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公开(公告)号：US10478751B2
公开(公告)日：2019-11-19
申请号：US15597429
申请日：2017-05-17
Inventor： Kang-Sup Chung , Byung-Gyu Kim , Tae-Gong Ryu , In-Su Park , Hye-Jin Hong
IPC: B01D15/36 , B01D15/20 , B01J49/85 , B01J49/60 , B01J47/15 , B01J49/06 , B01J20/06 , B01J20/30 , B01J20/34 , C22B3/24 , C22B26/12 , B01J20/28 , B01D15/16 , C01D15/00 , B01J47/018 , B01J39/10 , B01J49/70
Abstract: The present disclosure relates to an onshore lithium-recovering device for a lithium ion adsorption and desorption process including a supply unit for supplying lithium-containing water in which lithium is dissolved, a composite unit, a washing unit, a desorbing liquid unit, an extract liquid unit, a pressure adjusting unit, a discharge unit, and a control unit. Therefore, the lithium adsorption means is moved onshore so it is possible to significantly reduce the plant installation cost and the operating cost as compared to the lithium recovery process that operates the conventional offshore plant.
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公开(公告)号：US09546430B2
公开(公告)日：2017-01-17
申请号：US14785219
申请日：2014-04-14
Inventor： Kang-Sup Chung , Byoung-Gyu Kim , Tae Gong Ryu , Jung Ho Ryu , In-Su Park , Hye-Jin Hong , Kyoung Chul Lee
Abstract: The present invention relates to a lithium recovery device and recovery method. The lithium recovery device of the present invention includes: a first electrode; a second electrode; and a power supply device. In the lithium recovery device of the present invention, since lithium is attached to an adsorbent of the first electrode by applying a current to the first and second electrodes in a state in which the first and second electrodes are immersed in a lithium-containing fluid, the first electrode including a carrier made of a stainless steel material in a form of an iron mesh or perforated sheet and having a surface coated with the adsorbent containing a manganese oxide, and the second electrode facing the first electrode, it is possible to increase a size of the device and have excellent energy efficiency and economic feasibility.
Abstract translation: 本发明涉及一种锂回收装置及其回收方法。 本发明的锂回收装置包括：第一电极; 第二电极; 和电源装置。 在本发明的锂回收装置中，由于在第一和第二电极浸入含锂流体的状态下，通过在第一和第二电极上施加电流而将锂附着在第一电极的吸附剂上， 所述第一电极包括由铁网或穿孔片形式的不锈钢材料制成的载体，并且具有涂覆有含有氧化锰的吸附剂的表面，并且所述第二电极面对所述第一电极，可以增加 设备尺寸大，能源效率高，经济可行。
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Patent Agency Ranking
3.发明授权公开(公告)号：US11124859B2
公开(公告)日：2021-09-21
申请号：US16503698
申请日：2019-07-05
Inventor： Kang-Sup Chung , Byoung-Gyu Kim
IPC: C22B26/12 , B01D15/00 , C02F1/28 , C22B7/00 , B01J23/34 , C02F103/08 , C02F101/10 , C02F101/20 , B01J20/02
Abstract: The invention relates to a lithium adsorption-desorption apparatus including a plurality of reaction tanks arranged in a row; a guide rail disposed at an upper portion of the reaction tank; a movable driving unit coupled to a moving means that moves along the guide rail; and a reaction housing which is mounted to the driving unit, and can be vertically moved or rotated in a state in which the lithium adsorbent is fixed thereto, and after immersing in the reaction tank, accelerates adsorption or desorption of lithium, and after being lifted, discharges residual solution from the lithium adsorbent by rotation movement.
Therefore, the lithium adsorption desorption apparatus can fix a large amount of lithium adsorbent and immerse it in a lithium-containing solution to effectively adsorb lithium and then quickly desorb lithium in a desorption solution, and can efficiently wash the lithium adsorbent in a cleaning solution.-
公开(公告)号：US10273560B2
公开(公告)日：2019-04-30
申请号：US15097332
申请日：2016-04-13
Inventor： Jungho Ryu , Hye-Jin Hong , Byoung-Gyu Kim , In-Su Park , Taegong Ryu , Kang-Sup Chung
Abstract: Provided is a recovery method of useful resources in seawater and brine, and more particularly, a recovery method of useful resources in seawater and brine capable of improving adsorption efficiency and recovery efficiency of trace amounts of useful resources such as strontium, lithium, boron, or the like, present in brine at low cost by using a magnetic adsorbent composite and a solid-liquid separation process which uses magnetic force.
