国家/地区 中国（4）
IPC部 B（4）
IPC大类 B01（4） C02（3）
IPC小类 B01D（4）
IPC B01D067/00（3） C02F001/44（3） B01D069/02（2）
B01D069/12（2）
发明人 WANG M（4）
公开年 2022（4）
申请年 2022（4）
专利权人

Composite film useful in separating and selecting magnesium and lithium in high-magnesium-lithium ratio salt lake brine, comprises ultrafiltration support layer and modified polyamide layer.

LI Z, WANG H, PENG Z, ZHAO Y, LI Y, WANG 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

Preparing graphene oxide-titanium dioxide/poly(vinylidene fluoride) composite ultrafiltration membrane comprises e.g. preparing different graphene oxide-titanium dioxide nanocomposites, dispersing it in dimethylacetamide, stirring with poly(vinylidene fluoride) and polyethylene glycol, and casting.

WANG M, YANG B, LIU H, XU H, YUE Q, JI X

Preparation of hybrid graphene oxide material used for preparing nanofiltration membrane for filtering dye, involves mixing graphene oxide aqueous dispersion and composite nanosphere aqueous dispersion, and preparing composite nanosphere hybrid graphene oxide material from obtained dispersion.

WANG M, ZOU R, YANG Z, LI Y, SHANG S, CHEN C, LI R, XIAO G