Abstract
Increasing environmental awareness and pressure is focusing attention on metal removal leading to the accelerated development of contaminated land reclamation technologies. The majority of wastes associated with base metal mining activity are fine tailings. Depending on the age and history of the metals, their characteristics vary considerably and each deposit requires individual characterisation. This paper investigates the treatment of lead–zinc mine wastes by the multi-gravity separator, a novel mineral processing machine. A laboratory study was carried out to find the most effective conditions using parameters such as drum angle and size fraction. A material and mass balance for the laboratory system has demonstrated that approximately 12% of the Pb can be removed in the form of concentrate with 12% Pb content.
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