Determination of organic microcontaminants in agricultural soils irrigated with reclaimed wastewater: Target and suspect approaches
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Martínez Piernas, Ana Belén; Plaza Bolaños, Patricia; García-Gómez, Elisa; Fernández Ibáñez, Pilar; Agüera López, Ana MaríaFecha
2018Resumen
Water scarcity is a problem worldwide, affecting specially countries with desert/semi-desert areas and low/irregular rainfall. In this context, reuse of reclaimed wastewater (RWW) for agricultural irrigation is undoubtedly a key strategy to reduce fresh water consumption. It is well-known that current wastewater treatments do not effectively remove organic microcontaminants (OMCs), and research in water analysis of OMCs is extensive. However, the focus on agricultural soils irrigated with RWW as potential recipients of OMCs and potential sources of OMCs to crops is still in their beginnings. This study aims to apply a target and a suspect approach for the multi-residue monitoring of OMCs in agricultural soils and a soilless subtract, both irrigated with RWW for more than ten years. The study involved, firstly, the development and validation of an extraction method for target analysis of 73 OMCs using a QuEChERS-based method and liquid chromatography coupled to quadrupole-linear ion tra...
Palabra/s clave
Liquid chromatography
Mass spectrometry
Organic microcontaminants
Soil
Wastewater reuse
Suspect analysis