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http://hdl.handle.net/11547/11271
Title: | Cleaning of pesticides from aqueous solution by a newly synthesized organoclay |
Authors: | Baysal, Gulay |
Keywords: | P-NITROPHENOL ADSORPTION |
Issue Date: | 2019 |
Series/Report no.: | 45;3 |
Abstract: | In the present study, the novel quaternary ammonium salt (QAS(+)), 1-methyl-di-octyl-1 phenyl ammonium iodide (QAS(1)), was synthesized by complete alkylation reaction. Sodium montmorillonite (Mt) was modified via an ion-exchange reaction with QAS(1)(+). The modified material and quarternary ammonium salt (Mt(1) and QAS(1)) were analyzed by nuclear magnetic resonance (NMR), Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD) and scanning electron microscopy (SEM). Removal capacity of hydrophobic organic pollutants such as 4-nitrophenol (4-NP) and 2,4-dinitrophenol (2,4-DNP) from solution media of synthesized organoclay was evaluated. The optimum conditions and batch kinetics of adsorption of 4-nitrophenol and 2,4-dinitrophenol from aqueous solutions are reported. It was shown that the adsorption capacity decreased in the order 4-NP> 2,4-DNP. The total mass loss during the drying process was 66% and 78%, respectively. Thermodynamic parameters enthalpy (Delta H-0) and entropy (Delta S-0) and the mean free energy (E) for the adsorption of nitrophenol compounds (NCP) were determined. |
URI: | http://hdl.handle.net/11547/11271 |
ISSN: | 2083-4772 2083-4810 |
Appears in Collections: | Web Of Science |
Files in This Item:
File | Description | Size | Format | |
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Archives vol 45 no 3__3.pdf | 925.56 kB | Adobe PDF | View/Open |
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