Preliminary assessment of the comminution circuit of the Kambove concentrator, Democratic Republic of Congo Francois Mulenga Electrical and Mining Engineering.

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Presentation transcript:

Preliminary assessment of the comminution circuit of the Kambove concentrator, Democratic Republic of Congo Francois Mulenga Electrical and Mining Engineering 9 June 2016

Overview of Mine Production Chain Ore Body BlastingCrushing Milling Waste ProductSeparation

The Comminution Idea! Butcher (2010)

Mineral Liberation Data Butcher (2010)

The Attainable Region Paradigm!

The Attainable Region Method

The Attainable Region Profile

The Kambove Case

Kambove: Geographical location

The Comminution Circuit

MODSIM © : The Modular Simulator

MODSIM © : The Input Forms

MODSIM © Simulation Outputs

Setting up the attainable region paths Define the three classes based on flotation requirements:  m 1 = +106 microns (feed class)  m 2 = microns (middlings class)  m 3 = -38 microns (fines class) Plot m 2 as a function of m 1 for different crusher settings

Secondary crusher: AR path

Tertiary crusher: AR path

Tertiary crusher: Size distributions

“Integrated comminution”

Drill Core Samples

Mineral Liberation Data

Ultimate goal: Ore Body Modelling

Where to from here?  Blasting model  Rod-ball milling circuit  Refine crushing models  Developments of Mineral Liberation Models  Comminution economics

Thank You