Petrochemical waste water Project in service training (WIL) - Vaal University of Technology
(2022-01 - 2023-12)
- To design Petrochemical waste water Project and run experiment on a anaerobic co-digestion by using industrial wastewater and UASB reactor.
- Monitoring parameters to determine optimum organic loading rate.
- Monitor the pH of the reactor.
- Determine the amount of gas (methane) collected on the reactor.
- Test and determine the COD concentration, COD reduction and BOD for 5 days.
- Test vfa to check whether the reactors are still operating in a good condition.
- Perform TOC analysis for the samples collected on the anaerobic Co-digestion reactor.
- Write the report to mentor and Supervisor by using excel after collecting the samples.
Mineral Processing internship - Atok Bokoni Platinum mine
(2024-01 - 2024-12)
- Performed weekly inspection of plant equipments, including screens, cyclone, mills, and jaw crusher.
- Test and ensure test work is performed according to specification and repeatable standards.
- Conduct metallurgical test work such as densiometric analysis, particles size distribution (PSD), test density of the oversize particles and assurance checks.
- Develop standard operating procedures (SOPs) for new laboratory.
- Monitor the floatation process.
- Develop excel spreadsheet to improve data capture accuracy and streamline reporting.
- Compiled, write reports and present weekly process assurance reports to Plant metallurgist supervisor to support data-driven decisions.
Chemical Process Plant Operator - Nafasi Water
(2025-01 - 2026-12)
- Do a risk assessment by identifying hazards by writing them down using HIRA and daily permits before any task.
- Perform a Plant walk-down and inspect the plant equipments to ensure that they are still running well.
- Maintain and update plant Operator logs, perform and record results related to plant operational activities, check chemicals levels, valves, pumps, flow meters and gauge pressures.
- Collect daily samples to test pH, turbidity, conductivity, and settlement/sedimentation of sludge in laboratory.
- Operator Slaker for lime (calcium oxide) make up to neutralize acid water from acid mine drainage (AMD) to dissolve solids, test density of lime from Slaker tank and slurry tank.
- Check poly dosing for flocculant and balancing the valves.
- Control and Monitor SCADA in control room, and alert maintenance team if there is a problem with any equipment by writing a job card.
- Update the supervisor by writing a daily report on sigma opp and excel.
Process Controller - Tecrover
(2026-01)
- Do plant walk-down before and after shift during shift handover and to Follow SHEQ, environmental, operational and emergency procedures at all times.
- Monitor and control biological wastewater treatment processes to ensure efficient and stable plant operation.
- Monitor key process parameters such as pH, dissolved oxygen (DO), temperature, pressure, tanks level, chemicals dosing levels and flare for biogas (methane gas).
- Collect samples to test pH, ORP, conductivity, COD, TSS, vfa, phosphate and ammonia.
- Monitor and operate screw press and Poly dosing for dewatering process.
- Monitor the biological treatment stages, including Dacs aerobic, anoxic and anaerobic processes, to support effective nutrient removal.
- Monitor Pre-acidification tank by dosing chemicals such as Urea (CO(NH2)2), Hydrochloric acid, micronutrients to ensure that anaerobic digestion process is maintaining.
- Operate and monitor pumps, blowers, mixers, valves, clarifiers and other process equipment.
- Adjust process conditions such as membrane bio-reactor (MBR), return activated sludge (RAS) and ferric chloride dosing to maintain optimal treatment performance.
- Do CIP (Clean-in-place) of membrane bio-reactor using Sodium hypochlorite (NaOCl) and citric acid.
- Do weekly probes calibration around the plant with buffers.
- Conduct routine plant inspections and identify abnormal operating conditions, equipment faults and process deviations.
- Record operational readings, laboratory results, chemical usage and equipment conditions accurately in logbooks and electronic systems.
- Assist with troubleshooting process problems and implement corrective actions under standard operating procedures.
- Report equipment breakdowns, unsafe conditions and process abnormalities to the relevant supervisor or maintenance team.
