国家/地区 中国（11） 世界知识产权组织（5） 欧洲专利局（EPO）（2） 韩国（2）
IPC部 C（17）
IPC大类 C02（17）
IPC小类 C02F（17） B01D（13） B01J（4）
C08J（3） C08L（3） B60K（2）
C01B（2） C08K（2）
IPC C02F001/40（17）
发明人 FEI F（2） LIU K（2） PUGH T（2）
YANG Y（2）
公开年 2021（9） 2022（5） 2023（3）
申请年 2021（17）
专利权人 G2O WATER TE.（2）

Preparing magnetically reduced graphene oxide-based composite material used in field of oil-water separation, involves providing graphene oxide material, mixing oxidized graphene material, trivalent iron salt, amine compound and dispersing solvent uniformly to form graphene dispersion.

SHEN L, WANG G, ZENG Z, XU Y

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

Preparing super-hydrophobic graphene/polyvinyl alcohol aerogel in separating water-in-oil emulsion, comprises adding polyvinyl alcohol and graphene oxide into deionized water, adding polyvinyl alcohol solution in graphene oxide suspension and obtaining graphene oxide/polyvinyl alcohol suspension.

LI L, HOU L, REN Z, LIN Y, YANG Y

Cage-type combined graphene sponge biological filler for water treatment, comprises shell, where one side of middle position of shell is fixedly connected with driving motor, and shell close to driving motor is rotatably connected.

WANG S, JIA Z

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