Gain Improved Tank Slurry Agitation via Swirl Flow Technology

Large-scale tanks with working volumes in the range of 1,000-5,000 m3 per tank are used in the minerals processing industry to provide feed storage and various continuous hydrometallurgical processes such as leaching (digestion), precipitation, adsorption, oxidation, tailings washing and neutralization. Typically, single or multiple impellers with vertical baffles inside these tanks are used to provide solids suspension and mixing. In some applications, draft tube agitator or air-lifting pipes are used.

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Dundee to Carry Out Arsenic Stabilization Study

Dundee Sustainable Technologies (DST), based in Quebec, Canada, has entered into a retainer agreement with an unidentified international gold mining company to evaluate the feasibility of integrating DST’s proprietary arsenic stabilization technology for the sequestration of arsenical matter produced in the gold extraction process. This technology, according to DST, enables sequestration of arsenic in a stable glass form.

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Eriez Will Supply Process Equipment to African Phosphate Mine

Eriez Manufacturing Co.’s Flotation Division (EFD), formerly known as Canadian Process Technologies,has been selected to supply proprietary process equipment to the Kropz Elandsfontein phosphate project on the west coast of South Africa. The EFD equipment includes CrossFlow separators for size classification, a rotary slurry powered distributor for stream splitting and 10 flotation columns. The equipment will be commissioned in 2016.

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