Skip to main content
SpringerLink
Log in

Model-free kinetics applied for the removal of CTMA+ and TPA+ of the nanostructured hybrid AlMCM-41/ZSM-5 material

  • Published:
Journal of Thermal Analysis and Calorimetry Aims and scope Submit manuscript

Abstract

The nanostructured hybrid AlMCM-41/ZSM-5 composite was synthesized starting from a hydrogel with molar composition SiO2:0.32Na2O:0.03Al2O3:0.20TPABr:0.16CTMABr:55H2O. The cetyltrimethylammonium bromide (CTMABr) and tetrapropylammonium bromide (TPABr) were used as templates. The above mentioned material presents morphological properties with specific characteristics, such as the surface area of the composite which is approximately half of the surface area of the conventional MCM-41. Another interesting feature is the formation of walls with the double of the density of the MCM-41 structure, which characterizes the hybrid material, resulting in a high stability material for catalytic application. The aim of this study is obtain optimized structures of the hybrid material and for this purpose variations in the synthesis time were carried out. A comparative analysis was performed including X-ray diffraction, Fourier transform infrared spectroscopy, and Thermogravimetry measurements. The model-free kinetic algorithms were applied in order to determinate conversion and apparent activation energy of the decomposition of the CTMA+ and TPA+ species from the hybrid AlMCM-41/ZSM-5.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Fig. 1
Fig. 2
Fig. 3
Fig. 4
Fig. 5
Fig. 6

Similar content being viewed by others

References

  1. Corma A. From microporous to mesoporous molecular sieve materials and their use in catalysis. Chem Rev. 1997;97:2373–419.

    Article  CAS  Google Scholar 

  2. Taguchi A, Schüth F. Ordered mesoporous materials in catalysis. Microporous Mesoporous Mater. 2005;77:1–45.

    Article  CAS  Google Scholar 

  3. Szegedi Á, Popova M, Minchev C. Catalytic activity of Co/MCM-41 and Co/SBA-15 materials in toluene oxidation. J Mater Sci. 2009;44:6710–6.

    Article  CAS  Google Scholar 

  4. Ramírez S, Domínguez JM, García LA, Mantilla MA, Flores CA, Salmones J, Jerónimo D. One-pot synthesis of hybrid materials composed by crystalline ZSM-5 and noncrystalline MCM-41 phases. Pet Sci Technol. 2004;22:119–27.

    Article  Google Scholar 

  5. Xia Y, Mokaya R. On the synthesis and characterization of ZSM-5/MCM-48 aluminosilicate composite materials. J Mater Chem. 2004;14:863–70.

    Article  CAS  Google Scholar 

  6. García RA, Serrano DP, Otero D. Catalytic cracking of HDPE over hybrid zeolitic-mesoporous materials. J Anal Appl Pyrolysis. 2005;74:379–86.

    Article  Google Scholar 

  7. Sinfrônio FSM, Souza AG, Santos IMG, Fernandes VJ Jr, Novák C, Éhen Z. Influence of H-ZSM-5, Al-MCM-41 and acid hybrid ZSM-5/MCM-41 on polyethylene decomposition. J Therm Anal Calorim. 2006;85:391–9.

    Article  Google Scholar 

  8. Huang L, Guo W, Deng P, Xue Z, Li Q. Investigation of synthesizing MCM-41/ZSM-5 composites. J Phys Chem B. 2000;104:2817–23.

    Article  CAS  Google Scholar 

  9. Trong On D, Lutic D, Kaliaguine S. An example of mesostructured zeolitic material:UL-TS-1. Microporous Mesoporous Mater. 2001;44–45:435–44.

    Article  Google Scholar 

  10. Gonçalves ML, Dimitrov LD, Jordão MH, Wallau M, Urquieta-González EA. Synthesis of mesoporous ZSM-5 by crystallisation of aged gels in the presence of cetyltrimethylammonium cations. Catal Today. 2008;133–135:69–79.

