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Construction of H3PMo12O40@EB-COF for Biodiesel Preparation by Heterogeneous Catalytical Esterification of Oleic Acid and Rapeseed Oil

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Abstract

To develop higher efficient heterogeneous solid acid catalyst for biodiesel production, H3PMo12O40 is impregnated in the covalent framework EB-COF forming composite of H3PMo12O40@EB-COF. The structure and composition of H3PMo12O40@EB-COF are characterized by FT-IR, TGA, XPS, SEM-EDX and N2 adsorption/desorption isotherms. The successful immobilization of H3PMo12O40 on the covalent framework EB-COF resulted in the uniformly distribution and heterogeneity of H3PMo12O40 in the porous EB-COF. Upon H3PMo12O40@EB-COF is applied as a heterogeneous acidic catalyst for the esterification reactions of oleic acid, it exhibited excellent catalytic activity with good recyclability under optimal conditions. The strikingly catalytical performance is attributed to uniformly distribution of catalytical site H3PMo12O40 and flexible covalent framework of EB-COF. Furthermore, the catalyst can catalyze the esterification of rapeseed oil with industrial application conversion rate of 85%. To the best of our knowledge, it is the first example that POMs@COFs catalyze commercially available vegetable oil for biodiesel preparation with competitive conversation.

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This work was financially supported by the Reform and Development Fund Project of Local University, supported by the Central Government, Heilongjiang Provincial Government and Heilongjiang University.

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  1. Key Laboratory of Functional Inorganic Material Chemistry (MOE), School of Chemistry and Materials Science, Heilongjiang University, 150080, Harbin, People’s Republic of China

    Yunlong Zhao & Guangming Li

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Yunlong Zhao: Investigation and writing original draft. Guangming Li: Conceptualization, review, editing and funding acquisition.

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Zhao, Y., Li, G. Construction of H3PMo12O40@EB-COF for Biodiesel Preparation by Heterogeneous Catalytical Esterification of Oleic Acid and Rapeseed Oil. J Inorg Organomet Polym (2023). https://doi.org/10.1007/s10904-023-02932-1

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