Benilite Beneficiation of Ilmenite
Benilite Beneficiation of Ilmenite : Also called the Wah Chang process. A process for increasing the titanium content of ilmenite by extracting some of the iron with hot hydrochloric acid. The ore is pretreated by reduction in a rotary kiln. The extraction takes place in a rotating spherical iron pressure vessel. The hydrochloric acid is recovered for re-use by the Woodhall-Duckham process