Integration of target analyses, non-target screening and effect-based monitoring to assess OMP related water quality changes in drinking water treatment

被引:61
作者
Brunner, Andrea M. [1 ]
Bertelkamp, Cheryl [1 ]
Dingemans, Milou M. L. [1 ]
Kolkman, Annemieke [1 ]
Wols, Bas [1 ]
Harmsen, Danny [1 ]
Siegers, Wolter [1 ]
Martijn, Bram J. [2 ]
Oorthuizen, Wim A. [3 ]
ter Laak, Thomas L. [1 ,4 ]
机构
[1] KWR Water Res Inst, Nieuwegein, Netherlands
[2] PWN Technol, Andijk, Netherlands
[3] Dunea, Zoetermeer, Netherlands
[4] Univ Amsterdam, Amsterdam, Netherlands
关键词
Water quality; Drinking water treatment; HRMS-based non-target screening; Bioassays; Organic micro-pollutants; Target analyses; ADVANCED OXIDATION PROCESSES; HEALTH-RISK ASSESSMENT; WASTE-WATER; ORGANIC MICROPOLLUTANTS; TRANSFORMATION PRODUCTS; SURFACE-WATER; MASS-SPECTROMETRY; AQUEOUS-SOLUTIONS; REVERSE-OSMOSIS; TRIGGER VALUES;
D O I
10.1016/j.scitotenv.2019.135779
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The ever-increasing production and use of chemicals lead to the occurrence of organic micro-pollutants (OMPs) in drinking water sources, and consequently the need for their removal during drinking water treatment Due to the sheer number of OMPs, monitoring using targeted chemical analyses alone is not sufficient to assess drinking water quality as well as changes thereof during treatment. High-resolution mass spectrometry (HRMS) based non-target screening (NTS) as well as effect-based monitoring using bioassays are promising monitoring tools for a more complete assessment of water quality and treatment performance. Here, we developed a strategy that integrates data from chemical target analyses, NTS and bioassays. We applied it to the assessment of OMP related water quality changes at three drinking water treatment pilot installations. These installations included advanced oxidation processes, ultrafiltration in combination with reverse osmosis, and granular activated carbon filtration. OMPs relevant for the drinking water sector were spiked into the water treated in these installations. Target analyses, NTS and bioassays were performed on samples from all three installations. The NTS data was screened for predicted and known transformation products of the spike-in compounds. In parallel, trend profiles of NTS features were evaluated using multivariate analysis methods. Through integration of the chemical data with the biological effect-based results potential toxicity was accounted for during prioritization. Together, the synergy of the three analytical methods allowed the monitoring of OMPs and transformation products, as well as the integrative biological effects of the mixture of chemicals. Through efficient analysis, visualization and interpretation of complex data, the developed strategy enabled to assess water quality and the impact of water treatment from multiple perspectives. Such information could not be obtained by any of the three methods alone. The developed strategy thereby provides drinking water companies with an integrative tool for comprehensive water quality assessment. (C) 2019 The Authors. Published by Elsevier B.V.
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页数:13
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