Autogenous grinding 1987—update

CIM Bulletin, Vol. 82, No. 921, 1989
A.R. MacPherson, A.R. MacPherson Consultants Ltd.
Abstract This paper considers four aspects of autogenous grinding. Part 1 discusses statements on power efficiency of autogenous grinding compared to conventional crushing and grinding systems. It also demonstrates how high-power efficiency can be obtained from autogenous grinding systems. Part 2 considers a simple method of testing ores to determine the type of autogenous plant which can treat these ores on a commercial basis. A comparison of testing for simple small plants vs large plants or complex ores is included. Part 3 considers important aspects which have to be considered in proper design of an autogenous grinding system. Part 4 discusses problem ores and how they can be treated in an autogenous system.
Keywords: Autogenous grinding, Grinding systems, Power efficiency, Processing plants, Systems design
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