Deactivation of vanadia-based commercial SCR catalysts by polyphosphoric acids

Publication: Research - peer-reviewJournal article – Annual report year: 2008

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Commercial vanadia-based SCR monoliths have been exposed to flue gases in a pilot-scale Setup into which phosphoric acid has been added and the deactivation has been followed during the exposure time. Separate measurements by SMPS showed that the phosphoric acid formed polyphosphoric acid aerosols, which were characterized by particle number concentrations in the order of 1 x 10(14) #m(3) at 350 degrees C and diameters
Original languageEnglish
JournalApplied Catalysis B: Environmental
Volume83
Issue number1-2
Pages (from-to)110-122
ISSN0926-3373
DOIs
StatePublished - 2008
Peer-reviewedYes
CitationsWeb of Science® Times Cited: 25

Keywords

  • SCR catalyst deactivation, SMPS, vanadia, EPR, polyphosphoric acid
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