Immobilization of tetracyclines in manure and manure-amended soils using aluminum-based drinking water treatment residuals

Pravin Punamiya, Dibyendu Sarkar, Sudipta Rakshit, Evert Elzinga, Rupali Datta

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

Veterinary antibiotics (VAs) are emerging contaminants of concern in the environment, mainly due to the potential for development of antibiotic-resistant bacteria and effect on microbiota that could interfere with crucial ecosystem functions such as nutrient cycling and decomposition. High levels of VAs such as tetracyclines (TCs) have been reported in agricultural soils amended with manure, which also has the potential to cause surface and groundwater contamination. Several recent studies have focused on developing methods to immobilize VAs such as composting with straw, hardwood chips, commercial biochar, aeration, mixing, heat treatment, etc. The major shortcomings of these methods include high cost and limited effectiveness. In the current study, we assessed the effectiveness of aluminum-based drinking water treatment residuals (Al-WTR) as a “green” sorbent to immobilize TCs in manure and manure-applied soils with varying physicochemical properties by laboratory incubation study. Results show that Al-WTR is very effective in immobilizing tetracycline (TTC) and oxytetracycline (OTC). The presence of phosphate resulted in significant (p < 0.01) decrease in TTC/OTC sorption by Al-WTR, but the presence of sulfate did not. attenuated total reflection (ATR)-FTIR spectroscopy indicate that TTC and OTC likely forming surface complexes via inner-sphere-type bonds in soils, manure, and manure-applied soils amended with Al-WTR.

Original languageEnglish (US)
Pages (from-to)3322-3332
Number of pages11
JournalEnvironmental Science and Pollution Research
Volume23
Issue number4
DOIs
StatePublished - Feb 1 2016

All Science Journal Classification (ASJC) codes

  • Environmental Chemistry
  • Pollution
  • Health, Toxicology and Mutagenesis

Keywords

  • Drinking water treatment residuals
  • Manure
  • Remediation
  • Soil
  • Tetracyclines

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