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Deactivation of H3PW12O40/TiO2 catalyst used in the production of camphene |
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| Authors: | Liliana Grzona Omar Masini Nora Comelli Esther Ponzi Marta Ponzi |
| Affiliation: | (1) INTEQUI (CONICET-UNSL), 25 de Mayo 384 (5730) V. Mercedes, San Luis. Argentina;(2) INTEQUI (CONICET-UNSL), 25 de Mayo 384 (5730) V. Mercedes, San Luis. Argentina;(3) INTEQUI (CONICET-UNSL), 25 de Mayo 384 (5730) V. Mercedes, San Luis. Argentina;(4) CINDECA (CONICET-UNLP), Calle 47 N° 257. La Plata, Buenos Aires. Argentina;(5) INTEQUI (CONICET-UNSL), 25 de Mayo 384 (5730) V. Mercedes, San Luis. Argentina |
| Abstract: | Summary The deactivation of the H3PW12O40 (HPW) catalyst supported on TiO2 used in the isomerization reaction of a-pinene and its regeneration were studied. The regeneration of the deactivated catalyst was carried out with an air flow at 300 and 500ºC, with an ozone-enriched oxygen flow at 150ºC and by extraction with solvent and acid treatment. Only the last treatment permitted to recover its activity restoring it in 48% of its initial value. |
| Keywords: | Camphene heteropoly acid isomerization deactivation |
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