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Preparation of Ultradispersed Crystallites of Modified Natural Clinoptilolite with the Use of Ultrasound and Its Application as a Catalyst in the Synthesis of Methyl Salicylate

Received: 11 January 2017     Accepted: 12 January 2017     Published: 6 February 2017
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Abstract

The ultradispersed crystallites (300 – 325 nm) of the acid modified natural clinoptilolite (CL, ν(SiO2)/ν(AI2O3) = 8.9) from Dzegvi (Georgia) deposit with the use of simplest method – of the indirect effect of ultrasound – were prepared. Under the influence of ultrasound the happening changes of structure and the sizes of clinoptilolite particles are shown, by the XRD, FTIR spectroscopy and by means of laser particle size analyzer, respectively. Catalytic activities of the initial acid form of the clinoptilolite (H–CL, ν(SiO2)/ν(AI2O3) = 23.3) and its form processed by ultrasound (H–CL (UlS)) in reaction of esterification of salicylic acid by methanol into methyl salicylate were compared. The indirect irradiation with ultrasound of acid form of clinoptilolite has led to sharp improve its catalytic properties in the formation of methyl salicylate. The best catalytic performance is achieved with ultrasound treated catalyst. The conversion of the salicylic acid and the selectivity to methyl salicylate on H–CL (UlS) were very high, 90 and 95%, respectively, at 120°C.

Published in American Journal of Nano Research and Applications (Volume 5, Issue 3-1)

This article belongs to the Special Issue Nanotechnologies

DOI 10.11648/j.nano.s.2017050301.17
Page(s) 26-32
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2017. Published by Science Publishing Group

Keywords

Ultrasound, Ultradisperse Clinoptilolite, Esterification, Methyl Salicylate

References
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    Tsiuri Ramishvili, Vladimer Tsitsishvili, Roin Chedia, Ekaterine Sanaia, Vakhtang Gabunia, et al. (2017). Preparation of Ultradispersed Crystallites of Modified Natural Clinoptilolite with the Use of Ultrasound and Its Application as a Catalyst in the Synthesis of Methyl Salicylate. American Journal of Nano Research and Applications, 5(3-1), 26-32. https://doi.org/10.11648/j.nano.s.2017050301.17

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    ACS Style

    Tsiuri Ramishvili; Vladimer Tsitsishvili; Roin Chedia; Ekaterine Sanaia; Vakhtang Gabunia, et al. Preparation of Ultradispersed Crystallites of Modified Natural Clinoptilolite with the Use of Ultrasound and Its Application as a Catalyst in the Synthesis of Methyl Salicylate. Am. J. Nano Res. Appl. 2017, 5(3-1), 26-32. doi: 10.11648/j.nano.s.2017050301.17

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    AMA Style

    Tsiuri Ramishvili, Vladimer Tsitsishvili, Roin Chedia, Ekaterine Sanaia, Vakhtang Gabunia, et al. Preparation of Ultradispersed Crystallites of Modified Natural Clinoptilolite with the Use of Ultrasound and Its Application as a Catalyst in the Synthesis of Methyl Salicylate. Am J Nano Res Appl. 2017;5(3-1):26-32. doi: 10.11648/j.nano.s.2017050301.17

