国家/地区 中国（3）
IPC部 B（3）
IPC大类 B01（3） C02（2）
IPC小类 B01D（3）
IPC B01D067/00（2） B01D069/12（2） B01D071/02（2）
C02F103/08（2）
发明人 WANG D（3）
公开年 2023（3）
申请年 2022（2） 
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

Preparing highly stable ceramic-based subnanoporous graphene composite film useful for e.g. removing boron in water during pervaporation process, comprises e.g. adding graphite oxide powder into water, configuring crosslinking agent solution, performing filtration method, and connecting support.

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

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

WANG L, WANG D, LI Z