Global Mining Guidelines Group

  • GMG Methods to Survey and Sample Grinding Circuits for Determining Energy Efficiency

    January 20, 2023

    The Global Mining Guidelines Group (GMG) has published a revision of Methods to Survey and Sample Circuits for Determining Energy Efficiency, which was originally published in 2013.   This guideline aims to provide tools for practitioners to measure the energy efficiency of comminution circuits using standardized metrics. Additionally,…

  • Publication: The Morrell Method to Determine the Efficiency of Industrial Grinding Circuits Guideline (Revision)

    December 16, 2021

    December 16, 2021 The Global Mining Guidelines Group (GMG) has published a revision of The Morrell Method to Determine the Efficiency of Industrial Grinding Circuits, which was originally published in 2016.  This guideline provides readers with a practical and condensed version of the Morrell method, which is well known and widely…

  • Publication: Determining the Bond Efficiency of Industrial Grinding Circuits Guideline (Revision)

    December 16, 2021

    December 16, 2021 Resistance does matter. Ask any metallurgist what can tip the balance between profit and loss, and they’ll tell you it often comes down to the rock – the cost of crushing that rock.   Determining the Bond Efficiency of Industrial Grinding Circuits describes the Bond method for quantifying and…

  • Mineral Processing Forum Workshop Outcomes

    March 2, 2021

    During the February 9th 2021 GMG Mineral Processing Virtual Forum, collaboration focused on topics within mineral processing to help defining the key needs for industry collaboration as well as existing work and resources. GMG is in the processes of defining proposed projects in these areas,…

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