FREMGANGSMAATE VED FREMSTILLING AV ET KONSENTRERT TITANMINERAL UNDER FRASKILLELSE AV JERNBESTANDDELER VED UTLUTING AV ET REDUSERT TITANMINERAL

摘要

A concentrated titanium mineral is prepared by leaching a reduced titanium mineral to remove iron components in a tower apparatus in the fluidized state with an acid leaching agent fed at a specific superficial linear velocity of U1 /= 0.004 Dp + 0.15 cm/sec.