Jarosite Production

Jarosite Production: The roast-leach-electrowin process for zinc production involves roasting zinc sulphide concentrate to produce calcine containing zinc oxide. Zinc concentrate roasted at Risdon typically contains

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Calcium Montmorillonite Flocculation

The flocculation process involving fine particles and organic polymers can be depicted by the following sequence: adsorption of the polymeric species on particles, conformational changes

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Optimum Carbon Loading CIP Circuit

Figure 1 simplifies a CIP circuit, implied are the transfer and screening mechanisms. Gold/silver are dissolved, activated charcoal (carbon) is moved countercurrently to the flow

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Smectite Ceramics

Smectite is the name for a group of sodium, calcium, magnesium, iron, lithium aluminun silicates which include the minerals sodium montmorillorite, calcium montmorillonite, saponite, nontronite,

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Diatomite Deposit Formation

Worldwide, diatomites occur within Tertiary to Recent lacustrine and marine sediment facies (see Table 1). Geologically, the oldest marine and lacustrine diatoms predate the effusive

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Dredge Mining

The dredge selected for the project was the Para. It is purportedly the largest discountable dredge in the world. Two weeks after its arrival at

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CIL Tailings Gold Flotation

A preliminary series of laboratory flotation tests was performed to determine the nature of the unleached gold values of the CIL tailings. The gold in

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