The NYKOS project aimed at addressing some of the main knowledge gaps on the environmental impacts of submarine tailing disposal (STD) to facilitate the development of techniques, practices and management measures that will minimize such impact. Here, we report on the main issues addressed by the di...

A process of removing iron from bauxite ore is described. The ore is firstly reduced in CO and H₂ atmosphere to convert iron contamination of bauxite to magnetite or elemental iron. Then material is finely crushed and passed through the magnetic separation. Short characterisation of green and prehea...