Crushing and Mineral sorting

Proposed services :

CRUSHING :

40 tons hydraulic press

  Tungsten carbide jaw crusher
  Tungsten carbide ring mill
  Agate ring mill (for powders for « total rock analyzes » (Ø < 10 µm)) QUARTERING :

  Two samplers from « Minerais et Metaux » brand : medium and small model

SIEVING :

  Dry siefter for sieves with a diameter of 20 cm
Sample must be decanted before sieving to eliminate fine particles

Sieving column up to 5 sieves

Sieve mesh sizes available : 50, 80, 100, 150, 200, 250, 300, 400, 500, 850 µm et 1 mm

10 cm diameter sieve

Mesh : 100, 150, 250, 355 µm et 1 mm.

Sieving must be carried out manually.

  Ultrasonic tank for cleaning sieves with a diameter of 20 cm.

SEPARATION BY DENSITY :

  Densitest ® : Separation bu relative density

  Dense Liqueurs : Separation by absolute density :
• Bromoform : d=2,9
• Diiodomethane : d=3,3
Possibility to have diluted product to obtain suitable density

  Separations hare done under sorbonne

MAGNETIC SEPARATION :

  Frantz Isodynamic :
Can be used in Vertical or Horizontal position

  Frantz with magnetic barrier

EXTRACTION OF QUARTZ :

  Chemistry room with fume hoods

  Hotplate

  Balance

  Water distiller (MilliQ)

Equipment available :

  Ovens

  Balances