国家/地区 中国（4）
IPC部 B（4） C（4）
IPC大类 B01（4）
IPC小类 C02F（4） B01D（3） B01J（2）
C01B（2）
IPC C02F001/44（3） B01D067/00（2） B01D069/02（2）
C02F101/38（2）
发明人 WANG M（4）
公开年 2022（3）
申请年 2022（4）
专利权人

Preparing nitrogen-doped porous graphene used for efficient catalytic reduction of aromatic nitro compound, involves preparing graphene oxide suspension and freeze-drying; dispersing graphene oxide aerogel, nitrogen-containing precursor and activating agent into deionized water.

QI M, 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