国家/地区 中国（9）
IPC部 B（9）
IPC大类 B01（9） C02（2）
IPC小类 B01D（9）
IPC B01J027/24（9）
发明人 DONG F（2） LI X（2） SHENG J（2）
ZHANG G（2）
公开年 2022（6） 2023（3）
申请年 2022（9）
专利权人

Producing urea for vehicles involves passing ammonia and carbon dioxide into synthesis tower, adding graphene-supported nitrogen atom catalyst, controlling temperature and pressure, reacting, depressurizing, cooling, separating gas and liquid, concentrating liquid, spray drying and granulating.

DU F, WANG Q, MO Z, WANG D, LUO X, FU L

Nitrogen-doped graphene three-dimensional macroscopic catalyst comprises nitrogen source and carbon source.

TANG Y, JIN H, PU M, XU B, BEI K, JIN Z, ZHENG X, ZHAO M, AN N, LIU R

High-efficiency volatile organic compounds photocatalytic purification material, prepared by ultrasonically dispersing nitrogen-doped porous titanium dioxide nanoparticles in deionized water, adding graphene oxide, mixing, stirring, centrifuging, washing with deionized water and drying.

CAI J, LI J, WANG J, CHEN Z, LI X, DING Z, YUN R, CHEN X, DAI W, ZHANG Z

Lead-free perovskite type graphene-like carbon nitride visible photocatalyst comprises lead-free perovskite cesium tin chloride, and two-dimensional carbon nitride material, and prepared by e.g. adding cesium chloride and tin(II) chloride into container, placing in oven, and adding melamine.

DONG F, TAN T, SHENG J

Visible light-driven self-cleaning carbon nitride heterojunction oil-water separation membrane useful in field of oil-water separation, comprises modified layer formed on surface of basement membrane, modified layer is obtained by self-assembly of heterojunction nanomaterial and graphene oxide.

LI X, ZHANG G, JIANG Z, WANG T, WAN Y, ZHANG L, MA L

Preparing bimetal perovskite-loaded graphene-like carbon nitride photocatalyst, involves dissolving antimony trichloride and silver chloride solid medicines in beaker filled with hydrochloric acid, and heating under stirring, then adding cesium chloride to the hot solution to form precipitate.

DONG F, ZHANG G, HE Y, SHENG J

Preparing carbon material for formaldehyde purification, i.e., for adsorbing and photocatalytically degrading formaldehyde, involves extracting plant leaves, refrigerating to obtain solid plant extract, dissolving solid plant extract and nitrogen source in dimethyl sulfoxide, and heating.

DONG H, LIN X, ZHU M, LIU X

Asymmetric multifunction heterogeneous composite film useful for treating wastewater treatment, comprises a catalytic degradable film layer comprising carbon quantum dots, iron-based quantum dot and two-dimensional sheet-shaped quantum dot carrier, and a functional adsorption layer.

WANG G, ZENG Z, ZHU L, SONG H

Preparing nano photocatalyst air smell-removing agent, comprises dissolving plant glue in water, adding nano photo-catalyst, ceramic particle sand, plant extracting solution and adhesive auxiliary agent and stirring to obtain coating dispersion mixture, immersing active carbon fiber and drying.

PAN L, XIAO X