国家/地区 中国（8）
IPC部 B（8）
IPC大类 B01（8）
IPC小类 C02F（8） B01J（5） B01D（3）
IPC B01J020/30（4） C02F001/28（4） C02F101/30（4）
B01D067/00（3） C02F001/44（3） C02F001/66（3）
B01D061/00（2） B01D069/02（2） B01D069/12（2）
B01J020/26（2） B01J020/28（2） C02F001/00（2）
C02F009/00（2） C02F101/20（2）
发明人 ZHANG Y（8）
公开年 2023（8）
申请年 2022（4）  2021（2）  2023（2） 
专利权人 BEIJING RES .（2） CHINA PETROL.（2） GUANGDONG ES.（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

Treatment of chromium-containing wastewater involves using lignin-based composite aerogel as adsorbent material, adjusting pH of chromium-containing wastewater, and removing hexavalent chromium-ion in wastewater.

ZHANG Y, ZHAO X, CHU R, GUO X

Nanomaterial used for selectively adsorbing lead ion, comprises nanoparticle core, polydopamine coating layer and phosphoramidate compound modified layer.

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

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

Preparing sewage treatment agent for heavy metal treatment, comprises dispersing aminated magnetic graphene oxide in distilled water, adding glutaraldehyde solution, adding amino-terminated hyperbranched polymer after ultrasonic treatment, stirring, centrifuging, precipitating, washing, and drying.

XUE J, ZHANG Y, TENG J, CHENG Y

Preparation of graphene biocarbon used for treating wastewater containing organophosphorus pesticides, involves adding straw powder to iron/zinc mixed solution, reacting in water bath, drying, pyrolyzing obtained straw and metal composite material, pickling, and freeze-drying.

ZHANG Y, ZHOU B, QIU L, YUAN R

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

Preparing composite catalyst used for efficiently utilizing visible light and near-infrared light, involves adding ethylene glycol, tetrabutyl titanate, polyamine and citric acid into three-necked flask, stirring at room temperature, refluxing stirred solution in oil bath, and then cooling.

HAO C, ZHANG Y, CHEN H, DENG L, LI D