Abstract:Orange peel powder was activated using different methods and was used to remove Tartrazine (E102) from an aqueous solution. The following three adsorbents were synthetized: orange peel powder activated thermally (POAT), orange peel powder activated with sulfuric acid (POAA), orange peel powder activated with soda (POAS). These adsorbents were then characterized by Fourier Transform Infra-Red Spectrometry (FTIR), Raman spectroscopy, powder X-Ray Diffraction (XRD), and point-of-zero charge. The experimental para… Show more
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