国家/地区 中国（8）
IPC部 B（9）
IPC大类 B01（9）
IPC小类 C02F（9）
IPC C02F001/28（6） B01J020/30（5） C02F101/20（5）
C22B007/00（5） B01J020/20（4） C02F001/469（4）
C22B011/00（4） B01J020/28（3） C02F001/461（3）
B01D061/42（2） B01J020/26（2） C22B026/12（2）
C25C001/20（2）
发明人 WU Z（2） YU J（2）
公开年 2021（6） 2022（2）
申请年 2021（5）  2022（2） 
专利权人

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

Method for pore-forming of manganese-based ion sieve electrically controlled lithium extraction membrane electrode, comprises e.g. mixing manganese ion sieve, binder, conductive agent and organic solvent to obtain membrane casting solution and adding organic pore-forming agent.

YU J, WANG Y, GU S

Preparing carbon-based lithium adsorption electrode for liquid lithium resource extraction comprises adding the lithium ion sieve adsorption powder, conductive filler and carbon precursor into polymer solution, mixing, coating on electrode supporting material and drying.

WU Z, NIE G, YE X, LIU Z, LUO Q, LIU H, LI J, DONG M

Treating gold smelting wastewater by quality comprises e.g. mixing impurity-removing and reduction waste water in acid waste water, supplementing treatment of electrolyzed water in alkaline wastewater, returning fresh water to production system, and using desalinated water as supplementary water.

QIU J, LAI B, JI C, WU Z, WU W, SUN G, LIN F

Preparation of Mxene membrane adsorption material based on polyamidoxime by treating raw materials with hydrogen fluoride, soaking in dimethylsulfoxide solution, soaking film in polyamidoxime solution, vacuum filtering, and drying.

WUMING B, YE H, LIU S, MA L, YAO J

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

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

Fluid capacitive deionization and device for recovering trace rare precious metals from inorganic wastewater and recycling water, comprises a selective positive ion exchange sulfide membrane graphene coated porous carbon material.

WANG H P, CHENG H C