This working group, formerly the Industrial Comminution Efficiency Working Group, is a community of interest for operators, suppliers, subject-matter experts and other stakeholders interested in discussing and addressing common industry challenges for mineral processing. Topics include comminution efficiency, plant improvement and design, emerging technologies, metallurgical accounting, and testing procedures. The Working Group officially launched in 2020 following an industry survey to determine priorities.

Join the Working Group and its Projects.


Global collaboration in mineral processing is important because, while technology and society rapidly advancing, this field employs long-term assets that make it challenging to change. Further, processing is energy-intensive, and collaboration is needed to meet the global demand for energy efficiency.


  • Develop guidelines and tools to meet common industry needs in mineral processing
  • Coordinate a global network of multi-disciplinary and multi-sectorial professionals with knowledge on mineral processing to share lessons learned, best practices and drive valuable conversations
  • Enable a global platform for knowledge sharing on mineral processing


The working group was originally formed in 2020 with top priorities including energy and water efficiency, geometallurgical planning, metallurgical test work for greenfield projects, and tests for the selection of comminution equipment. Since then, a series of sub-committee calls and forums have furthered the defining of industry priorities leading to the launch of a geometallurgy guideline series project, the formation of proposed projects for process control and metal accounting, several proposed projects in the industrial comminution efficiency sub-committee, and the review of published guidelines.


Industrial Comminution Efficiency Sub-Committee

Comminution is incredibly energy-intensive, and improving efficiency not only saves mining operations money but also reduces their ecological footprint. This sub-committee aims to assist the industry by defining methods and best practices for the industry. Learn more 


This project aims to develop a series of guidelines to address the general confusion within geology, mining, and metallurgical functions of how geometallurgy can be used to add value for greenfield or brownfield project development and within an operating site. Learn more


Process Control

This proposed project is in the process of defining the areas where guidance would be most valuable. Emerging areas of priority are training and skills framework, plant management, lifecycle modelling and planning, data management, and alarm systems. 

Metal Accounting

This proposed project is still largely undefined, as input is needed on where the need for guidance is greatest. During the most recent project call, there was a discussion on what a maturity curve for metal accounting might look like. This will help to narrow down the focus for where a guideline project would be most valuable.