PROCESS AND CATALYSTS FOR OXIDIZING SULPHUR DIOXIDE

PROCESS AND CATALYSTS FOR OXIDIZING SULPHUR DIOXIDE

The oxidation of sulphur dioxide to sulphur trioxide is carried out in the presence of catalysts which comprise a silica-based support and, applied thereto, an active substance containing compounds of vanadium and alkali metals. In order to increase the dust-absorption capacity of a catalyst bed, th...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: BECKER, HANS-JUERGEN, LAURER, PETER RUDOLF
Format: Patent
Sprache:eng ; ger
Schlagworte:
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
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Beschreibung
Zusammenfassung:The oxidation of sulphur dioxide to sulphur trioxide is carried out in the presence of catalysts which comprise a silica-based support and, applied thereto, an active substance containing compounds of vanadium and alkali metals. In order to increase the dust-absorption capacity of a catalyst bed, the catalyst has a stellate cross-section with 4 to 6 points.