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Sorption of humic substances on aquifer material at artificial recharge of groundwater
Luleå tekniska universitet.
Riga Technical University, Department of Civil Engineering.
Riga Technical University, Department of Civil Engineering.
2003 (English)In: Chemosphere, ISSN 0045-6535, E-ISSN 1879-1298, Vol. 51, no 9, p. 861-8Article in journal (Refereed) Published
Abstract [en]

Experiments in batch equilibrium system were carried out to evaluate the importance of physical and chemical factors determining the sorption efficiency of humic substances (HS) on aquifer material, which has been used for artificial recharge of groundwater (ARG) in drinking water production. Results showed that an increase of the amount of clay in the aquifer material and a decrease of pH in water increased the sorption efficiency. The sorption of higher molecular weight, more hydrophobic and aromatic HS (Aldrich and forest soil humic acids) were greater than the sorption of acidic HS (river fulvic acids), either on the aquifer material or to its representative sorbing phases, clay and organic matter. The sorption on the aquifer material was largely due to physical sorption (hydrophobic attractions). This study showed the importance of HS composition on their removal during ARG and contributed to an understanding of the HS sorption mechanisms in this process

Place, publisher, year, edition, pages
2003. Vol. 51, no 9, p. 861-8
National Category
Water Engineering
Research subject
Urban Water Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-5569DOI: 10.1016/S0045-6535(03)00108-5Local ID: 3b2bf970-6dec-11dd-ad27-000ea68e967bOAI: oai:DiVA.org:ltu-5569DiVA: diva2:978443
Note
Validerad; 2003; 20080819 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-21Bibliographically approved

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