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Transfer of trace organic compounds in an operational soil-aquifer treatment system assessed through an intrinsic tracer test and transport modelling

Abstract : Sorption was found to play a role in the transport of TrOCs, notably for oxazepam with a higher linear retardation coefficient value of 2.2, whereas no significant differences of retardation were observed for carbamazepine, tolyltriazole, benzotriazole (1.37, 1.35, 1.36 respectively). Estimated first order degradation rate constants, between 0.03d −1 for carbamazepine and 0.09d −1 for tolyltriazole, were generally high compared to the literature, possibly due to favourable redox conditions and important microbial activities within the system. This study provides evidence of the efficiency of the Agon-Coutainville SAT system for the removal of TrOCs.
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https://hal-brgm.archives-ouvertes.fr/hal-03711370
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Submitted on : Friday, July 1, 2022 - 12:59:54 PM
Last modification on : Wednesday, August 3, 2022 - 4:06:18 AM

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Quentin Guillemoto, Géraldine Picot-Colbeaux, D. Valdes, Nicolas Devau, Frédéric Mathurin, et al.. Transfer of trace organic compounds in an operational soil-aquifer treatment system assessed through an intrinsic tracer test and transport modelling. Science of the Total Environment, Elsevier, 2022, 836, pp.155643. ⟨10.1016/j.scitotenv.2022.155643⟩. ⟨hal-03711370⟩

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