    Article  Google Scholar 

  11. Vyazovkin S, Goryachko V. Potentialities of software for kinetic processing of thermoanalytical data by the isoconversion method. Thermochim Acta. 1992;194:221–30.

    Article  CAS  Google Scholar 

  12. Vyazovkin S, Wight CA. Isothermal and non-isothermal kinetics of thermally stimulated reactions of solids. Int Rev Phys Chem. 1998;17:407–33.

    Article  CAS  Google Scholar 

  13. Araujo AS, Fernandes VJ Jr, Souza MJB, Silva OSA, Aquino JMFB. Model free-kinetics applied to CTMA+ removal of AlMCM-41 molecular sieves. Thermochim Acta. 2004;413:235–40.

    Article  CAS  Google Scholar 

  14. Polli H, Pontes LAM, Araujo AS, Barros JMF, Fernandes VJ. Degradation behavior and kinetic study of ABS polymer. J Therm Anal Calorim. 2009;95:131–4.

    Article  CAS  Google Scholar 

  15. Arias S, Prieto MM, Ramajo B, Espina A, García JR. Model-free kinetics applied to the vaporization of caprylic acid. J Therm Anal Calorim. 2009;98:457–62.

    Article  CAS  Google Scholar 

  16. Silva EFB, Ribeiro MP, Galvão LPFC, Fernandes VJ, Araujo AS. Kinetic study of low density polyethylene degradation on the silicoaluminophospate SAPO-11. J Therm Anal Calorim. 2010. doi: 10.1007/s10973-010-0972-9.

  17. Goworek J, Kierys A, Gac W, Borówka A, Kusak R. Thermal degradation of CTAB in as-synthesized MCM-41. J Therm Anal Calorim. 2009;96:375–82.

    Article  CAS  Google Scholar 

Download references

Acknowledgements

This study was supported by the National Council of Technological and Scientific Development of Brazil (CNPq). Also, one of the authors (MJFC) acknowledges CNPq for the auxiliary research funding and the doctoral fellowship.

Author information

Authors and Affiliations

  1. Institute of Chemistry, Federal University of Rio Grande do Norte, Natal, RN, 59078-970, Brazil

    Maria J. F. Costa, Antonio S. Araujo, Edjane F. B. Silva, Mirna F. Farias & Valter J. Fernandes Jr.

  2. Department of Fundamental Chemistry, Federal University of Pernambuco, Recife, PE, 50740-540, Brazil

    Petrus d’Amorim Santa-Cruz

  3. Department of Chemical Engineering, Federal University of Pernambuco, Recife, PE, 50740-521, Brazil

    José G. A. Pacheco

Authors
  1. Maria J. F. Costa
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. Antonio S. Araujo
    View author publications

    You can also search for this author in PubMed Google Scholar

  3. Edjane F. B. Silva
    View author publications

    You can also search for this author in PubMed Google Scholar

  4. Mirna F. Farias
    View author publications

    You can also search for this author in PubMed Google Scholar

  5. Valter J. Fernandes Jr.
    View author publications

    You can also search for this author in PubMed Google Scholar

  6. Petrus d’Amorim Santa-Cruz
    View author publications

    You can also search for this author in PubMed Google Scholar

  7. José G. A. Pacheco
    View author publications

    You can also search for this author in PubMed Google Scholar

Corresponding authors

Correspondence to Maria J. F. Costa or Antonio S. Araujo.

Rights and permissions

Reprints and permissions

About this article

Cite this article

Costa, M.J.F., Araujo, A.S., Silva, E.F.B. et al. Model-free kinetics applied for the removal of CTMA+ and TPA+ of the nanostructured hybrid AlMCM-41/ZSM-5 material. J Therm Anal Calorim 106, 767–771 (2011). https://doi.org/10.1007/s10973-011-1297-z

Download citation

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s10973-011-1297-z

Keywords

Search

Navigation