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Grey water footprint of contaminants of emerging concern from wasterwater in Sava River basin
ID Ansorge, Libor (Author), ID Stejskalová, Lada (Author), ID Soldán, Přemysl (Author)

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Abstract
Water pollution by contaminants of emerging concern (CECs) causes risks to both the environment and human health. We assessed water pollution by CECs in the Sava River basin in two monitoring campaigns carried out in May and July 2017. The grey water footprint (GWF) is a tool that converts the level of pollution by particular substances into the volume of water needed for dilution to a harmless level. Therefore, it can serve as an indicator for comparing various pollutants. The results show that substances that determine the GWF differ in individual locations. The highest value of the GWF was associated with 17β-estradiol, however, found only in one wastewater sample. The study showed that the value of the GWF in individual locations fluctuates and does not depend on the size of the wastewater treatment plant from which the wastewater is discharged. At selected wastewater treatment plants, a sustainability assessment was carried out using the Water Pollution Level indicator. The values in all cases were below the level of 1.0, indicating sustainable discharge; only in two cases did values reach the defined threshold to question the potential of non-sustainable discharge. The study contributes to earlier studies on the GWF and enlarges knowledge regarding the GWF of CECs.

Language:English
Keywords:contaminants of emerging concern, grey water footprint, micropollutants, Sava River basin, wastewater treatment plants
Work type:Article
Typology:1.01 - Original Scientific Article
Organization:FGG - Faculty of Civil and Geodetic Engineering
Publication status:Published
Publication version:Version of Record
Year:2022
Number of pages:Str. 117-128
Numbering:Vol. 35, no. 63
PID:20.500.12556/RUL-163515 This link opens in a new window
UDC:502.51:628.32(282)(497.4)
ISSN on article:0352-3551
DOI:10.15292/acta.hydro.2022.09 This link opens in a new window
COBISS.SI-ID:210640899 This link opens in a new window
Publication date in RUL:08.10.2024
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Downloads:239
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Record is a part of a journal

Title:Acta hydrotechnica
Publisher:Fakulteta za gradbeništvo in geodezijo
ISSN:0352-3551
COBISS.SI-ID:3664386 This link opens in a new window

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License:CC BY-NC-SA 4.0, Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International
Link:http://creativecommons.org/licenses/by-nc-sa/4.0/
Description:A Creative Commons license that bans commercial use and requires the user to release any modified works under this license.

Secondary language

Language:Slovenian
Title:Sivi vodni odtis novodobnih onesnaževal iz odpadnih vod v porečju Save
Abstract:
Prisotnost novodobnih onesnaževal (NO) v vodi povzroča tveganje za okolje in zdravje ljudi. Onesnaženost vode z NO v porečju reke Save smo ocenjevali na podlagi dveh vzorčenj v okviru monitoringa, izvedenega maja in julija 2017. Sivi vodni odtis pretvori onesnaženost s posameznimi snovmi v količino vode, ki je potrebna za njihovo razredčenje, na neškodljivo raven. Zato lahko služi kot kazalnik za primerjavo različnih onesnaževal. Rezultati meritev kažejo, da se snovi, ki določajo sivi vodni odtis, razlikujejo od lokacije do lokacije. Najvišja vrednost sivega vodnega odtisa je bila povezana s snovjo 17β-estradiol, ki pa je bila ugotovljena le v enem vzorcu odpadne vode. Študija je pokazala, da se vrednosti sivega vodnega odtisa zelo razlikujejo od lokacije do lokacije in niso odvisne od velikosti čistilnih naprav. Za izbrane čistilne naprave je bila izvedena ocena trajnostnosti z uporabo kazalnika stopnje onesnaženosti vode. Vrednosti so bile v vseh primerih pod ravnjo 1,0, ki pomeni trajnostni izpust onesnaženja, v dveh primerih pa sta vrednosti že spadali v območje negotovosti. Študija prispeva k prejšnjim študijam o sivem vodnem odtisu in povečuje znanje o sivem vodnem odtisu pri tej vrsti onesnaženja.

Keywords:novodobna onesnaževala, sivi vodni odtis, mikroonesnaževala, reka Sava, čistilne naprave

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