Pesticide fate during drinking water treatment determined through passive sampling combined with suspect screening and multivariate statistical analysis

Water Research, Journal Year: 2022, Volume and Issue: 222, P. 118865 - 118865

Published: July 14, 2022

Emerging contaminants such as polar pesticides pose a potential risk to human health due their presence in drinking water. However, occurrence and fate water treatment plants is poorly understood. In this study we use passive sampling coupled suspect screening multivariate analysis describe pesticide throughout the stream of an operational plant. ChemcatcherÒ devices were deployed at sites (n = 6) positioned all stages during consecutive deployments 20) over twelve-month period. Sample extracts 120) analysed using high-resolution liquid chromatography-quadrupole-time-of-flight mass spectrometry compounds identified against commercially available database. A total 58 transformation products from different classes detected. Statistical qualitative data was performed identify clusters with similar ozonation, granular activated carbon (GAC) filtration, chlorination. The performance each process investigated. Adsorption GAC media found account for greatest proportion attenuation (average removal 70% based on detection frequency), however, varied certain periods episodic sustained pollution. breakthrough occurred 21 detected filtrate. Eleven occur potable following treatment. We developed management plan containing controls, triggers, responses, five metabolite (atrazine, atrazine desethyl, DEET, dichlorobenzamide, metazachlor, propyzamide) prioritised current future treated quality.

Language: Английский

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Monitoring Pharmaceuticals and Personal Care Products in Drinking Water Samples by the LC-MS/MS Method to Estimate Their Potential Health Risk

Molecules, Journal Year: 2023, Volume and Issue: 28(15), P. 5899 - 5899

Published: Aug. 5, 2023

(1) The occurrence and accumulation of pharmaceuticals personal care products in the environment are recognized scientific concerns. Many these compounds disposed an unchanged or metabolized form through sewage systems wastewater treatment plants (WWTP). WWTP processes do not completely eliminate all active substances their metabolites. Therefore, they systematically leach into water system increasingly contaminating ground, surface, drinking water, representing a health risk largely ignored by legislative bodies. Especially during COVID-19 pandemic, significantly larger amount medicines protective were consumed. It is therefore likely that contamination sources has increased, case groundwater with delayed effect. As result, it necessary to develop accurate, rapid, easily available method applicable routine screening analyses potable monitor estimate potential risk. (2) A multi-residue UHPLC-MS/MS analytical designed for identification 52 pharmaceutical was developed used presence water. (3) optimized achieved good validation parameters, recovery 70-120% most analytes repeatability achieving results within 20%. In real samples at least one analyte above limit determination detected each 15 tap analyzed. (4) These findings highlight need legislation address environment.

Language: Английский

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Pharmaceutical active compounds at drugs manufacturing wastewater: A review

Environmental Nanotechnology Monitoring & Management, Journal Year: 2023, Volume and Issue: 20, P. 100870 - 100870

Published: Aug. 12, 2023

Language: Английский

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A comprehensive review on monitoring and purification of water through tunable 2D nanomaterials

Brazilian Journal of Biology, Journal Year: 2023, Volume and Issue: 83

Published: Jan. 1, 2023

Abstract Instead of typical household trash, the heavy metal complexes, organic chemicals, and other poisons produced by huge enterprises threaten water systems across world. In order to protect our drinking from pollution, we must keep a close eye on situation. Nanotechnology, specifically two-dimensional (2D) nanomaterials, is used in certain wastewater treatment systems. Graphene, g-C3N4, MoS2, MXene are just few examples emerging 2D nanomaterials that exhibit an extraordinary ratio surface (m3), providing material consumption, time technique for cleaning observing water. this post, we'll talk about ways which may be tuned perform functions, namely how they can management. The following quick overview nanostructured materials its possible use management: Also discussed length applications purification, including pollutant adsorption, filtration, disinfection, photocatalysis. Fluorescence sensors, colorimetric, electrochemical, field-effect transistors only some devices being studied their potential monitoring quality using nanomaterials. Utilizing content has benefits pitfalls when New developments fast-expanding business will boost accessibility response rising awareness need clean, fresh among future generations.

Language: Английский

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Screening of pharmaceuticals and personal care products in the water environment of a region diversified in land use and urban development (Silesian Province, southern Poland)

Journal of Hydrology, Journal Year: 2024, Volume and Issue: 635, P. 131191 - 131191

Published: April 6, 2024

Language: Английский

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