国家/地区 韩国（4）
IPC部 B（4）
IPC大类 B01（4）
IPC小类 B01D（4）
IPC B01D071/02（3） B01D039/20（2） B01D067/00（2）
C02F001/00（2）
发明人 LEE M（4）
公开年
申请年
专利权人 STANDARD GRA.（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

Membrane structure of flat membrane or hollow fiber membrane form used for water treatment processing apparatus comprises a carbon nanomaterial and sodium (Na) super ionic conductor (NASICON)-series ceramic particles which are interwisted.

KANG S, PARK J, LEE M, SEONG P, YOUNG L M

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

Filter useful in system for purifying water, comprises reduced graphene oxide layer.

LEE J, KIM G, LEE W, LEE M, LEE J H, KIM G S, LEE W J, LEE M S