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Content of Long-Lived Radionuclides of Carbon-14 and Chlorine-36 in Reactor Graphite and in the Biosphere (Is there a Problem with Carbon-14 and Chlorine-36 when It Comes to the Processing of Reactor Graphite?)

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Abstract

The amounts of technogenic carbon and chlorine contained in reactor graphite and in the biosphere are compared. The total amount of 14C on Earth and in the atmosphere, according to a rough estimate, is 2.0 × 108 Ci, while in all reactor graphite in Russia this value is no more than 3 × 107 Ci. The amount of 36Cl in reactor graphite is approximately (0.2–5) × 103 Ci, which is many times less than its content in the ocean, 7.16 × 108 Ci. Therefore, when disposing of reactor graphite waste in a near-surface storage, the yield of 14C and 36Cl will not lead to significant disproportions in their accumulation in the biosphere

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Authors and Affiliations

  1. Khlopin Radium Institute, St. Petersburg, 197021, Russia

    B. F. Petrov & Yu. A. Pokhitonov

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  1. B. F. Petrov
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  2. Yu. A. Pokhitonov
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Correspondence to Yu. A. Pokhitonov.

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Russian Text © The Author(s), 2020, published in Radiochemistry, 2020, vol. 62, no. 1, pp. 87–89.

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Petrov, B.F., Pokhitonov, Y.A. Content of Long-Lived Radionuclides of Carbon-14 and Chlorine-36 in Reactor Graphite and in the Biosphere (Is there a Problem with Carbon-14 and Chlorine-36 when It Comes to the Processing of Reactor Graphite?). Radiochemistry 62, 138–140 (2020). https://doi.org/10.1134/S106636222001018X

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  • DOI: https://doi.org/10.1134/S106636222001018X

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