国家/地区 韩国（9）
IPC部 B（9）
IPC大类 B01（9）
IPC小类 B01D（9）
IPC B01D067/00（4） B01D071/02（4） C02F001/44（4）
C02F001/28（3） B01D061/02（2） B01D071/60（2）
B01J020/20（2） C02F001/40（2） C02F003/12（2）
C02F003/30（2）
发明人 CHA M（2） KIM S（2） KIM S Y（2）
PARK C（2） PARK C H（2）
公开年 2022（6） 2023（3）
申请年 2021（9）
专利权人 UNIV EWHA IN.（2）

Cation exchange membrane useful in electrodeionization device for ultrapure water production system comprises cation exchange resin, binder resin, and reduced graphene oxide.

KIM S K, JEONG H Y, MOON Y G, SON E J

Polymer cross-linked structure separator for conductive carbon separation membrane, has polymer cross-linked bonds that are formed between layers of conductive carbon separator having laminated structure.

CHO E S, LETHARGY

Method for re-extracting oil through water treatment of bilge wastewater comprises using graphene filter for purifying bilge wastewater, then compressing and adsorbing nano grade graphene on MB filter non-woven fabric with high heat.

HWANG J

Membrane bioreactor wastewater processing system comprises anoxic tank for removing nitrogen in wastewater, and coagulation tank injecting coagulant into supernatant water introduced from second space portion of anaerobic tank.

JEONG S, JOSUNGKUN, LEE C, LEE J, CHOI J W

Producing graphene-based separator by heat-treating graphene oxide to form nanoporous graphene comprising multiple pores, oxidizing with oxidizing agent to functionalize oxygen functional groups, and stacking functionalized graphene.

KIM D W, KANG J H, KIM I, CHOI D C, RYU S Y

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

Treatment of water involves performing first treatment on water to oxidize predetermined amount of organic contaminant, and electrochemically treating first treated water with electrochemical cell comprising cathode and anode.

DUKES S P, CHEN Y, GRIFFIS J, GU G Y

Sorbent useful in sorbent composition for removing perfluoroalkyl and polyfluoroalkyl substances e.g. perfluoroalkane sulfonic acid, perfluoroalkane sulfonamide or perfluoroalkyl acid from fluid, has iodine and molasses.

DISTEFANO R L, REBEKAEL D