国家/地区 中国（2） 韩国（2）
IPC部 B（5） C（2） F（2）
IPC大类 B01（5） C07（2） F01（2）
IPC小类 B01D（5）
IPC B01D053/94（5）
发明人
公开年 2023（5）
申请年 2021（2）  2022（2） 
专利权人

Preparing denitrification catalyst useful for selective catalytic reduction reaction for reducing nitrogen oxides comprises dispersing silver, zinc and support compound, ball milling dispersion, drying and calcining ball milled dispersion.

KIM Y J, YOU Y, HEO I J, CHANG T S, LEE J H, KWAK J S, LIM M T, YOU Y W, HEO I, KWAK J, IM M T

Catalyst coated with nitrogen-doped graphene quantum dots useful for improving selective catalyst reduction efficiency, comprises vanadium oxide, tungsten trioxide, titanium dioxide, and nitrogen-doped graphene quantum dots.

BAIK J M, CHOI S, RAHULPOLBIA

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

Exhaust gas purifying device used in automobile exhaust pipes, has filtering chamber with filters to capture low carbon particles from exhaust gas, electrostatic means to attract heavy carbon particles from filters, oscillating means to remove captured low carbon particles, and collecting means.

NAKKELLA A K, SWAPNAVAHINI K, BHUKYA B, SRINIVAS B, METRE S G, SUBRAMANYAM M, KUMAR A, HARINI R, DONGRE S B, JAYARAJAN D, LAKSHMINARAYANA S A, ANNAM V

Preparing perylene metal compound useful for preparing composite material used as photocatalyst for photocatalytic oxidation reaction of nitric oxide, comprises reacting perylene-3,4,9,10-tetracarboxylic dianhydride with metal organic compound including titanium, zirconium, cobalt, and cerium.

WEI Q, WANG Y, HUO M, XIAO S