国家/地区 韩国（15）
IPC部 C（15）
IPC大类 C02（15）
IPC小类 C02F（15） B01D（7） B01J（6）
C01B（2）
IPC B01D067/00（4） B01D071/02（4） B01J020/30（4）
C02F001/28（4） C02F001/44（4） B01J020/28（3）
C02F001/461（3） C02F001/72（3） B01D061/02（2）
B01J020/32（2） B01J021/18（2） B01J035/00（2）
C02F001/32（2） C02F001/58（2） C02F001/62（2）
发明人 CHA M（2） CHANG Y（2） CHOI J S（2）
CHOI Y R（2） KIM S（2） KIM S Y（2）
KODURU J R（2） LEE J（2） LINGAMDINNE L P（2）
PARK C（2） PARK C H（2） YANG J K（2）
公开年 2022（15）
申请年 2021（11）  2020（3） 
专利权人 UNIV EWHA IN.（2） UNIV KWANGWO.（2）

Visible light-sensitive photocatalyst useful in composition for removing organic carbon in wastewater, comprises core comprising bismuth tungstate and shell containing nitrogen-doped graphene oxide quantum dots and cyanide nitrogen.

HEO J, TRUE W H B

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

Structure useful for producing high-purity methane, comprises conductive carbon nanotube structure, and iron oxide bonded to surface of carbon nanotube structure.

KANG S, SEUNGYOUBHAN, KANG J W, YANG S M

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 silver-coated carbon electrode, comprises e.g. immersing carbon powder in solution containing silver ions, mixing, adding base solution into mixed solution, filtering, heating and drying filtrate, and producing electrode.

YOON H, MIN T, LIM S I, OH M S, KIM Y N

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

Photocatalyst for use as denitrification catalyst for removing nitrate ion, and processing water, comprises titanium dioxide particle comprising titanium dioxide, carbon material located on all or portion of surface of titanium dioxide particle and comprising graphene, reduced graphene oxide.

LEE S, CHOI W, CHOIWEONYONG, BI L S

Method for manufacturing automatic dehydrator, involves preparing titanium plate of electrode portion as drum shell, washing and heat-treating electrode portion, and coating electrode portion with wear-resistant material and protective film.

SEONG K K

Producing sponge-type sorbent medium useful in performing sorption removal of organic and oily contaminants, comprises e.g. ultrasonically cleaning, drying sponge, immersing in graphene solution, squeezing and heat-treating.

KODURU J R, CHANG Y, YANG J K, CHOI J S, LIM S H, LINGAMDINNE L P, CHOI Y R

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