国家/地区 中国（3）
IPC部 B（3）
IPC大类 C22（3） B01（2） C25（2）
IPC小类 C22B（3）
IPC C22B007/00（3）
发明人
公开年 2021（2）
申请年 2020（3）
专利权人

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

Recycling metal in waste circuit board comprises e.g. gradually heating and separating according to metal melting point to obtain gold, palladium, platinum and rhodium powder after placing solid mixture in flexible carbon felt electrolysis.

LAI Z, ZHONG Z, WANG J, ZHANG X, ZHONG Y, LAI Y, CHEN L

Nacreous structure graphene oxide flexible film useful for recovering rhenium, which is graphene in form of sheet, interspersing 1,6-bis(3-vinylimidazolium chloride) hexane and tetrakis(3-mercaptopropionic acid) pentaerythritol ester.

WANG Y, WANG K, LI D, KANG B, CUI J, YU H, LOU Z, XIONG Y