29771 ⎘
Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols,; Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes Removing only nitrogen compounds
Sub-classes:Reducer supply device
#2Method and system for diagnosing oxidation of a substance in an exhaust gas stream
#3Catalyst carrier module for large-capacity catalytic reactor
#4Nitrous oxide removal catalysts for exhaust systems
#5Method and system for mitigating urea deposits within an SCR catalyst system
#6Method and system for mitigating urea deposits within an SCR catalyst system
#7Deterioration determination system of exhaust emission control device
#8Selective catalytic reduction catalyst system
#9Selective catalytic reduction catalyst system
#10Selective catalytic reduction catalyst system
#11Ammonia oxidation catalyst system
#12Method and system for mitigating urea deposits within an SCR catalyst system
#13Ammonia oxidation catalyst having low NO by-product formation
#14Regenerable sulfur traps for on-board vehicle applications