Consulting Services
Hydrometallurgical technical expertise and consulting services are offered in the following areas:
- subject matter expertise partner to management consultants;
- independent project stage-gate technical reviews, risk assessments, and due diligence reviews of technologies and process flowsheets;
- hydrometallurgical process audits, trouble-shooting, optimization and benchmarking;
- start-up and commissioning support;
- design, implementation, and training of on-site metallurgical management systems;
- flowsheet conceptualisation and testwork design;
- laboratory testwork and oversight of contracted experimental testwork;
- design and management of pilot-plant trials;
- literature and market reviews;
- engineering and process design reviews;
- preliminary engineering design;
- provision of accredited Continuing Professional Development short courses for engineering, metallurgical, and operational staff.
Commodity Experience
- copper
- cobalt
- zinc
- uranium
- nickel
- manganese
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- titanium
- vanadium
- ammonium nitrate
- gold and platinum-group metals
- sulfuric and phosphoric acids
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Completed Projects and Consulting Services
Due Diligence and Stage-Gate Reviews
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Independent technical review of performance of a nickel SX circuit, New Caledonia
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Independent technical review of performance of a cobalt SX circuit, South Africa
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Independent due diligence review of proposed new technology for zinc oxide materials, Turkey
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Independent technical review of performance of zinc SX and EW circuits, USA
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Independent due diligence review of proposed extension of life of a zinc asset, Australia
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Independent review of proposed implementation of an ion-exchange technology, South Africa
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Independent review of value-addition and project quality of international research institution
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Global benchmarking of copper SX and EW operations
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Technical review of proposed hydrometallurgical process for zinc recovery, Mexico
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Subject Matter Expert to Management Consultants
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Diagnostic and implementation of technical technical and operational improvements at a copper plant, DRC
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Assessment of opportunities for technical and operational improvements at a cobalt plant, Zambia
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Design and implementation of technical and operational improvements at a cobalt plant, DRC
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Design and implementation of productivity improvements at two copper operations, Chile
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Technical Process Design
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Specification of and technical support for commercialisation of new SX diluent, South Africa
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Review of mass balance and flowsheet for upgrade to a copper hydrometallurgy circuit, DRC
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Study of options for the provision of 3 ML/d water to a coal mine from treated sewage effluent, South Africa
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Mass balance, PFDs, and compilation of engineering package for the upgrade of a precious metals refinery, USA
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High-level design, specification, and preparation of RFQ for full-scale installation of IX plant, DRC
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Design of a demonstration plant to produce 10 t/m V2O5 and operating cost estimate for 500 t/a V2O5 production plant, South Africa
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Technical evaluation and concept study of flowsheet options for recovery of zinc from an oxide ore, Kazakhstan
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Assessment of the feasibility of converting an existing Cu SXEW plant for Zn production, Kazakhstan
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Technical review, costing, and process evaluation of copper recovery from mine waste waters, Chile
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Review of process chemistry and equipment design of new uranium SX plant, South Africa
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Commissioning and Operational Improvement
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Commissioning support to copper leach-SX-EW plant, USA
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Operational and performance improvements to copper hydrometallurgy circuit, DRC
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Technical review of performance of copper SX circuits, Zambia
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Operational and performance improvements to copper hydrometallurgy circuit, Zambia
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Literature and Market Reviews
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Review of opportunities for use of specified commodity oxidants in the hydrometallurgical industry
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Global survey of copper solvent-extraction plants
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Global survey of copper electrowinning plants
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Review of state-of-the-art in titanium solvent extraction in halide media
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Review of global use of anodes for zinc electrowinning
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Pilot-Plant Trials and Laboratory Testwork
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Design, implementation, and management of laboratory testwork and pilot-plant trial for IX removal of Cu and Zn from a cobalt electrolyte, DRC
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Laboratory testwork for comparative evaluation of competing SX reagents, lime, MgO, and other hydromet process commodities
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