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（2） B01D069/12（2） B01D071/02（2）
C02F103/08（2）
发明人 WANG D（4）
公开年 2022（2） 2023（2）
申请年 2022（4）
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

Oxidation graphene reverse osmosis membrane comprises sub-nano carbon tube, oxidation graphene layer, and phospholipid double-molecular layer.

WANG L, WANG D, LI Z

Sound insulation material used in water purifying machine, comprises butyronitrile, modified oxidized graphene, zinc oxide, stearic acid, acceleratorand sulfur.

LI Z, MA X, YU W, WANG D, REN F

Preparing highly stable ceramic-based sub- nanoporous graphene composite membrane, involves preparing inorganic transition layer of ceramic carrier by dipping-pulling and high-temperature sintering, preparing inorganic transition layer sol.

YANG F, SUN C, DONG Y, ZHENG Q, WANG D