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  • 1 Universidade Federal da Paraíba Departamento de Química, CCEN João Pessoa Brazil 58.059-900 PB Campus I João Pessoa Brazil 58.059-900 PB Campus I
  • | 2 Universidade Federal do Rio Grande do Norte Departamento de Química, CCET Natal Brazil RN Natal Brazil RN
  • | 3 Universidade Federal do Maranhão Departamento de Química São Luís Brazil MA São Luís Brazil MA
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This work presents the characterization and the kinetic compensation effect of corn biodiesel obtained by the methanol and ethanol routes. The biodiesel was characterized by physico-chemical analyses, gas chromatography, nuclear magnetic resonance and thermal analysis. The physico-chemical properties indicated that the biodiesel samples meet the specifications of the Brazilian National Agency of Petroleum, Natural Gas and Biofuels (ANP) standards. The analyses by IR and 1H NMR spectroscopy indicated the ester formation. Gas chromatography indicated that biodiesel was obtained with an ester content above 97%. The kinetic parameters were determined with three different heating rates, and it was observed that both the methanol and ethanol biodiesel obeyed the kinetic compensation effect.

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