Emerging producer of Ferrochrome · ZIMBABWE Chrome ore: • 11 narrow but persistent chrome seams...
Transcript of Emerging producer of Ferrochrome · ZIMBABWE Chrome ore: • 11 narrow but persistent chrome seams...
CW Mining LtdEmerging producer
of
Ferrochrome
Zimbabwe
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Disclaimer
OPPORTUNITY
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• South African chrome ore is the key variablein the Chinese production cost calculation
• HC FeCr production cost in China will be key,and that will be determined by:ore availability and price
chrome ore
• 0.6 tonne
ferrochrome
• 0.25 Tonne
Stainless Steel
• 1 tonne
chrome ore
• 2.5 tonnes
ferrochrome
• 1 Tonne
Stainless Steel
• 4 tonnes
Stainless Steel Drives Ferrochrome Demand
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To produce one tonne of Ferrochrome
To make one tonne of typical Stainless Steel
Stainless Steel
60% Iron
10% nickel
18% chromium
Typical Stainless Steel Composition
Consumer goods and
medical30%
Food and catering
19%
Chemical, petrochem and energy
17%
ABC and infrastructure
15%
Industrial8%
Light automotive
7%
Other4%
USES OF STAINLESS STEEL
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Chrome Market Fundamentals
Urbanization Driving Demand
Stainless Steel
Ferrochrome
Chrome
Sustainability
Urbanization
Energy and Climate
Clean Water
Stainless steel production increased from 2017 to 2018 by 3.4 million tonnes, or 6.8% yoy
Stainless Steel production, China and Rest of the World
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ZIMBABWE➢ Chrome ore:
• 11 narrow but persistent chrome seams (reefs) on the Great Dyke – more than three billion tonnes.
• Alluvial and eluvial chrome deposits associated with the Great Dyke are also significant.
• Locally the concentration ranges up to 35% Cr in soils.• Platinum Group Metals are present in some of
the chrome reefs
➢ Zimbabwe also hosts many other important mineral deposits:
base metals (Cu, Ni, Li)gold diamonds
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Zimasco ferrochrome: the SRP3 slag dump
This central region has a high quality chrome ore - which feeds through to a high quality ferrochrome product - with a desirable ratio of Cr to Fe (typically 2:1)
The SRP3 slag pile at Zimasco’s Kwekwe operations
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Zimbabwe’s Great Dyke➢ The Great Dyke is a linear geological feature that
trends nearly north-south through the centre of Zimbabwe passing just to the west of the capital, Harare. It consists of a band of short, narrow ridges and hills spanning approximately 550 km. The Great Dyke is host to vast mineral deposits, including gold, silver, chromium, platinum group elements, nickel and asbestos.
➢ Geologically the Great Dyke is not a dyke, but is series of lopoliths roughly Y-shaped in cross-section. It is a group of layered ultramafic intrusions that extend across Zimbabwe trending about N20°E. The width of the intrusions vary from 3 to 12 km.
➢ The dyke lies within the Zimbabwe craton and has been dated at 2.575 billion years old. The Great Dyke has been undeformed since intrusion (excluding the Musengezi area) which shows that the craton had stabilised by the time the Dyke intruded.
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The SRP3 ProjectTargets
➢ Feasibility Study Q2 2019
➢ Raise finance for the Project
➢ Construction 2019-2020
➢ Saleable ferrochrome 2020
2019 Drilling Program of the SRP3 slag pile
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The Nhaka Ferrochrome Project
Crush SRP3 dump material to -3mm
Grind with ball mill to 80% -300 microns
Spirals to produce concentrate of between 35% and 40% Cr content
Concentrate melted in induction furnaces
Finished productferrochrome alloy
Resource
• SRP3 slag pile Approximately 9 000 000 tonnes of material
Grade
• In situ is about 8.9% chromium
• About 3.5% is FeCr alloy
Aim
• 1 500 000 tonnes designed to be processed at peak per year
Production
• Annual production expected to be >30 000 tons of FeCr at 56%-60% Cr
Product
• Very low in
• Silicon
• Sulphur
• Carbon
Market
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Process Design Criteria
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CW Mining Corporate Structure
• CW Mining Ltd United Kingdom owns 100% of
CW Mining Ltd Mauritius.
• CW Mining Ltd Mauritius owns 78% of:
Nhaka Metal & Alloy Processing (Pvt) Ltd:
which owns 100% of the project
• Number of CWM shares in issue: 2,871,446
• Capex required to build Nhaka ferrochrome
project estimated at US$25million
• To be a low cost producer of ferrochrome
• Benefits from low cost electricity
Projects
Zimbabwe
Mauritius
United Kingdom
CW Mining Ltd
CW Mining Ltd
Nhaka Metal & Alloy Processing
(Pvt) Ltd
Zimbabwe ferrochrome
100%
78%
100%
13The Project
The Nhaka SRP3 ferrochrome project at Kwekwe
• >60 000 tonnes of slag dump successfully treated• Using crush, grind and spirals gravity concentration • Induction furnace successfully melted concentrate• Saleable product tested
Pilot Plant Rejected Material
SRP3 Slag Dump
Jigs and Spirals Section of Pilot Plant
14The Project
The 2017 pilot test of SRP3 slag at Kwekwe
Typical Tested SRP3 Material
SRP3 Slag Dump
Front-end ball mill at Pilot Plant
15The Project
Advantages of the Nhaka FeCr Project
• Not mining, low risk : simple truck and shovel loading and conveyors over very short distances
• Simple processing:
a) Crushing, milling, and spirals to produce an intermediate concentrate
b) Induction furnaces to remelt: to produce a saleable 60% Cr content FeCr product.
• JORC compliant mineral resource expected early in Q2 19 .
• Pilot plant and furnaces have already processed 60,000 tons to demonstrate the process.
• Zimasco previously melted their fine material in induction furnaces, for many years:
providing a track record of successful production.
• Ample electricity, water and skilled labour available
• Environmental permitting can rely on existing licenses for the current operations
• Considerable potential for growth: Further slag dumps; more SRP3 material; chrome ore smelting
16The Project
Logistics, and product to market
• Zimasco has agreed to allow CW Mining and Nhaka to use their existing logistics arrangements, at
cost
• Shipping from Kwekwe by rail to Maputo harbour, and then by ship to market
• Zimasco is understood to expect:
• The alloy product to be in the 60% Cr content bracket
• This will place it in the high carbon ferrochrome group which is favoured in the production of
some specialty stainless steels
• The product is expected to be attractiveness to specific stainless steel makers in particularly:
• USA
• Europe
• Japan
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Zimasco and Nhaka sign agreement
18The Team
The Ferrochrome Project Management
19Strategy
CW Mining and Nhaka Strategy
• Finance and construct the plant to treat the SRP3 ferrochrome slag
• Become an established supplier to the stainless steel industry
• Potentially: propose to Zimasco to refurbish one of their idled electric
arc furnaces for:
(a) smelting stockpiled SRP3 lower grade concentrate
(b) smelting other chrome ore feedstock in Zimbabwe
• Continue to look for other opportunities in Zimbabwe
CW Mining LtdEmerging producer
of
Ferrochrome
Thank You
Tim WilliamsCEO
[email protected]: +44 (0)7952 778 702
John MacleanFinance Director
[email protected]: +44 (0)7719 350 053
Jonathan ColvileChairman
[email protected]: +44 (0)7768 144 597