Manufacturing, Engineering and Technology Fabrication and Extraction

Gold Smelting Process Control Metallurgical Plant Operations Training

SAQA US 110398 | NQF 4 | Credits 13 | Duration 10 Days
From $1,933 per delegate

Description

This course equips learners with the advanced skills required to control and optimise gold smelting processes in a metallurgical plant. It focuses on process control parameters, safety protocols, and quality assurance to ensure efficient and compliant gold production. Learners will gain the competence to monitor, adjust, and troubleshoot smelting operations while adhering to industry standards.

Learning Outcomes

  • Apply gold smelting process control principles to monitor and adjust furnace operations.
  • Analyse process data and implement corrective actions to maintain optimal smelting conditions.
  • Evaluate safety and environmental hazards associated with gold smelting and implement control measures.
  • Demonstrate proficiency in using process control instruments and interpreting readings.
  • Implement quality assurance procedures to ensure the purity and yield of gold output.
  • Design troubleshooting strategies for common smelting process deviations.

Target Audience

This training is designed for metallurgical plant operators, process controllers, and supervisors involved in gold smelting operations. It is also suitable for technicians and engineers seeking to deepen their understanding of smelting process control.

Prerequisites

Learners must have a basic understanding of metallurgical operations and be competent in communication and mathematical literacy at NQF Level 3.

Course Outline

Day 1: Introduction to Gold Smelting and Plant Safety

Objectives:
• Understand the fundamentals of gold smelting and its role in metallurgical operations
• Identify key plant safety protocols and hazard control measures
• Recognize environmental and regulatory compliance requirements
• Describe the basic layout and equipment of a gold smelting plant

Topics:
• Overview of gold extraction and smelting processes
• Importance of smelting in gold recovery
• Plant safety induction: PPE, emergency procedures, and hazard identification
• Environmental management and waste handling in smelting
• Introduction to smelting plant equipment: furnaces, crucibles, and moulds
• Basic metallurgical terminology and principles

Day 2: Chemistry of Gold Smelting and Flux Formulation

Objectives:
• Explain the chemical reactions during gold smelting
• Describe the role of fluxes in slag formation and gold recovery
• Calculate flux additions based on feed material composition
• Identify common impurities and their effects on smelting

Topics:
• Gold smelting chemistry: oxidation, reduction, and slag reactions
• Flux types: borax, silica, soda ash, and their functions
• Flux formulation principles and stoichiometry
• Behavior of base metals and impurities
• Slag characteristics and removal techniques

Day 3: Furnace Operations and Temperature Control

Objectives:
• Describe different furnace types used in gold smelting
• Understand temperature measurement and control methods
• Explain the importance of temperature profiles for optimal smelting
• Identify common furnace operational issues and corrective actions

Topics:
• Furnace types: electric arc, induction, and gas-fired furnaces
• Temperature measurement: thermocouples, pyrometers, and control systems
• Heating cycles and energy management
• Furnace refractory maintenance and lining inspection
• Troubleshooting temperature deviations and equipment faults

Day 4: Charging and Melting Procedures

Objectives:
• Outline the correct charging sequence for smelting furnaces
• Describe material handling and feeding systems
• Explain melting stage monitoring and process adjustments
• Implement safe charging practices to prevent accidents

Topics:
• Feed preparation: drying, weighing, and blending
• Charging sequences for different furnace types
• Material handling equipment: conveyors, hoppers, and ladles
• Melting stage observation: bath behavior and sampling
• Safety during charging: spill prevention and fume control

Day 5: Slag Handling, Tapping, and Gold Recovery

Objectives:
• Explain slag tapping procedures and equipment
• Describe gold recovery from slag through re-smelting or grinding
• Understand pour techniques for gold bullion production
• Perform mass balance calculations for gold yield

Topics:
• Slag tapping: timing, tools, and safety
• Slag cooling, crushing, and re-processing
• Gold bullion pouring: mould preparation and casting
• Sampling and assaying of bullion and slag
• Mass balance and recovery efficiency calculations

Day 6: Process Control Parameters and Instrumentation

Objectives:
• Identify key process control parameters in gold smelting
• Understand instrumentation for monitoring temperature, pressure, and flow
• Interpret process data to make informed adjustments
• Implement control strategies for consistent product quality

Topics:
• Critical parameters: temperature, residence time, and flux ratio
• Instrumentation: sensors, transmitters, and PLC systems
• Process control loops and automation basics
• Data logging and trend analysis
• Adjusting parameters for varying feed compositions

Day 7: Quality Assurance and Bullion Refining

Objectives:
• Describe quality assurance practices for gold bullion
• Understand bullion refining methods (e.g., Miller process)
• Conduct bullion sampling and fire assay analysis
• Ensure compliance with purity standards and customer specifications

Topics:
• Bullion quality standards: fineness, impurities, and weight
• Refining processes: chlorination and electrolytic refining
• Sampling techniques for bullion and slag
• Fire assay principles and calculations
• Documentation and traceability in quality control

Day 8: Maintenance, Troubleshooting, and Safety Systems

Objectives:
• Develop preventive maintenance schedules for smelting equipment
• Troubleshoot common operational problems
• Understand safety systems: interlocks, alarms, and emergency stops
• Implement corrective actions to minimize downtime

