Gravity Separation

We provide comprehensive gravity separation services for our clients to maximise recovery through gravity separation processes. Our aim is to create high-grade streams of concentrates for consequential mineral treatments. Gravity separation techniques are tangible cost effective platforms in helping to achieve excellent separations and play an important role in the efficient classification of mineral phases. The types of testwork and gravity separation that can be completed in our Metallurgy laboratory are:

  • Heavy liquid separation (HLS) solution up to 3.5SG
  • Knelson Concentrators batch testing
  • Manual gold panning and mercury amalgamation
  • Inline Pressure Jig testing
  • Wilfley Tabling
  • Spiral concentration
  • Cyclone separation

Our experienced senior metallurgical technicians supervise all our gravity separation testwork programs.

Knelson Concentrator:

Our batch Knelson concentrator is typically useful for recovering fine liberated precious metals at a laboratory scale.

Wilfley Table:

The laboratory Wilfley Table is used for fine and coarse separations of heavy valuable minerals.

Manual gold panning and mercury amalgamation:

Gravity separation concentrates are routinely upgraded by the hand panning technique, free gold within these concentrates are easily recovered via amalgamation with liquid mercury. After the free gold is dissolved in the Mercury the Mercury is recovered and sent for analysis. This technique is invaluable in quantifying free gold and is a key plank in the assessment of adding gravity separation circuits to the processing stream.

Heavy Liquid Separation:

Metallurgy incorporates Metatungstate HLS techniques in heavy liquid separation. We offer a full range of separation up to SG 3.5 in single point and multipoint tests.

Contact the team at Metallurgy to enquire about gravity separation services for your business on 08 9458 3286.