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MEI Online: Comminution: Latest News: October 30th 2013


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:: Global Mining Standards and Guidelines Group Forms Industrial Comminution Efficiency Standard Working Group


The Global Mining and Standards Group (GMSG), an organization for global mining collaboration on solutions to common industry problems, needs and technology through standards, guidelines and best practices, is pleased to announce the formation of their newest Working Group : ďA Standard for Industrial Comminution Efficiency ".

This new Working Group emerges at an important time. The industry is working feverishly to cut costs, but lacks standardization or common best practice to deliver solutions in the most expeditious way-particularly when it comes to efficient energy use.

It is a well-known fact that comminution (or size reduction), primarily through ore crushing and grinding processes, is responsible for the lionís share of energy use in the minerals business. When this is placed in the context of todayís challenging operational environment, the resulting statistics are staggering.

The CEEC (Coalition for Eco-efficient Comminution) puts comminution energy use at 53 percent of the total energy use at a mine site. Additionally, they translate this to at least 10 percent of site production costs.

The objective of this Working Group is to refine and formalize industry best practices for applying the Bond method of quantifying comminution efficiency, including provision of a benchmarking data base for industry wide use.

The Working Group Leader will be Robert McIvor, who has devoted his 40-year career to improving the processing performance of grinding equipment and circuits. Launch of this project was motivated by widespread recognition of the need to reduce mining industry size reduction energy usage (as promoted by CEEC), and to provide a metric to feed into related initiatives such as the AMIRA P1126 Energy Efficiency Benchmarking project.

A page providing more information, including how all interested parties can contribute to this project, will soon be established on the GMSG website (www.globalmingstandards.org). In the meantime, contact Heather Ednie, Managing Director of The Global Mining Standards and Guidelines Group at HEdnie@CIM.org for information.




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