Expert Details
Mining, Ore Processing, and Plant Maintenance
ID: 732718
United Kingdom
Expert is a resourceful metallurgist with 26 years' hands-on experience in base metals metallurgy. He specializes in differential and sulfide/oxide flotation, heap leaching of copper and gold and SAG milling. He has expertise in mining chemicals expertise and in low-grade resource optimization and exploitation. He has served as an adviser on mergers and acquisitions. Expert has studied, practiced and observed superior processing skills; he can apply them accordingly.
Expert has over 30 years' experience in the recovery of sulfide minerals by froth flotation. He has developed techniques for using specialized chemical reagents to reduce operating costs.
Since 2007 he has developed methodologies for increasing throughput in a SAG mill by studying the slurry rheology.
Expert has successfully constructed wetlands and utilized the bacteria therein to clean up plant effluent.
Prepared a bankable feasibility study for the Kasema copper mine in Zambia
Drew up a business plan for Musi Gems emerald mine in Zambia
Prepared a management brief to arrest the fall in the share price of First Quantum Minerals
Advised Lumwana copper mine on ball breakage problems in their SAG mill
Conducted an energy audit for Linmine in Guyana
Education
| Year | Degree | Subject | Institution |
|---|---|---|---|
| Year: 1977 | Degree: BSc (Hons) | Subject: Mining | Institution: Camborne School of Mines |
| Year: 1981 | Degree: MSc (Eng) | Subject: Mineral Process Design | Institution: Royal School of Mines |
Work History
| Years | Employer | Title | Department |
|---|---|---|---|
| Years: 2015 to Present | Employer: Undisclosed | Title: Consultant | Department: Mining |
Responsibilities:Advising clients on mining and process related issues.Conducting feasibility studies on new mining projects, and brownfield operations. Due diligence practitioner. Resource person on waste-water treatment methodologies. Grinding media adviser to forged steel balls manufacturer. Prepared a business plan for Buntungwa emerald mine in Zambia. Prepared a roadmap to arrest the decline in First Quantum Minerals Ltd share price |
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| Years | Employer | Title | Department |
| Years: 2013 to 2015 | Employer: LaMancha | Title: Process Consultant | Department: Mining |
Responsibilities:Oversaw heap leaching operations at gold mines in Cote d’Ivoire and Sudan. Improved the grade of pregnant leach solution (PLS) to the ADR plant in Sudan by manipulation of the irrigation pattern on the heaps. Conducted a due diligence exercise on Evolution Mining’s five gold mines in Australia which culminated in a successful merger with La Mancha. |
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| Years | Employer | Title | Department |
| Years: 2012 to 2013 | Employer: Kazykmys | Title: Process Plant Manager | Department: Processing |
Responsibilities:Working on the design of the 16m tpa oxide heap leach operation with SX/EW and the 25m tpa sulphide flotation copper/molybdenum concentrator, in conjunction with Ausenco for Kazakhmys. |
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| Years | Employer | Title | Department |
| Years: 2011 to 2012 | Employer: Barrick Gold Corp | Title: Concentrator Manager | Department: Processing |
Responsibilities:Responsible for recruiting and training staff in preparation for the start-up of the copper/gold/silver concentrator. Responsibility encompassed, operations, analytical services and maintenance. Conducted laboratory tests and successfully replaced Sodium Cyanide with less toxic, and cheaper, Sodium Metabisulphite. |
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| Years | Employer | Title | Department |
| Years: 2007 to 2011 | Employer: First Quantum Minerals | Title: Plant Superintendent | Department: Processing |
Responsibilities:Producing 150 tonnes of copper and 15kgs of gold per day by a combination of froth flotation and carbon in the leach (CIL). Zadra elution circuit. Comminution carried out by parallel circuits comprising Autogenous Grinding (AG) and Semi-Autogenous Grinding (SAG). Regrinding carried out using verti-mills and conventional ball mills. Oversaw the commissioning of the newly constructed Frontier plant. Main process engineer prior to commissioning. Employing SAG and conventional milling and treating 9.2m tpa of sulphide copper ore by conventional flotation and flash flotation. Employed large capacity flotation tank cells. Introduced staged addition of collector and reduced consumption in the process. Modified the SAG mill feed chute and got four times the life of the OEM’s proprietary feed chute. |
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| Years | Employer | Title | Department |
