国家/地区 中国（9）
IPC部 B（9）
IPC大类 B01（9） C07（2）
IPC小类 B01D（9）
IPC B01D053/90（9）
发明人
公开年 2018（4） 2022（2）
申请年 2022（3）  2017（2）  2018（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

Anti-crystallization vehicle urea comprises high-purity urea, crystallization inhibitor, acetylene glycol surfactant, 2,6-di-tert-butyl-p-cresol, cold-resistant agent and high-purity water.

YE T

Long-acting deodorizing and spraying liquid comprises thermal catalyst, beta-cyclodextrin, common soil, calcium carbonate, agglomerant, starch, phase-change temperature-adjusting microcapsule, photovoltaic power generation material and solvent.

SHI L

Preparing flue gas denitration catalyst comprises e.g. adding graphene oxide powder, polyethylene glycol 400, manganese stearate to water and mixing to form suspension and soaking extruded open-cell polyurethane sponge in suspension.

BAI R

Flue gas denitration catalyst is prepared by introducing cerium into active component iron vanadate, where cerium ions are transformed can store and release oxygen, and carrier titanium oxide-graphene has larger specific surface area.

LI Z, YANG C, CUI J, MA Y, DONG S

Zirconium boride auxiliary denitration and desulfurization catalyst useful for catalyzing simultaneous removal of nitrogen and sulfur oxides, comprises e.g. diatomite-graphene, nano-nickel oxide, metal oxide additives and surfactant.

JIANG Z, HUANG Z

Nitrogen/metal doped graphene mercury catalytic application device comprises layer of net and multiple unit grid layer, where layer net is arranged below multiple unit grid for supporting and placing multiple unit grid.

ZHOU L, GUO S, GONG Y, GUO Y

Preparing selective catalytic reduction catalyst for use in low-temperature flue gas denitrification system, involves loading graphene oxide containing groups as precursor with manganese in graphene solution through two-step process.

HUANG B, JIAO J

Preparing boron-doped graphene or titanium dioxide nano-rods photocatalytic material, comprises e.g. ultrasonically dispersing graphene oxide in deionized water, stirring, performing hydro-thermal reaction, and performing vacuum drying.

LIU B, LI H, WANG Y, WU Q, WU B