国家/地区 中国（9）
IPC部 B（9）
IPC大类 B01（9） C02（9）
IPC小类 B01D（9）
IPC C02F001/44（9）
发明人 YU H（9）
公开年 2019（2） 2020（2） 2021（2） 2022（2）
申请年 2019（4）  2021（3） 
专利权人 BEIJING RES .（2） CHENGDU SHID.（2） CHINA PETROL.（2） SICHUAN HENG.（2）
UNIV SOUTHWE.（2）

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

Preparation of polymer ultrafiltration membrane for sewage treatment, involves mixing e.g. polyvinylidene fluoride to obtain membrane casting solution, cooling, placing on glass plate, scraping out uniform flat membrane, soaking in deionized water and modification solution, washing, and drying.

MA G, WANG M, YU H, HUANG A, LI X, GAO B

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

Preparing graphene nano-porous film useful for textile spinning, medicine, and sewage treatment, comprises e.g. thermally reducing graphene oxide, oxidizing by manganese(II) sulfate and hydrogen peroxide, and vacuum pumping and filtering.

OU J, YAO H, YU H, ZHOU H, CHENG Y, REN B, CHEN G, YI Q, XIE H, CHEN K

Preparing graphene porous membrane by thermally reducing graphene oxide slurry, thermally-reducing, dispersing HT-graphene oxide in solvent, adding hydrogen peroxide, purifying product, and dispersing FL-graphene oxide powder in solvent.

OU J, YU H, ZHOU H, CHENG Y, REN B, CHEN G, YAO H, YI Q, XIE H, CHEN K

Preparing mixed graphene oxide nanofiltration membrane comprises e.g. mixing large-sized graphene oxide dispersion and small-sized graphene oxide dispersion, suction-filtering onto polyvinylidene fluoride support membrane, and drying.

HE Y, YU H, HOU R, ZHONG F, FAN Y, LI H, GAO Y, MA J, ZHOU L

Preparing nano-filtration membrane used in treatment of organic wastewater, by mixing graphene oxide with pure water, mixing hydrogen bromide with graphene oxide dispersion, centrifuging and filtering carboxylated graphene dispersion.

HE Y, YU H, LI H, ZHOU L, FAN Y, MA J, ZHONG F, YIN X, WANG Y

Preparing molybdenum disulfide/graphene oxide/cellulose acetate membrane, by mixing graphene oxide with deionized water, mixing molybdenum disulfide powder and mixed solution, dispersing and preparing membrane on filter.

HE Y, MA J, LI Z, FAN Y, YU H, ZHOU L, WU J

Preparing slightly reduced graphene oxide nanofiltration membrane for separation membrane, involves preparing graphene oxide nanofiltration membrane graphene oxide dispersion to obtain graphene oxide nanofiltration membrane, and irradiating.

HE Y, YU H, FAN Y, CHEN C, ZHONG F, MA J, GAO Y, HOU R