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Autogenous mills semi autogenous mills and ball mills for wet grinding A company of Polysius ThyssenKrupp Technologies tk 2 High performance systems for wet grinding applications The comprehensive range of wet grinding systems from Polysius comprises of xAutogenous and semiautogenous mills xBall mills xRod mills and xScrubbers Polysius

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An Autogenous Milling defined as used in this study the term Autogenous milling means a process in which the size of the constituent pieces of a supply of rock is reduced in a tumbling mill purely by the interaction of the pieces or by the interaction of the pieces with the mill shell no other grinding medium being employed The definition

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Oct 8 1968 A R M CPHERSON ETAL 3 404 346 AUTOGENOUS GRINDING MILL Original Filed Oct 9 1962 8 Sheets Sheet 2 a E i i a FIG 3 IN VENTOR5

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Autogenous grinding is a process of grinding ore in a rotating cylinder using large pieces of the same ore Autogenous mills operate mechanically like ball mills however the media used for grinding differs Simply put in autogenous grinding the media is also the material that is being ground

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Designed to do autogenous or semi autogenous grinding with the proper length to diameter relationship contour of the mill heads and placement of internal lifters and deflectors The 6′ X 2′ continuous feed Autogenous or Semi Autogenous Mill may be used to scale up results obtained to any of the larger plant operational mills such as the

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In the USSR autogenous grinding is used in the concentration of gold diamond and iron ores references Spravochnik po obogashcheniiu rud vol 1 Moscow 1972

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Autogenous grinding is a process of grinding ore in a rotating cylinder using large pieces of the same ore Autogenous mills operate mechanically like the ball mills however the media used for grinding differ Autogenous grinding is a process of grinding ore in a rotating cylinder using large pieces of the same ore Autogenous mills operate

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A mill is a device that breaks solid materials into smaller pieces by grinding crushing or cutting Such comminution is an important unit operation in many processes

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EFFECT OF AUTOGENOUS AND BALL MILL GRINDING ON SULFIDE FLOTATION Mining Engineering 1983 Aug 35 8 The effects of grinding on the floatabilities of copper nickel sulfides from Duluth gabbro were investigated At the same mesh of grind copper nickel and cobalt recoveries were higher and residual sulfur in the tailings was lower with

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Autogenous Grinding AG Mill Wet or dry Primary coarse grinding up to 400 mm feed size Grinding media is grinding feed High capacity short retention time Sensitive to feed composition critical size material Semi Autogenous Grinding SAG Mill Wet or dry Higher capacity than A G mill grinding Primary coarse grinding up to 400 mm

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Autogenous grinding is favored when the ore is quite competent and a fine grind is required Semi autogenous grinding is applied when fine crushing could cause severe problems or when ore is variable in hardness or competency Figure 2 shows a typical conventional crushing grinding circuit with three stages of crushing followed by ball mills or

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