Synthesis, characterization and catalytic properties of SAPO-31 molecular sieve

Sinha, A. K. ; Kamble, K. R. ; Sivasanker, S. (1998) Synthesis, characterization and catalytic properties of SAPO-31 molecular sieve Studies in Surface Science and Catalysis, 113 . pp. 659-666. ISSN 0167-2991

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Official URL: http://www.sciencedirect.com/science/article/pii/S...

Related URL: http://dx.doi.org/10.1016/S0167-2991(98)80343-1

Abstract

SAPO-31 molecular sieve was synthesized using dibutylamine as the organic template and was characterized by XRD, SEM, TPD of NH3, DTA-TGA, sorption measurements and IR spectroscopy. Its catalytic activity in m-xylene isomerization at various temperatures and different space velocities was studied. The influence of adding Pt as the promoter on its activity was also examined. Besides its activity was compared with those of the medium pore SAPO-11 and large pore SAPO-5. SAPO-31 showed less isomerization activity than SAPO- 11 at higher conversion levels. The isomerization activity of SAPO-31 was more in the presence of Pt and H2 as the carrier gas.

Item Type:Article
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ID Code:47656
Deposited On:12 Jul 2011 14:34
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