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Title of Journal: Polym Bull

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Abbravation: Polymer Bulletin

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Springer-Verlag

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DOI

10.1007/bf00678379

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1436-2449

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Removal of acidic dye from aqueous solutions using

Authors: Mert Dalaran Serkan Emik Gamze Güçlü Tülin Banu İyim Saadet Özgümüş
Publish Date: 2009/04/18
Volume: 63, Issue: 2, Pages: 159-171
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Abstract

In this study polyDMAEMA–AMPS–HEMA terpolymer/montmorillonite nanocomposite hydrogels were prepared by in situ polymerization technique using 2NNdimethylaminoethyl methacrylate DMAEMA 2acrylamido2methlypropane sulfonic acid AMPS 2hydroxyethyl methacrylate HEMA monomers in clay suspension media NNmethylenebisacrylamide NMBA was used as crosslinker and potassium persulfate/potassium bisulfide were used as initiator and accelerator pair The water absorption capacities and acidic dye indigo carmine adsorption properties of the nanocomposite hydrogels were investigated Adsorption properties of the hydrogels were investigated at different conditions such as different initial dye concentration and contact time The concentrations of the dyes were determined using UV/Vis Spectrophotometer at wavelength 610 nm Langmuir and Freundlich isotherm models were used to describe adsorption data and the results clarified that these models were the bestfit for the adsorption of indigo carmine

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