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Adsorption of methylene blue on cardboard-based activated carbons treated with zinc chloride and potassium hydroxide

Ahmad Zaini, Muhammad Abbas and Sato, Kazumasa and Amano, Yoshimasa and Machida, Motoi (2018) Adsorption of methylene blue on cardboard-based activated carbons treated with zinc chloride and potassium hydroxide. Journal of Environmental Chemistry, 28 (4). pp. 157-161. ISSN 1882-5818

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Official URL: https://doi.org/10.5985/jec.28.157

Abstract

Activated carbons were derived from cardboard by carbonization, ZnCl2 activation and KOH activation. The ZnCl2- activated carbon samples showed a higher removal of methylene blue from water. The ZnCl2-activated carbon prepared at 600℃ (CB-Z_600) showed a greater adsorption amount of 227 mg/g, that would be directly associated with its well-developed pore properties compared with the other carbon samples. Among several experimental factors examined, the surface area was found to be the most influential factor for methylene blue adsorption onto the prepared activated carbons. It was also revealed that the methylene blue adsorption data were fitted well with the pseudo-second-order kinetics model and Langmuir isotherm model.

Item Type:Article
Uncontrolled Keywords:activated carbons
Subjects:T Technology > TP Chemical technology
Divisions:Chemical and Energy Engineering
ID Code:82351
Deposited By: Siti Nor Hashidah Zakaria
Deposited On:30 Sep 2019 17:00
Last Modified:27 Nov 2019 12:10

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