国家/地区 中国（13） 世界知识产权组织（3）
IPC部 C（15）
IPC大类 C22（15）
IPC小类 C22B（15）
IPC C22B003/24（15）
发明人 ZHANG Y（3）
公开年 2021（4） 2016（2） 2022（2） 2023（2）
申请年 2022（4）  2020（3）  2016（2）  2018（2）  2021（2） 
专利权人

Selectively extracting lithium by extracting and leaching resin comprises e.g. mixing porous material, trioctylphosphine oxide and organic solvent, carrying out lithium-ion adsorption with trioctylphosphine oxide extraction resin and lithium-containing solution, and desorbing extraction resin.

GU X, GUO W, SUN S

Preparing graphene oxide functionalized metal organic framework useful for measuring concentration of gallium ions, adding zirconium tetrachloride and 2-amino-1,4-phthalic acid, placing in hydrothermal reaction kettle, washing with N,N-dimethylformamide and absolute ethanol, and centrifuging.

SHI J, FANG H, XU S, ZHOU C, LI W

Preparing ion imprinted material useful for adsorbing lithium-ion, comprises e.g. grafting amino groups on graphene oxide silica gel, performing double bond modification, placing phosphate-based graphene oxide silica gel in lithium ion solution to graft lithium ions, and polymerizing.

ZHENG Y, XING E, DING T, ZHENG M

Composite material useful for extracting niobium, preferably carbon-based polyaniline composite material prepared by in-situ polymerization and deposition of polyaniline in pores of carbon material by using carbon material as porous matrix.

LIN Z, ZHANG C, LIU X, TIAN Z, DONG F, JIN Z, REN H, SU W

Preparation of ordered sheet layer polyamidoxime oxidation graphene composite material used for extracting uranium from seawater, involves mixing polyamidoxime alkaline solution and graphene oxide aqueous solution, freezing and drying.

CHEN M, WANG N, ZHANG R, LIU T

Recovering metal from metal-containing material by leaching, by treating aqueous solution with external energy, reacting leaching agent precursor with formed hydrogen peroxide, and reacting metal-containing material with leaching solution.

RINNE T

Preparation of lithium ion sieve adsorbent particles for extracting liquid lithium resources, involves mixing adsorption powder and polymer, soaking mixture in crosslinking agent, drying, and soaking dried particles in crosslinking agent.

WU Z, GE F, HUO Y, QIAN Z, LIU Z, LI J, DONG M

Graphene composition useful for adsorbing gold ion in gold-containing solution comprises thiourea graphene zeolite.

HSI H, CHEN Y, CHEN T, TSAI C, XI X

Preparing chitosan-based gadolinium ion imprinted material, comprises e.g. taking carbon nano-tube as carrier material, performing surface amination modification, crosslinking with imprinted chitosan, and reacting with graphene oxide.

ZHENG X, BIAN T, ZHANG Y, LI Z

Polyamine-functionalized three-dimensional graphene-based aerogel for separating thorium and rare earth elements, is obtained by hydrothermally reacting graphene oxide and polyamine reducing agent.

BAI R, ZHANG Y, YANG F