A recently published case study has outlined how the innovative InLine Pressure Jig (IPJ) installation at New Gold’s New Afton Mine (near Kamloops, British Columbia) has achieved the New Afton’s project justification of an overall Cu increase of 1.4% – resulting in a payback of two years. The site recently processed large quantities of metallic native copper from the upper oxide (supergene) and transition ores which did not recover as well in the conventional flotation circuit.
The Mineros Group recently implemented the first phase of an expansion project at its extensive alluvial gold dredging operations in the Nechi River delta at El Bagre in Colombia. The project was borne out of a successful pilot plant trial on a tethered barge which accepted a representative stream of Dobaibe gravity feed material.
Gekko Systems has been engaged by Canadian mining producer, New Gold Inc. (NGD), to supply technology for its New Afton copper-gold mine.
New Afton’s new gravity circuit addition will consist of Gekko’s largest InLine Pressure Jig (IPJ) unit – the IPJ3500 – as well as an IPJ2400 and its proven Mag-Screen technology. It will be installed in the existing ball milling circuit.
TMAC Resources Inc. recently placed an order with the Ballarat-based company, Gekko Systems, to design and build two surface modular Python plants followed by a concentrate treatment plant in Hope Bay, Canada. The project, located within the Arctic Circle, will be delivered in two stages over a two-year period with its completion of the 1000 tpd stage 1 plant estimated by the end of 2016.
The CEEC Medal is an annual award for the most outstanding published paper, article or case study profiling beneficial strategies for eco-efficient comminution.
There is an increasing demand from customers to test the capability of the continuous IPJ gravity device to pre-concentrate polymetallic ores. In many cases the test work combines fine crushing (eg VSI) with the IPJ.
Gekko’s IPJ and flash flotation are processing methods which remove gold or other minerals from a comminution circuit. They are complementary technologies and in many cases have been used together to maximise gold recovery in size ranges at which they operate. The combination of flash flotation and continuous gravity recovery covers the full size range from 10μm up to millimetres sizes. (Dominy, Murphy, Gray, 2011).