国家/地区 韩国（7）
IPC部 B（7）
IPC大类 B01（7）
IPC小类 B01D（7）
IPC B01D067/00（5） B01D071/02（5） C02F001/44（4）
B01D061/02（3） B01D069/02（3） B01D069/12（3）
发明人 KIM S（7）
公开年 2016（3） 2022（2）
申请年 2016（2）  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

Graphene filter module for removing contaminants like industrial waste and sewage, and heavy metals from raw water of e.g. rivers and lakes, filters incoming water through outer membrane layer, graphene filter layer and inner membrane layer.

LEE J, KIM S, LEE M, HAN S, LEE J H, KIM S H, HAN S Y, JUNGHOON L, SANGHO K, SIN L M, SEONGEUNPARK, YOON S, LI Z, JIN X, LI M, HAN C

Graphene-polymer nanofiber membrane useful in flow system for detecting cationic dye and removing contaminants, comprises porous membrane having several pores formed by cross-linking polymer contained in graphene-polymer nanofiber.

YOON H, IM K, KIM S, KIM Y

Capacitive deionization apparatus has graphene or cation exchange resin and anion exchange resin mixed together to provide cation and anion exchange resins in flow channel between pair of electrodes.

CHOI H S, CHOI S H, CHOI W, HWANG S H, KIM S, CHOI H, CHOI W J, KIM S J

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

Graphene membrane film used in system for purifying solvent, comprises several plate-shaped laminated graphene flakes containing physical bond or chemical bond for connecting pair of layers, and has preset thickness and oxygen content.

LEE S H, KIM S J, SEO D K, KIM Y H, GEONHUI L, LEE S, KIM S