Browsing by Author "Valencia Castro, Jessica Andrea"
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Item Aprovechamiento de alcohol fusel en la obtención de productos de valor agregado utilizando perovskitas como catalizadores(Universidad Santiago de Cali, 2024) Valencia Castro, Jessica Andrea; Orduña Ortega, Julieth (Directora); Mora Vargas, Jorge Andrés (Codirector)At present, the quest for renewable carbon sources to generate energy and high-value products has seen a significant rise, particularly those enabling the extraction of chemical components traditionally derived from fossil fuels. Industrial processing of sugarcane yields various renewable materials, including fusel alcohol, offering the potential for conversion into valuable compounds. The catalytic conversion of fusel alcohol (mixture of different alcohols with C3 to C5) using the Guerbet reaction has not yet been widely explored, however, some of its components have already been used as starting material for this reaction using different catalysts. Thus, this work was aimed at the conversion of fusel alcohol by the Guerbet reaction using perovskite-type oxides of La (III) as cation A and Zn (II) or Ni (II) as cation B. The oxides were obtained by the calcination of their precursors synthesized by the coprecipitation method and were well characterized by infrared spectroscopy (IR), X-ray diffraction (DRX), and thermogravimetric analysis (TGA). The TGA curves showed the complete decomposition of the precursors at 900 °C in 4 hours. XRD patterns confirm the formation of the perovskite phase. In addition, IR spectra of the synthesized materials show vibrations indicating the presence of Ni-O and Zn-O bonds. In the catalytic conversion of fusel alcohol, different groups of compounds were obtained, such as alcohols, esters, ethers, and ketones.