国家/地区 中国（6） 美国（3） 世界知识产权组织（2）
IPC部 B（10）
IPC大类 B01（10）
IPC小类 B01D（10）
IPC B01D067/00（10）
发明人
公开年 2021（10）
申请年 2021（6）  2020（3） 
专利权人

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

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 electrospinning seawater desalination membrane with self-floating structure comprises dissolving polystyrene and N, N-dimethyl formamide, adding e.g. polyacrylonitrile, stirring and electrostatic spinning polyacrylonitrile electrostatic spinning solution of doped carbon material.

YOU Q, XU C, JIANG Z, TANG H, GONG T

Preparing disk-tube type graphene oxide-oriented separation membrane assembly used in domestic sewage treatment, industrial sewage treatment and seawater desalination, involves opposing two microfiltration membranes to each other.

REN R, HAN J, TAN M, WANG A

Preparing a multifunctional load-type nano multilayer composite film for seawater desalination, sewage purification or oil-water separation, involves applying first mixed reaction system to the surface of the substrate.

ZHU L, ZENG Z, SONG H, WANG G

Fluid treatment system for treating completion fluid, fracturing fluid and slop water, has fluid stream whose first portion that is comprises water when second outlet is provided on second side of first membrane opposite first side.

JAMISON D E, SHUMWAY W W

Multi-layered membrane useful for separating many ions or molecules in a fluid stream and in device for osmotic power generation, comprises a top layer, a bottom layer, and a spacer layer.

GARAJ S, SPINA M

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

Membrane for treating feed water, comprises interfacially formed polyamide layer on microporous support film, and graphene oxide quantum dots attached to surface of polyamide layer having preset permeate flux and salt rejection performance.

SUN P B, LI J C, KOHLER L