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Ethylic biodiesel production using mix metal oxides derivated from hydrotalcites doped with Ti and W as solid heterogeneous catalysts

Grant number: 15/26202-4
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): April 01, 2016
Effective date (End): December 31, 2016
Field of knowledge:Physical Sciences and Mathematics - Chemistry
Principal researcher:Mauricio Boscolo
Grantee:Bianca Furukawa de Godoi Passerine
Home Institution: Instituto de Biociências, Letras e Ciências Exatas (IBILCE). Universidade Estadual Paulista (UNESP). Campus de São José do Rio Preto. São José do Rio Preto , SP, Brazil

Abstract

Lamellar double hydroxides (LDH) or hydrotalcites are anionic clays containing carbonate anions intercalated between double hydroxides of magnesium and aluminum lamellae. With the calcination of the hydrotalcite and the subsequent release of CO2, there is the formation of amorphous metal oxides, which have nanoscale pores and can act as catalysts in transesterification reactions because of their Lewis acid-base properties. Thus, the aim of this project is to study the synthesis of mixed oxides doped with high valence metal ions such as W6 + and Ti4 + and how it will influence the activity of the catalyst. Therefore, the synthesis of hydrotalcite will be carried on by co-precipitation followed by its calcination to form their respective oxides. In this context, we seek to improve a technically satisfactory process in terms of high catalytic activity, stability to elements leaching from the solid and high surface area.

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