Journal
JOURNAL OF CHEMICAL AND ENGINEERING DATA
Volume 60, Issue 11, Pages 3382-3391Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.jced.5b00645
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Funding
- University Grant Commission (UGC), India
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In this study, polyaniline-coated filter papers PANT (ES)-FP and PANT (EB)-FP have been synthesized by chemical oxidation polymerization. This is a cost-effective and simple method of preparing PANI film on an inexpensive filter paper. The PANT coated filter papers were characterized by UV-vis, IR, thermogravimetric analysis and scanning electron microscopy. These composite materials have been effectively used for adsorption of seven different dyes from aqueous medium. It has been observed that these are good materials for anionic and cationic dye adsorption. Detailed equilibrium and kinetic studies have been reported here by taking Eosin yellow and Methylene blue as anionic and cationic model dyes. The experimental data for Eosin yellow and Methylene blue adsorption were best fitted in Freundlich and Langmuir adsorption models, respectively. The Langmuir adsorption capacity of Eosin yellow and Methylene blue on PANI (ES)-FP and PANT (EB)-FP were 4.3 and 1.3 mg g(-1), respectively, at neutral pH. Adsorption of both dyes follows second order kinetic model.
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