Evans blue removal from wastewater by rarasaponin – bentonite

Chandra, I.K. and Ju, Y.H. and Ayucitra, A. and Ismadji, Suryadi (2013) Evans blue removal from wastewater by rarasaponin – bentonite. International Journal of Environmental Scienc and Technology, 10. pp. 359-370. ISSN p.1735-1472; int.1735-2630

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Official URL: https://link.springer.com/article/10.1007/s13762-0...

Abstract

Abstract The feasibility of natural bentonite and rarasaponin–bentonite for Evans blue removal from aqueous solution was studied. Rarasaponin is a natural surfactant obtained from Sapindus rarak DC was used as modifying agent for natural bentonite modification. Adsorption experiments were conducted in a batch system at various temperatures. Several temperature-dependent isotherm models (Langmuir, Freundlich, Sips and Toth) were used to represent equilibrium data. It was found that Toth model represents the adsorption equilibrium data better than other models. Kinetic data were best represented by the pseudofirst order model. The controlling mechanism of the adsorption of Evans blue onto natural bentonite and rarasaponin–bentonite was physical adsorption.

Item Type: Article
Uncontrolled Keywords: Bentonite, Modification, Adsorption, Rarasaponin
Subjects: Engineering > Chemical Engineering
Divisions: Journal Publication
Depositing User: Suryadi. Ismadji
Date Deposited: 24 May 2017 07:30
Last Modified: 19 Jul 2018 07:16
URI: http://repository.wima.ac.id/id/eprint/10706

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