<p>A sulfate process for producing titania from a titaniferous material is disclosed. The process includes leaching the titaniferous material and producing a leach liquor, separating titanyl sulfate from leach liquor, hydrolysis of the extracted titanyl sulfate, and thereafter calcining the solid phase produced in the hydrolysis step. The process is characterized by multiple stage leaching of the titaniferous material.</p>
申请公布号
AT353373(T)
申请公布日期
2007.02.15
申请号
AT20030753132T
申请日期
2003.10.17
申请人
BHP BILLITON INNOVATION PTY LTD
发明人
ROCHE, ERIC, GIRVAN;STUART, ALAN, DAVID;GRAZIER, PHILIP, ERNEST