Sorption of Uranium, Neptunium, and Plutonium onto Pyrite, Siderite, and Hematite after Their Microbial Transformation under the Conditions of Upper Aquifers

IF 0.9 Q4 CHEMISTRY, INORGANIC & NUCLEAR

Radiochemistry Pub Date : 2024-12-11 DOI:10.1134/S1066362224050230

G. D. Artem’ev, Yu. V. Konevnik, A. P. Novikov, A. V. Safonov

引用次数: 0

Abstract

The influence of microorganisms collected from observation wells near the conserved liquid radioactive waste (RW) repository, B-2 reservoir, of the Siberian Chemical Combine on the immobilization of uranium, plutonium, and neptunium on pyrite, siderite, and goethite was studied. The results of laboratory experiments and thermodynamic simulation data show that the microbial transformation of iron-bearing minerals leads to an increase in the immobilization of actinides due to the appearance of new biogenic iron oxide/hydroxide/carbonate and iron sulfide mineral phases.

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上含水层条件下微生物转化后的铀、镎、钚在黄铁矿、菱铁矿和赤铁矿上的吸附

研究了西伯利亚化学联合公司B-2储存库附近观测井采集的微生物对铀、钚和镎在黄铁矿、菱铁矿和针铁矿上的固定化作用的影响。室内实验和热力学模拟结果表明，含铁矿物的微生物转化导致锕系元素的固定化增加，因为出现了新的生物成因氧化铁/氢氧化物/碳酸盐和硫化铁矿物相。

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来源期刊

Radiochemistry CHEMISTRY, INORGANIC & NUCLEAR-

CiteScore

1.30

自引率

33.30%

发文量

期刊介绍： Radiochemistry is a journal that covers the theoretical and applied aspects of radiochemistry, including basic nuclear physical properties of radionuclides; chemistry of radioactive elements and their compounds; the occurrence and behavior of natural and artificial radionuclides in the environment; nuclear fuel cycle; radiochemical analysis methods and devices; production and isolation of radionuclides, synthesis of labeled compounds, new applications of radioactive tracers; radiochemical aspects of nuclear medicine; radiation chemistry and after-effects of nuclear transformations.