Ultrasound-assisted removal of tetracycline from aqueous solution by mesoporous alumina

This work describes the removal of tetracycline (TC) from aqueous solution using a mesoporous alumina (meso-Al2O3) as adsorbent in the presence of ultrasonic irradiation. Adsorption of TC was investigated under various operating conditions, including pH, adsorbent dosage, ultrasound power, and initi...

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Bibliographic Details
Published in:Water science and technology 2014-01, Vol.69 (4), p.819-824
Main Authors: HUIYUAN LI, XIN ZHONG, HUI ZHANG, LUOJING XIANG, ROYER, Sebastien, VALANGE, Sabine, BARRAULT, Joel
Format: Article
Language:English
Subjects:
Adsorbents
Adsorption
Aluminum oxide
Aluminum Oxide - chemistry
Anti-Bacterial Agents - chemistry
Antibiotics
Applied sciences
Aqueous solutions
Catalysis
Chemical Sciences
Dosage
Exact sciences and technology
Hydrogen-Ion Concentration
Irradiation
pH effects
Pollution
Radiation
Removal
Tetracycline - chemistry
Time Factors
Ultrasonic imaging
Ultrasonics
Ultrasound
Waste Disposal, Fluid - methods
Water - chemistry
Water Pollutants, Chemical
Water treatment and pollution
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Summary:This work describes the removal of tetracycline (TC) from aqueous solution using a mesoporous alumina (meso-Al2O3) as adsorbent in the presence of ultrasonic irradiation. Adsorption of TC was investigated under various operating conditions, including pH, adsorbent dosage, ultrasound power, and initial TC concentration. The results showed that the rate of TC sorption was enhanced with the assistance of ultrasound. The TC removal increased with the increase in sorbent dosage, pH and ultrasound power, but decreased with the increase in initial TC concentration. The adsorption isotherm data were fitted properly with the Freundlich model under ultrasonic irradiation, and the adsorption process followed a pseudo-second-order kinetic model.
ISSN:0273-1223
1996-9732
DOI:10.2166/wst.2013.784