Synthesis and Characterization of Diethanolamide (Surfactant) from Cao/Zeolite-Catalysed Used Cooking Oil

  • Warni Lusiana Departement of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Gadjah Mada, Indonesia
  • Asma Nadia Departement of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Gadjah Mada, Indonesia
  • Sudiartono Sudiartono Energy Study Center, Universitas Gadjah Mada, Indonesia
  • Poedji Loekitowati Hariani Departement of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Sriwijaya, Indonesia
  • Ani Setyopratiwi Departement of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Gadjah Mada, Indonesia
  • Karna Wijaya Departement of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Gadjah Mada, Indonesia https://orcid.org/0000-0003-1831-3091
Keywords: Amidation, CaO/zeolite Catalyst, Diethanolamide, Surfactant, Used cooking oil

Abstract

Synthesis of diethanolamide (surfactant) from CaO/zeolite-catalysed used cooking oil has been conducted. The results showed that the yields of the reactions between methyl esters and diethanolamine with CaO concentration at 3%, 5%, and 7% were 64.47%, 92.91%, and 87.05%, respectively. The characterization showed that the higher surfactant concentration, the greater the capability of decreasing surface tension. The water-surfactant-pertalite system had an emulsion index of 67%. The new liquid mixture system (water-surfactant-pertalite) was observed for 4 days to investigate the emulsion stability. The CMC and HLB values were 1.5 g/L and 10.59, respectively. These results show that surfactant is applicable as a cleaning solution with a good emulsion stability.

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Synthesis diethanolamide was conducted in three main stages. The first stage was the preparation of CaO/zeolite catalyst, which was done by activating natural zeolite followed by impregnation of CaO into the activated zeolite at concentrations of 3%, 5% dan 7% (w/w). The second stage was synthesis of diethanolamide (surfactant) using methyl esters and diethanolamine with CaO/zeolite catalyst. The last stage was surfactant characterization, including its emulsion stability, surface tension, CMC and HLB values.
Published
2020-08-31
How to Cite
Lusiana, W., Nadia, A., Sudiartono, S., Hariani, P. L., Setyopratiwi, A., & Wijaya, K. (2020). Synthesis and Characterization of Diethanolamide (Surfactant) from Cao/Zeolite-Catalysed Used Cooking Oil . Journal of the Indonesian Chemical Society, 3(2), 81. https://doi.org/10.34311/jics.2020.03.2.81