国家/地区 中国（2）
IPC部 B（2） C（2）
IPC大类 B01（2）
IPC小类 B01D（2）
IPC B01J027/24（2）
发明人
公开年
申请年
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 dispersed cerium-carbon nitride-urea-nitrogen material by coordination process used in photocatalytic reduction of carbon dioxide, involves putting solid cerium nitrate hexahydrate and urea into absolute ethanol.

ZHU C, WEI X, ZOU W, PU Y, LI W, DONG L