The invention belongs to the field of
chemical engineering and
metallurgy, and particularly discloses a method for comprehensively utilizing
vanadium and
titanium resources of
vanadium titano-
magnetite.
Vanadium slag obtained in the
vanadium blowing procedure is returned to the electric furnace melting
separation procedure, vanadium is opened from
titanium slag, the vanadium extraction path is changed, vanadium-
titanium co-extraction is achieved, and the vanadium extraction tailing treatment problem is thoroughly solved. The crushing particle size of the vanadium-containing
titanium slag is controlled, fine-particle carbon
powder and a binder are added for
granulation, ore / carbon contact is enhanced, catalytic chlorination is coupled, and therefore the chlorination
reaction temperature is reduced, and the utilization problem of high-
calcium magnesium and titanium resources is solved. A vanadium-iron
alloy is directly smelted by adding a
reducing agent and steel scraps into
titanium tetrachloride vanadium removing dry
slag, and therefore preparation of a vanadium
pentoxide intermediate product is omitted, the process is greatly shortened, and the production cost is reduced. The method can realize comprehensive utilization of the vanadium and titanium resources in the vanadium titano-
magnetite to respectively obtain
titanium tetrachloride and
ferrovanadium alloy products, and has the advantages of being high in
resource utilization rate, capable of achieving
energy conservation and consumption reduction, friendly to environment, high in product added value and the like.