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The Formation of Sediments of Porous Metals during the Radiation–Chemical Reduction of Pb2+ and Cd2+ Ions in Water Solution

  • NANOSCALE AND NANOSTRUCTURED MATERIALS AND COATINGS
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Abstract

When accelerated electrons were irradiated with aqueous solutions of cadmium and lead salts containing methyl alcohol, metal precipitates with densities of 1.17 and 1.1 g/cm3 were obtained and porosities of 86.5 and 90.3%, respectively, and greater surface area. The process of metal deposition was studied and the radiation–chemical yields were calculated, which amounted to (1.7 ± 0.2) × 10–2 and (3.4 ± 0.3) × 10–2 g per 1 kGy for cadmium and lead, respectively, and 1.56 ± 0.05 metal atoms per 100 eV of absorbed radiation energy. The developed method can be promising for obtaining precipitation of pure and amorphous metals from aqueous solutions of their salts, for developing technologies for treating water effluents containing toxic metals, as well as for using porous cadmium and lead in the manufacture of electrical devices.

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Funding

This work was supported by the Ministry of Science and Higher Education of the Russian Federation using a UELV-10-10-S-70 linear accelerator at the Central Design Bureau of the Physical Mathematical Institute of the Institute of Physics and Economics of the Russian Academy of Sciences.

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  1. Frumkin Institute of Physical and Electrochemistry, Russian Academy of Sciences, 119071, Moscow, Russia

    G. L. Bykov & B. G. Ershov

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  1. G. L. Bykov
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  2. B. G. Ershov
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Correspondence to G. L. Bykov.

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Bykov, G.L., Ershov, B.G. The Formation of Sediments of Porous Metals during the Radiation–Chemical Reduction of Pb2+ and Cd2+ Ions in Water Solution. Prot Met Phys Chem Surf 56, 746–751 (2020). https://doi.org/10.1134/S2070205120040097

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