Comparative hydrogenation of the sunflower oil on platinum and nickel catalysts

  • Kainaubek Toshtay al-Farabi Kazakh National University, Almaty; Kazakh-British Technical University, School of Сhemical Engineering, Almaty
  • Ali Baidildaevich Auyezov al-Farabi Kazakh National University, Almaty
  • Christophe Geantet Institute of Research on Catalysis and Environment of Lyon (IRCELYON), Lyon

Abstract

The paper considers the diatomite-supported platinum catalyst (1.0 wt% Pt/D) synthesized using colloid adsorption method. The catalyst was characterized by X-ray diffraction, N2 adsorption (BET), scanning electron microscopy and transmission electron microscope. The activity of the platinum catalyst was investigated by sunflower hydrogenation at 0.5MPa hydrogen pressure at temperature range from 90°C to 130°C and compared to a commercial Ni catalyst. All of the hydrogenation reactions were terminated at iodine value between approximately 72~86. The results demonstrated that Pt/diatomite catalyst exhibited the highest activity and selectivity at low temperature than the Ni catalyst in hydrogenation processes. Physical characteristics of hydrogenated products such as melting point and solid fat content were also examined.

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Published
2017-09-21
How to Cite
TOSHTAY, Kainaubek; AUYEZOV, Ali Baidildaevich; GEANTET, Christophe. Comparative hydrogenation of the sunflower oil on platinum and nickel catalysts. Chemical Bulletin of Kazakh National University, [S.l.], n. 3, sep. 2017. ISSN 2312-7554. Available at: <https://bulletin.chemistry.kz/index.php/kaznu/article/view/803>. Date accessed: 21 oct. 2017. doi: https://doi.org/10.15328/cb803.
Section
Catalysis and Petrochemistry

Keywords

гидрлеу; күнбағыс майы; Pt/диатомит катализаторы; активтілік; селективтілік; цис-транс изомерлену