PLANTCo PLANT

Co REDUCTIONCo REDUCTION

AM SULAM SUL

HSAHSA

NiNi

CoCo

CuCu

BMR FLOWSHEET

20

Matte

MILLINGMILLING

1° LEACH1° LEACH

2°LEACH2°LEACH

Cu-WINNINGCu-WINNING

Cu CEMCu CEM

JAROSITEJAROSITE

Ni SOLN ADJUSTMENT

Ni SOLN ADJUSTMENT

Ni REDUCTIONNi REDUCTION

Ni HANDLINGNi HANDLING

Co PLANTCo PLANT

Co REDUCTIONCo REDUCTION

AM SULAM SUL

HSAHSA

NiNi

CoCo

CuCu

BMR FLOWSHEET

21

Matte

MILLINGMILLING

1° LEACH1° LEACH

Cu CEMCu CEM

JAROSITEJAROSITE

Ni SOLN ADJUSTMENT

Ni SOLN ADJUSTMENT

Ni REDUCTIONNi REDUCTION

Ni HANDLINGNi HANDLING

NiNi

2°LEACH2°LEACH

Cu-WINNINGCu-WINNING

Co PLANTCo PLANT

Co REDUCTIONCo REDUCTION

AM SULAM SUL

HSAHSA

CoCo

CuCu

BMR FLOWSHEET

Empowering our people,

growing our production

END