Crystallization and characterization of high silica silicoaluminophosphate SAPO-5

  • Seelan S
  • Sinha A
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SAPO-5 with a high Si content have been synthesized by using dipropylamine (DPA) as a template in ethylene glycol (EG) (molar ratio of silica in the reaction gels up to 2.4). Crystallinity and silicon incorporation was confirmed by XRD, XRF, N2sorption measurement, TG-DTA, SEM, pyridine-TPD and27Al,29Si MAS-NMR. These SAPO-5 materials with high Si concentrations show higher activity for toluene alkylation reaction than samples prepared from the gel with up to 0.6 molar ratio of silica. © 2004 Elsevier B.V. All rights reserved.

Author-supplied keywords

  • AlPO-5
  • Alkylation
  • SAPO-5
  • Silicoaluminophosphate

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  • S. Seelan

  • A. K. Sinha

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