EXHAUST GAS PURIFYING MATERIAL AND METHOD FOR PURIFYING EXHAUST GAS

PURPOSE:To effectively remove particulates and NOx contained in exhaust gas high in oxygen concn. discharged from a diesel engine and also remove CO and HC being as other harmful components in the exhaust gas. CONSTITUTION:A fine powder of a composite oxide catalyst represented by the formula Ln1-xR...

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Bibliographische Detailangaben
Hauptverfasser:	ABE AKIRA, KADOYA SATOSHI, YOSHIDA KIYOHIDE, TERAOKA YASUTAKE, KAGAWA SHIYUUICHI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION THEIR RELEVANT APPARATUS TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE:To effectively remove particulates and NOx contained in exhaust gas high in oxygen concn. discharged from a diesel engine and also remove CO and HC being as other harmful components in the exhaust gas. CONSTITUTION:A fine powder of a composite oxide catalyst represented by the formula Ln1-xRxO3+a (wherein Ln is one or more kinds of elements selected from a group consisting of La, Pr, Nd, Sm and Gd, R is one or more kinds of elements selected from a group consisting of Li, Na, K and Cs, M is one or more kinds of elements selected from a group consisting of V, Cr, Mn, Fe, Co, Ni and Cu, (x) is 0