Extraction of Copper, Nickel and Cobalt from Indian Ocean Polymetallic Nodules

Various processes used for the recovery of valuable metals such as copper, nickel and cobalt from marine manganese nodules has been reviewed and an effective process for their extraction has been described. On examine divers procédés de récupération de métaux intéressants comme le cuivre, le nickel et le cobalt venant de nodules de manganèse marins et on décrit un procédé d'extraction efficace.