Plant Engineer

Francis Dakubo

Morenci, Arizona

Profile

Expert in Hydrometallurgical- CIL/CIP/ Heap leach, SX/EW, In-Situ Process Dynamics and action-oriented Metallurgical Engineer with a proven record of achievement in Metallurgical test simulations, Trouble shooting of metallurgical treatment plant problems, Optimization of metallurgical processes, Process engineering, Grinding and Mineral flotation. Self-motivated and results-driven by nature, adaptive to change. Welcomes challenges of significant responsibility and opportunities to make key contributions to overall mineral processing business success.

Key Strengths

• 14- years’ experience in processing of gold, copper, platinum, antimony, cesium/rubidium, iron, manganese processing and flow sheet development.

• Strong oral and written communication skills.

• Spoken languages: English, Twi / Fanti, basic French.

• Strong ability to solve, analyze and interpret data.

• Noted professional in applying statistics /optimization (DOE) to Metallurgical processes e.g. experimental design- factorial design, response surfaces etc.

• Expert in assaying (fire and wet) and quality control; gold, copper & molybdenum, iron & manganese ore, platinum & palladium, real earth minerals and titanium ore processing.

• Excellent knowledge in water/wastewater treatment systems design- industrial wastewater treatment, hydrometallurgy ( heap, Insitu and CIL/CIP leach experience), electro-analytical chemistry-electrometallurgy (gold and copper), mineral processing, bio-leaching, Simulation/Modeling of metallurgical processes, equipment sizing/reactor design, flow-sheet development, corrosion testing and Project management.

• Expert in pumps (centrifugal, dosing etc.)

• Expert in control systems, P&ID’s, PLC/DCS -Process control, control loops, interlocks.

• Analytical tools: Good Knowledge in principles and application of Optical microscopy, JKRC Mineral Liberation Analyzer (MLA), X- ray analysis (XRD), Induced Couple plasma (ICP) spectroscopy, Atomic absorption spectroscopy (AAS) and Scanning Electron microscopy (SEM/EDX), knelson concentrators, Shaking tables, Spirals, flotation machines, autoclaves.

• Expert in Metallurgical tests simulations.

• Computer Applications: Strong in Excel, Word, Access, PowerPoint.

• Statistical Software: SAS, Minitab, SPSS, Matlab, Design Expert (STATEASE) applications in process optimizations,

• Flow-sheet designing software: Microsoft Visio 2007, Excel and basic AutoCAD & Solid works.

• Web-designing: HTML, drupal 6.0, Microsoft expression, C-programming.

• Metallurgical Software: Stabcal, HSC, Visual Minteq, JKsimmet and Limn for modeling.

• Occupational health and safety: Strong understanding and experience in occupational safety, Industrial hygiene, Environmental sampling and monitoring- Air pollution, Hazardous waste operations and Emergency response-HAZWOPER trained.

• Communication, Networking & Presentation Skills – Clearly communicates information. Makes well informed presentations based on extensive research and analysis.

INDUSTRIAL TRAINING AND EXPERIENCE:

Freeport McMoran Copper & Gold.

Senior Metallurgist-Hydrometallurgy Division 2011

Duties include: plant supervision and troubleshooting, Operator refresher training, morning meetings, obtaining reagent and supplies for plant, total weekend responsibility (6 plants- SX EW plants), Health & safety review with operators. Preventive maintenance of Lab equipments eg AA machine, sulfuric acid auto-Titrator etc.

Plant daily production- 0.5 million pounds of copper per day for Modoc plant

Projects worked on are as follows;

- Aqueous entrainment optimization study.

- SX organic recovery equipment optimization-The Tricanter.

- Evaluation of loss/gain economics of plant shutdown.

- Mixer studies

- Coalescing fences studies

- Report writing

- Troubleshooting using statistical analysis

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