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Base Minerals and Metals Capability

ProMet Dadi is based in South Africa, China, Australia and Botswana and provides the full spectrum of engineering services from process design, mechanical engineering, electrical & instrumentation to civil and structural design.

Our success is based on the ability to deliver practical, state of the art solutions, which are based on the extensive experience of our employees. Our base metal expertise covers all aspects of mineral processing including all the commonly found unit processes from comminution to flotation, thickening, filtering, leaching and drying to solvent extraction and electro-winning.

ProMet Dadi has considerable experience with standard laboratory testing methods for gravity and dense medium separation, flotation and leaching processes and has also familiarity with the capabilities of the various local testing laboratories.

We are able to offer services for all stages of project development from conceptual studies, due diligence and feasibility studies through to bankable feasibility studies.

We also carry projects through to engineering, subsequent project execution and production ramp up. We utilize a broad range of process design tools and all our work is overlaid by extensive practical metallurgical and engineering experience.

ProMet Dadi also provides services such as operations and maintenance, on-going plant optimisation and general on-mine and off -mine project services for our clients.

Our personnel have been associated with flotation circuits for:

  • Copper/gold (at Freeport’s Grasberg complex, Indonesia and the Birla Nifty operations in Western Australia)
  • Lead/zinc (concentrator upgrade at Mount Isa and concentrator design and implementation at the Dairi project)
  • Nickel (refurbishment, commissioning and operational management of Radio Hill project)
  • Various studies for a variety of flotation based projects.


ProMet Dadi has personnel with experience in the design and operation of heap leaching of copper ores, (Nifty, Mineracao Caraiba). This includes attendant solvent extraction and electro-winning expertise as well as background knowledge in hydrometallurgical treatment of sulphides (BHAS type leaching and bacterial leaching of chalcopyrite).


ProMet Dadi completed a capital cost estimate and was later given the order for the engineering, procurement, site representation and commissioning assistance for the conversion of the Whylla Plant, Ausmelt from a pig iron operation to a zinc fuming facility.

ProMet Dadi has also completed a desk top study for the Goldstream’s Cairn Hill project where a copper/gold flotation concentrate can be produced as well as a saleable magnetite product and has also recently completed a scoping study of the zinc/lead/silver Kihabe ore deposit in Botswana for Mount Burgess.

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