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MEI Online: Plant Operation News: Africa: July 24th 2007


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:: Diamond Concentrator and Recovery Plants for Diamond Core Resources

Diamond Core Resources Ltd has placed an order with Bateman Engineering for diamond concentrator and recovery plants for its operations near Prieska in the Northern Cape, RSA.

The secondary diamond concentration plant will be a 50 t/h dense-media separation (DMS) module, one of the range of standard Bateman Modular Plants that range from 1 to 200 t/h. The 50 t/h module is the most popular of the range, about 80 units now having been supplied worldwide to sites as far apart as the DRC, Angola, Russia and Greece.

The 50 t/h modules (and other modules) can be supplied as stock plants, ensuring rapid delivery. Accordingly, with the order being received on 17 November 2006, it was possible to dispatch the whole pre-tested and disassembled DMS module to Prieska on 6 December 2006. On site, the module was reassembled by the client in January 2007 after which 10 days were required by Bateman Engineering personnel to commission the plant and train the operators.

The feed to the DMS unit will comprise alluvial diamond-bearing material and yield about 20 t/h of concentrate that will be fed to the diamond recovery plant.

The diamond-recovery plant will consist of three Bateman Conventional Grease-Belt modules, arranged in a novel configuration in which the grease-belt units will operate in parallel.

The concentrate delivered to the recovery circuit will be sized into three fractions, being 5 t/h of material greater than 1 mm and smaller than 12 mm in size, 10 t/h of >12 mm to <32 mm material and 10 t/h of >32 mm to <50 mm material.

The recovery modules will be built into seven 12 m Hi-Cube containers in which they will be transported to and also housed on site. The containers will be insulated and air-conditioned to ensure good working conditions for the operators at the site. Delivery is scheduled for the end of June 2007 and commissioning by Bateman Engineering personnel will take about two weeks.

More information on the DMS concentrator module may be obtained from Graham Joyce, Engineering Manager, and on the grease-belt recovery modules from Neels van Niekerk, Project Manager, at +27-11-899-9111 or email Modular@BatemanEngineering.com.




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