• graphic for 'Routine testing for optimising and tracking process efficiency' in white on blue background
    Routine Output Testing
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    Regular testing to ensure that your plant is running at full efficiency and profitability
  • Graphic for microscope imaging of recovered free gold in white on a blue background
    Analysis
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    In-house high-tech analysis allows for immediate results, and test program changes where necessary
  • graphic for process testwork for EGRG, GRG and gold leaching in white on blue background
    Testwork
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    Testwork pertaining to gravity recovery (EGRG), leaching, flotation, impact crushing, ultrafine grinding, magnetic separation and more
  • Graphic for Equipment representation - Knelson Concentrators in white on a blue background
    Equipment Representation
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    The best equipment for the job you need, taking your budget and needs into account, and will help commission it
  • graphic for flowsheet development and testing in white on a blue background
    Flowsheet Development
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    Process design for optimum solutions and risk minimization

Established in 1985, Peacocke & Simpson has vast experience in the minerals processing industry, providing RELEVANT and MEANINGFUL mineral testwork on nearly all hydrometallurgical processes for nearly all minerals. Based in mineral-rich yet underdeveloped and logistically challenging Africa, we understand that our clients require practical solutions and results, as opposed to laboratory print-outs and irrelevant research.

Our Clients

DRA appreciates the generous expertise of Pete Simpson of P&S in gravity gold concentration and leach extraction and his valued commissioning contribution towards achieving first gold on these projects.

Glenn Bezuidenhout, Process Director, DRA Global

During a unique, short-term high grade period we produced 3,000 oz. of gold in a 24hr operating shift from three XD 48 Knelson Concentrators. They are worth their weight in gold.

Marnu Lombaard, Metallurgical Engineer, AngloGold

We have been proudly associated with Peacocke & Simpson since 1987. Over the years, they have successfully developed and executed many of the most advanced and metallurgically challenging gravity-based test programs on behalf of their clients. There is no doubt that many of these clients have realized significant positive financial benefits as a result of their practical and innovative approach.

Doug Corsan, Vice-President, Knelson Concentrators

Thanks to P&S for a job well done on the Singida metallurgical testwork program. Shanta can now move forward on the BFS with a great deal of confidence, knowing that the gravity and leach test work have been completed in both a comprehensive and professional manner.

Wally Channon, Technical Manager, Shanta Gold

Mr Pete Simpson was assigned by Consep for the final stage of our Acacia Reactor CS250 installation and commissioning. With him by our side, everything went smooth and easy, not only does he know his thing but he has a great facility to transmit his knowledge. After the commissioning, he was available to give us advice, always with a smile. We sure will use the services of P&S in the future, they already did our EGRG tests in 2014 which led to this Knelson/Acacia installation… Many thanks Pete!

Claude PelletierGeneral Manager, Guiro Gold Mine, Burkina Faso

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6 x CS10000 Nampan Acacia

P&S winning with Consep Acacia and Electrowinning

| News | 2 Comments
Peacocke & Simpson is very pleased to have recently won the order for a fully-automated Acacia Reactor and Electrowinning Module for Golden Valley Mine near Kadoma. The model CS500 Consep...

The fastest mineral testwork turnaround time

| News | One Comment
Peacocke & Simpson recently produced full mineral testwork results in less than 10 working days - achieving the impossible, and helping our client, Senet Projects, stay on schedule. All laboratory...
Consep Acacia reactor installed at Guiro Gold Mine

Consep Acacia reactor installed at Guiro Gold Mine

| News | No Comments
In late March 2017, Peacocke & Simpson successfully commissioned  a Consep Acacia Reactor intense cyanidation and electrowinning package at Komet Resources’ Guiro Gold Mine in Burkina Faso. The package was...
Roxgold’s Yaramoko Mine in Burkina Faso

Roxgold – Best in Class

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Peter Simpson of Peacocke & Simpson recently conducted a six-month post-commissioning health check at Roxgold’s Yaramoko Mine in Burkina Faso, which operates two KC-XD20 FLSmidth Knelson Concentrators and a CS500...