国家/地区 中国（3） 世界知识产权组织（2）
IPC部 C（4）
IPC大类 C22（4） B01（3） C25（2）
IPC小类 C22B（4）
IPC C22B003/24（4）
发明人
公开年 2021（4）
申请年 2020（2）  2021（2） 
专利权人

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