WHITTLE RECYN CASE_2017

Table of Contents 1 Introduction .................................................................................................................................... 9 1.1 Purpose ................................................................................................................................... 9 1.2 ReCYN™ Introduction.............................................................................................................. 9 1.3 Whittle Consulting Optimisation Methodology...................................................................... 9 1.3.1 Whittle Consulting .......................................................................................................... 9 1.3.2 Modelling ...................................................................................................................... 10 1.3.3 Time Value of Money .................................................................................................... 10 1.3.4 Theory of Constraints.................................................................................................... 10 1.3.5 Activity Based Costing................................................................................................... 11 1.3.6 Software........................................................................................................................ 11 1.3.7 Non-Financial Goals ...................................................................................................... 12 1.3.8 Uncertainty ................................................................................................................... 12 1.4 Terminology .......................................................................................................................... 12 2 The ReCYN™ Process..................................................................................................................... 13 2.1 Flowsheet.............................................................................................................................. 13 2.2 Key Superiority Aspects of the ReCYN™ Process .................................................................. 14 2.3 Proving the Technology ........................................................................................................ 15 2.3.1 Pilot Plants .................................................................................................................... 15 2.3.2 Commercial Operations ................................................................................................ 15 2.3.3 Laboratory Test work .................................................................................................... 16 3 Model and Settings ....................................................................................................................... 17 3.1 Global Settings ...................................................................................................................... 17 3.2 Ore Body ............................................................................................................................... 17 3.3 Activity-Based Costing (ABC) Approach ................................................................................ 17 3.3.1 Revenue ........................................................................................................................ 17 3.3.2 Cyanide Physicals and Cost Modelling .......................................................................... 17 3.3.3 Copper Modelling.......................................................................................................... 18 3.3.4 Detox cost modelling .................................................................................................... 18 3.3.5 Capex............................................................................................................................. 18 3.4 Physicals Modelling and Constraints .................................................................................... 18 3.4.1 Mining Physical Adjustments and Limits ...................................................................... 18 3.4.2 Processing Physical Adjustments and Limits................................................................. 18 4 Results........................................................................................................................................... 20 4.1 Conclusion............................................................................................................................. 28

ReCYN™ Case Study – Martabe Operations

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