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.