Indian Journal of Science and Technology
Year: 2020, Volume: 7, Issue: 12, Pages: 1925–1932
Justaman Arifin Karo Karo1*, Seri Bima Sembiring1 , Nimpan Bangun1 and Tjahjono Herawan2
1 Department of Chemistry, Faculty of Mathematics and Natural Sciences, University of Sumatera Utara, Medan and Researcher in Agency Research and Standardization Industry Medan 20215; [email protected]
2 Researcher in Indonesian Oil Palm Research Institute, Medan 20158
Adsorption and desorption of carotenoids from crude palm oil (CPO) has been performed in ethanol, using five types of adsorbents M-Polystyrene Sulfonate or M-PSS ( M = Na, Mg, Ca, Sr, and Ba ) which is Sulfonate salts. NaPSS first adsorbents is made by neutralizing a solution of polystyrene sulfonic acid with acetyl sulfate. Four other M-PSS adsorbents are made from a reaction between Na-PSS with each salt MgCl2 , CaCl2 , SrCl2 and BaCl2 . The five adsorbents are characterized by Melting Point Apparatus (MPA), Spectrophotometry Atomic Absorption (SAA), Transform Infra Red Spectrometer (TIRS), Scanning Electron Microscope (SEM), Surface Area Analyzer with Brunauer Emmet Teller (BET) and Transmission Electron Microscope (TEM). The treatment resulted in the adsorption 100%, desorption 78.75% and the carotenoids recovered 78.75%.
Keywords: CPO, Carotenoids, Polystyrene Sulfonate, Adsorption, Desorption, Recovery.
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