国家/地区 中国（6）
IPC部 B（6）
IPC大类 B01（6） C22（6） C02（3）
IPC小类 B01J（6）
IPC C22B007/00（6）
发明人
公开年 2022（2） 2023（2）
申请年 2020（2）  2022（2） 
专利权人

Recycling nickel cobalt catalyst comprises soaking waste catalyst with nickel and cobalt in sulfuric acid, adding chitosan-graphene porous adsorption material, adsorbing amine, heating, adsorbing nickel-cobalt ions, replacing cobalt ions adsorbed by nickel ions, and separating nickel-cobalt ions.

ZHANG J, XU S, YANG Z, ZHOU S, XU Y

Adsorbent useful for recycling noble metal, comprises nitrogen-doped graphene-silicon dioxide hybrid material, where the nitrogen-doped graphene- silicon dioxide hybrid material includes nitrogen doped-silicon dioxide graphene material.

ZHANG L, LIU J

Preparing amino-rich polyacrylonitrile-based nanocomposite fiber film used for removing and recycling gold, involves mixing N,N dimethylformamide dispersion of graphene oxide and the N,N-dimethylformamide solution of hyperbranched polyethyleneimine and performing amidation reaction.

ZHONG X, MENG W, YANG H, SHI X, LI X, LI T, MA Y

Preparing MXene/GO/NbFeB hydrogel used as adsorption-reducing agent, involves forming MXene aqueous solution in aqueous solution, adding graphene oxide into MXene aqueous solution to obtain mixed solution, which further ultrasonically mixed and placed mixture in water bath for multiple hours.

REN J, MA J

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

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