国家/地区 中国（7）
IPC部 B（9）
IPC大类 C02（9）
IPC小类 C02F（9） D04H（9） B01D（5）
D01D（4） D01F（4） B01J（3）
IPC D04H001/728（9）
发明人
公开年 2021（4） 2018（2） 2022（2）
申请年 2021（4） 
专利权人

Photothermal conversion material used in photothermal conversion material complex for sewage treatment or seawater desalination, has composite including ultraviolet light and infrared light absorbing material is selected from group consisting of tungsten oxide, titanium oxide, copper sulfide.

ASTER A T, NASEEM S, WU C, TESSEMA A A

Preparing amino-rich polyacrylonitrile-based nanocomposite fiber film used for removing and recycling gold, involves mixing N,N dimethylformamide dispersion of graphene oxide and the N,N-dimethylformamide solution of hyperbranched polyethyleneimine and performing amidation reaction.

ZHONG X, MENG W, YANG H, SHI X, LI X, LI T, MA 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 double-layer nano fiber film for water-oil separation, involves obtaining first layer of electrostatic spinning solution by using chitosan, obtaining second layer of spinning solution followed by electrostatic spinning.

SHAO W, ZHU Z, LIU J, HE S, JIANG L

Electrospinning fiber membrane for enrichment and separation of heavy metal ions in wastewater, comprises polythiocarbonate-containing polymer including polythiocarbonate homopolymer and polythiocarbonate-containing copolymer.

ZHANG X, YUE X, CAO X

Preparing a composite fiber membrane used for heavy metal sewage treatment, involves adding graphene oxide to deionized water, ultrasonically dispersing uniformly to obtain graphene oxide dispersion, and adding the dopamine hydrochloride.

CHEN Q, SI W, ZENG J, BAI T

Producing graphene oxide composite electro-spinning nanofiber separation membrane for forward osmosis comprises dispersing graphene oxide in dimethylformamide, stirring dispersion with polyvinylidene fluoride, electro-spinning, and drying.

KIM I S, MOHAMED, SOL K Y

Preparation of seawater desalination graphene fiber filter involves mixing solvent, graphene oxide, and fiber matrix material, dispersing, stirring, spinning, depositing graphene fibers on meltblown nonwoven fabric, and drying.

YANG X, WANG F

Polyvinyl alcohol/graphene oxide composite nanofiber membrane preparation involves using graphite powder, potassium permanganate and concentrated sulfuric acid as main raw materials, and then preparing graphene oxide.

QU C, ZHANG Y, ZHU H