国家/地区 中国（13）
IPC部 B（13）
IPC大类 B01（13） C02（8） C01（2）
C08（2）
IPC小类 B01D（13）
IPC B01D067/00（4） C02F001/28（4） B01D069/12（3）
C02F001/44（3） C02F101/20（3） C02F101/30（3）
B01D039/20（2） B01D053/86（2） C02F001/00（2）
发明人 ZHANG J（3） BI Y（2） DU J（2）
LIU M（2） WANG X（2） WEI S（2）
ZHANG K（2）
公开年 2021（13）
申请年 2019（13）
专利权人 CHINA PETROL.（3） NUCLEAR IND .（2）

Composite filter element useful in filter for emergency water supply, comprises multiple closely-connected hollow cylindrical filter layers, which are ceramic layer, composite adsorption layer, protective layer and activated carbon layer.

ZHANG K, WEI S, LIU M, BI Y, DU J

Preparation of hydrophobic membrane for oil-water separation by dissolving graphene oxide powder in water, adding zinc oxide nanowires to dispersion, suction filtering and vacuum drying.

LI C, ZHANG F, LI D, BAI L, QIAN H, SHEN J, QI Q, CHEN P

Composite material useful for delivering and desorbing macromolecular substance, preferably polysaccharide molecule, protein, DNA and RNA in cell, comprises carbon nanotube as nano-particles and polydimethylsiloxane as flexible substrate.

CHEN H, WANG L, TANG H

Preparing carbon materials rich in topological defects by high-temperature ammonia treatment used as catalyst for electrochemical reduction of carbon dioxide, involves using nitrogen-doped carbon material as precursor.

CHEN L, DONG Y, SU J, ZHANG Q, YANG Y, WU K, HU J

Preparing graphene dust-removing cloth comprises e.g. preparing spinning solution, spraying to obtain modified graphene fiber intermediate layer; obtaining interlayer stock solution, and spraying to obtain intermediate interlayer.

LI X, ZHANG D, WEI Y, DAI J

Preparing graphene nano-sheet porous photo-thermal conversion material useful in photo-thermal conversion e.g. seawater desalination comprises dispersing graphite powder in high molecular monomer and performing monomer polymerization.

CHEN J, WANG X, ZHANG T, WANG A, JI W, XU N

High-flux nano-composite film comprises base film, ultra-thin hydrophilic mixed matrix modified layer formed by co-depositing two-dimensional nanomaterial and polyvinyl alcohol, and polyamide separation skin layer.

SU B, ZHANG J, LI S, HAN L

Zinc oxide visible photocatalyst fabric doped with graphene oxide and ferric ion used for purifying e.g. wastewater is prepared by mixing graphene oxide sol and ferric ion-doped zinc oxide precursor sol and soaking processed fabric carrier.

ZHU W, FENG J, ZHU Y, ZHOU W

Absorbent useful for separating and recycling carbon dioxide from blast furnace gas, comprises choline eutectic solvent or imidazole ionic liquid, graphene oxide, and water.

HUANG X

Preparation of graphene-polyurethane composite filter membrane for separating oil and water, involves adding dopamine hydrochloride to tris-hydrochloric acid buffer solution, stirring, centrifuging, collecting precipitate, and drying.

WANG X, HAN Z, SONG C, XIU C, WU X, ZHANG Y, CAO J