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Conference Proceedings

Fourth Mill Operators' Conference, Burnie Tas, March 1991

Conference Proceedings

Fourth Mill Operators' Conference, Burnie Tas, March 1991

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Magnetic Separation within Renison's Sulphide Circuit

Pyrrhotite is the predominant gangue mineral at Renison comprising about 60 percent of the sulphides in an average ore blend. It exists as two crystal structures - monoclinic and hexagonal. Monoclinic pyrrhotite is the slowest floating of all minerals but is ferromagnetic and hence recoverable more efficiently by low intensity magnetic wet drum separators than flotation. This paper discusses the installation and commissioning of four 0.915 m x 3.0 m, 0.1 Tesla permanent magnet, wet drum separators prior to sulphide roughing flotation. Planned circuit and process control modifications to better accommodate magnetic separation into Renison's flowsheet will be Discussed.
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  • Published: 1991
  • PDF Size: 0.578 Mb.
  • Unique ID: P199101017

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