![]() It provides reliable and effective concentration treatment, designed for optimum metals recovery. Separation is accomplished by a combination of a strike-time cycle and a perpendicular crossflow of dressing water. This technology is typically used for upgrading gold, platinum, and other precious metals from less dense gangue materials to a high-grade final concentrate. The MT3500 Shaking Table is designed to separate minerals based on specific gravity parameters. This fluidisation feature also ensures that the feed, concentrate and tails will not plug, bridge or pack as can happen with un-fluidised gravity systems. It is also the only continuous gravity concentrator available that utilises the patented fluid-bed feature for ensuring separation of high and low specific gravity minerals. The CVD technology differs by discharging a continuous stream of concentrate while simultaneously processing fresh feed, whereas the other units must be stopped intermittently to remove the high-grade concentrate. The CVD Concentrator uses similar principles of mineral separation and recovery to that of the Knelson Semi-Continuous Concentrator. ![]() Knelson™ Continuous Variable Discharge ConcentratorĪ variant of the semi-continuous unit, Knelson Continuous Variable Discharge Concentrator (CVD), is engineered to address the specific mineral recovery applications where the feed contains a high content of the target mineral. It has been engineered to combine centrifugally enhanced gravitational forces with a fluidised bed process to optimise precious metals recovery. The concentrator utilises a rotating assembly and includes the latest design in concentrate cone technology and features advancements in the upper and lower frames. It is highly configurable and has a capacity range from laboratory scale up to 1000 tonnes of solids per hour. It is available in a range of model sizes that will suit sites’ requirements. ![]() The Knelson Semi-Continuous Gravity Concentrator is known globally for its leading capabilities in gold recovery, fine gold recovery and the recovery of other precious metals. Knelson™ Semi-Continuous Gravity Concentrator The machines are also capable of processing feed densities of up to 75%, making them truly advanced and worth the investment. Fluidised bed technology is used to prevent dewatering while maximising available recovery surface area. Benefits include a large feed capacity which would eliminate distribution needs.Our gravity concentration equipment has been synonymous with gravity recovery since 1978 and offers a robustly engineered design for long operational life with high availability and minimal maintenance requirements.Ĭomplete gravity systems can be customised to easily fit into existing plants while plant integrated automation packages allow the gravity system to operate autonomously with little user interface.Concern is the bypass of coarse, light particles to the underflow.Previous studies have indicated the ability to achieve efficient density-based separations over a range of medium densities.Typical throughput capacity of around 1.0 - 2.0 tons/hr/ft 2.To report to the underflow stream, the particles must have a density or total mass that can overcome the hindered settling conditions in the fluidized particle bed.Īs such, Teeter-Bed units are commonly referred to as autogenous dense-medium devices.ģ:1 particle size range. The bed level is monitored and control by measuring the bed pressure and manipulating the underflow discharge valve. Utilizes an upward current of water that has a velocity equal to the high-ash content particles thereby creating a fluidized particle bed. Heavy Medium Separation Mineral Applications Operator/Plant Location
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