In‐situexperiments on changes of solid heavy metal phases in aerobic and anaerobic groundwater aquifers

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Abstract
A dialysis method, based on solid speciation of natural and artificial substrates, has been developed for the in‐situ monitoring and long‐term prognosis of critical pollutants in groundwater and landfill leachates. Experiments were performed with variable metal dosages on different solid substrates, both natural sediments from groundwater aquifers and surface waters, and artificial mixtures of organic (cell walls) and inorganic substrates (e.g., FeOOH), which are inserted into anaerobic and aerobic aquifers. A major advantage of this approach is the application of a stabilized system of hydrological and chemical factors, including biochemical interactions.