国家/地区 中国（2） 韩国（2）
IPC部 C（4）
IPC大类 C02（4）
IPC小类 C02F（4） B01J（2）
IPC C02F001/62（4）
发明人
公开年 2022（2）
申请年 2020（4）
专利权人

Processing of graphene waste liquid involves adding organic solvent to graphene waste liquid comprising manganese ions, potassium ions and sulfate ions, leaving still to generate white precipitate, and filtering to obtain clear filtrate.

ZHENG T, ZHANG M, MAO O, YE Z, ZHANG Y, ZUO B

Preparing sponge-type adsorption medium for treating heavy metal-contaminated water comprises supporting sponge including amine group on surface of carboxylated graphene oxide aqueous solution, and drying coat carboxylated oxide on sponge.

YANG J K, CHANG Y, JANG M, KODURU J R, LINGAMDINNE L P, CHOI Y R, CHOI J S, KIM D S

Composition for removing arsenic comprises metal-organic frameworks and porous carbon coated on metal-organic frameworks.

CHOI J Y, SPANDI K, AHN Y T, WON L D

Preparing graphene-type carbonized nitrogen-loaded nano-zero-valent iron composite material for removing heavy metal lead ions, involves dispersing graphitic carbon nitride in ferric chloride, dripping sodium borohydride, and centrifuging.

LING L, TANG C