Malachite Consulting

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Copper Gold Smelting

8th November 2017

Copper Gold Smelter & Refinery - Malachite Consulting has been providing technical advice for a major copper gold smelter and refinery located in Indonesia.

The techncial advice has included smelting technology reviews, selection of preferred smelting routes, process modelling using MetSim, downstream electrorefining of copper and precious metals refining. The project is advancing from early days scoping studies though to feasibility studies, with the aim to commence FEED engineering in 2018. 

Front-end Engineering Design (FEED) is typically undertaken in three Front-end Loading (FEL) stages. For each FEL stage, typical deliverables are listed below:

FEL 1 FEL 2 FEL 3
  • Metallurgical testwork
  • Process flowsheet development
  • Mass & energy balance
  • Project charter
  • Preliminary project economics
  • Preliminary equipment design
  • Preliminary layouts
  • Preliminary schedule
  • Preliminary cost estimate (30% accuracy)
  • Major equipment specifications
  • Tender packages
  • Definitive cost estimate (15% accuracy)
  • Project execution plan

 

 

 

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