Anza Tshisimba
Rusternburg, Waterbuck Ridge
Summary
Results-driven Metallurgist specializing in mineral processing, flotation chemistry, mineralogy, and surface chemistry. Experienced in optimising reagent performance across diverse ore types, conducting technical trials, and translating laboratory findings into practical plant improvements. Combines technical training, site support, quality control, root cause analysis, and data interpretation to drive product development, process optimisation, and reliable metallurgical performance.
Overview
8
8
years of professional experience
Work History
Development Metallurgist
AECI Mining Chemicals
Sasolburg, Free State
04.2025 - Current
- Managed laboratory operations, including sample preparation, testing, and analysis, to support research and development initiatives.
- Conducted on-site and laboratory trials to validate flotation reagents' effectiveness, contributing to product development insights.
- Analyse trial data and prepare detailed reports on findings and recommendations
- Collect and analyse data from flotation trials to assess reagent performance
- Understand and optimize the use of various flotation reagents, including collectors, frothers, depressants, and flocculants
- Provide technical support and guidance on the selection and application of flotation reagents for different ore types and conditions
- Provide training and technical support to plant operators and metallurgists on the use and optimization of flotation reagents
- Develop and implement proof of concepts for flotation reagents in collaboration with product managers
- Maintain a broad and in-depth knowledge of the flotation process, including mineralogy, surface chemistry, and metallurgical processes
- Participate in research and development activities to innovate and enhance flotation reagent products
- Prepared detailed reports and presentations on metallurgical findings for internal and external stakeholders, improving stakeholder engagement and project alignment.
- Compiled and presented comprehensive reports for internal and external stakeholders, summarising trial outcomes and actionable recommendations.
Reagents operator
AECI mining chemicals
Rusternburg, Swartklip ( Union mines, Mortimer concentrator), South Africa
09.2021 - 03.2025
- Commissioned and maintained reagents, improved metallurgical performance through laboratory test work and plant surveys, and optimised processes through technical projects and sample preparations.
- Conducted flotation batch tests and hot flotation while preparing reagents for laboratory test work to support experimental outcomes.
- Conducted reagents spot checks, performed quality control, and mixed reagents for flotation operations to ensure optimal performance.
- Conducted trials of reagents in the plant to evaluate performance and effectiveness..
Metallurgical Engineering Iternship
AECI mining chemicals
Rusternburg, Swartklip ( Union mines, Mortimer concentrator), South Africa
11.2018 - 09.2019
- Assisted design team in preplanning process chain and simulations, contributing to overall project design.
- Understanding of the overall operations of the plant which includes crushing,grinding, flotation and dewatering techniques used in the plant. Key performance indicators, laboratory work and process control operations
- Performed site visits to evaluate project needs and confirm adherence to engineering plans and specifications.
- Formulated chemical solutions and reagents for tests, ensuring consistency across experiments.
- Handled laboratory stock inventory and ordering processes, maintaining necessary levels of chemicals and apparatus.
Education
Advanced Diploma - Metallurgical Engineering
Vaal University of Technology
Vanderbijlpark, GP2022
National Diploma - Metallurgical Engineering
Vaal University of Technology
Vanderbijlpark, GP2019
Skills
TECHNICAL SKILLS
- Technical reporting, Root Cause Analysis, X-ray fluorescence (XRF), Matlab, AutoCAD
- Quality control
- Laboratory management
- Sample preparation
- Data analysis
- Flotation chemistry
SOFT SKILLS
- Project management, Time management and Supervision Communication skills
References
Ronnie Madiba
Metallurgical Laboratory Superintendent
AECI MINING CHEMICALS
cell: +27 79 511 3250
Email: Ronnie.Madiba@aeciworld.com
Mr D. Mosoma
Vendor Manager
AECI MINING CHEMICALS(Union mines)
cell: +27 79 890 6307
Email: Daniel.Mosoma@aeciworld.com
Timeline
Development Metallurgist
AECI Mining Chemicals
04.2025 - Current
Reagents operator
AECI mining chemicals
09.2021 - 03.2025
Metallurgical Engineering Iternship
AECI mining chemicals
11.2018 - 09.2019
National Diploma - Metallurgical Engineering
Vaal University of Technology
Advanced Diploma - Metallurgical Engineering
Vaal University of Technology