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Adsorption of model textile dyes from aqueous solutions using agricultural wastes as adsorbents: equilibrium, kinetics and fixed bed column study

Chakrabarti, Sampa and Chaudhuri, Basab and Dutta, Binay K. (2008) Adsorption of model textile dyes from aqueous solutions using agricultural wastes as adsorbents: equilibrium, kinetics and fixed bed column study. INTERNATIONAL JOURNAL OF ENVIRONMENT AND POLLUTION, 34 (1-4). pp. 261-274. ISSN 0957-4352

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Abstract

Gram husk and groundnut shell are cheap and abundantly available agricultural waste materials in India. A systematic study on the adsorption of some model dyes from aqueous solution on these low-cost adsorbents has been attempted. Model dyes used were Methylene Blue, Rhodamine B, Congo Red, Eosine Y and Metanil Yellow. Equilibrium, kinetics and column experiments were performed. Effects of different process variables have been studied. Equilibrium data fitted well in Langmuir and Freundlich isotherm equations. A model using Freundlich equation has been developed for interpretation of kinetic data. Other models such as Lagergren equation and pseudo second order equation were also used. Of these models, pseudo second order equation was found to be the most satisfactory. Column experiments were carried out with gram-husk and Rhodamine B. The data could be correlated well with BDST model.

Item Type:Article
Impact Factor:0.568
Uncontrolled Keywords:gram husk; groundnut shell; Lagergren; pseudo second order kinetics; BDST model
Subjects:T Technology > TP Chemical technology
Departments / MOR / COE:Departments > Chemical Engineering
ID Code:2327
Deposited By: Prof Dr Binay Kanti Dutta
Deposited On:24 Jun 2010 02:47
Last Modified:19 Jan 2017 08:26

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