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

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

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

Filter for emergency water supply, has shell whose side wall is formed with water inlet, where bottom part of shell is formed with water outlet and center part of composite filter core is formed with central cavity for flowing out water supply flow.

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

Water purifying and absorbing material prepared by grafting or copolymerizing N-vinyl amide monomers on the matrix material, hydrolyzing, and adding functional compounds having epoxy and reacting to couple them to matrix material.

CHEN X, GUI Q, HU K, OUYANG Q, ZHANG J