国家/地区 中国（7） 世界知识产权组织（5） 欧洲专利局（EPO）（2） 韩国（2）
IPC部 B（13）
IPC大类 B01（13）
IPC小类 B01D（13）
IPC C02F001/40（13）
发明人 FEI F（2） LIU K（2） PUGH T（2）
公开年 2021（7） 2022（4） 2023（2）
申请年 2021（13）
专利权人 G2O WATER TE.（2）

Nanofilter used for selectively separating oil contaminants e.g. crude oil, diesel, engine oil and petrol oil from water, comprises hydrophobic nanoparticles, amorphous carbon, and support comprising polymeric sponge or fabric.

KHODAPARAST B, KHOSROPOUR A

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

Preparing ultra-hydrophilic-underwater ultra-oleophobic graphene hydrogel/stainless steel mesh composite oil-water separation membrane, comprises immersing stainless steel mesh in detergent water, absolute ethanol and deionized water, placing in oven for in-situ polymerization and freeze-drying.

DAI Z, NI H, LI R, TIAN N

Graphene skid device for quick processing of oil and gas water, comprises gas-liquid pre-separating tank, ink oil water super-gravity separating coalescence device and graphene sewage fine processing device.

XUE D, ZHANG J, XU M, HE J, GAO J, YANG Y, ZHOU Z

Manufacture of water purification membrane for purifying contaminated water e.g. wastewater, involves electrospinning polymers into nanofibers, crosslinking nanofibers to form membrane, oxidizing pyrrole monomers, depositing nanoparticles on membrane and washing.

XING M, LIU Y, CHEN S

Preparation method of graphene-based sponge used for treating sewage, involves performing ultrasonic treatment on the mixture of the graphene oxide dispersion and polyurethane sponge, heating.

WU J, LI C, SONG S, HUO S, LI K, WANG Y

Membrane for pressure-assisted separation of oil and water used in drainage device and fuel tank, comprises at least partially crosslinked active layer arranged on portion(s) of porous substrate layer, and comprising superhydrophilic agent.

LIU K, FEI F, PUGH T

Separation membrane for oil and water separation in fuel tanks, comprises porous substrate layer and active layer comprising hydrophilic agent and superhydrophilic agents.

LIU K, FEI F, PUGH T

Preparing graphene oxide/carbon nanotube composite filter membrane for oil-water separation comprises e.g. mixing graphene oxide and carbon nanotubes with distilled water, preparing graphene oxide and multi-walled carbon nanotubes mixed solution and designing vacuum filtration device.

LI W, YUAN R, CHEN W