Oxacillin antibiotic removal from aqueous solution using nonionic micellar system or ionic liquid: a comparative study based upon experimental optimization and response surface methodology

Oxacillin antibiotic was removed from aqueous effluents using the biodegradable nonionic surfactant Triton X-114 (TX-114) and the ionic liquid (IL) 1-butyl-3-methylimidazolium hexafluorophosphate ([C4C1im]PF6). The experimental results of oxacillin extraction from aqueous solution according to the s...

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Bibliographic Details
Published in:Euro-Mediterranean journal for environmental integration 2020-12, Vol.5 (3), p.48, Article 48
Main Authors: Habbal, Safia, Boumediene, Haddou, Canselier, Jean P., Kameche, Mostéfa, Gourdon, Christophe
Format: Article
Language:English
Subjects:
Antibiotics
Aquatic Pollution
Aqueous solutions
Atmospheric Protection/Air Quality Control/Air Pollution
Biodegradation
Comparative studies
Earth and Environmental Science
Earth Sciences
Effluents
Environmental Chemistry
Environmental Management
Environmental Science and Engineering
Ionic liquids
Membrane separation
Micelles
Microemulsions
Original Paper
Oxacillin
Oxidation
Penicillin
Pharmaceuticals
Response surface methodology
Sodium sulfate
Surfactants
Temperature
Toxicity
Waste Management/Waste Technology
Waste Water Technology
Water Management
Water Pollution Control
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Summary:Oxacillin antibiotic was removed from aqueous effluents using the biodegradable nonionic surfactant Triton X-114 (TX-114) and the ionic liquid (IL) 1-butyl-3-methylimidazolium hexafluorophosphate ([C4C1im]PF6). The experimental results of oxacillin extraction from aqueous solution according to the surfactant ( X t ) or ionic liquid ( X IL ) concentration and temperature ( T ) were expressed by the following parameters: antibiotic extraction extent ( E %), remaining antibiotic concentration ( X s,w ), residual surfactant ( X t,w ) or ionic liquid ( X IL,w ) concentration in aqueous phase after extraction, and volume fraction of coacervate at equilibrium ( ϕ c ). High extraction yields were reached under optimal conditions: 99% for TX-114 and 89% using [C4C1im]PF6. The concentration of antibiotic in effluent was reduced by about 7-fold and 6-fold using TX-114 and [C4C1im]PF6, respectively. Sodium sulfate addition (3 wt%) increased E % from 20% to 88% at only 2 wt% of TX-114. Finally, solute stripping from the micellar phase using Winsor II microemulsion extraction was investigated. Thereby, 90% of the TX-114 in the micelle-rich phase was separated into the organic phase (Om).
ISSN:2365-6433
2365-7448
DOI:10.1007/s41207-020-00192-w