Ni/CeO2 as catalyst for glycerol hydrogenolysis without external H2 supply: the role of synthesis conditions

  • Clara Jarauta Córdoba Grupo de Procesos Termoquímicos (GPT), Instituto de Investigación en Ingeniería de Aragón (I3A), Universidad de Zaragoza
  • Lucía García Nieto Grupo de Procesos Termoquímicos (GPT), Instituto de Investigación en Ingeniería de Aragón (I3A), Universidad de Zaragoza
  • Jesús Arauzo Pérez Grupo de Procesos Termoquímicos (GPT), Instituto de Investigación en Ingeniería de Aragón (I3A), Universidad de Zaragoza
  • Joaquín Ruiz Palacín Thermo-chemical Processes Group (GPT), Aragon Institute for Engineering Research (I3A), Universidad de Zaragoza
  • Miriam Oliva Alcubierre Thermo-chemical Processes Group (GPT), Aragon Institute for Engineering Research (I3A), Universidad de Zaragoza

Resumen

Aqueous phase processes at high pressure are considered one of the most promising thermochemical processes to valorize wet residual streams, in order to produce value-added chemicals. Among them, glycerol hidrogenolysis (HG) has been intensely studied. Although many different catalytic systems for HG have been studied in the last years, the Ni/CeO2 catalytic system has not been so deeply performed in liquid phase. 

This work studies the hydrogenolysis of glycerol without external H2 supply as a pathway to obtain value-added chemicals using Ni/CeO2 catalysts. Different synthesis parameters were changed, in order to determine their influence on the catalytic activity. In this process, 1,2–propanediol and ethylene glycol are produced, compounds which are valuable due to their use in chemical synthesis, antifreeze fluids, and others.

Publicado
2018-05-25