国家/地区 中国（4）
IPC部 B（4） C（3）
IPC大类 B01（4）
IPC小类 B01J（4）
IPC B01J021/18（2）
发明人 MA C（4）
公开年 2022（2） 2023（2）
申请年 2022（4）
专利权人

Preparation of 4,4'-diaminodiphenylmethane involves adding formaldehyde or paraformaldehyde into aniline solution, and adding water and graphene catalyst for catalysis.

FENG J, ZHANG Q, DAI Y, CHEN D, MA C, WU M

Preparation of nitrogen-doped graphene loaded magnetic nanoparticle material used as photocatalyst for treating tetracycline-containing wastewater, involves mixing graphite-phase carbon nitride and ferrocene, placing in sealed container for heat treating, and cooling to room temperature.

FENG S, JIAO Y, MA C

Composite nanomaterial useful for air purification comprises graphene oxide nanosheets, carbon airgel, nano titanium dioxide and nano-silver particles, where carbon airgel, nano-titanium dioxide and nano-silver particles are supported on the surface of graphene oxide nanosheets.

SHAO P, XIA J, SUN J, CUI Q, MA C, YANG H

Heavy metal polluted soil repairing agent based on graphene oxide useful in repairing heavy metal cadmium polluted soil, comprises e.g. graphene oxide/cellulose composite material, hydrotalcite loaded with elemental sulfur, peanut bran, pH regulator and chitosan graft polyvinyl alcohol emulsion.

WU X, MA C