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Water--Purification--Nitrogen removal--Mathematical models; Groundwater--North Dakota--Testing; Geochemical modeling; Groundwater flow--Mathematical models
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Modeling Groundwater Denitrification By Ferrous Iron Using Phreeqc, Tedros Tesfay
Modeling Groundwater Denitrification By Ferrous Iron Using Phreeqc, Tedros Tesfay
Theses and Dissertations
Nitrate is one of the most common groundwater contaminants, and ingesting it leads to potential health risks. Denitrification, the only effective process to eliminate nitrate, is limited by the abundance of biologically available electron donors. Thus, understanding the natural denitrification capacity of aquifers, through the analysis of all the major electron donors, is essential.
A better way to estimate groundwater denitrification reactions is to compute the mass balance of the redox sensitive species. The University of North Dakota (UND) denitrification team installed mesocosms (ISMs) to understand the fate of nitrate in field conditions. Accordingly, the team has shown the significant …