New Spirals Boost Recovery at Northam Chrome • Clariant Collects New Chemical Production Assets • Veolia to Supply Effluent Treatment Facility for Brucejack

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GIW Pump Design Improvements Boost Reliability • Metso to Deliver Plant Equipment for Major Asian Copper Project • Outotec Books Orders for 2 Solvent Extraction Systems

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‘Smart’ Cyclone Solution Keeps a Keen Eye on Performance

FLSmidth has introduced its new SmartCyclone closed-circuit grinding optimization system—a monitoring and control solution that is claimed to reduce cyclone-related process perturbations, improve cyclone overflow particle size distribution, and predict and control cyclone maintenance schedules. The new technology is the result of collaboration between the hydrocyclone team at FLSmidth Krebs and FLSmidth’s Automation team.

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New Processes for Cleaning Up Copper Concentrates

Alan Taylor, a well-known metallurgical consultant and managing director of ALTA Metallurgical Services, recently commented in his new blog MetBytes about how the industry is looking at ways to handle the problem of impurities in copper concentrates. He wrote: “Some new players have joined the list of hydromet processes for copper sulphide concentrates. A key driving force is increasing industry concerns in the transporting and smelting of concentrates with high impurity levels, especially arsenic. This has led some to focus on removal of impurities rather than total hydromet processing.” The following is his summary of new developments in this area of hydrometallurgy.

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