Mill size (m) dia x length Shell split Product Type, Ball mill Sweden Outotec 1 6,5 x 3,39 1 x 360 iron ore Slide ring section Sweden Outotec. case study: carmen copper - Outotec ambitious, with Carmen Copper and Outotec working in, on-stream analyser, particle size indicator and DCS, COM Two Outotec 6MW ball mills and trommels.