Evaluation of Cs-137 Binding by High-Moor Peat in the European North of Russia
- Авторлар: Orlov A.1, Zubov I.1, Yakovlev E.1, Bogdanovich N.2
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Мекемелер:
- CENTER FOR COMPREHENSIVE STUDY OF THE ARCTIC NAMED AFTER ACADEMICIAN N.P. LAVEROV URAL BRANCH OF THE RUSSIAN ACADEMY OF SCIENCES
- Северный (Арктический) федеральный университет им. М.В. Ломоносова (САФУ)
- Шығарылым: № 5 (2023)
- Беттер: 50-54
- Бөлім: Articles
- URL: https://journals.rcsi.science/0023-1177/article/view/232815
- DOI: https://doi.org/10.31857/S0023117723050055
- EDN: https://elibrary.ru/GVDGBN
- ID: 232815
Дәйексөз келтіру
Аннотация
The sorption properties of high-moor peat and products of its sequential disassembly were studied and the binding of Cs-137 by the test materials was evaluated. According to the results of low-temperature nitrogen adsorption, the specific surface area of pores in the test materials varied in a range from 1.48 to 5.96 m2/g, and the total pore volume varied from 0.002 to 0.009 cm3/g. The limiting adsorption of Cs-137 on the test high-moor peat ranged from 1 to 51 Bq/g, which significantly exceeded the background values of
Cs-137 activity determined in the peat deposit and indicated a high sorption capacity of high-moor peatlands with respect to anthropogenic radionuclides. For peat derivatives obtained by the sequential disassembly method, the values of limiting sorption ranged from 2 to 61 Bq/g in the test range of pH. It was revealed that
the pH of the medium and the nature of a sorbent are the key factors determining the efficiency of Cs-137 sorption. It was established that the values of the limiting sorption of Cs-137 for peat and products based on it increased with pH
Негізгі сөздер
Авторлар туралы
A. Orlov
CENTER FOR COMPREHENSIVE STUDY OF THE ARCTIC NAMED AFTER ACADEMICIAN N.P. LAVEROV URAL BRANCH OF THE RUSSIAN ACADEMY OF SCIENCES
Email: alseror@yandex.ru
163020 Arkhangelsk, Russia
I. Zubov
CENTER FOR COMPREHENSIVE STUDY OF THE ARCTIC NAMED AFTER ACADEMICIAN N.P. LAVEROV URAL BRANCH OF THE RUSSIAN ACADEMY OF SCIENCES
Email: zubov.ivan@fciarctic.ru
163020 Arkhangelsk, Russia
E. Yakovlev
CENTER FOR COMPREHENSIVE STUDY OF THE ARCTIC NAMED AFTER ACADEMICIAN N.P. LAVEROV URAL BRANCH OF THE RUSSIAN ACADEMY OF SCIENCES
Email: yakov24lev99@mail.ru
163020 Arkhangelsk, Russia
N. Bogdanovich
Северный (Арктический) федеральный университет им. М.В. Ломоносова (САФУ)
Хат алмасуға жауапты Автор.
Email: n.bogdanovich@narfu.ru
Россия, 163002, Архангельск
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