国家/地区 中国（14）
IPC部 B（14）
IPC大类 B01（14） C02（14）
IPC小类 B01D（14）
IPC C02F103/08（14）
发明人 UNANNOUNCED I（3） LIU G（2） ZHANG Q（2）
公开年 2022（14）
申请年 2022（10）  2021（4） 
专利权人 XIXI TECHNOL.（3）

Preparing water purifying device filter element based on multilayer graphene oxide continuous film, comprises e.g. annealing metal sheet, introducing carbon-containing gas into metal sheet, reacting, stop feeding carbon-containing gas, and cooling.

UNANNOUNCED I

Preparing water purifying device filter core based on multilayer oxidized graphene continuous film used in desalination comprises placing multi-layer graphene oxide continuous film between two layers of polypropylene cotton or filter materials, non-woven fabrics or stainless steel filter screens.

UNANNOUNCED I

Preparing water purification device filter element based on multilayer graphene continuous membrane, comprises sandwiching multi-layer graphene continuous film between two layers of pp cotton (or non-woven fabric), and placing between two layers of stainless steel filter screens.

UNANNOUNCED I

Preparing reduced graphene oxide layered film comprises e. g. mixing sodium polystyrene sulfonate and multiwall carbon nano-tube in distilled water according to predetermined proportion, stirring and ultrasonically dispersing uniformly to obtain liquid, and centrifuging uniform dispersion liquid.

YE H, ZHOU W, ZANG S, WU Y, YUAN Z

Preparation of film useful for photothermal film distillation device, involves e.g. uniformly dripping Tris solution containing dopamine hydrochloride on hydrophobic polyvinylidene fluoride film, placing in vacuum suction filter bottle, adding graphene oxide-thiourea solution, and suction-filtering.

WANG Y, LIU H, HU Z, LI W

Graphene oxide film useful for film distillation desalting, comprises supporting layer and selective separation layer composed of multi-layer graphene oxide nano sheet distributed with metal-organic frame nano particles and further covered with hydrophobic decorative layer.

JIN W, MAO Y, LIU G

Bismuth-based photo-thermal conversion nanofiber material used for seawater desalination, wastewater treatment, and rapid evaporation of solvents, comprises ferric oxide-graphene sulfide nanoparticle, and polyvinylpyrrolidone as substrate.

FAN T, ZHANG Y, FENG Z, YANG W

Graphite alkenyl sea water desalting film comprises supporting layer and composite structure unit comprising oxidation graphene layer and porous graphene layer.

CHEN Y, WU W

Preparing modified separation membrane of oxidation graphene based on electrostatic spray in film distillation industry development, involves mixing oxidized graphene, plant polyphenol, dispersant, ultrasonically dispersing, spraying, and cross-linking hydrophobic base film.

HAN M, MENG F, YU Z, ZHAO S

Two-sided nano filtration membrane with positive and negative electrical heterogeneity structure useful as magnesium-lithium separation membrane for seawater desalination, comprises base film and upper and lower nano filtration surfaces deposited and assembled at one side of base film.

YE Q, WANG R, ZHU X