Sorption and degradation of contaminants of emerging concern in soils under aerobic and anaerobic conditions

The Science of the Total Environment
Miriam Biel-MaesoCarmen Corada-Fernández

Abstract

Large quantities of contaminants of emerging concern (CECs) are susceptible of entering the terrestrial environments through the application of recycled wastewater, manures, and biosolids, resulting in their progressive contamination and possible long-term effects over terrestrial species. Many studies on the environmental fate of CECs focus on aquatic environments and/or wastewater treatment plants, but little is still known about their behavior at environmentally relevant concentrations in agricultural soils. In this study, we evaluated the adsorption and degradation of nine different pharmaceuticals (nadolol, sulfamethizole, sulfamethoxazole, sulfamethopyridazone, carbamazepine, ibuprofen, diclofenac, hydrochlorothiazide, and gemfibrozil) and four artificial sweeteners (acesulfame, saccharin, cyclamate, and sucralose) in two soils under aerobic and anaerobic conditions. The sorption of target compounds in soils fitted well to a Freundlich isotherm model and was relatively low (Kf < 200 L kg-1). Sorption was highest for cyclamate (Kf = 162 L kg-1) and acesulfame (Kf = 156 L kg-1), while lowest sorption coefficients were measured for ibuprofen (Kf = 1-7 L kg-1). All target compounds (except for carbamazepine) were susceptible ...Continue Reading

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Citations

Jul 15, 2020·Environmental Science and Pollution Research International·João Paulo Tenório da Silva SantosCarmem Lucia de Paiva E Silva Zanta
Mar 30, 2020·Environmental Science and Pollution Research International·Inna E Popova, Matthew J Morra
Dec 29, 2020·The Science of the Total Environment·Miriam Biel-MaesoCarmen Corada-Fernández
May 20, 2020·The Science of the Total Environment·Shou-Heng Liu, Wen-Ting Tang
Dec 5, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Sylwia BajkaczEwa Felis
Nov 19, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·José Luis MalvarEsteban Alonso
Mar 6, 2021·Environmental Science and Pollution Research International·Zhiping LiXin Huang
Nov 12, 2020·Journal of Agricultural and Food Chemistry·Mi LiXiaoming Zou

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