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Experimental Study and Mathematical Modeling of Hg and Cu Transformations in the Water–Bottom Sediment System

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Abstract

The results of laboratory modeling of transformations of the ionic forms of Hg and Cu are discussed. The processes considered include the formation of organic and inorganic complexes, sorption on mineral suspension and bottom sediment. A peak in the concentration of organic complex of metals is found to exist. Published data are used to study the physicochemical mechanism of metal transformations in the water–bottom sediment system and to develop a mathematical model of these processes. An explanation is given to the metal concentration peak, which forms in water as a result of the competition between complex formation and sorption processes. Comparison of the experimental and model curves allowed the evaluation of the kinetic coefficients of the complex formation and sorption stages.

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Authors and Affiliations

  1. Water Problems Institute, Russian Academy of Sciences, ul. Gubkina 3, GSP-1, Moscow, 117735, Russia

    N. A. Arkhipova, E. V. Venitsianov & A. G. Kocharyan

  2. Research Institute of Power Systems, Stroitel'nyi per. 7a, Moscow, 123362, Russia

    I. L. Dmitrieva

Authors
  1. N. A. Arkhipova
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  2. E. V. Venitsianov
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  3. A. G. Kocharyan
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  4. I. L. Dmitrieva
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Arkhipova, N.A., Venitsianov, E.V., Kocharyan, A.G. et al. Experimental Study and Mathematical Modeling of Hg and Cu Transformations in the Water–Bottom Sediment System. Water Resources 28, 63–67 (2001). https://doi.org/10.1023/A:1018832930923

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