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  • @article{10.11648/j.nano.s.2017050301.17,
      author = {Tsiuri Ramishvili and Vladimer Tsitsishvili and Roin Chedia and Ekaterine Sanaia and Vakhtang Gabunia and Nino Kokiashvili},
      title = {Preparation of Ultradispersed Crystallites of Modified Natural Clinoptilolite with the Use of Ultrasound and Its Application as a Catalyst in the Synthesis of Methyl Salicylate},
      journal = {American Journal of Nano Research and Applications},
      volume = {5},
      number = {3-1},
      pages = {26-32},
      doi = {10.11648/j.nano.s.2017050301.17},
      url = {https://doi.org/10.11648/j.nano.s.2017050301.17},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.nano.s.2017050301.17},
      abstract = {The ultradispersed crystallites (300 – 325 nm) of the acid modified natural clinoptilolite (CL, ν(SiO2)/ν(AI2O3) = 8.9) from Dzegvi (Georgia) deposit with the use of simplest method – of the indirect effect of ultrasound – were prepared. Under the influence of ultrasound the happening changes of structure and the sizes of clinoptilolite particles are shown, by the XRD, FTIR spectroscopy and by means of laser particle size analyzer, respectively. Catalytic activities of the initial acid form of the clinoptilolite (H–CL, ν(SiO2)/ν(AI2O3) = 23.3) and its form processed by ultrasound (H–CL (UlS)) in reaction of esterification of salicylic acid by methanol into methyl salicylate were compared. The indirect irradiation with ultrasound of acid form of clinoptilolite has led to sharp improve its catalytic properties in the formation of methyl salicylate. The best catalytic performance is achieved with ultrasound treated catalyst. The conversion of the salicylic acid and the selectivity to methyl salicylate on H–CL (UlS) were very high, 90 and 95%, respectively, at 120°C.},
     year = {2017}
    }
    

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  • TY  - JOUR
    T1  - Preparation of Ultradispersed Crystallites of Modified Natural Clinoptilolite with the Use of Ultrasound and Its Application as a Catalyst in the Synthesis of Methyl Salicylate
    AU  - Tsiuri Ramishvili
    AU  - Vladimer Tsitsishvili
    AU  - Roin Chedia
    AU  - Ekaterine Sanaia
    AU  - Vakhtang Gabunia
    AU  - Nino Kokiashvili
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    DO  - 10.11648/j.nano.s.2017050301.17
    T2  - American Journal of Nano Research and Applications
    JF  - American Journal of Nano Research and Applications
    JO  - American Journal of Nano Research and Applications
    SP  - 26
    EP  - 32
    PB  - Science Publishing Group
    SN  - 2575-3738
    UR  - https://doi.org/10.11648/j.nano.s.2017050301.17
    AB  - The ultradispersed crystallites (300 – 325 nm) of the acid modified natural clinoptilolite (CL, ν(SiO2)/ν(AI2O3) = 8.9) from Dzegvi (Georgia) deposit with the use of simplest method – of the indirect effect of ultrasound – were prepared. Under the influence of ultrasound the happening changes of structure and the sizes of clinoptilolite particles are shown, by the XRD, FTIR spectroscopy and by means of laser particle size analyzer, respectively. Catalytic activities of the initial acid form of the clinoptilolite (H–CL, ν(SiO2)/ν(AI2O3) = 23.3) and its form processed by ultrasound (H–CL (UlS)) in reaction of esterification of salicylic acid by methanol into methyl salicylate were compared. The indirect irradiation with ultrasound of acid form of clinoptilolite has led to sharp improve its catalytic properties in the formation of methyl salicylate. The best catalytic performance is achieved with ultrasound treated catalyst. The conversion of the salicylic acid and the selectivity to methyl salicylate on H–CL (UlS) were very high, 90 and 95%, respectively, at 120°C.
    VL  - 5
    IS  - 3-1
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Author Information
  • P. Melikishvili Institute of Physical & Organic Chemistry, I. Javakhishvili Tbilisi State University, Tbilisi, Georgia

  • P. Melikishvili Institute of Physical & Organic Chemistry, I. Javakhishvili Tbilisi State University, Tbilisi, Georgia

  • P. Melikishvili Institute of Physical & Organic Chemistry, I. Javakhishvili Tbilisi State University, Tbilisi, Georgia

  • Laboratory of Chemical Technologies, I. Vekua Suchumi Institute of Physics & Technology, Tbilisi, Georgia

  • P. Melikishvili Institute of Physical & Organic Chemistry, I. Javakhishvili Tbilisi State University, Tbilisi, Georgia

  • Department of Physical & Analytical Chemistry, I. Javakhishvili Tbilisi State University, Tbilisi, Georgia

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