Highly selective NOx sensor in the presence of NH3

An improved NOx sensor with an NH3 oxidation. A sensor module may include a support component, a NOx sensing material positioned on the support component, and an NH3 oxidation catalyst. The NH3 oxidation catalyst may be layered on top of the NOx sensing material or the NH3 oxidation catalyst may be...

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Bibliographische Detailangaben
1. Verfasser:	Bahrami, Behnam
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE BLASTING CEMENTS CERAMICS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE 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 INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES LIGHTING LIME, MAGNESIA MACHINES OR ENGINES IN GENERAL MEASURING MECHANICAL ENGINEERING METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PHYSICS REFRACTORIES SEPARATION SLAG STEAM ENGINES TESTING THEIR RELEVANT APPARATUS TRANSPORTING TREATMENT OF NATURAL STONE WEAPONS
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Beschreibung
Zusammenfassung:	An improved NOx sensor with an NH3 oxidation. A sensor module may include a support component, a NOx sensing material positioned on the support component, and an NH3 oxidation catalyst. The NH3 oxidation catalyst may be layered on top of the NOx sensing material or the NH3 oxidation catalyst may be positioned upstream of the NOx sensing material such that the NH3 oxidation catalyst selectively converts NH3 to N2 while permitting NOx through to the NOx sensing material.