Manufacturing, Engineering and Technology Fabrication and Extraction

Backfill Production Process Control Techniques Training

SAQA US 110405 | NQF 4 | Credits 15 | Duration 12 Days
From $2,214 per delegate

Description

This course equips learners with the knowledge and skills to control backfill production processes in a mining environment. It covers the principles of backfill systems, process monitoring, and quality control to ensure safe and efficient operations. Learners will be able to identify and rectify process deviations, contributing to improved productivity and safety.

Learning Outcomes

  • Apply principles of backfill production to control process parameters effectively.
  • Analyze backfill production data to identify trends and deviations.
  • Evaluate the quality of backfill materials and processes against specified standards.
  • Implement corrective actions to address process deviations and maintain product quality.
  • Demonstrate safe work practices and adherence to environmental regulations during backfill production.
  • Design process monitoring plans to optimize backfill production efficiency.

Target Audience

This course is designed for production supervisors, shift bosses, and backfill plant operators in the mining industry who are responsible for overseeing or executing backfill production processes.

Prerequisites

None — open enrollment.

Course Outline

Day 1: Introduction to Backfill Production and Process Control

Objectives:
• Understand the role of backfill in mining operations
• Identify key process control principles
• Recognize safety and environmental considerations
• Describe the overall backfill production workflow

Topics:
• Overview of backfill types (paste, hydraulic, rock fill)
• Importance of backfill for ground support and waste management
• Introduction to process control in backfill plants
• Basic instrumentation and control loops
• Safety protocols and environmental compliance

Day 2: Backfill Material Properties and Mix Design

Objectives:
• Characterize backfill materials (tailings, binders, water)
• Understand mix design parameters
• Perform basic quality control tests
• Interpret material specifications

Topics:
• Physical and chemical properties of tailings
• Binder types (cement, fly ash, slag) and their effects
• Water quality and its impact on backfill
• Mix design calculations and optimization
• Laboratory testing: slump, density, rheology

Day 3: Backfill Plant Equipment and Layout

Objectives:
• Identify major equipment in a backfill plant
• Understand equipment functions and operation
• Describe plant layout and material flow
• Recognize common maintenance issues

Topics:
• Thickeners, filters, and cyclones
• Mixers (batch vs. continuous)
• Pumps and pipelines for backfill transport
• Storage bins and feeders
• Plant layout and process flow diagrams
• Equipment maintenance schedules

Day 4: Process Control Fundamentals

Objectives:
• Explain control system components (sensors, controllers, actuators)
• Understand feedback and feedforward control
• Interpret P&IDs and control strategies
• Apply basic tuning methods

Topics:
• Sensors for density, flow, pressure, level
• Programmable logic controllers (PLCs) and SCADA
• Control loop types: PID, cascade, ratio
• Tuning techniques (Ziegler-Nichols, trial-and-error)
• Reading and creating P&IDs

Day 5: Instrumentation and Measurement Techniques

Objectives:
• Calibrate common process instruments
• Troubleshoot measurement errors
• Ensure accuracy and reliability of data
• Apply standards for instrumentation

Topics:
• Flow measurement: magnetic, ultrasonic, Coriolis
• Density measurement: nuclear, microwave
• Pressure and level transmitters
• Calibration procedures and standards
• Signal transmission (4-20 mA, HART, fieldbus)

Day 6: Backfill Production Process – Thickening and Filtration

Objectives:
• Control thickener operation for desired underflow density
• Optimize flocculant dosage
• Manage filtration processes
• Troubleshoot common issues

Topics:
• Thickener types and operation
• Flocculant preparation and dosing control
• Underflow density control strategies
• Filter types (vacuum, pressure) and cake moisture control
• Process upsets and corrective actions

Day 7: Backfill Production Process – Mixing and Transport

Objectives:
• Control mixing parameters for consistent backfill quality
• Monitor transport system performance
• Address pipeline blockages and wear
• Ensure proper slurry rheology

Topics:
• Batch vs. continuous mixing control
• Mixing time, speed, and energy monitoring
• Pipeline flow regimes and pressure drop
• Wear monitoring and pipeline maintenance
• Slurry rheology and its impact on transport

Day 8: Quality Control and Assurance in Backfill Production

Objectives:
• Implement QC tests for fresh and hardened backfill
• Analyze test results and adjust process
• Maintain records and traceability
• Apply statistical process control (SPC)

Topics:
• Sampling protocols at plant and delivery point
• Fresh properties: slump, temperature, density
• Hardened properties: UCS, permeability
• SPC charts and process capability
• Non-conformance handling and corrective actions

Day 9: Automation and Advanced Control Strategies

Objectives:
• Design advanced control loops for backfill processes
• Implement model predictive control (MPC)
• Optimize energy and reagent consumption
• Integrate automation with plant operations

Topics:
• Advanced process control (APC) overview
• Model predictive control applications
• Optimization of thickener and mixer operations
• Energy management and cost reduction
• Human-machine interface (HMI) design

Day 10: Troubleshooting and Problem Solving

Objectives:
• Diagnose common process control problems
• Apply systematic troubleshooting methods
• Implement corrective actions
• Document and prevent recurrence

Topics:
• Troubleshooting methodology (5 Whys, fishbone)
• Common issues: sensor drift, valve sticking, pump cavitation
• Root cause analysis of quality deviations
• Emergency shutdown procedures
• Case studies of plant incidents

Day 11: Safety, Health, and Environmental Management

Objectives:
• Identify hazards in backfill production
• Apply risk assessment techniques
• Implement SHE procedures
• Ensure environmental compliance

Topics:
• Hazard identification: chemical, physical, ergonomic
• Risk assessment (JSA, HAZOP)
• Personal protective equipment (PPE)
• Spill containment and waste management
• Environmental monitoring and reporting

Day 12: Integrated Plant Simulation and Final Assessment

Objectives:
• Simulate a complete backfill production process
• Apply all process control techniques learned
• Demonstrate competence in plant operation
• Complete final written and practical assessment

Topics:
• Integrated plant simulation exercise
• Process control scenarios (startup, shutdown, upset)
• Data analysis and reporting
• Review of key concepts
• Final assessment (theory and practical)

Practicals

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

Hands-on practical sessions are essential for learners to apply process control techniques in simulated and real plant environments. These practicals reinforce theoretical knowledge through equipment operation, troubleshooting, and quality control testing, ensuring competency in backfill production process control.

Practical Activities
  • Practical 1: Instrument Calibration and Loop Tuning — Learners calibrate density, flow, and pressure transmitters, then tune PID control loops on a simulated backfill plant using PLC software. (8h)
  • Practical 2: Thickener and Filter Operation — Learners operate a pilot-scale thickener and filter, adjusting flocculant dosage and underflow rate to achieve target density and cake moisture. (8h)
  • Practical 3: Backfill Mixing and Quality Control Testing — Learners prepare backfill mixes with varying binder content and measure fresh properties (slump, density, rheology) to optimize mix design. (8h)
  • Practical 4: Troubleshooting and Process Optimization — Learners diagnose simulated plant faults (e.g., sensor drift, pump cavitation) and implement corrective actions using a SCADA system. (8h)
  • Practical 5: Integrated Plant Simulation Exercise — Teams run a full backfill plant simulation from startup to shutdown, handling normal operations and upset scenarios while maintaining product quality. (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
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On-Campus training — face-to-face sessions at our training venues across Africa and beyond.
Showing all 534 sessions across 26 venues
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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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