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Gold Extraction Support

Ore in the Circuit. Gold Not Yet in the Bar. We Close That Gap.

Recovery lost in the plant is value that never reaches the pour. MSA Consulting works alongside your metallurgical and process teams to test, design, and optimise gold extraction — from first testwork through to a stable, defensible recovery circuit.

Test-LedOre-Specific Testwork
Circuit-ReadyFlowsheet & Reagent Design
Recovery-FocusedMeasured, Tracked Gains

Metallurgical Testwork & Sample Analysis

Understanding how your ore actually behaves before a single process decision is made.

  • Bottle roll, column & agitated leach testing
  • Mineralogical & deportment studies
  • Comminution & liberation testwork
  • Preg-robbing & refractory ore characterisation

Process Flowsheet Design

Turning testwork results into a workable extraction route sized for your ore and scale.

  • Gravity, flotation & CIL/CIP flowsheet selection
  • Cyanidation & alternative lixiviant assessment
  • Mass & water balance development
  • Capacity & equipment sizing support

Leach & Recovery Circuit Optimisation

Squeezing more gold out of the same circuit through better control, not more capex.

  • Cyanide & oxygen/lime dosing optimisation
  • Residence time & carbon activity review
  • Elution, regeneration & smelting efficiency
  • Gold-in-solution & recovery loss tracking

Reagent & Process Control

Consistent chemistry and control philosophy so recovery doesn't drift with the ore.

  • Reagent consumption & cost optimisation
  • Process control philosophy & instrumentation review
  • pH, DO & cyanide monitoring regimes
  • Operator SOPs & troubleshooting guides

Tailings & Environmental Support

Extraction gains that hold up under environmental scrutiny and permitting requirements.

  • Cyanide destruction & detoxification review
  • Tailings storage facility process input
  • Effluent quality & compliance monitoring support
  • Closure & residual gold assessment

Extraction Audits & Process Reviews

Independent eyes on an underperforming plant — finding where the gold is actually going.

  • Metallurgical accounting & recovery audits
  • Plant survey & mass balance reconciliation
  • Bottleneck & loss-point diagnosis
  • Prioritised improvement roadmaps

Our Extraction Support Workflow — From Sample to Stable Recovery

A structured path from ore characterisation to a circuit that consistently performs.

1

Test

Ore sampled & characterised to understand its extraction behaviour.

2

Design

Flowsheet & reagent regime designed around the testwork results.

3

Optimise

Circuit tuned & controlled to recover gold consistently at scale.

4

Audit & Report

Performance verified against targets, with a clear improvement record.

Recovery below where it should be? Find out where the gold is going.

Request Extraction Support