Synthesis of NaA zeolite using PTMAOH(phenyltrimethylammoniumhydroxide): hydrothermal and microwave heating methods and comparison of their XRD patterns
S. N. Azizi, A. R. Samadi-Maybodi, M. Yarmohammadi
.
DOI: 10.4236/ojic.2012.21001   PDF    HTML   XML   5,081 Downloads   11,113 Views   Citations

Abstract

Ion exchanging is one of the characteristics of the zeolites. Zeolites have octahedral and tetrahedral holes to trap ions and molecules. They also can exchange many ions in solution because of the size of the attendant ions. As a matter of fact, the property of the ion-exchanged zeolites depends on the ligands involved in the ion exchanging solutions. Ion exchanged zeolites are used as catalyst for studying the anodic oxidation of methanol in an acidic medium to investigate their suitability for use in direct methanol fuel cells (DMFCs). Some of the zeolites that have exchanged ions are shown to have redox and catalytic properties [1-3]. As an example A. Itadani et al., have reported the preparation of copper ion exchanged ZSM-5 for calorimetric study of N2 adsorption on Cu-ZSM-5 zeolite [4]. In another study, A. Ribera et al. have reported the characterization of redox properties and application of Fe-ZSM-5 catalysts [5]. In this research we prepared silicate solutions by dissolving silica in sodium hydroxide. Aluminosilicate solutions with different Al/Si ratios were prepared by mixing appropriate quantities of sodium silicate solutions with freshly prepared sodium aluminate solutions and the NaA zeolites were made by hydrothermal method. Then, their XRD patterns and IR spectra were also considered. Obviously, those zeolites which have Al-OH and Si-OH groups can lose their protons in basic solutions. In this way zeolites can adsorb many ions with positive charge. We investigated ion exchange property of Fe3+, Cu2+, Ni2+ and Hg2+ in systems with pH equals to 2, 4, 6 and 8. We found that the aluminosilicate with Si/Al = 1, has greatest exchange capacity for all of the ions studied in this work.

Share and Cite:

Azizi, S. , Samadi-Maybodi, A. and Yarmohammadi, M. (2012) Synthesis of NaA zeolite using PTMAOH(phenyltrimethylammoniumhydroxide): hydrothermal and microwave heating methods and comparison of their XRD patterns. Open Journal of Inorganic Chemistry, 2, 1-5. doi: 10.4236/ojic.2012.21001.

Conflicts of Interest

The authors declare no conflicts of interest.

References

[1] Samant, P.V. And Fernandes, J.B. (2004) Enhanced activity of Pt(HY) and Pt-Ru(HY) zeolite catalysts for electrooxidation of methanol in fuel cells. Power Source, 125, 172-177. doi:10.1016/j.jpowsour.2003.07.013
[2] Hadjiivanov, K., Ivanova, E. and Dimitrov, L. (2003) FTIR spectroscopic study of CO adsorption on Rh-ZSM-5: Detection of Rh+-CO species. Molecular Structure, 459, 661-662.
[3] Yamashita, H. and Takada S. (2003) Experimental study and ab initio molecular orbital calculation on the photolysis of n-butyrophenone included within the alkali metal cation-exchanged ZSM-5 zeolite. Journal of Photochemistry and Photobiology A: Chemistry, 160, 37-42. doi:10.1016/S1010-6030(03)00218-1
[4] Itadani, A., Kumashiro, R., Kuroda, Y. and Nagao M. (2004) Calorimetric study of N2 adsorption on copper-ion-exchanged ZSM-5 zeolite. Thermochimica Acta, 416, 99-104. doi:10.1016/j.tca.2002.12.001
[5] Ribera A., Arends, I.W.C.E., de Vries, S., Pérez-Ramirez, J. and Sheldon, R.A. (2000) Preparation, characterization, and performance of FeZSM-5 for the selective oxidation of benzene to phenol with N2O. Journal of Catalysis, 195, 287-297. doi:10.1006/jcat.2000.2994
[6] Inglezakis, V.J., Loizidou M.D. and Grigoropoulou, H.P. (2003) Ion exchange of Pb2+, Cu2+, Fe3+ and Cr3+ on natural clinoptilolite: Selectivity determination and influence of acidity on metal uptake. Journal of Colloid and Interface Science, 261, 49-54. doi:10.1016/S0021-9797(02)00244-8
[7] Shah, R., Gale, J.D. and Paynea, M.C. (1997) Comparing the acidities of zeolites and SAPOs from first principles. Chemical Communications, 1, 131-132. doi:10.1039/a605200b
[8] Bekkum H., Flanigen, E.M. and Jansen, J.C. (1991) Introduction to zeolite science and practice. Elsevier, Amsterdam.
[9] Azizi, S.N. and Yousefpour, M. (2010) Synthesis of zeolites NaA and analcime using rice husk ash as silica source without using organic template. Journal of Materials Science, 45, 5692-5697. doi:10.1007/s10853-010-4637-7
[10] Sitarz, M., Mozgawa, W. and Handke, M. (1997) Synthesis of zeolites NaA and analcime using rice husk ash as silica source without using organic template. Journal of Molecular Structure, 404, 193-197. doi:10.1016/S0022-2860(96)09381-7
[11] Handke, M. and Mozgawa, W. (1993) Vibrational spectroscopy of the amorphous silicates. Vibrational Spectroscopy, 5, 75-84. doi:10.1016/0924-2031(93)87057-Z
[12] Mozgawa, W., Sitarz, M. and Rokita, M. (1999) Spectroscopic studies of different aluminosilicate structures. Journal of Molecular Structure, 251, 511-512.
[13] Ciciszwili, G.W., Andronikaszwili, T.G., Kirov, G.N. and Filizowa, L.D. (1990) Zeolity Naturalne. WNT, Warszawa.

Copyright © 2024 by authors and Scientific Research Publishing Inc.

Creative Commons License

This work and the related PDF file are licensed under a Creative Commons Attribution 4.0 International License.