公开(公告)号：US09546430B2

公开(公告)日：2017-01-17

申请号：US14785219

申请日：2014-04-14

Applicant: Korea Institute of Geoscience and Mineral Resources

Inventor： Kang-Sup Chung ,  Byoung-Gyu Kim ,  Tae Gong Ryu ,  Jung Ho Ryu ,  In-Su Park ,  Hye-Jin Hong ,  Kyoung Chul Lee

IPC: C25C1/02 ,  C25C7/02 ,  C25C1/22

CPC classification number: C25C1/02 ,  C25C1/22 ,  C25C7/02

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。

公开(公告)号：US11124859B2

公开(公告)日：2021-09-21

申请号：US16503698

申请日：2019-07-05

Applicant: Korea Institute Of Geoscience And Mineral Resources

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

Applicant: KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCES

Inventor： Jungho Ryu ,  Hye-Jin Hong ,  Byoung-Gyu Kim ,  In-Su Park ,  Taegong Ryu ,  Kang-Sup Chung

IPC: C22B7/00 ,  C22B26/20 ,  C22B26/12 ,  B01J20/02 ,  B01J20/06 ,  B01J20/20 ,  B01J20/28 ,  C02F1/28

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.

公开(公告)号：US10087083B2

公开(公告)日：2018-10-02

申请号：US15007778

申请日：2016-01-27

Applicant: KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCES

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.

公开(公告)号：US09795943B2

公开(公告)日：2017-10-24

申请号：US15007735

申请日：2016-01-27

Applicant: KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCES

Inventor： Kang-Sup Chung ,  Byoung-Gyu Kim ,  Taegong Ryu ,  Jungho Ryu ,  In-Su Park ,  Hye-Jin Hong ,  Jae-chun Lee

IPC: B01J20/32 ,  B01J20/06 ,  B01J20/28 ,  B01J20/30 ,  C23C24/04

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.