COMPOSITE, ZONED OXIDATION CATALYS FOR A COMPRESSION IGNITION INTERNAL COMBUSTION ENGINE

• Main Authors: PHILLIPS, Paul, MICALLEF, David, HANLEY, Robert, PLATT, George, COOPER, Oliver, DALY, Christopher, GILBERT, Lee, COLE, Kieran, MOREAU, Francois, CHIFFEY, Andrew
• Format: Patent
• Language: English
• Published: 21.03.2024
• Subjects: BLASTING; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; ENGINE PLANTS IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL; HEATING; LIGHTING; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; STEAM ENGINES; THEIR RELEVANT APPARATUS; TRANSPORTING; WEAPONS

A composite oxidation catalyst for use in an exhaust system for treating an exhaust gas produced by a vehicular compression ignition internal combustion engine is disclosed. The composite oxidation catalyst comprises a honeycomb flow-through substrate monolith and two catalyst washcoat zones arrange...