Study on the structural formation of new useful multiporous material 'nano-meso ZSM-5' and its application in producing biofuel

L.T.H. Nam, N.T.T. Loan, T.Q. Vinh, L.K. Lan, L.Q. Du, V.D.S. Tho, B.L. Su

    Résultats de recherche: Contribution à un journal/une revueArticleRevue par des pairs

    Résumé

    New 'nano-meso ZSM-5' (NM-ZSM-5) material was successfully synthesised by hydrothermal treatment using silica derived from rice husk. The synthesis of the material involves two steps of crystallisation, including the formation of ZSM-5 zeolite seed and mesoporous structure. The effect of crystallisation time on the formation of mesoporous structure was studied in the range 0-40 h. Samples were characterised by X-ray diffraction, infrared spectroscopy, transmission electron microscopy, Brunauer-Emmett-Teller and Al-NMR methods. The results show that the best time for crystallisation is 14 h. The synthesised material has a multiporous structure, including micropore system of ZSM-5 zeolite, mesopore system of MCM-41 and another pore system which has a diameter in the range 10-50 nm (mesoporous system) due to the burning of organic compounds that remain in the material during the calcination process. In addition, the synthesised NM-ZSM-5 achieves crystallinity of approximately 100%. The catalytic performance of NM-ZSM-5 material was evaluated by the catalytic cracking reaction to produce biofuel from vegetable oil sludge. The research proved that NM-ZSM-5 is one of the most suitable catalysts for this process. The catalytic cracking reaction over NM-ZSM-5 yields products that are similar to those of the petroleum cracking process, such as dry gases, liquefied petroleum gas, gasoline, light cycle oil and heavy cycle oil.
    langue originaleAnglais
    Pages (de - à)298-309
    Nombre de pages12
    journalJournal of Experimental Nanoscience
    Volume7
    Numéro de publication3
    Les DOIs
    Etat de la publicationPublié - 1 mai 2012

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