111/18/2015

Effective size is 500 µm to 4 mm but larger size than 0.5mm is more effective

Applicable ores: coal, iron ores, lead/zinc,chromite, manganese, fluorspar, spodumene,diamond, sulphide and other ores

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311/18/2015 (Wills, 2011)

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𝑺𝑮𝑯𝒆𝒂𝒗𝒚𝒎𝒊𝒏𝒆𝒓𝒂𝒍 −𝑺𝑮𝑳𝒊𝒒𝒖𝒊𝒅

𝑺𝑮𝑳𝒊𝒈𝒉𝒕 𝒎𝒊𝒏𝒆𝒓𝒂𝒍 − 𝑺𝑮𝑳𝒊𝒒𝒖𝒊𝒅

And 𝑆𝐺ℎ𝑒𝑎𝑣𝑦 𝑚𝑖𝑛𝑒𝑟𝑎𝑙: 𝑆𝐺 𝑜𝑓 ℎ𝑒𝑎𝑣𝑦 𝑚𝑖𝑛𝑒𝑟𝑎𝑙 𝑖𝑛 𝑡ℎ𝑒 𝑔𝑖𝑣𝑒𝑛 𝑜𝑟𝑒𝑆𝐺𝑙𝑖𝑔ℎ𝑡 𝑚𝑖𝑛𝑒𝑟𝑎𝑙: 𝑆𝐺 𝑜𝑓 𝑙𝑖𝑔ℎ𝑡 𝑚𝑖𝑛𝑒𝑟𝑎𝑙 𝑖𝑛 𝑡ℎ𝑒 𝑔𝑖𝑣𝑒𝑛 𝑜𝑟𝑒

𝑆𝐺𝐿𝑖𝑞𝑢𝑖𝑑: 𝑆𝐺 𝑜𝑓 𝑎𝑛𝑦 𝑙𝑖𝑞𝑢𝑖𝑑 𝑎𝑠𝑠𝑜𝑐𝑖𝑎𝑡𝑒𝑑 𝑤𝑖𝑡ℎ 𝑡ℎ𝑒 𝑚𝑖𝑛𝑒𝑟𝑎𝑙.

In most cases, the liquid is water which specific gravity is 1.

If Density Difference > 2.5 => easy to separate.

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(http://www.seprosystems.com/sepro-mineral-systems-news/dense-media-separation-a-proven-technology#.VkoXEPkrLDc, 17/11/2015)

𝝈𝒔=𝟏𝟎𝟎

𝑺

𝝈𝒂+(𝟏𝟎𝟎−𝒔)

And 𝜎𝑠: 𝑠𝑝𝑒𝑐𝑖𝑓𝑖𝑐 𝑔𝑟𝑎𝑣𝑖𝑡𝑦 𝑜𝑓 𝑠𝑢𝑠𝑝𝑒𝑛𝑠𝑖𝑜𝑛 𝑠𝑜𝑙𝑖𝑑

𝜎𝑎: 𝑠𝑝𝑒𝑐𝑖𝑓𝑖𝑐 𝑔𝑟𝑎𝑣𝑖𝑡𝑦 𝑜𝑓 𝑝𝑢𝑙𝑝

s : weight concentration of solid

611/18/2015

(Richard, 1984)

711/18/2015

(Voges, 1975)

C =12 ×3𝑑𝑎2 × 𝑆𝐺𝑝𝑟

2

C’ =8 ×3𝑑𝑎2 × 𝑆𝐺𝑝𝑟

2

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(Richard, 1984)

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µm).

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1. Main Heavy medium Sump2. Dilute Medium Sump3. Thickener4. Classifier5. Cyclone6. Drum Magnet-Single or double7. Demagnetizing coil8. Curved screenA. Total Dilute mediumB. Heavies dilute mediumC. Lights Dilute MediumD. Non Megnetic finesE. Non Megnetic SandF. Classified water (recycled)

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