Fast and efficient removal of alizarin yellow dye (Azo dye) from water and wastewater samples using modified nanoclay
Keywords:
Alizarin yellow;Isotherm;Montmorillonite;Nanoclay;RemovalAbstract
A fast and efficient method has been developed for removal of Alizarin Yellow dye using modified nanoclay. Montmorillonite (MMT) was modified by a facile and one-step procedure with diethylenetriamine (DETA) and was used as an adsorbent. The effects of pH value of the dye solution, adsorbent dose, adsorption time and the initial dye concentration on the Alizarin Yellow adsorption onto the composite were investigated. The DETA-MMT had a high uptake capacity in room temperature and could remove Alizarin Yellow dye of about 85 % with 6 g/L of adsorbent, in only 2 min. Langmuir and Freundlich isotherms were employed for the study of the adsorption of Alizarin Yellow dye onto DETA-MMT. The method was applied to the removal of Alizarin Yellow in different tap water, river water and industrial wastewater samples.
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Copyright (c) 2014 Shahla Elhami, Hadis Drikvandi
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