国家/地区 韩国（7）
IPC部 B（7）
IPC大类 B01（7）
IPC小类 B01D（7）
IPC B01D067/00（4） B01D071/02（4） C02F001/44（4）
B01D061/02（2） B01J020/28（2） B01J020/30（2）
C02F001/28（2） C02F003/12（2） C02F003/30（2）
发明人 CHA M（2） KIM S（2） KIM S Y（2）
LEE J（2） PARK C（2） PARK C H（2）
公开年 2022（7）
申请年 2021（6） 
专利权人 UNIV EWHA IN.（2）

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

Method for manufacturing an inverse opal structure membrane filter for water purification system, involves preparing a mixed solution by mixing nanoparticle dispersion solution and a sacrificial particle dispersion solution; applying the mixed solution onto a substrate to dry it and heat-treating.

SUH S, CHOI J, KIM J, LEE J, CHOI J H, LEE J M, KIM H J, HAN G S, JUNG H S, JEONG H, HAN G, SANG L J, SHIN L H, SEO S

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