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Mineral Processing, Financial Modelling and Specialist Capabilities 01/2013

Mineral Processing Capabilities(20151204)v4

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Mineral Processing, Financial Modellingand Specialist Capabilities

01/2013

2

Specialist Capabilities

• Coal Processing Tools

– Automated, bulk washability analyses

– Multiple stages, multiple size separations

– Blend / batch analysis

– Release analysis

– Yield optimisation

0%

10%

20%

30%

40%

50%

60%

70%

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90%

100%

0%

5%

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15%

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25%

30%

35%

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45%

50%

5%

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%

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%

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%

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%

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%

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%

10

0%

Cu

mu

lati

ve

%R

OM

Ma

ss W

eig

hte

d %

of

RO

M

Yield

4-Seam (only) Yield Distribution

Secondary Yield Primary Yield Cum. Prim Yield Cum. Sec. Yield

01/2012

– Appropriate modification factors, practical yield analysis

• Process Modelling

– LIMN® Mineral Processing package software

– Process simulation

– Capacity and option analysis

• Dynamic Simulation / Decision Support

– Coal face to seaborne trade

– Mine face to Port

– Quality management

– Logistics optimisation

0

200

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1 000

1 200

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0 10 20 30 40 50 60 70 80 90 100

He

ad

fe

ed

ra

te (

tph

)

Yield - Prim + Sec (%)

Capacity Constraints - DMS Upgrade - HG Circuit

Name plate Design HG Spigot (C) HG Feed (C)

HG Spigot (A) HG Feed (A) HG Spigot (F) HG Feed (F)

HG Spigot (F-LoS%) HG Spigot (A-LoS%) HG Spigot (C-LoS%)

3

Specialist Capabilities (Cont.)

• Business Case Modelling

– Financial Modelling

• Life-of-Mine

• Sensitivity analyses

• Financial criteria (NPV, IRR, Capital Efficiency, others)

• Early set-up and financial trending (impact of project changes on financial criteria throughout project lifecycle phase)

-50% -40% -30% -20% -10% 0% 10% 20% 30% 40% 50%

Ne

tt P

res

en

t Va

lue

@ 1

2%

Dis

co

un

t (U

S$

)

Revenue OPEX CAPEX

SIB CAPEX and SIB Production Rate

01/2012

criteria throughout project lifecycle phase)

– Operational Expense Estimation (Opex)

– Option Analysis

0%

10%

20%

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90%

100%

33.7%

34.7%

14.3%

4.0% 2.7% 3.1% 2.2% 2.0% 3.3%

100.0%

Bre

ak

do

wn

of O

pe

rati

ng

Co

sts

(%

)

4

Standard Capabilities

• Planning and Management of Testwork Programme

• Metallurgical Analysis and Coal Characterisation

• BFDs, PFDs and P&IDs

• Mass Balance (Mass, water, medium)

• Capacity Analysis

• Process Basis and Design Criteria

01/2012

• Process Basis and Design Criteria

• Integrated Equipment Lists

• Layout, GAs, 3D Modelling

• 3D design review and clash detection

• Hazardous Area Assessments

• Control Philosophy and Functional Specification

5

Standard Capabilities (Cont.)

• Market Enquiry or Database Capital Cost Estimating

• Process Review, Auditing, Consulting and Operational Support

• Integration with Geology, Mining, Marketing, Logistics and other

• Technical Risk Management– Hazop 2 (PFDs)

– Hazop 3 (P&IDs)

01/2012

– Input into other Risk Management processes

Hatch Drawing No.:

DescriptionCLG Sinks SLG Sinks CLG Sinks SLG Sinks Correct

Medium

Headbox 1

Feed

Correct

Medium

Headbox 2

Feed

Mixingbox 1

Correct

Medium

Feed

Mixingbox 1

Feed

1 2 3 4 5 6 7 8

Water Mass / vol. t / m3/hr 31.4 32.9 31.4 32.9 859.2 859.2 657.7 722.0

Solids Mass t/hr 0.2 33.5 0.2 33.5 967.9 967.9 740.9 774.7

Volume m3/hr 0.0 6.8 0.0 6.8 197.5 197.5 151.2 158.1

Specific Gr. t.m-3 4.9 4.9 4.9 4.9 4.9 4.9 4.9 4.9

Total Mass t/hr 31.6 66.4 31.6 66.4 1827.1 1827.1 1398.7 1496.7

Volume m3/hr 31.4 39.7 31.4 39.7 1056.7 1056.7 809.0 880.1

Rel. Dens 1.0 1.7 1.0 1.7 1.7 1.7 1.7 1.7

%Solids (mass) 0.7% 50.4% 0.7% 50.4% 53.0% 53.0% 53.0% 51.8%

%Solids (vol.) 0.1% 17.2% 0.1% 17.2% 18.7% 18.7% 18.7% 18.0%

Solids Mass t/hr 230.1 109.9 230.1 109.9 8.8 8.8 6.7 346.8

Volume m3/hr 127.9 61.0 127.9 61.0 4.9 4.9 3.7 192.6

Specific Gr. t.m-3 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8

Total Mass t/hr 261.8 176.3 261.8 176.3 1835.9 1835.9 1405.4 1843.5

Volume m3/hr 159.3 100.8 159.3 100.8 1061.6 1061.6 812.7 1072.8

Rel. Dens 1.6 1.7 1.6 1.7 1.7 1.7 1.7 1.7

12% 23% 12% 23% 99% 99% 99% 68%

Pressure (kPa)

No

min

al

Description

Stream No.

Medium

Coal

Aggregate

%Moisture

0354-0039-MED-0171

H343168-1000-05-030-0026-001

HG MODULE