Developing local skills in Sudan's extractive industry...Reserve estimation & Mine Optimization . Metallurgy & processing technique to extract gold. Engineering, design parameters

UNCTAD

17th Africa OILGASMINE, Khartoum, 23-26 November 2015

Extractive Industries and Sustainable Job Creation

Developing local skills in Sudan's extractive industry

By

Osama Abdel Karim Aloub, Technical Adviser (Metallurgy), Rida Mining Group, Sudan

The views expressed are those of the author and do not necessarily reflect the views of UNCTAD.

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By

Osama A. Aloub

Republic of Sudan

Ministry of Minerals

Rida Mining Company

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CONTENTS

• GENERAL OVERVIEW

• MINE INITIATION HISTORY

• RIDA PROJECT LIFE CYCLE

• DEVELOPPING SKILL OF INDIVIDUALS

• ELEMENTS OF TRAINING PLAN

• HEALTH & SAFETY SUBJECTS

• ARTISANAL TAILING REPROCESSING PLANTS

• CREATED JOBS & STATISTICS

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GENERAL OVERVIEW

Rida Mining, a private national company pioneer in mining and mineral extractive industry and currently operating three plants:

Assalam Proper Mine (Abidiya Area) , to extract gold from auriferous deposit.

Chromite ore production, Ingassena, Blue Nile State.

6 Gold Extractive Plants from Artisanal Tailings within 4 states of Sudan.

The company employs > 2000 person to operate these activities.

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RIDA MINING CONCESSION – BLOCK 23

منجم

السالم

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MINE INITIATION HISTORY

Rida Mining, financing & performing the whole project life cycle

depending only on experienced and technically skilled Sudanese staff to

carry out the followings:

Geological and exploration.

Reserve estimation & Mine Optimization .

Metallurgy & processing technique to extract gold.

Engineering, design parameters and process flowchart.

Feasibility Study, equipment procurement.

Construction and gold production November 2009.

All these studies were carried by Sudanese expert except the

Engineering phase which was performed in cooperation with ( Time

Mining SA).

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21%

26%

6%

4%

2%

12%

12%

18%

0 0.5 1 1.5 2 2.5

Geological and exploration, works

Detailed geological studies & drilling program.

Calculating Ore Reserve and Block model

Performing metallurgical test on the ore,

Selection of Process method

Develop the basic Engineering concept

Issuing of Definitive Feasibility Study.

Commissioning and Start up

Number of Years

P

e

r

f

o

r

m

e

d

T

a

s

k

s

RIDA PROJECT LIFE CYCLE 2000 - 2009

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Mining Project Initiation Cycle

Open Pit Ore

mining

Crushing

Open Pit

Model

Heap

Stacking

ADR

Bullion

Bar

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DEVELOPPING SKILL OF INDIVIDUALS

Rida is devoted to have highly skilled personnel to

meet the company`s current and future manpower

needs cycled as:

Pre-employment training programs for newly

hired university graduates and inexperienced.

On the Job training, teaching individual how to

perform his job

Rotation Assignment, rotate an employee within

his department or in different location.

Individual Skill analysis to retain the position

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RIDA MINING SKILL DEVELOPMENT CYCLE

Inexperienced

Employees

Pre-employment

Training

Apprentice Experienced

Employees

On the Job Training

Rotation Assignment

Performance Appraisal

Skilled Employee

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Class Room Training Site Visit Training

Lecture with aid of PowerPoint

presentation

Guided Visit to the designated plant

Explanation of the operation manuals

Visits to one or two operating plants

Familiarization with the process

flowchart & layout drawings.

Visit of the respective section of the

plant where person is assigned to

work

Familiarization with particular

equipments through documents

Workshop hands with particular

equipments disassembled

ELEMENTS OF TRAINING PLAN

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HEALTH & SAFETY SUBJECTS

General Health & Safety training

Technical equipment training

Protective Personal Equipment (PPE)

Handling dangerous substances

Good housekeeping

Recycling water monitoring

Cover a range of issues identified through

consultation

Targeted and tailored courses to suit needs

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UM DORMANMINING COMPANY

( BLOCK 23 CONCESSION) ASSALAM HEAP LEACH OPERATION

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27

104 137

434

702

0

100

200

300

400

500

600

700

800

Trainee Graduates Technicians Operators Total

N

o

.

o

f

E

m

p

l

o

y

e

e

s

Employees Category

RIDA MINING - UM DORMAN COMPANY

ASSALAM MINE JOB CREATION RATE

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BLOCK 23 MINE GOLD EXTRACTIVE PLANT

0

1000

2000

3000

4000

5000

6000

7000

2009 2010 2011 2012 2013 2014 Total

G

o

l

d

I

n

K

g

PRODUCTION YEAR

ASSALAM MINE GOLD ANNUAL PRODUCTION

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ARTISANAL MINER TAILINGS DUMPS

• Rida Mining is commissioned to develop

suitable Extractive Processing techniques

• It has successfully developped reprocessing

plants mostly using Carbon-In- Leach (CIL)

& Heap Leaching methods to extract gold.

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ARTISANAL TAILING REPROCESSING PLANTS OWNED BY RIDA MINING

Northern State

Al Hsour Company

Kodorma CIL -

1500

Khanag HL - 1000

River Nile State

Exseer H L -4000t/d

Exseer CIL- 3000t/d

Red Sea State

Wedian CIL –

250 t/d

River Nile

State

Rida CIL - 1500

Um Durman

Al Gadarif State

Abu Regia CIL

1500 t/d

River NileState

Sedon CIL

300 t/d

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Um Dorman

Exseer

Al Hasoor

Al Hamdeen

Abu Regia

0

100

200

300

400

500

600

700

800

Trainee Graduates Technicians Operators Total Employees

27

104

137

434

702

26

86

176

219

507

29

117

58

273

477

10

99

31

177

317

16

62

25

134

237

C

o

m

p

a

n

y

N

a

m

e

E

m

p

l

o

y

e

e

s

N

u

m

b

e

r

Categories of Employees

RIDA GROUP DIFFERENT COMPANIES JOB CREATION RATE

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GOLD PRODUCTION STATISTIC

Um Durman HL Exseer HL Sedon HL Abu Regia CIL Al Hsour CIL Al Hsour HL

Gold In Feed 3560 2750 1440 505 260 320

Gold Produced in Kg 1700 1446 650 450 235 158

0

500

1000

1500

2000

2500

3000

3500

4000

G

o

l

d

I

n

K

g

Company Name

RIDA COMPANIES PRODUCTION STATISTICS

January to August 2015

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Material Handling & Milling Circuit

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1500 t/d Carbon-In-Leach Plant to Retreat the Artisanal

tailing at Kodorma , northern State, Sudan

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GOLD REFINING EQUIPMENT

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PRODUCED GOLD BAR

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Exseer Mining Company – River Nile state

Abu Hamad 4000 t/d Artisanl Heap Leach Plant

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