METHOD FOR OBTAINING MAGNETITE

摘要

The invention relates to a method for obtaining magnetite using red mud, which is produced by the method used by Bayer for the manufacture of alumini um. The method according to the invention comprises at least the reduction o f haematite and/or goethite to form magnetite using at least one reductant, said reductant containing at least one vegetable oil and/or a fat and/or car bon.