发明申请
US20220032207A1 PROCESSES FOR TREATING AQUEOUS COMPOSITIONS COMPRISING LITHIUM SULFATE AND SULFURIC ACID
有权
基本信息:
- 专利标题： PROCESSES FOR TREATING AQUEOUS COMPOSITIONS COMPRISING LITHIUM SULFATE AND SULFURIC ACID
- 申请号：US17397934 申请日：2021-08-09
- 公开(公告)号：US20220032207A1 公开(公告)日：2022-02-03
- 发明人： Jean-François MAGNAN , Guy BOURASSA , Nicolas LAROCHE , Bertin OUELLET , Clive BRERETON , Steven BUCHI , Tsuki NAKA
- 申请人： NEMASKA LITHIUM INC.
- 申请人地址： CA MONTRÉAL
- 专利权人： NEMASKA LITHIUM INC.
- 当前专利权人： NEMASKA LITHIUM INC.
- 当前专利权人地址： CA MONTRÉAL
- 优先权： CA2940509 20160826
- 主分类号： B01D9/00
- IPC分类号： B01D9/00 ; C01D5/16 ; B01D5/00
摘要：
The present disclosure relates to processes for treating an aqueous composition comprising lithium sulfate and sulfuric acid. The processes comprise evaporatively crystallizing the aqueous composition comprising lithium sulfate and sulfuric acid under conditions to obtain crystals of lithium sulfate monohydrate and a lithium sulfate-reduced solution; and optionally separating the crystals of the lithium sulfate monohydrate from the lithium sulfate-reduced solution. The processes optionally further comprise concentrating the lithium sulfate-reduced solution under conditions to obtain an acidic condensate and a concentrate comprising sulfuric acid.