国家/地区 中国（54）
IPC部 B（54）
IPC大类 B01（54） C02（54） D01（4）
C01（3） D04（3） C08（2）
IPC小类 B01D（54）
IPC C02F001/44（54）
发明人 LI S（4） ZHANG X（4） CHEN G（3）
JIANG Z（3） LI X（3） LIU X（3）
LIU Y（3） WANG Y（3） XIE H（3）
YAO H（3） ZHANG H（3） ZHANG J（3）
ZHANG R（3） ZHOU H（3） CHEN K（2）
公开年 2021（54）
申请年 2021（32）  2020（19）  2019（3） 
专利权人 UNIV TIANJIN（3） BEIJING INST.（2） CHINA PETROL.（2） HANGZHOU NAN.（2）
SHANGHAI ADV.（2） SHANGHAI INS.（2） SICHUAN HENG.（2） UNIV XIAN TE.（2）

Large area graphene-based seawater desalination film comprises support layer and composite interlayer structural unit, where composite interlayer structural unit is sequentially provided with porous graphene layer, graphene oxide layer and porous graphene layer from bottom to top.

QING F, HOU Y, LI X

Preparation of shaped hollow fiber ultrafiltration membrane used for treating coal chemical wastewater includes mixing organic solvent, polyvinylidene chloride resin, polymer pore forming agent, monolayer graphene oxide solution and additive to obtain casting solution.

WANG Y, RUI Y, LIU W, YANG S

Preparing composite film for photocatalysis-photothermal film distillation comprises dissolving cerium nitrate and urea in distilled water, introducing polyvinylidene fluoride, and electrospunning spinning solution by electrospinning technology.

SHI J, HU W, HUANG Y, JU J, WANG C, LIU M, KANG W

Preparing multilayer polytetrafluoroethylene hollow fiber film comprises preparing polytetrafluoroethylene material, pressing into blank, extruding, stretching and sintering the hollow pipe, dipping the film in coating dipping liquid, and sintering at low temperature.

CHEN W

Large-scale preparation of graphene oxide-tannic acid two-dimensional film used for e.g. nanofiltration of pollutants in water, involves preparing graphene oxide-tannic acid mixed solution, scraping graphene oxide-tannic acid mixed solution on base film, and immersing in metal ion solution.

ZHOU Z, WANG L, YE J, DAI J, ZHANG R

Preparing composite forward osmosis membrane for e.g. seawater desalination, by soaking electrospun nanofiber supporting layer with intermediate layer in calcium chloride solution, washing, soaking in sodium carbonate solution, washing and preparing polyamide selective separation layer.

LIU H, YU L, CHEN D, YU Y

Preparing MXene-reduced porous graphene oxide (r-HGO) composite membrane with high flux and high removal rate involves adding graphite to mixed solution of sodium nitrate and concentrated sulfuric acid, and stirring.

LIU X, SUN K, GUO S, LIU T

Low energy consumption film distillation system used for sewage treatment, seawater and brackish water desalination, comprises feeding tank, water producing tank, and hollow fiber membrane group.

WANG K, SU J, JI C

Removing radionuclides in solution by using carbon-based nanofiltration membrane by using carbon-based nanofiltration membrane to filter initial radioactive solution comprising radionuclides containing radioactive cobalt, radioactive nickel, and radioactive zinc.

LIAO Y, LU J, YAO H, LIU G, CAO L, XIA X, ZHOU F

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