Metso and Loesche GmbH have signed a partnership agreement to introduce Metso Loesche VRM dry grinding technology into minerals processing applications. The exclusive partnership pairs Metso’s end-to-end minerals processing solutions and service capabilities with Loesche’s vertical roller mill technology to support efforts to improve efficiency through revised flowsheet design.
"We are truly excited about the collaboration with Loesche. The launch of the Metso Loesche VRM dry grinding technology sets a new benchmark in sustainable comminution, delivering clear sustainability and efficiency gains to the mining industry," Bjorn Nielsen, vice president of HPGR and dry grinding at Metso, said.
Nielsen added: "It significantly reduces energy consumption in one of the industry’s most power-intensive steps and lowers operating costs through simplified flowsheets and reduced wear part consumption. It also produces a steeper, more consistent product particle size distribution and less oxidation of sulfide mineral particles, improving downstream beneficiation performance and supporting more sustainable, resource-efficient mineral processing.”
“Together with Metso, we are uniquely positioned to deliver significant value to the mining industry and support the shift towards more resource-efficient operations. VRM technology already has a proven track record with more than 2,400 references in cement and other industry applications worldwide, and we are excited to see it taken into use also in minerals processing, where it can provide substantial benefits," Stefan Baaken, managing director at Loesche Australia and global head of mining applications at Loesche, said.
Metso Loesche VRM dry grinding technology forms part of the Metso Plus offering and can replace high-pressure grinding rolls (HPGR), horizontal mills in primary and secondary applications, and tertiary stirred mills. The partners say the technology can simplify process flowsheets, reduce energy consumption and lower operating costs, while improving mineral liberation and producing a steeper particle size distribution for downstream processes. The technology can also enable advanced flowsheets incorporating coarse particle flotation, magnetic separation or other coarse beneficiation methods, which may reduce or eliminate water usage where fully dry processes are feasible.
The VRM design uses wear materials specified for mineral processing to support operating availability, and integrates advanced process control for optimized operation, straightforward stop-start procedures and rapid ramp up. Metso will offer the VRM technology and related services exclusively for a range of minerals processing applications.
More information is available at https://www.Metso.com/portfolio/VRM and www.Loesche.com
Register for the webinar on Thursday, March 5, 2026, 15:00–16:00 EET to learn more about the Metso Loesche VRM dry grinding technology. Company officials direct those interested to use this registration link.
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