29781 ⎘
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 one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on one brick
Sub-classes:MULTI-FUNCTIONAL CATALYSTS FOR THE OXIDATION OF NO, THE OXIDATION OF NH3 AND THE SELECTIVE CATALYTIC REDUCTION OF NOX
#2Multiple def injection concept for reducing risk of solid deposits formation in diesel aftertreatment systems
#3Passive NOadsorber
#4Two-stage catalyst for removal of NOfrom exhaust gas stream
#5Two-stage catalyst for removal of NOfrom exhaust gas stream
#6Exhaust gas treatment system
#7Catalyzed ceramic candle filter and method for cleaning of off- or exhaust gases
#8Catalyzed ceramic candle filter and method of cleaning process off- or exhaust gases
#9Exhaust system for a compression ignition engine having a capture region for volatilised platinum
#10Base metal catalyst
#11Exhaust gas purification apparatus for internal combustion engine
#12Method for improving lean performance of PGM catalyst systems: synergized PGM
#13Multi-component filters for emissions control
#14Method for the preparation of a catalysed particulate filter and catalysed particulate filter
#15Multi-component filters for emissions control
#16Capture of volatilized vanadium and tungsten compounds in a selective catalytic reduction system
#17CATALYST MATERIALS FOR AMMONIA OXIDATION IN LEAN-BURN ENGINE EXHAUST
#18Cu-CHA/Fe-MFI mixed zeolite catalyst and process for the treatment of NOin gas streams
#19Capture of volatilized vanadium and tungsten compounds in a selective catalytic reduction system
#20Ceramic Catalyst for NOx Oxidation and NOx Conversion in Emission Control Systems
#21Catalysts, systems and methods to reduce NOX in an exhaust gas stream