首页|Maximising the economic performance of your commination circuit through cut-of optimization
Maximising the economic performance of your commination circuit through cut-of optimization
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NSTL
The comminution function is just one in a longchain of value-adding functions that begins with ore in theground and ends with the dale of metal, concentrate or someother product. The creation of an economic model forcomminution is complicated by the fact that it is difficult toidentify the exact amount of value added by comminution, andfurther complicated by the fact that changes in comminution on arange of other associated functions such as ore-wastediscrimination (cut-offs), mine scheduling and down-stream processing.The authors argue that in order for comminution to be modelledeffectively, it must be incorporated into a framework whichincludes many other related functions. In this way, a change in thecomminution circuit can be evaluated after taking into accountits effect on other related activities.This paper also presents a significant innovation which allows thesimultaneous optimization of milling time and processing cut-offs, with the objective of maximising NPV.
D.Whittle
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1999
International journal of surface mining, reclamation and environment
NSTL