| Years: 2004 to 2007 | Employer: Luanshya Copper Mines | Title: Concentrator Manager | Department: Processing |
Responsibilities:Responsible for the re-commissioning the Baluba, polymetallic, concentrator, after refurbishment. Process manager prior to commissioning. Achieved the highest copper and cobalt recoveries in the history of the Baluba plant by introducing the concepts of reagents synergy and staged addition. |
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| Years | Employer | Title | Department |
| Years: 1994 to 2004 | Employer: Self Employed | Title: Consultant | Department: Mining and Processing |
Responsibilities:Working closely with clients to solve their specific process and environmental problems, remediation measures, and submitting reports. |
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| Years | Employer | Title | Department |
| Years: 1989 to 1994 | Employer: Zambia Consolidated Copper Mines | Title: Concentrator Superintendent | Department: Processing |
Responsibilities:In charge of operation and maintenance of the Konkola concentrator. Producing copper concentrates usingsulphide/oxide flotation. Increased total copper recovery by 1.5% through in-plant modifications. Managed operation and maintenance of the Luanshya and Baluba concentrators, handling a combined throughput of 20 000 tonnes per day. Producing, polymetallic, copper and cobalt concentrates from sulphide ore on Baluba using differential flotation. |
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| Years | Employer | Title | Department |
| Years: 1987 to 1989 | Employer: Zambia Consolidated Copper Mines | Title: Assistant Concentrator Superintendent | Department: Processing |
Responsibilities:Responsible for the operational aspects of the Luanshya and Baluba concentrators. |
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| Years | Employer | Title | Department |
| Years: 1983 to 1987 | Employer: Zambia Consolidated Copper Mines | Title: Plant Metallurgist | Department: Processing |
Responsibilities:Facilitated the initiation and implementing of projects on the Luanshya and Baluba concentrators to improveprocess efficiency and products quality. |
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| Years | Employer | Title | Department |
| Years: 1981 to 1983 | Employer: Zambia Consolidated Copper Mines | Title: Metallurgical Engineer | Department: Processing |
Responsibilities:Initiated and conducted laboratory and pilot-plant test work to improve plant efficiency and product quality in the various unitoperations of the concentrators. Dispensed with the use of flocculant by modifying the feed wells to the tailings and concentrates thickeners. |
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| Years | Employer | Title | Department |
| Years: 1977 to 1980 | Employer: Guyana Mining Enterprise | Title: Process Engineer | Department: Alumina Refinery |
Responsibilities:Accountable for the technical supervision of the precipitation and calcination sections of a 900 tpd Bayer process alumina refinery, hydrometallurgy. |
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Government Experience
| Years | Agency | Role | Description |
|---|---|---|---|
| Years: 1974 to 1974 | Agency: Guyana Mines Division | Role: Mining Engineering Trainee | Description: Carried out projects on enhancing gold and diamond recoveries from small-scale alluvial mining operations and recommended methods for recovery improvement and environmental protection. |
International Experience
| Years | Country / Region | Summary |
|---|---|---|
| Years: 2013 to 2015 | Country / Region: France/Paris | Summary: Worked with LaMancha overseeing heap leaching at its two gold mines in Sudan and Ivory Coast |
| Years: 2013 to 2015 | Country / Region: Kazakhstan/Almaty | Summary: Designing the Aktogay processing plants |
| Years: 2013 to 2015 | Country / Region: Saudi Arabia/Jeddah | Summary: Making preparations to start up the Jabal Sayid concentrator plant |
| Years: 2013 to 2015 | Country / Region: Mauritania/Akjoujt | Summary: Running the flotation section of the Guelb Moghrein plant |
| Years: 2013 to 2015 | Country / Region: DR Congo/Katanga | Summary: Commissioned and optimised the Frontier processing plant |
| Years: 2013 to 2015 | Country / Region: Zambia/Luanshya | Summary: Rehabilitated the derelict Baluba processing plant and produced copper and cobalt |
| Years: 2013 to 2015 | Country / Region: UK/Cornwall | Summary: Consultant to international clients |
| Years: 2013 to 2015 | Country / Region: Zambia/Copperbelt | Summary: Ran the Luanshya, Baluba and Konkola concentrators |
| Years: 2013 to 2015 | Country / Region: Guyana/Linden | Summary: Worked in the alumina refinery |
Language Skills
| Language | Proficiency |
|---|---|
| English | Native |
| French | Working proficiency |
| Chibemba | Working proficiency |