Sorbtion of Aniline onto Organophilic Sepiolite
Department of Chemistry, Science and Art Faculty, Yuzuncu Yil University - 650 80, Van (Turkey).
DOI : http://dx.doi.org/10.13005/msri/040208
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In this study, sepiolite was modified with nitric acid, ethylene diamine tetra acetic acid and hexa decyl trimethyl ammonium. The changes on the surfaces of sepiolite samples were studied in the IR spectroscopy. Pure and modified sepiolite were used as adsorbents. The adsorption of aniline was examined by means of gas chromatography. As the result of these examinations, it was seen that the adsorption capacities of the clay-organic complexes; sepiolite-HDTMA was higher than sepiolite-EDTA. The least adsorption was observed on surface of sepiolite-HNO3. Off all sepiolite-samples it was determined that the pure sepiolite adsorbed the highest amount of aniline.
KEYWORDS:Sepiolite; aniline; adsorption; clay
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764 Accepted on: 12 Nov 2007
