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Abstract The adsorption capacity of mercury ion (Hg2+) using exhausted coffee waste (ECW) was evaluated as a sustainable alternative for the treatment of water contaminated with this metallic ion. The… Click to show full abstract
Abstract The adsorption capacity of mercury ion (Hg2+) using exhausted coffee waste (ECW) was evaluated as a sustainable alternative for the treatment of water contaminated with this metallic ion. The Langmuir isotherm provided the best correlation for the adsorption of Hg2+ by the biomaterial, (31.75 mg g−1). The kinetic studies showed that the adsorption of Hg2+ is fast, it can be adjusted to the pseudo second order model. It was determined that the ECW is an effective adsorbent for the elimination of Hg2+ and that it can be used as a valuable alternative in the treatment of water contaminated by this metal ion.
Journal Title: Sustainable Chemistry and Pharmacy
Year Published: 2018
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