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Cr isotopes as a valuable tracer of Cr(VI) reduction in polluted (ground)waters

Author

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  • Vladislav Chrastný

    (Czech University of Life Sciences Prague)

Abstract

Chromium stable isotopes are of interest in many geochemical studies as a tool to identify Cr(VI) reduction in groundwater aquifers. At four industrial sites in the Czech Republic, we evaluated the extent of spontaneous removal of toxic Cr(VI) contaminated by Cr-plating baths. Prior to field studies we tested the short-term stability of Cr(VI) in groundwater samples. We follow conventional methods for Cr(VI) stabilization given by US EPA and APHA-AWWA-WEF protocols. We found significant Fe, Mn-induced Cr(VI) reduction in anthropogenically contaminated groundwater samples regardless of the sample treatment (alkalization, pH>8 and lower temperature,

Suggested Citation

  • Vladislav Chrastný, 2018. "Cr isotopes as a valuable tracer of Cr(VI) reduction in polluted (ground)waters," Proceedings of International Academic Conferences 8109946, International Institute of Social and Economic Sciences.
    • Handle: RePEc:sek:iacpro:8109946
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    File URL: https://iises.net/proceedings/44th-international-academic-conference-vienna/table-of-content/detail?cid=81&iid=012&rid=9946
    File Function: First version, 2018
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    More about this item

    Keywords

    hexavalent Cr; chromium isotopes; chromium reduction; ground waters; industrial pollution;
    All these keywords.

    JEL classification:

    • K32 - Law and Economics - - Other Substantive Areas of Law - - - Energy, Environmental, Health, and Safety Law
    • C93 - Mathematical and Quantitative Methods - - Design of Experiments - - - Field Experiments

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