DE2333816

A catalyst for treating exhaust gas from engine vehicles which comprises a sintered substance composed of ferric oxide and at least one metallic oxide and forming at least in part a spinel crystal structure. This catalyst can be strengthened by adding aluminum oxide as an additional ingredient. Also...

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Bibliographische Detailangaben
Hauptverfasser:	MIYAKOSHI, TOSHINOBU, ADACHI, SHICHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	A catalyst for treating exhaust gas from engine vehicles which comprises a sintered substance composed of ferric oxide and at least one metallic oxide and forming at least in part a spinel crystal structure. This catalyst can be strengthened by adding aluminum oxide as an additional ingredient. Also, by adding metallic ruthenium to the catalyst, its rate of converting nitrogen compounds can be increased and by adding metallic platinum to the catalyst, its rate of converting carbon monoxide and hydrocarbons can be increased.