Peter Mothibe
Soweto
Summary
Senior Operator with 20 years of expertise in mineral processing and pilot plant operations. Proficient in flotation testing, reagent handling, and gravity concentration, using advanced separation equipment. Experienced in calibrating lab instruments and supervising test runs while ensuring compliance with MHSA safety protocols. Multilingual with strong leadership skills in emergency first aid.
Overview
21
21
years of professional experience
Work History
Senior Operator
Maelgwyn Mineral Services Africa (Pty) Ltd
01.2019 - Current
- Operate and maintain pilot flotation plants and conduct lock cycle tests.
- Run gravity separation units: Knelson, Falcon, shaking tables, and spirals.
- Monitor feed rates and reagent dosing, ensuring consistent test conditions.
- Conduct minor plant maintenance and assist in mechanical repairs.
- Support technical staff in R&D test programs and maintain lab safety.
Senior Operator – Mineral Processing Division
Mintek
Randburg
01.2005 - 01.2019
- Executed flotation laboratory test work and pilot plant trials.
- Responsible for crushing, milling, pulverizing, splitting, and PSD analysis.
- Calibrated laboratory instruments, including pH meters.
- Ensured proper setup of pilot plant equipment and controlled process parameters.
- Maintained clean workspaces, and adhered to all safety regulations.
Education
Some College (No Degree) - Laboratory Practice, Laboratory Processes,Introductory Chemistry & Physics
Intec College
Braamfontein, GP12-2013
High School Diploma -
Emshukantambo High School
Soweto, GP12-2001
Skills
- Reagent handling and flowrate measurement
- Pilot plant setup, operation, and maintenance
- Flotation tests: bench, lock cycle, and pilot
- Crushing, pulverizing, milling, and splitting
- PSD analysis (particle size distribution)
- Gravity separation: Knelson, Falcon, spirals, shaking tables
- Feed rate and process parameter control
- PH meter calibration
- Forklift operation and material handling
- Housekeeping and safety compliance (MHSA)
- First Aid Group leadership
Languages
Sesotho
First Language
English
Proficient (C2)
C2
IsiZulu
Proficient (C2)
C2
Timeline
Senior Operator
Maelgwyn Mineral Services Africa (Pty) Ltd
01.2019 - Current
Senior Operator – Mineral Processing Division
Mintek
01.2005 - 01.2019
Some College (No Degree) - Laboratory Practice, Laboratory Processes,Introductory Chemistry & Physics
Intec College
High School Diploma -
Emshukantambo High School
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