There are provided processes for preparing lithium hydroxide that comprise submitting an aqueous composition comprising a lithium compound to an electrodialysis under conditions suitable for converting at least a portion of the lithium compound into lithium hydroxide. For example, the lithium compound can be lithium sulphate and the aqueous composition can be at least substantially maintained at a pH having a value of about 1 to about 4.
申请公布号
CA2944759(A1)
申请公布日期
2014.09.18
申请号
CA20142944759
申请日期
2014.03.17
申请人
NEMASKA LITHIUM INC.
发明人
MAGNAN, JEAN-FRANCOIS;BOURASSA, GUY;PEARSE, GARY;SYMONS, PETER;GENDERS, J. DAVID;BAR, DANIEL;LANGEVIN, MARIE-EVE