Topics:
• Preventive maintenance: furnace, crucible, and mould care
• Common issues: slag buildup, refractory wear, and blockages
• Troubleshooting methodology and root cause analysis
• Safety systems: gas detection, ventilation, and fire suppression
• Lockout/tagout procedures and confined space entry

Day 9: Environmental Compliance and Waste Management

Objectives:
• Understand environmental regulations applicable to gold smelting
• Manage hazardous waste: slag, dust, and emissions
• Implement dust control and fume extraction systems
• Conduct environmental monitoring and reporting

Topics:
• Regulatory framework: NEMA, water and air quality acts
• Waste classification: hazardous vs. non-hazardous
• Dust and fume control: baghouses, scrubbers, and ventilation
• Water management and effluent treatment
• Environmental impact assessments and reporting

Day 10: Integrated Plant Operations and Process Optimization

Objectives:
• Integrate all process stages into a cohesive plant operation
• Apply process optimization techniques to improve yield and efficiency
• Develop a daily production plan considering feed variability
• Evaluate overall plant performance using KPIs

Topics:
• Plant-wide process flow and material balance
• Optimization strategies: temperature, flux, and cycle time
• Production planning and scheduling
• Key performance indicators: recovery, energy consumption, and downtime
• Case studies and continuous improvement principles

Practicals

32 hours of practicals To be conducted online or on-campus or in-house
Overview

Hands-on practical sessions are essential for learners to safely operate smelting equipment, apply flux formulations, perform charging and tapping procedures, and troubleshoot process deviations under supervision. These practicals bridge theory with real-world plant operations, ensuring competence in process control and safety.

Practical Activities
  • Furnace Start-up, Charging, and Melting — Learners will safely start up a furnace, prepare and charge feed materials, and monitor the melting process while adjusting temperature and flux additions. (8h)
  • Slag Tapping, Pouring, and Bullion Sampling — Learners will tap slag, pour molten gold into moulds, and collect bullion samples for assaying while following safety protocols. (8h)
  • Process Control and Instrumentation Calibration — Learners will calibrate temperature sensors, adjust control parameters, and troubleshoot instrumentation faults using PLC interfaces. (8h)
  • Maintenance, Safety Drills, and Troubleshooting — Learners will perform preventive maintenance on furnace components, conduct safety drills, and troubleshoot simulated process upsets. (8h)

Summatives

Each delegate is assessed continuously throughout the course via daily exercises, scored practical assignments, and a final summative test at the end.

Practical Assignments — 30%

Practical assignments are observed and scored against a rubric during the practical sessions. Each delegate's practical mark is averaged into a single 100% score and contributes 30% to the final total.

Daily Exercises — 20%

Every training day ends with a multiple-choice exercise scored out of 100%. The scores from each daily exercise are averaged across the duration of the course to produce a Daily Average mark, which contributes 20% to the final total.

Final Test — 50%

On the last day a final summative test is written. It is a multiple-choice paper with multiple-answer questions: each question may have more than one correct option, and a single wrong selection on a question marks the entire question wrong — no partial credit. The final test is scored out of 100% and contributes 50% to the overall mark.

Final Total
Component Out of Weight
Practical Assignments (rubric-scored) 100% 30%
Daily Average (multiple choice) 100% 20%
Final Test (multi-answer multiple choice) 100% 50%
Final Total 100%

All marks are recorded on the AATICD LMS and visible to each learner under their account.

Certificate

Certificate of Completion

Awarded to delegates who achieve an overall mark of 50% or higher on the Final Total (Practicals 30% + Daily Average 20% + Final Test 50%).

How it works
  • Certificates are auto-generated on the AATICD LMS as soon as the marks pass the 50% threshold.
  • Each certificate is a branded PDF with the delegate's name, the course title, the unit standard ID, NQF level, credits, and the date of issue.
  • You can download or print your certificate from your LMS dashboard at any time after issue — there's no reissue fee and no expiry date.
  • If you scored under 50% you can sit the final test again at the next scheduled session at no extra cost.
Where to find it

Sign in to the LMS, open your dashboard, and your certificates appear under My Certificates. Each entry has a View / Download button and a print option.

Training Discounts

Group discounts apply automatically — the more delegates you enrol, the greater the saving. Discounts are calculated at 3% per 5 delegates, scaling up to 40% off for 100+ delegates.

Delegates Discount
5 3% off
10 6% off
15 9% off
20 12% off
25 15% off
30 18% off
50 30% off
75 35% off
100 40% off

3% discount per 5 delegates, up to 40% off for 100+ delegates. Contact us for a custom group quote.

Upcoming Training Sessions
Online training — attend live sessions from anywhere via our virtual classroom.
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Wed 09 Sep 2026 Tue 22 Sep 2026 Virtual Spring 2026 $1,933 Register
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Training Discounts
Delegates Discount
5 3% off
10 6% off
15 9% off
20 12% off
25 15% off
30 18% off
50 30% off
75 35% off
100 40% off

3% off per 5 delegates, up to 40% for 100+

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