publication . Other literature type . 2016

Esterification of Glycerol with Acetic Acid over Highly Active and Stable Alumina-based Catalysts: A Reaction Kinetics Study

Rane, S. A.; Pudi, S. M.; Biswas, P.;
Open Access English
  • Published: 01 Jan 2016 Journal: Chemical and Biochemical Engineering Quarterly, volume 30, issue 1 (issn: 0352-9568, eissn: 1846-5153, Copyright policy)
  • Publisher: Croatian Society of Chemical Engineers
The catalytic activity of Cu- or Ni monometallic and Cu-Ni bimetallic (Cu/Ni ratio = 3, 1, 0.33) catalysts supported on γ-Al2O3 and SO42–/γ-Al2O3 catalysts were evaluated for esterification of glycerol. The reactions were performed in a batch reactor under reflux at standard reaction conditions: temperature 110 °C, atmospheric pressure, glycerol to acetic acid molar ratio 1:9, and catalyst loading 0.25 g. The best catalytic activity was observed over 2 M SO42–/γ-Al2O3 catalyst, which showed the glycerol conversion of 97 % within 2 hours of reaction. At this condition, the selectivity to glyceryl monoacetate (MAG), glyceryl diacetate (DAG), and glyceryl triacetat...
free text keywords: glycerol esterification; Cu-Ni bimetallic catalysts; SO42–/γ-Al2O3 catalyst; stability; DAG and TAG selectivity
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