EXHAUST GAS TREATMENT SYSTEM
An exhaust gas treatment system includes in order: an intake for receiving an exhaust gas from a lean burn combustion engine; an injector for the provision of a nitrogenous reductant; a close-coupled vanadium-containing SCR catalyst composition; one or more downstream PGM-containing oxidation cataly...
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| creator | SPENCER, Nicholas RAJ, Agnes MUENCH, Joerg Werner STONOR, Andrew LEPPELT, Rainer SANTI, Dominic Florian DALY, Christopher NEWMAN, Andrew David PIRAS, Irene |
| description | An exhaust gas treatment system includes in order: an intake for receiving an exhaust gas from a lean burn combustion engine; an injector for the provision of a nitrogenous reductant; a close-coupled vanadium-containing SCR catalyst composition; one or more downstream PGM-containing oxidation catalyst compositions, wherein the close-coupled vanadium-containing SCR catalyst composition includes cerium in a Ce:V molar ratio of greater than 0.3. |
| format | Patent |
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PIRAS, Irene</creatorcontrib><description>An exhaust gas treatment system includes in order: an intake for receiving an exhaust gas from a lean burn combustion engine; an injector for the provision of a nitrogenous reductant; a close-coupled vanadium-containing SCR catalyst composition; one or more downstream PGM-containing oxidation catalyst compositions, wherein the close-coupled vanadium-containing SCR catalyst composition includes cerium in a Ce:V molar ratio of greater than 0.3.</description><language>eng</language><subject>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 ; SEPARATION ; STEAM ENGINES ; THEIR RELEVANT APPARATUS ; 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an injector for the provision of a nitrogenous reductant; a close-coupled vanadium-containing SCR catalyst composition; one or more downstream PGM-containing oxidation catalyst compositions, wherein the close-coupled vanadium-containing SCR catalyst composition includes cerium in a Ce:V molar ratio of greater than 0.3.</description><subject>BLASTING</subject><subject>CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY</subject><subject>ENGINE PLANTS IN GENERAL</subject><subject>GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES</subject><subject>GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MACHINES OR ENGINES IN GENERAL</subject><subject>MECHANICAL ENGINEERING</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</subject><subject>SEPARATION</subject><subject>STEAM ENGINES</subject><subject>THEIR RELEVANT APPARATUS</subject><subject>TRANSPORTING</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2023</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJBxjfBwDA0OUXB3DFYICXJ1DPF19QtRCI4MDnH15WFgTUvMKU7lhdLcDMpuriHOHrqpBfnxqcUFicmpeakl8aHBRgZGxsZGxhYGRo6GxsSpAgAHcSHf</recordid><startdate>20231012</startdate><enddate>20231012</enddate><creator>SPENCER, Nicholas</creator><creator>RAJ, Agnes</creator><creator>MUENCH, Joerg Werner</creator><creator>STONOR, Andrew</creator><creator>LEPPELT, Rainer</creator><creator>SANTI, Dominic Florian</creator><creator>DALY, Christopher</creator><creator>NEWMAN, Andrew David</creator><creator>PIRAS, Irene</creator><scope>EVB</scope></search><sort><creationdate>20231012</creationdate><title>EXHAUST GAS TREATMENT SYSTEM</title><author>SPENCER, Nicholas ; 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an injector for the provision of a nitrogenous reductant; a close-coupled vanadium-containing SCR catalyst composition; one or more downstream PGM-containing oxidation catalyst compositions, wherein the close-coupled vanadium-containing SCR catalyst composition includes cerium in a Ce:V molar ratio of greater than 0.3.</abstract><oa>free_for_read</oa></addata></record> |
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| 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 SEPARATION STEAM ENGINES THEIR RELEVANT APPARATUS TRANSPORTING WEAPONS |
| title | EXHAUST GAS TREATMENT SYSTEM |
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