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Removal of pollutants by the new Fenton-like highly active catalysts containing an imidazolium salt and a Schiff base

Paper ID Volume ID Publish Year Pages File Format Full-Text
45163 46401 2016 8 PDF Available
Title
Removal of pollutants by the new Fenton-like highly active catalysts containing an imidazolium salt and a Schiff base
Abstract

•New Fe-based highly active ILs were evaluated as catalysts for pollutants removal.•The ESR experiments point to an efficient formation of 1O2 by the studied catalysts.•CBZ was completely removed over both catalysts.

Two iron-based molten salts comprising an imidazolium and Schiff base were evaluated as catalysts for removal of carbamazepine (CBZ) from water. The catalysts were fully characterized using scanning electron microscopy (SEM), energy-dispersive X-ray spectrometry (EDX), nuclear magnetic resonance spectroscopy (NMR), electrospray ionisation–mass spectrometry (ESI–MS), differential scanning calorimetry (DSC), Fourier transform infrared spectroscopy (FTIR) and nitrogen adsorption–desorption isotherms (BET). Additionally, the formation of photo-sensitized oxygen was investigated by spin-trapping using electron spin resonance (ESR). The catalytic activity in heterogeneous oxidation of the micropollutant (CBZ) was also evaluated. The effects of catalyst loading, pH, H2O2 dosage and UV light on the oxidation of the selected compound were investigated. After 15 min of UVA irradiation in the presence of 200 μM H2O2, CBZ was completely removed over both catalysts.

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Keywords
Fe-based highly active ionic liquids; Characterization of catalysts; Removal of carbamazepine; Singlet oxygen
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Removal of pollutants by the new Fenton-like highly active catalysts containing an imidazolium salt and a Schiff base
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 183, April 2016, Pages 335–342
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
You save - $31
Price after discount Only $4.95
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