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Potenziale catalitico delle perovskiti nella produzione di biodiesel
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ISBN10: 620748987X
ISBN13: 9786207489879
Publisher: Edizioni Sapienza
Published: Apr 29 2024
Pages: 84
Weight: 0.30
Height: 0.20 Width: 6.00 Depth: 9.00
Language: Italian
ISBN13: 9786207489879
Publisher: Edizioni Sapienza
Published: Apr 29 2024
Pages: 84
Weight: 0.30
Height: 0.20 Width: 6.00 Depth: 9.00
Language: Italian
Questo lavoro ha studiato la sintesi, la caratterizzazione strutturale e spettroscopica e l'analisi del potenziale catalitico di catalizzatori di perovskite SrTiO3 e di perovskiti doppie Sr1-xKxTiCux/2O3, dove x = 0,2, 0,3 e 0,5, nella preparazione di biodiesel attraverso la via etilica. Sulla base della struttura ospite del titanato di stronzio SrTiO3, sono state studiate soluzioni solide contenenti atomi di rame e potassio con le seguenti stechiometrie: Sr0,8K0,2TiCu0,1O3, Sr0,7K0,3TiCu0,15O3 e Sr0,5K0,5TiCu0,25O3, preparate per sintesi chimica con il metodo Modified Polyol. Lo studio catalitico è stato condotto utilizzando la catalisi eterogenea, con le nanoparticelle aggiunte a una soluzione contenente olio vegetale e alcol etilico. Il processo di transesterificazione è stato condotto in un reattore su scala di laboratorio, sviluppato presso il LaCCeF, con un sistema di agitazione e temperatura controllata. In questo processo, i principali prodotti formati sono stati il biodiesel e il glicerolo residuo. Durante gli esperimenti sono stati controllati i parametri del processo, come il tempo di reazione, la concentrazione di catalizzatore, la temperatura e il grado di agitazione. Al termine della reazione è stato possibile filtrare il biodiesel.
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