Fate and transport of carbamazepine in soil aquifer treatment (SAT) infiltration basin soils

Gilboa Arye, Ishai Dror, Brian Berkowitz

Research output: Contribution to journalArticlepeer-review

58 Scopus citations


The transport and fate of the pharmaceutical carbamazepine (CBZ) were investigated in the Dan Region Reclamation Project (SHAFDAN), Tel-Aviv, Israel. Soil samples were taken from seven subsections of soil profiles (150cm) in infiltration basins of a soil aquifer treatment (SAT) system. The transport characteristics were studied from the release dynamics of soil-resident CBZ and, subsequently, from applying a pulse input of wastewater containing CBZ. In addition, a monitoring study was performed to evaluate the fate of CBZ after the SAT. Results of this study indicate adsorption, and consequently retardation, in CBZ transport through the top soil layer (0-5cm) and to a lesser extent in the second layer (5-25cm), but not in deeper soil layers (25-150cm). The soluble and adsorbed fractions of CBZ obtained from the two upper soil layers comprised 45% of the total CBZ content in the entire soil profile. This behavior correlated to the higher organic matter content observed in the upper soil layers (0-25cm). It is therefore deduced that when accounting for the full flow path of CBZ through the vadose zone to the groundwater region, the overall transport of CBZ in the SAT system is essentially conservative. The monitoring study revealed that the average concentration of CBZ decreased from 1094±166ngL-1 in the recharged wastewater to 560±175ngL-1 after the SAT. This reduction is explained by dilution of the recharged wastewater with resident groundwater, which may occur as it flows to active reclamation wells.

Original languageEnglish
Pages (from-to)244-252
Number of pages9
Issue number2
StatePublished - 1 Jan 2011
Externally publishedYes


  • Carbamazepine
  • Soil aquifer treatment (SAT)
  • Transport
  • Wastewater

ASJC Scopus subject areas

  • Environmental Engineering
  • Environmental Chemistry
  • Chemistry (all)
  • Pollution
  • Health, Toxicology and Mutagenesis


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