• graphic for 'Routine testing for optimising and tracking process efficiency' in white on blue background
    Routine Output Testing
    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
    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 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
    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
    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


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Unique Testing of Innovative Processes ... See MoreSee Less

4 months ago  ·  

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The FLSmidth Knelson batch concentrator "replaces all conventional gravity recovery equipment such as sluices, jigs, cones and spirals". If you don't know why, then give this video a watch! ... See MoreSee Less

5 months ago  ·  

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Consep Acacia reactor installed at Guiro Gold Mine

Consep Acacia reactor installed at Guiro Gold Mine

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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...
Mr. Sebastian Zuze handing ISO certification to director Pete Simpson

ISO 9001:2015 Certification

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On 25 July 2016, Peacocke & Simpson proudly became the first company in Zimbabwe to receive ISO 9001:2015 certification from the Standards Association of Zimbabwe (SAZ). Further adding to the...

Sowing The Magnetic Fields

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Peacocke & Simpson is pleased to announce that we will once again be representing Eriez Magnetics in Zimbabwe, and potentially in the more remote regions of Africa. Eriez is an...