国家/地区 韩国（9）
IPC部 B（9）
IPC大类 B01（9）
IPC小类 B01D（9）
IPC B01D061/02（9）
发明人 KIM S（3） CHA M（2） KIM I S（2）
KIM S Y（2） PARK C（2） PARK C H（2）
公开年 2017（2） 2022（2）
申请年 2016（3）  2021（2） 
专利权人 GWANGJU INST.（2） 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

Producing polyamide complex membrane using a sulfur-doped nano-carbon material comprises preparing carbon composition by homogeneously mixing a nano-carbon material with sulfur, heating carbon composition, homogenizing, and drying.

SONG P, KIM N, SUK M H, JUNG H W, KIM J, LEE J S

Hollow fiber membrane useful as e.g. microfiltration membrane, comprises a hollow polymer inner film and a polymer outer film formed outside the polymer inner film as effluent of dope solution containing nano-sized graphene oxide.

KIM I S, JANG M H, BANG Y, YOUHYEWON, SOL K Y

Membrane used for e.g. dehydrating unprocessed fluid, comprises porous substrate, and graphene oxide layer comprising optionally substituted crosslinked graphene oxide comprising graphene oxide and crosslinkage which is diaminobenzene.

ZHENG S, KITAHARA I, KOBUKE M, WANG P, BARTELS C R, YAMASHIRO Y, HIROSE M, NOUMI S, LIN W, OOU M

Graphene-based membrane used as e.g. reverse osmosis membrane comprises monolayer graphene containing defects, deposition layer disposed on defects, and nanopores surrounded by deposition layer.

KIM I S, YANG E, SONG J, KIM C, KIIM I S, YANG E T, SONG J H, KIM C M

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

Formation of membrane for e.g. separating water from water/oil emulsion, involves dispersing graphene oxide nanoparticles in solvent, depositing graphene oxide nanoparticles on support, and reducing obtained graphene oxide membrane.

YU M

Deionizing fluid carrying unwanted ions involves applying pressurized fluid to first surface of perforated graphene in cylindrical form, so that fluid flows to second side of the sheet in preference to ions; and collecting the fluid.

STETSON J B, MERCURIO J, ROSENWINKEL A, BEDWORTH P V, FLEMING S P, WESTMAN A L