国家/地区 中国（26）
IPC部 B（26）
IPC大类 B01（26） C02（21） C08（2）
IPC小类 B01D（26）
IPC B01D067/00（26）
发明人 ZHANG Y（26）
公开年 2022（6） 2017（4） 2018（4） 2021（4） 2023（4） 2019（2） 2020（2）
申请年 2022（5）  2017（4）  2018（4）  2020（3）  2021（3）  2023（3）  2019（2） 
专利权人 CHINA PETROL.（4） GUANGDONG ES.（3） HUNAN YUTUO .（3） BEIJING RES .（2）
UNIV XIAN TE.（2）

Composite nanofiltration membrane useful in treatment of high-salt wastewater containing dyes, comprises graphene oxide/phenolic resin nanofiltration membrane on surface of base film.

ZHANG X, ZHANG Y, QIU X, DU X, TAN H, WANG J, KE Y

Preparing diamines and polyamines containing diphenylmethane structure with low acid consumption comprises e.g. undergoing salt-forming reaction to generate aniline salt, mixing aniline salt and formaldehyde solution for reaction, adding solution to separator, and washing organic phase with alkali.

LI C, CUI C, ZHANG H, LI Y, ZHANG Y, LIN F

Lead ion selective adsorption polyacrylonitrile ultrafiltration membrane useful in field of lead ion wastewater treatment, comprises support layer and polyacrylonitrile separation layer (including nanoparticles surface-modified by phosphoramidate compound).

YU H, ZHANG Y, PAN G, LIU Y, ZHAO M

Graphene oxide composite nano-filtration membrane used in treating dye-containing high-salt wastewater, or decolorization treatment of the dye-containing high-salt wastewater, comprises base film surface embedded with high molecular nano material of graphene oxide nanofiltration film.

ZHANG X, ZHANG Y, QIU X, DU X, TAN H, WANG J, KE Y

Improving separability of reverse osmosis membrane, comprises using polyamide membrane modified by graphene oxide to separate oxidized substances in water to enhance water flux, chlorine resistance, and anti-pollution performance of polyamide membrane.

SHEN W, HE H, XU Z, YANG L, ZHANG Y

Preparation method for improving chlorine resistance of reverse osmosis membrane comprises using graphene oxide perform material modification of polyamide membrane, reducing pore size, porosity, hydrophilicity, and surface roughness of polyamide membrane modified by graphene oxide.

WANG C, XU Z, LIU W, YANG L, ZHANG Y

Graphene oxide filled mixed substrate reverse osmosis membrane used in water purification and separation process of film, chlorine resistance and pollution resistance, comprises graphene oxide embedded in polyamide layer.

LUO Y, LIU W, SHEN W, XU H, ZHANG Y

Porous separation membrane with adsorption performance used in e.g. water pollution monitoring, comprises polymer layer and optional support layer, where surface and interior of polymer layer are three-dimensional fiber structures and adsorbent is dispersed in polymer layer.

YU H, ZHANG Y, PAN G, ZHU X, LIU Y

Method for preparing negative pollution-resistant ceramic film used in e.g. drinking water purification, involves mixing dopamine and negatively-charged nano-additives, stirring, filtering, vacuum drying, kneading ceramic membrane blend and subjecting mud material to gradient heating and sintering.

XU Y, WANG K, CHENG X, LI J, ZHANG Y, MA J

Preparation of nano-filtration membrane of graphene oxide used in decoloring waste water, by coating dispersion liquid containing graphene oxide on base film, crosslinking graphene oxide by polyamine and post-treating by sodium hypochlorite.

ZHANG Y, CHEN H, DU X, ZHU X, ZHANG X, HE Y, KE Y