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Study on the synthesis and application of mesoporous nanocrystal HZSM-5 for the catalytic cracking of used cooking vegetable oil in Vietnamese restaurants for green diesel

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Abstract

Mesoporous nanocrystal HZSM-5 were successfully synthesized by hydrothermal crystallization during 24 h, at 130 °C with CTAB and TPABr as the templates. The template removing process of as-synthesized sample was studied by TG/DSC. Characterization by modern techniques as XRD, SEM, TEM and TPD-NH3 has showed that the obtained catalyst is highly crystalline with uniformly nanocrystal size. This product has mesoporous sieves which are neatly ordered with diameters around 30 Å high BET surface area of 495 m2/g and great acidity. These advantages give the mesoporous nanocrytal ZSM-5 catalyst the applicability in the process of cracking waste oil for green fuel due to the shape—selective advantage for large size molecules in waste vegetable oil. The results of waste vegetable oil catalytic cracking reaction has officially confirmed this identification. The production of green diesel has good quality, meets the technical and environmental standards.

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Acknowledgments

This work was financially supported by the National Foundation for Science and Technology Development, Vietnam (NAFOSTED) under Grant Number 104.05-2013.11.

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Authors and Affiliations

  1. School of Chemical Engineering, C4-306, Hanoi University of Science and Technology, Hanoi, Vietnam

    Hong K. D. Nguyen

  2. School of Chemical Engineering, C4-311, Hanoi University of Science and Technology, No. 1 Dai Co Viet Road, Hanoi, Vietnam

    Ngo T. Dinh

  3. Vietnam National Oil and Gas Group, 18 Lang Ha Street, Ba Dinh, Hanoi, Vietnam

    Nga L. T. Nguyen

  4. School of Chemical Engineering, Hanoi University of Science and Technology, Hanoi, Vietnam

    Don Ta Ngoc

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  1. Hong K. D. Nguyen
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  2. Ngo T. Dinh
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  3. Nga L. T. Nguyen
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  4. Don Ta Ngoc
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Correspondence to Hong K. D. Nguyen.

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Nguyen, H.K.D., Dinh, N.T., Nguyen, N.L.T. et al. Study on the synthesis and application of mesoporous nanocrystal HZSM-5 for the catalytic cracking of used cooking vegetable oil in Vietnamese restaurants for green diesel. J Porous Mater 24, 559–566 (2017). https://doi.org/10.1007/s10934-016-0291-z

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  • DOI: https://doi.org/10.1007/s10934-016-0291-z

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