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公开(公告)号：US20230038391A1
公开(公告)日：2023-02-09
申请号：US17786627
申请日：2020-12-18
发明人： Woo Chul JUNG , Woonkyoung PARK , Kiyoung KIM
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.
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公开(公告)号：US20190263670A1
公开(公告)日：2019-08-29
申请号：US16308075
申请日：2016-06-07
发明人： Woo Chul JUNG , Sang Gil LEE , Kwang Seok PARK , Sung Kook PARK , Ki Young KIM , Jin Yeop WI , Hyun Woo LEE , Woon Kyoung PARK , Myung Gyu LEE
摘要： An apparatus for preparing carbonate according to an embodiment of the present invention includes a reactor in which carbonation gas reacts with a solution to be carbonated; a first nozzle located at one side of the reactor, and discharging the solution to be carbonated into the reactor, a second nozzle located adjacent to the first nozzle, and spraying the carbonation gas into the path through which the solution to be carbonated is discharged to form a mist composed of the solution to be carbonated and the carbonation gas, and a recovery unit located at a lower end of the reactor, and recovering a carbonate salt from the slurry formed in the reactor.
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公开(公告)号：US20180147531A1
公开(公告)日：2018-05-31
申请号：US15573523
申请日：2016-05-11
发明人： Sung Kook PARK , Kwang Seok Park , Sang Gil LEE , Woo Chul JUNG , Ki Young KIM , Hyun Woo LEE
摘要： The present invention relates to a method for producing lithium hydroxide and lithium carbonate, wherein the lithium hydroxide and the lithium carbonate can be produced by a series of steps of: performing bipolar electrodialysis of a lithium-containing solution from which divalent ion impurities have been removed; concentrating lithium in the lithium-containing solution and at the same time, converting the lithium to lithium hydroxide; and carbonating the lithium hydroxide to obtain lithium carbonate.
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公开(公告)号：US20190264343A1
公开(公告)日：2019-08-29
申请号：US16308079
申请日：2016-06-07
摘要： The present invention relates to a method for producing metallic lithium, and specifically a method for preparing lithium metal according to an embodiment of the present invention, comprises: preparing lithium phosphate; preparinge a mixture by adding a chlorine compound to the lithium phosphate; heating the mixture; obtaining lithium chloride by reacting the lithium phosphate and the chloride compound in the mixture; producing molten lithium metal by electrolyzing the lithium chloride; and recovering the molten lithium metal is disclosed.
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公开(公告)号：US20230025008A1
公开(公告)日：2023-01-26
申请号：US17787010
申请日：2020-12-07
发明人： Jae Myung LEE , Jun-Kyu AHN , Woo Chul JUNG , Kee Uek JEUNG , Jung Kwan PARK , Sang Won KIM
IPC分类号： C01D15/02 , C01B15/043
摘要： The present invention relates to a novel method for preparing lithium oxide. In the present invention, the particle size and shape of lithium oxide may be controlled during the preparing process. In addition, the present invention relates to lithium oxide with controlled particle size and shape prepared by this preparing method.
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