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CRC ORE and CSIRO form Future Research Program

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Global Mining Review,

CRC ORE and Australia’s national science agency, CSIRO, have formed a Future Research Program to take CRC ORE’s most promising fields of research into new areas to broaden the impact on the Australian mining industry and economy.

This work will boost the sustainability of the mining industry by helping reduce energy and water consumption, generation of tailings and residues, the physical footprint of operations, as well as optimise the extraction of valuable minerals from resources.

The Future Research Program, launched in September 2021, will ensure that the work of CRC ORE and its research legacy continues to benefit the Australian mining industry.

The programme will expand upon CRC ORE’s foundation research into the development of ore preconcentration technologies that can be deployed within the mine and ahead of the mineral processing plant. The new research scope will investigate ways to apply these principles further down the mining value chain, targeting smaller particle sizes and a wider range of ore types.

Focus areas will include:

  • Incorporating the principles of selective breakage into the design and operation of comminution circuits.
  • Optimising ore feed to coarse and fine particle separators to enhance their performance.
  • Step change reductions in energy and water intensity.
  • Developing new options for sustainable management of waste material.

CRC ORE’s former General Manager of Research and Innovation, Paul Revell, who is now overseeing the programme at CSIRO, said if successful, the research will increase the number of potential locations where preconcentration can be deployed, providing a larger overall impact for the minerals industry.

“Our aim is to extend the resource base that preconcentration can be applied to,” Revell said.

“The preconcentration technology developed through CRC ORE is currently best suited to structurally controlled, vein-hosted ores, however these only represent about one third of the resource base on average.

“A key ambition of the new programme is therefore to initiate research into technologies that can preconcentrate disseminated ores. This group of ore types can be difficult to preconcentrate with contemporary mineral processing technology, however they host a significant proportion of valuable base and precious metals.”

Revell said approximately 3% of global direct energy consumption is used in the mining industry just in crushing rock, so if preconcentration technology could be applied more broadly across the resource base, it would have a wider global environmental and economic impact.

“The opportunity is to develop more energy efficient crushing and grinding processes that are integrated with a preconcentration capability, to remove as much barren material from the ore as possible prior to subjecting the remaining ore to energy and water intensive fine grinding and concentration processes. We’re focusing on the largest energy consuming portion of the mining value chain,” he said.

Revell said it was important to note that the programme is initially small-scale and aims to undertake preliminary research into these areas that others could then build upon.

The programme will be run for an initial three years with the possibility for extension through continuing industry sponsorship and collaboration.

“We will explore opportunities to engage with the mining industry to build a self-sustaining and on-going applied research portfolio in this field to advance promising developments to commercialisation,” Revell added.

“We are fortunate to have CSIRO as a research partner who are supportive, share this vision, and have a depth of research capability and excellent facilities.”

The programme will also support CRC ORE’s mission to help build a highly skilled workforce for the nation amid an ongoing skills shortage in the resources sector.

It will initially support a number of Research Higher Degree scholarships, which will be fully funded and placed across several selected Australian universities.

“One of CRC ORE’s key objectives has always been to build research capacity across Australia, which it did very successfully during its Government-funded term. By taking this new seed research and offering higher degree students a Masters degree or a PHD, it will build capacity for the minerals industry as well as getting the work done. It’s a great outcome,” Revell explained.

CSIRO Mineral Resources’ A/Director, Dr Rob Hough, said CSIRO is looking forward to commencing activities within the Future Research Program, initiated in partnership with CRC ORE.

“The R&D focus areas align well with our existing initiatives and plans, which have significant potential to positively impact the Australian minerals industry,” Dr Hough said.

CRC ORE Chair, Jonathan Loraine, said pre-concentration by coarse sorting and separation is an opportunity to fundamentally recalibrate the cost basis of mineral processing.

“CRC ORE is delighted to have formed the Future Research Project with CSIRO to extend and broaden this field of work,” Loraine concluded.

“This accelerates its deployment in order to reduce the energy, water, land and capital footprint of the Australian and global mining industry.”

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