Comminution Circuit Specific Energy (Morrell)
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Description
This article describes the Morrell method for estimating the specific energy of comminution circuits (Morrell et al., 2016).[1]
Model theory
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Excel
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The Morrell specific energy models may be invoked from the Excel formula bar with the following function calls:
=mdSMC_AbToSMC(A as Double, b as Double, SG as Double, BWI as Double, Optional conversionMethod as Integer = 0)
=mdSMC_P80(K as Double, Mi as Double, F80 as Double, W as Double, Optional returnCalcs as Boolean = false)
=mdSMC_W(K as Double, Mi as Double, x1 as Double, x2 as Double, Optional returnCalcs as Boolean = false)
=mdSMC_Wa(K1 as Double, Mia as Double, x1 as Double, Optional returnCalcs as Boolean = false)
=mdSMC_Wb(Mib as Double, x3 as Double, Optional returnCalcs as Boolean = false)
=mdSMC_Wc(K2 as Double, Mic as Double, x1 as Double, x2 as Double, Optional returnCalcs as Boolean = false)
=mdSMC_Wh(K3 as Double, Mih as Double, x1 as Double, x2 as Double, Optional returnCalcs as Boolean = false)
=mdSMC_Ws(Mia as Double, x1 as Double, x2 as Double, Optional returnCalcs as Boolean = false)
Invoking the function with no arguments will print Help text associated with the model, including a link to this page.
References
- ↑ Morrell, S., Daniel, M. and Burke, J., 2016. Morrell method for determining comminution circuit specific energy and assessing energy utilization efficiency of existing circuits. Global Mining Standards and Guidelines Group: Ormstown, QC, Canada.