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In relation to this article, we declare that there is no conflict of interest.
Publication history
Received July 18, 2021
Accepted October 1, 2021
articles This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Most Cited

Eosin Biosorption from Aqueous Solution on Two Types of Activated Sludge

Laboratoire des Biomatériaux et des Phénomènes de Transferts LBMPT, Université de Médéa, Médéa, 26000, Algérie, Algeria 1Laboratoire des Matériaux et Environnement LME, Université de Médéa, Médéa, 26000, Algérie, Algeria
Korean Chemical Engineering Research, February 2022, 60(1), 80-85(6), 10.9713/kcer.2022.60.1.80 Epub 24 January 2022
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Abstract

In wastewater treatment processes huge quantities of sludge are produced continuously each year. This work investigated the reuse of two types of sludge as biosorbents of a toxic dye. The potential of granular and filamentous fungus dried sludge for the elimination of eosin from aqueous solution was studied in batch system. The effect of initial concentration and temperature was examined. Maximum uptake was observed at 100 mg l-1 and 30 °C. The maximum removal rate was 92% for the granular sludge and 90% for the filamentous one. Equilibrium was attained after 30 min for the studied dye concentrations. The equilibrium uptake increased with the initial eosin concentration. The Freundlich and Langmuir adsorption models were also investigated. The reuse of disposed sludge as adsorbent could be a solution for the valorization of such dangerous waste to resolve two environmental problems at the same time.

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