Using polymer mats to biodegrade atrazine in groundwater: laboratory column experiments

Large-scale column experiments were undertaken to evaluate the potential of in situ polymer mats to deliver oxygen into groundwater to induce biodegradation of the pesticides atrazine, terbutryn and fenamiphos contaminating groundwater in Perth, Western Australia. The polymer mats, composed of woven...

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Veröffentlicht in:	Journal of contaminant hydrology 2002-02, Vol.54 (3), p.195-213
Hauptverfasser:	Patterson, B.M, Franzmann, P.D, Davis, G.B, Elbers, J, Zappia, L.R
Format:	Artikel
Sprache:	eng
Schlagworte:	Aquifers Atrazine Atrazine - metabolism Biodegradation Biodegradation, Environmental Earth sciences Earth, ocean, space Engineering and environment geology. Geothermics Exact sciences and technology fenamiphos Geochemistry Herbicides - metabolism Hydrogeology Hydrology. Hydrogeology Mineralogy Oxygen Oxygen delivery Pollution, environment geology Polymer Polymers Silicates Soil Microbiology Soil Pollutants - metabolism Water geochemistry Water Pollutants - metabolism
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Beschreibung
Zusammenfassung:	Large-scale column experiments were undertaken to evaluate the potential of in situ polymer mats to deliver oxygen into groundwater to induce biodegradation of the pesticides atrazine, terbutryn and fenamiphos contaminating groundwater in Perth, Western Australia. The polymer mats, composed of woven silicone (dimethylsiloxane) tubes and purged with air, were installed in 2-m-long flow-through soil columns. The polymer mats proved efficient in delivering dissolved oxygen to anaerobic groundwater. Dissolved oxygen concentrations increased from
ISSN:	0169-7722 1873-6009
DOI:	10.1016/S0169-7722(01)00178-4