Stirred Milling Technology – A New Concept in Fine Grinding I Roitto1, H Lehto2, A Paz3 and M Åstholm4 1. Senior Process Metallurgist – Concentrators, Outotec (Finland) Oy, Riihitontuntie 7E, Espoo, Finland. Email: ilkka.roitto@outotec 2. Technology Manager – Grinding Processes, Outotec (Finland) Oy, Riihitontuntie 7E, Espoo, Finland.