国家/地区 中国（3）
IPC部 B（3） C（3）
IPC大类 B01（3）
IPC小类 B01D（3）
IPC B01D067/00（3）
发明人 YU H（3）
公开年
申请年 2021（3）
专利权人 BEIJING RES .（2） CHINA PETROL.（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

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