Source water quality requirements for artificial groundwater recharge

This study was an investigation of the need for pre-treatment of a new raw water source for artificial groundwater recharge. The study was done through a column test, well sampling and survey data relating to 11 artificial recharge plants in Sweden. The column test showed that only 30% of the natura...

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Autores principales:	K. Hägg, S. Chan, T. Persson, K. M. Persson
Formato:	article
Lenguaje:	EN
Publicado:	IWA Publishing 2021
Materias:	chemical flocculation managed aquifer recharge (mar) natural organic matter (nom) Environmental technology. Sanitary engineering TD1-1066
Acceso en línea:	https://doaj.org/article/3654282b91004ac1ba07eeaac7ab7d25
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spelling	oai:doaj.org-article:3654282b91004ac1ba07eeaac7ab7d252021-11-05T21:17:38ZSource water quality requirements for artificial groundwater recharge1751-231X10.2166/wpt.2021.057https://doaj.org/article/3654282b91004ac1ba07eeaac7ab7d252021-10-01T00:00:00Zhttp://wpt.iwaponline.com/content/16/4/1510https://doaj.org/toc/1751-231XThis study was an investigation of the need for pre-treatment of a new raw water source for artificial groundwater recharge. The study was done through a column test, well sampling and survey data relating to 11 artificial recharge plants in Sweden. The column test showed that only 30% of the natural organic matter (NOM) was removed from the new raw water source during infiltration. The survey revealed that the new water source's quality was within the range requiring pre-treatment prior to infiltration. The well sampling results showed a significant correlation between the NOM content in the raw and treated waters for WTPs without pre-treatment (r = 0.78 and ρ = 0.04), indicating one of the short-term limitations of artificial recharge. The study results indicate that the new raw water source is unsuitable for direct use in artificial recharge and that treatment is required prior to infiltration. HIGHLIGHTS This study shows the synergetic effect of chemical flocculation and managed aquifer recharge (MAR).; NOM removal limitations during artificial recharge were observed.; The investigation showed indications of different treatment efficiencies during MAR depending on NOM composition.; Treatment efficiencies from Swedish water utilities are made available to an international readership.;K. HäggS. ChanT. PerssonK. M. PerssonIWA Publishingarticlechemical flocculationmanaged aquifer recharge (mar)natural organic matter (nom)Environmental technology. Sanitary engineeringTD1-1066ENWater Practice and Technology, Vol 16, Iss 4, Pp 1510-1514 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	chemical flocculation managed aquifer recharge (mar) natural organic matter (nom) Environmental technology. Sanitary engineering TD1-1066
spellingShingle	chemical flocculation managed aquifer recharge (mar) natural organic matter (nom) Environmental technology. Sanitary engineering TD1-1066 K. Hägg S. Chan T. Persson K. M. Persson Source water quality requirements for artificial groundwater recharge
description	This study was an investigation of the need for pre-treatment of a new raw water source for artificial groundwater recharge. The study was done through a column test, well sampling and survey data relating to 11 artificial recharge plants in Sweden. The column test showed that only 30% of the natural organic matter (NOM) was removed from the new raw water source during infiltration. The survey revealed that the new water source's quality was within the range requiring pre-treatment prior to infiltration. The well sampling results showed a significant correlation between the NOM content in the raw and treated waters for WTPs without pre-treatment (r = 0.78 and ρ = 0.04), indicating one of the short-term limitations of artificial recharge. The study results indicate that the new raw water source is unsuitable for direct use in artificial recharge and that treatment is required prior to infiltration. HIGHLIGHTS This study shows the synergetic effect of chemical flocculation and managed aquifer recharge (MAR).; NOM removal limitations during artificial recharge were observed.; The investigation showed indications of different treatment efficiencies during MAR depending on NOM composition.; Treatment efficiencies from Swedish water utilities are made available to an international readership.;
format	article
author	K. Hägg S. Chan T. Persson K. M. Persson
author_facet	K. Hägg S. Chan T. Persson K. M. Persson
author_sort	K. Hägg
title	Source water quality requirements for artificial groundwater recharge
title_short	Source water quality requirements for artificial groundwater recharge
title_full	Source water quality requirements for artificial groundwater recharge
title_fullStr	Source water quality requirements for artificial groundwater recharge
title_full_unstemmed	Source water quality requirements for artificial groundwater recharge
title_sort	source water quality requirements for artificial groundwater recharge
publisher	IWA Publishing
publishDate	2021
url	https://doaj.org/article/3654282b91004ac1ba07eeaac7ab7d25
work_keys_str_mv	AT khagg sourcewaterqualityrequirementsforartificialgroundwaterrecharge AT schan sourcewaterqualityrequirementsforartificialgroundwaterrecharge AT tpersson sourcewaterqualityrequirementsforartificialgroundwaterrecharge AT kmpersson sourcewaterqualityrequirementsforartificialgroundwaterrecharge
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Source water quality requirements for artificial groundwater recharge

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