Roy Hill Iron Ore - Hydrocyclone - Mineral Processing - OMC. Roy Hill Iron Ore Project. Acoje Limonite Scrub Product. Project Category Process Design. Client Roy Hill Iron Ore Pty Ltd via Lycopodium Engineering Pty Ltd. Location Pilbara Region, Western Australia.However, LKAB is a leading manufacturer of highly refined iron ore pellets and is thus able to operate reasonably economically. About 83 of their iron ore goes into the processing and production of pellets. However, in 2014 and 2015, the company‘s operational result collapsed due to iron ore price erosion, and the company went into the red.