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Materials 2019, 12(6), 882; https://doi.org/10.3390/ma12060882

Preparation of Sludge-Derived Activated Carbon by Fenton Activation and the Adsorption of Eriochrome Black T

School of Environment and Architecture, University of Shanghai for Science and Technology, Shanghai 200093, China
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Received: 20 February 2019 / Revised: 11 March 2019 / Accepted: 12 March 2019 / Published: 16 March 2019
(This article belongs to the Section Carbon Materials)
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Abstract

Sludge-derived activated carbon (SAC) was prepared by Fenton activation and calcination, and used as adsorbent to eliminate Eriochrome Black T (EBT) dye from aqueous media. The characterization results indicated that the produced SAC had a porous structure, high specific surface area, and abundant functional groups on its surface. The adsorption process was affected by pH, adsorbent dosage, time, and temperature. The adsorption capacity increased with temperature, and the highest adsorption capacity reached 178.2 mg·g−1 in 48 h at 318 K and pH 6. The results of the adsorption isotherm, kinetic, and thermodynamic analyses revealed that the adsorption of EBT onto SAC was naturally endothermic and spontaneous, involved both physical and chemical processes, and belonged mostly to the multilayer type of adsorption. View Full-Text
Keywords: Fenton; sludge-derived activated carbon; adsorption; Eriochrome Black T Fenton; sludge-derived activated carbon; adsorption; Eriochrome Black T
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Wen, H.; Zhang, D.; Gu, L.; Yu, H.; Pan, M.; Huang, Y. Preparation of Sludge-Derived Activated Carbon by Fenton Activation and the Adsorption of Eriochrome Black T. Materials 2019, 12, 882.

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