Disclosed herein, is a process for recovering- valuable metals and/or their oxides from red mud bauxite residues or similar. The process comprises: calcining a red mud residue having a pH of less than about 10 to provide a calcinated red mud residue; acid leaching the calcinated red mud residue to provide a silica rich solid component and an acid leachate; separating the silica rich solid component and the acid leachate; precipitating an iron rich solid component from the acid leachate; and separating the precipitated iron rich solid component from the acid leachate to provide an aluminium rich liquor.
申请公布号
WO2015058239(A1)
申请公布日期
2015.04.30
申请号
WO2014AU00992
申请日期
2014.10.21
申请人
PELOTON RESOURCES PTY LTD
发明人
MORRIS, RICHARD;TODD, MATTHEW, CHARLES, LEIGHTON;LENYSZYN, DAVID, ADAM;O'CONNOR, TERENCE, JOHN