A COMPREHENSIVE APPROACH TO ASSESS EFFLUENT ORGANIC CARBON REMOVAL IN GROUNDWATER RECHARGE SYSTEMS
Abstract:The scope of this study was to develop a comprehensive approach to assess bulk organic carbon removal in groundwater recharge systems. A combination of soil microbial activity measurements and advanced chemical carbon characterization was applied in order to differentiate between biotic and physical-chemical removal mechanisms during recharge. The fate of bulk organic carbon during recharge was studied by isolating three different bulk fractions hydrophilic organic carbon (HPI), hydrophobic acids (HPO-A) and colloidal organic matter (OM) from a secondary treated domestic effluent. The presented approach offers a promising basis to develop a model that is able to assess organic carbon removal in recharge systems for a variety of different source water qualities if the basic bulk composition of the raw water is known.
Document Type: Research Article
Publication date: January 1, 2003
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