国家/地区 中国（3）
IPC部 B（4）
IPC大类 B01（4）
IPC小类 B01D（4）
IPC C02F001/44（4）
发明人
公开年 2022（2）
申请年 2021（2） 
专利权人

Ceramic nanofiltration membrane comprises graphene oxide and polyethyleneimine are alternately coated on surface of ceramic nanofiltration membrane, where graphene oxide and polyethyleneimine allow carboxyl group and amine group to form covalent bond.

KOOK H, CHA M, KIM S, LEE M, PARK C, PARK C H, LEEMINJOO, KIM S Y

Method for preparing negative pollution-resistant ceramic film used in e.g. drinking water purification, involves mixing dopamine and negatively-charged nano-additives, stirring, filtering, vacuum drying, kneading ceramic membrane blend and subjecting mud material to gradient heating and sintering.

XU Y, WANG K, CHENG X, LI J, ZHANG Y, MA J

Tubular ceramic membrane used for treating industrial sewage, comprises yellow mud, fly ash, pore-forming agent, methyl cellulose, dispersant, lubricant, graphene powder and water.

ZHOU H

Double-metal hydroxide ceramic membrane used for seawater desalination, comprises porous ceramic substrate having film coating including graphene, magnesium salt, aluminum salt, surfactant, silane coupling agent, organic solvent, and water.

CHEN Q, ZENG J