High concentrations of sulfate in groundwater might result from pyrite oxidation, when the water table is lowered due to pumping of water. The purpose of the projekt is to investigate to which extend such high concentrations of sulfate in groundwater might be remediated by sulfate reduction, when the water enters deep aquifers, that were methanogenic prior to the entrance of sulfate. The project involves the development and implementation of methods for measuring in situ rates of sulfate reduction, methane production and methane oxidation inaquifers. It also involves development and implementation of a method for measuring low contrations of h 2, formate and acetate in groundwater, since these might give valuable information about the redox processes occuring in aquifers.
|Effective start/end date||01/04/1994 → 31/05/1998|
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