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Experimental Column Setup for Studying Anaerobic Biogeochemical Interactions Between Iron (Oxy)Hydroxides, Trace Elements, and Bacteria
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Experimental Column Setup for Studying Anaerobic Biogeochemical Interactions Between Iron (Oxy)Hydroxides, Trace Elements, and Bacteria

Experimental Column Setup for Studying Anaerobic Biogeochemical Interactions Between Iron (Oxy)Hydroxides, Trace Elements, and Bacteria

DOI:
10.3791/56240-v

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06:52 min

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December 19, 2017

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, , ,
1Environmental Biogeochemistry and Water Quality Unit,BRGM, 2Risks and Risk Prevention Division,BRGM, 3Egg Safety & Quality Research

Chapters

  • 00:05Title
  • 01:00Preparing Mercury and Arsenic Spiked Amorphous Iron Oxides
  • 02:19Preparing the Silica Gel and Sand Matrix and Setting Up the Column
  • 04:20Results: Impact of Sulfate and Iron Reduction on the Fate of Arsenic
  • 06:10Conclusion

Summary

자동 번역

자동 번역

Fate and speciation of arsenic and mercury in aquifers are closely related to physio-chemical conditions and microbial activity. Here, we present an original experimental column setup that mimics an aquifer and enables a better understanding of trace element biogeochemistry in anoxic conditions. Two examples are presented, combining geochemical and microbiological approaches.

Tags

Iron (oxy)hydroxidesTrace ElementsBiogeochemical InteractionsAnaerobic ConditionsSulfate ReductionIron ReductionMercuryArsenicSilica GelSandExperimental Column Setup

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