公开(公告)号：US20220033269A1

公开(公告)日：2022-02-03

申请号：US17414061

申请日：2019-07-22

申请人： POSCO ,  RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY

发明人： Tae Bong BYEON ,  Keon Mok SOHN ,  Kiyoung KIM

IPC分类号： C01B39/46 ,  C01B39/14 ,  C01B39/22

摘要： Disclosed is a method of producing zeolite that includes obtaining a lithium residue including aluminosilicate from lithium ore including lithium oxide; washing the lithium residue to adjust the pH of the lithium residue; adjusting a molar ratio of silicon to aluminum (Si/Al) included in the lithium residue; preparing a hydrogel by adding an alkali material to the lithium residue; and preparing crystals by crystallizing the lithium residue in the form of a hydrogel.

公开(公告)号：US20230038391A1

公开(公告)日：2023-02-09

申请号：US17786627

申请日：2020-12-18

申请人： RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY

发明人： Woo Chul JUNG ,  Woonkyoung PARK ,  Kiyoung KIM

IPC分类号： C22B26/12 ,  C22B3/00 ,  C02F1/02 ,  C02F1/28 ,  C02F1/52

摘要： A method of extracting lithium from a lithium-containing solution according to an exemplary embodiment of the present invention includes: obtaining a lithium chloride solution from the lithium-containing solution; and crystallizing and removing sodium chloride in the obtained lithium chloride solution.