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Porous treatment walls are increasingly used for remediating contaminated groundwater. These walls are constructed below the water table and perpendicular to the groundwater flow. Successful nitrate removal from groundwater has been demonstrated in porous walls amended with sawdust but the mechanism responsible has not been identified. The objective was to determine whether denitrification rates in...
Local water supply and sewage systems utilizing soil infiltration systems and septic tanks are common in the Swedish countryside. The effects that infiltration of grey water has on groundwater quality have been investigated in a Swedish holiday village consisting of 269 houses and covering an area of some 160 ha. Boron and linear alkylbenzene sulphonates (LAS) were not found to occur in sufficient...
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