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Mineral balance in water: before and after treatment
KTH, School of Architecture and the Built Environment (ABE), Land and Water Resources Engineering. (KTH-International Groundwater Arsenic Research Group)
KTH, School of Architecture and the Built Environment (ABE), Land and Water Resources Engineering. (KTH-International Groundwater Arsenic Research Group)ORCID iD: 0000-0003-4350-9950
2012 (English)In: Metals and related substances in drinking water: Proceedings of the 4th International Conference, METEAU, LONDON: IWA PUBLISHING , 2012, 116-125 p.Chapter in book (Other academic)
Abstract [en]

The importance of minerals from drinking water is a question of increasing interest. Different treatment methods performed to remove undesirable substances of the water may completely alter the mineral balance of the water. Thus, the measure taken may eliminate one health problem for consumers of the water, but cause new. Softening filters substantially decrease a number of elements and ions, especially the important metal Ca, which is included in the building of bones and teeth, and irreplaceable in the heart and nerve function. In addition, a number of other elements in limestone decrease in concentration, some very important to the human health. The change in element concentrations in three different Swedish municipal water plants, with hard and mineral rich raw water, are reflected in this paper; one without- and two with softening filter. RO (Reverse Osmosis) filters completely de-mineralize water. This may cause de-mineralization of the whole body. No scientific studies on health effects from drinking RO treated drinking water were to be found, even though the method is rapidly increasing in use among the public and on water plants around the world. Thus, the concentrations of metals and ions in one sample of well water with RO filter installed at the kitchen tap is compared to mean levels of mineral elements in acid and alkaline well waters in a study from 2002.

Place, publisher, year, edition, pages
LONDON: IWA PUBLISHING , 2012. 116-125 p.
National Category
Environmental Engineering
Identifiers
URN: urn:nbn:se:kth:diva-119141ISI: 000314479600018OAI: oai:DiVA.org:kth-119141DiVA: diva2:610301
Note

QC 20130311

Available from: 2013-03-11 Created: 2013-03-07 Last updated: 2013-03-11Bibliographically approved

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Bhattacharya, Prosun

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
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  • vancouver
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  • de-DE
  • en-GB
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  • nn-NO
  • nn-NB
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  • Other locale
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Output format
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