国家/地区 中国（12）
IPC部 B（13）
IPC大类 B01（13）
IPC小类 C02F（13） B01D（11） B01J（2）
IPC C02F103/08（13）
发明人
公开年 2018（13）
申请年 2018（8）  2017（3）  2016（2） 
专利权人

Preparation of hydrophobic oil-absorbing modified sponge composite material involves reacting polyvinyl alcohol hollow microspheres, aqueous graphene oxide solution, tetraethyl orthosilicate, sodium polyacrylate and sponge.

LI Z

Filter membrane used for sewage treatment or seawater desalination for filtration performance device and water flux device, comprises lamellar membrane graphene oxide/ethylene glycol composite filter membrane.

HUANG L, WANG Y, ZHANG Y, TANG J, LI H

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

Preparation of graphene desalination film, by subjecting base film to interfacial polymerization to form polyamide functional layer in organic phase of propylenediamine aqueous phase and cyclopentane chloride, washing and drying.

Preparation of graphene oxide film used for, e.g. sewage treatment by spraying and atomizing graphene oxide dispersion to obtain nano- or micro-aerogel, and stacking on surface of base film under high voltage electric field condition.

HUANG Q

Synthesis of trimanganese tetroxide /graphene composite adsorbent used for e.g. uranium-containing wastewater treatment, involves mixing graphite powder, sulfuric acid and potassium permanganate, adjusting pH, evaporating, washing.

LI Y, REN Y, SHAO L, TANG H, CAI D

Nano composite filter membrane useful for separating salt and water e.g. alumina nanoceramic membrane and graphene layer disposed on at least one surface of the alumina nanoceramic membrane.

TONG H

Preparation of graphene sea water desalting film involves preparing graphite flakes by Hummers method, carrying out ultrasonic treatment, oxidizing graphene solution, adding graphene oxide, separating, washing, and centrifuging.

CHE C

Porous graphene sea water-desalting composite film used in sea water desalting device, has support plate detachably fixed on housing, and support frame fixed on support plate to support porous graphene of slope roof structure.

LIN R

Mixed matrix membrane comprises e.g. polyimide and graphene oxide doped in polyimide, surface and internal structure of mixed matrix film are different and surface of mixed matrix membrane comprises dense layer.

HUANG A, FENG B