2020
DOI: 10.21577/1984-6835.20200111
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Use of Organic Waste from Coffee Capsules in the Adsorption of Cu(II), Co(II), Ni(II) and Cd(II) Ions in Aqueous Systems

Abstract: The present work aims to use organic residues of coffee capsules as adsorbent material for adsorption of Cu(ІІ), Co(ІІ), Ni(ІІ) and Cd(ІІ) ions in aqueous systems. In order to know the properties of the adsorbent, it was subjected to characterization by dispersive energy X-ray fluorescence (EDXRF), Absorption Spectroscopy in the Infrared Region (IR) and determination of pH at the Zero Charge Point (pHPCZ). The analysis by EDXRF after the adsorption procedure revealed an increase in the intensity of the peaks r… Show more

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