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Identification of Pharmaceuticals in The Aquatic Environment Using HPLC-ESI-Q-TOF-MS and Elimination of Erythromycin Through Photo-Induced Degradation
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Identification of Pharmaceuticals in The Aquatic Environment Using HPLC-ESI-Q-TOF-MS and Elimination of Erythromycin Through Photo-Induced Degradation

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Lincomycin solar photodegradation, algal toxicity and removal from wastewaters by means of ozonation

Roberto Andreozzi1, Marisa Canterino, Roberto Lo Giudice

  • 1Dipartimento di Ingegneria Chimica, Facoltà di Ingegneria, Università di Napoli Federico II, p.le V.Tecchio 80, 80125-Napoli, Italia.

Water Research
|January 13, 2006
PubMed

Insights

This study investigates lincomycin persistence and algal toxicity in wastewater. Ozonation effectively removes lincomycin, reducing its toxicity to algae.

Area of Science:

  • Environmental Chemistry
  • Ecotoxicology
  • Water Treatment

Background:

  • Antibiotics, like lincomycin, are xenobiotics found in sewage treatment plant (STP) effluents and aquatic environments.
  • Lincomycin is frequently detected in STP effluents due to its widespread clinical use.

Purpose of the Study:

  • To assess the environmental persistence and algal toxicity of lincomycin.
  • To evaluate the efficacy of ozonation in removing lincomycin from water and reducing its toxicity.

Main Methods:

  • Investigated lincomycin persistence and toxicity towards algal strains.
  • Applied ozonation to treat water samples containing lincomycin.
  • Measured the reduction in toxicity of ozonated solutions on S. leopoliensis.
  • Determined kinetic constants for the reaction of lincomycin with ozone and hydroxyl radicals at various pH levels.

Main Results:

  • Ozonation demonstrated the removal of lincomycin from water.
  • A reduction in toxicity of ozonated solutions towards S. leopoliensis was observed after 1 hour of treatment compared to untreated solutions.
  • Kinetic constants for ozone and hydroxyl radical attack on lincomycin were quantified at different pH values.

Conclusions:

  • Ozonation is a viable method for removing lincomycin from contaminated water.
  • Ozonation significantly reduces the ecotoxicity of lincomycin to aquatic algae.
  • Understanding the reaction kinetics aids in optimizing water treatment processes for antibiotic removal.

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