Adsorption isotherms and kinetic studies for the removal of toxic reactive dyestuffs from contaminated water using a viologen-based covalent polymer

A polyviologen-based adsorbent was prepared via polymerization of a viologen-dialdehyde with a hydroxyl-substituted aryl-dihydrazide in acidified water. The viologen-based covalent polymer aerogel was then generated by freeze-drying. The adsorption of Reactive Blue 19 (RB19) dye onto this viologen-b...

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Veröffentlicht in:	New journal of chemistry 2021-10, Vol.45 (4), p.18983-18993
Hauptverfasser:	Nour, Hany F, Abdel Mageid, Randa, Radwan, Emad K, Khattab, Tawfik A, Olson, Mark A, El Malah, Tamer
Format:	Artikel
Sprache:	eng
Schlagworte:	Acidification Adsorbents Adsorption Aerogels Aqueous environments Aqueous solutions Cations Chemical composition Covalence Dispersion Dyes Electron microscopy Energy dispersive X ray spectroscopy Fourier transforms Infrared analysis Infrared spectroscopy Isotherms Microscopy Morphology Nanoparticles Polymers Spectrum analysis Surface chemistry Thermal stability
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