Adsorption of N-methylated diaminotriphenilmethane dye (malachite green) on natural rarasaponin modified kaolin

Suwandi, Anita Carolina and Indraswati, Nani and Ismadji, Suryadi (2012) Adsorption of N-methylated diaminotriphenilmethane dye (malachite green) on natural rarasaponin modified kaolin. Desalination and Water Treatment, 41 (3). pp. 342-355. ISSN 1944-3994

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Official URL: http://www.tandfonline.com/doi/abs/10.1080/1944399...

Abstract

The modification of kaolin using natural surfactant rarasaponin was studied. The effective- ness of kaolin and rarasaponin-kaolin was evaluated for removal of malachite green (MG) from the aqueous solution. The temperature dependent forms of Langmuir, Freundlich, Sips and Toth model were employed to correlate the adsorption experimental data. Even all iso- therms used in this study, visually can correlate the experimental data well, however Sips model gave consistent and reasonable values of the fitted parameters. Kinetic data were ana- lyzed using pseudo-first- and pseudo-second-order, and pseudo-first-order gave reasonable values of fitted parameters. Thermodynamic properties of adsorption of MG onto kaolin and rarasaponin-kaolin were also obtained in this study.

Item Type: Article
Uncontrolled Keywords: Adsorption, Modification, Kaolin, Rarasaponin-kaolin
Subjects: Engineering > Chemical Engineering
Divisions: Journal Publication
Depositing User: Suryadi. Ismadji
Date Deposited: 26 May 2017 06:05
Last Modified: 19 Jul 2018 06:43
URI: http://repository.wima.ac.id/id/eprint/10778

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