CATALYST SYSTEM

A catalyst system capable of operating at very high temperatures is disclosed. The catalyst is divided into upstream and downstream portions, the upstream portion being protected against both thermal conductivity and radiant heat transfer from the downstream portion. Advantageously, the upstream por...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	POLINSKI, LEON M, ROBERTS, GEORGE W, HINDIN, SAUL G
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AIR BLASTING CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY COMBUSTION APPARATUS COMBUSTION PROCESSES HEATING LIGHTING MECHANICAL ENGINEERING METHODSOR APPARATUS FOR COMBUSTION USING FLUID FUELOR SOLID FUEL SUSPENDED IN PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	A catalyst system capable of operating at very high temperatures is disclosed. The catalyst is divided into upstream and downstream portions, the upstream portion being protected against both thermal conductivity and radiant heat transfer from the downstream portion. Advantageously, the upstream portion may use a more active catalyst composition than the downstream portion. The invention makes possible the use of a temperaturesensitive, high-activity catalyst in processes such as catalytically-supported, thermal combustion which typically operate at temperatures detrimental to these catalysts.