国家/地区 韩国（3）
IPC部 B（3） C（3）
IPC大类 B01（3）
IPC小类 B01D（3）
IPC B01D061/02（3）
发明人 KIM S（3）
公开年 2022（2）
申请年 2021（2） 
专利权人 UNIV EWHA IN.（2）

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

Semiconductor process wastewater treatment system used for removing ionic substances, has processing unit configured to receive semiconductor process wastewater and treat the semiconductor process wastewater through many operation and membrane filtration tank arranged separately from processing unit.

CHA M, KIM S, PARK C, AHN S, SEHYUK A, PARK C H, KIM S Y

Polyacrylonitrile/chitosan composite nanofiltration membrane used in spirally wound type membrane module for water treatment system, has polyacrylonitrile support and chitosan coating layer modified with graphene oxide.

BANO S, MAHMOOD A, KIM S, LEE K H, SAIRA B, ASIF M, SEONG J K, KEW H L