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5.发明申请ION-EXCHANGE MANGANESE OXIDE LITHIUM ADSORBENT USING POROUS STRUCTURE AND METHOD FOR PREPARING THE SAME 审中-公开使用多孔结构的离子交换锰氧化物吸附剂及其制备方法公开(公告)号：US20140087071A1
公开(公告)日：2014-03-27
申请号：US13873512
申请日：2013-04-30
Inventor： Kang-Sup Chung , In-Su Park , Hye-Jin Hong , Jung-Ho Ryu , Tae-Gong Ryu , ByounGyu Kim
IPC: B01J39/00
CPC classification number: B01J39/00 , B01J20/041 , B01J20/06 , B01J20/10 , B01J20/3204 , B01J20/3236 , B01J39/10 , C02F1/281 , C02F1/288
Abstract: The present invention relates to an ion-exchange manganese oxide lithium adsorbent using a porous structure and a method for preparing the same. The lithium adsorbent according to the present invention is highly dispersed on the surface of the porous structure, and thus it has excellent adsorption performance and physical stability and is easy to handle. Moreover, through the porous structure, the contact between a lithium-containing solution and the adsorbent is facilitated to maximize the adsorption capacity, thus making it possible to highly efficiently recover lithium ions from a solution containing a small amount of lithium ions.
Abstract translation: 本发明涉及使用多孔结构的离子交换锰氧化物锂吸附剂及其制备方法。 本发明的锂吸附剂高分散在多孔结构体的表面，因此具有优良的吸附性能和物理稳定性，易于处理。 此外，通过多孔结构，易于使含锂溶液和吸附剂之间的接触使吸附能力最大化，从而可以从含有少量锂离子的溶液中高效地回收锂离子。
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公开(公告)号：US10087083B2
公开(公告)日：2018-10-02
申请号：US15007778
申请日：2016-01-27
Inventor： Kang-Sup Chung , Byoung-Gyu Kim , Taegong Ryu , Jungho Ryu , In-Su Park , Hye-Jin Hong
IPC: C01D15/00 , B01J47/00 , C22B3/24 , C22B26/12 , B01J47/012 , B01J47/011 , B01J49/05 , B01J49/60 , B01J47/024 , C22B3/42
Abstract: Provided is an underwater holding-type lithium recovering apparatus 1000 including: an underwater holder 100 installed on an offshore sea bed; a lithium adsorbent 200 held in the underwater holder 100 and adsorbing lithium ions contained in seawater; a moving ship 300 installed with a cleaning tank 320 cleaning the lithium adsorbent 200 transferred from the underwater holder 100 and a desorbing tank 330 desorbing lithium ions adsorbed in the lithium adsorbent 200 transferred from the cleaning tank 320, and moved to a coastline when lithium ions of a reference value or more are filled in the desorbing tank 330; and a transfer pump 400 transferring lithium ions filled in the desorbing tank 330 to a reservoir 500 installed at the coastline.
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公开(公告)号：US09795943B2
公开(公告)日：2017-10-24
申请号：US15007735
申请日：2016-01-27
Inventor： Kang-Sup Chung , Byoung-Gyu Kim , Taegong Ryu , Jungho Ryu , In-Su Park , Hye-Jin Hong , Jae-chun Lee
CPC classification number: B01J20/3236 , B01J20/06 , B01J20/28016 , B01J20/3021 , B01J20/3078 , B01J20/321 , C23C24/04
Abstract: Provided are a lithium adsorbent prepared using an aerosol deposition method, including (a) synthesizing lithium manganese oxide powder, and (b) coating the lithium manganese oxide powder on a surface of a substrate by the aerosol deposition method, and a method of preparing the same. The lithium adsorbent is characterized in that the lithium manganese oxide powder may be directly coated on various substrates using the aerosol deposition method, thereby greatly reducing a decrease of a lithium recovery rate even after a long time has lapsed.Further, the lithium adsorbent having a large surface area prepared by the preparation method of the present invention is characterized by being easily handled, being selectively reacted with lithium ions, having a larger adsorption area, being physically and chemically stable, and being used reversibly.
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