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MEI Online: Comminution: Latest News: September 11th 2017


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:: Ro-Star Ultrafine Grinding Mill to be Highlighted by Maelgwyn Mineral Services at Comminution '18


It is good to welcome Maelgwyn Mineral Services (MMS) as a sponsor of Comminution '18. The small Welsh company will be using the conference and exhibition to highlight the progress on the development of the Ro-Star ultrafine grinding mill within its collaboration under the European Institute of Innovation and Technology (EIT) Raw Materials project.

This EU funded KAVA project, co-ordinated by the TU Bergakademie Freiberg - Institute of Mechanical Process Engineering and Processing Technology, is investigating upscaling of the Ro-Star mill from laboratory and pilot size to industrial size mills.


Apart from MMS and TU Bergakademie Freiberg, other collaborators include CEMTEC, Austria, University of Liege, Belgium, Sandvik, Sweden and Assarel Medet, Bulgaria.

The mill is a vertical fine grinding mill, where gravity force enables a higher filling level than in horizontal mills and a hydraulic pressure on the grinding beads. It is envisaged that the optimised milling system will be characterized by a 50 % increased operation period; 50 % lower maintenance needs and high energy efficiency (20-30 % less energy consumption than similar technologies).

Ro-Star Pilot Unit






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