Batch and fixed bed adsorption of levofloxacin on granular activated carbon from date ( Phoenix dactylifera L ) stones by KOH chemical activation

Highlights • KOH activated carbon (KAC) was prepared from date stones. • Levofloxacin (LEV) was adsorbed on KAC in batch and continuous modes. • Effects of variables on isotherms and breakthrough curves were illustrated. • High LEV capacity was reported by best Langmuir isotherm. • Thomas and Yoon–N...

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Veröffentlicht in:	Environmental toxicology and pharmacology 2017-03, Vol.50, p.159-166
Hauptverfasser:	Darweesh, Teeba M, Ahmed, Muthanna J
Format:	Artikel
Sprache:	eng
Schlagworte:	Activated carbon Adsorption Antibiotics Biomass Charcoal - chemistry Chemicals Correlation analysis Electron microscopes Emergency Flow rates Flow velocity Fourier transforms Fruits Infrared analysis Infrared spectroscopy Levofloxacin Levofloxacin - analysis Microscopy, Electron, Scanning Phoeniceae - chemistry Phoenix dactylifera Pollutants Potassium hydroxide Scanning electron microscopy Spectroscopy, Fourier Transform Infrared Water Pollutants, Chemical - chemistry Water Purification - methods
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Beschreibung
Zusammenfassung:	Highlights • KOH activated carbon (KAC) was prepared from date stones. • Levofloxacin (LEV) was adsorbed on KAC in batch and continuous modes. • Effects of variables on isotherms and breakthrough curves were illustrated. • High LEV capacity was reported by best Langmuir isotherm. • Thomas and Yoon–Nelson models were appropriate for LEV-KAC system.
ISSN:	1382-6689 1872-7077
DOI:	10.1016/j.etap.2017.02.005