Synthesis, characterization and catalytic properties of SAPO-11 molecular sieve synthesized in hydrothermal media using di-isopropylamine as template

Bulletin of the Polish Academy of Sciences. Technical Sciences

W.A. NascimentoDepartment of Biology, Federal University of Rio Grande do Norte, 59078-970, Natal/RN, BrazilOther articles by this author:De Gruyter OnlineGoogle Scholar¹  I. Almeida BassanDepartment of Chemistry, Federal University of Rio Grande do Norte, 59078-970, Natal/RN, BrazilOther articles by this author:De Gruyter OnlineGoogle Scholar²  M. TavaresDepartment of Chemistry, Federal University of Rio Grande do Norte, 59078-970, Natal/RN, BrazilOther articles by this author:De Gruyter OnlineGoogle Scholar²  M. Jose Fonseca CostaDepartment of Chemistry, Federal University of Rio Grande do Norte, 59078-970, Natal/RN, BrazilOther articles by this author:De Gruyter OnlineGoogle Scholar²  V.J. FernandesDepartment of Chemistry, Federal University of Rio Grande do Norte, 59078-970, Natal/RN, BrazilOther articles by this author:De Gruyter OnlineGoogle Scholar²  L. Guilherme MeiraDepartment of Mechanical Engineering, Federal University of Rio Grande do Norte, P.O. Box 1662 59078-970, Natal/RN, BrazilOther articles by this author:De Gruyter OnlineGoogle Scholar³  T. ChellappaCorresponding authorDepartment of Mechanical Engineering, Federal University of Rio Grande do Norte, P.O. Box 1662 59078-970, Natal/RN, BrazilEmailOther articles by this author:De Gruyter OnlineGoogle Scholar³  J. Telesforo Nóbrega De MedeirosDepartment of Mechanical Engineering, Federal University of Rio Grande do Norte, P.O. Box 1662 59078-970, Natal/RN, BrazilOther articles by this author:De Gruyter OnlineGoogle Scholar³  R. Maribondo Do NascimentoDepartment of Mechanical Engineering, Federal University of Rio Grande do Norte, P.O. Box 1662 59078-970, Natal/RN, BrazilOther articles by this author:De Gruyter OnlineGoogle Scholar³  A. MenezesDepartment of Mechanical Engineering, Federal University of Rio Grande do Norte, P.O. Box 1662 59078-970, Natal/RN, BrazilOther articles by this author:De Gruyter OnlineGoogle Scholar³  L. Ferreira De LimaDepartment of Mechanical Engineering, Federal University of Rio Grande do Norte, P.O. Box 1662 59078-970, Natal/RN, BrazilOther articles by this author:De Gruyter OnlineGoogle Scholar³ 

[1] Department of Biology, Federal University of Rio Grande do Norte, 59078-970, Natal/RN, Brazil;Department of Chemistry, Federal University of Rio Grande do Norte, 59078-970, Natal/RN, Brazil;Department of Mechanical Engineering, Federal University of Rio Grande do Norte, P.O. Box 1662 59078-970, Natal/RN, Brazil

关键词: Keywords : microporous materials;    SAPO-11;    characterization;    catalytic activity;    molecular sieves;   

DOI  :  10.2478/bpasts-2014-0051

学科分类：工程和技术（综合）

来源: Polska Akademia Nauk * Centrum Upowszechniania Nauki / Polish Academy of Sciences, Center for the Advancement of Science

【 摘 要 】

A microporous SAPO-11 Molecular sieve was successfully synthesized by the hydrothermal method, using a single agent, as an organic template: di-isopropylamine (DIPA). The obtained solid was calcined at 550◦C for three hours, after which the flow of nitrogen was exchanged for that of synthetic air and submitted for another ten hours of calcination, so as to remove the single agent: di-isopropylamine, which after the removal of the template could be observed by the high crystallization of the sample. Furthermore, the molecular sieve was characterized by XRD, SEM, TG-DTG and N2 adsorption desorption (BET analysis). The obtained catalyst proved to have a high potential catalytic activity and selectivity, through the obtained characterization results, exhibiting good hydrothermal stability. The catalytic performance of SAPO-11 was tested by the deactivation/regenerability of the coked sample, furthered by cracking of n-hexane reaction and high olefins selectivity was obtained.

【 授权许可】

Unknown