国家/地区
IPC部 C（2）
IPC大类 C22（2）
IPC小类 C22B（2）
IPC C22B059/00（2）
发明人
公开年 2021（2）
申请年 2021（2） 
专利权人

Recovering elemental rare earth metal used in e.g. magnet, involves placing rare earth-containing material comprising rare earth metal in reaction solution containing reducing agent, reducing rare earth metal to form cations of reducing agent, and reducing cations of reducing agent.

BAEK D L, FOX R V, CASE M E

Preparing three-dimensional graphene oxide composite material useful in recovery of rare earth ions in aqueous solutions, comprises e.g. preparing graphene oxide solution, adding 2-amino benzothiazole and performing self-assembling reaction.

YU J, LIAO C, LIU Y, CHEN X