Process for the preparation of a vanadia SCR-catalyst supported on titania
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United States of America Patent
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Issued Date -
Dec 6, 2001
app pub date -
Apr 11, 2001
filing date -
Apr 11, 2000
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention concerns a process for the preparation of a vanadia SCR-catalyst supported on titania. The process is characterized in that the catalyst is prepared by dispersing titania in an ammonium metavanadate (NH.sub.4VO.sub.3) solution, adjusting the pH of the solution to a value of 7.0-7.1 by NH.sub.4OH and HNO.sub.3, stirring the resulting suspension for a time sufficient for complete adsorption of the vanadium compound on titania, filtering the suspension and drying and calcining the resulting catalyst compound.
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