Microbiological treatment of oil-containing radioactive waste prior to cementation

被引：1
|
作者：
Tregubova V.E. [1 ]
Safonov A.V. [1 ]
Babich T.L. [2 ]
Proshin I.M. [1 ]
Zakharova E.V. [1 ]
German K.E. [1 ]
机构：
[1] Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Leninskii pr. 31, korp. 4, Moscow
[2] Federal Research Centre Fundamentals of Biotechnology, Russian Academy of Sciences, Leninskii pr. 33, korp. 2, Moscow
来源：
Radiochemistry | 2017年 / 59卷 / 2期
关键词：
biotechnology; cement compound; liquid organic radioactive waste; oil-degrading microorganisms; radionuclides; transformer oil; tributyl phosphate; vacuum oil;
D O I：
10.1134/S106636221702014X
中图分类号：
学科分类号：
摘要：
Microbiological oxidation of liquid organic radioactive waste (ORW), spent vacuum and transformer oils, is described. The physicochemical properties of oils and their structural-group composition before and after using in the process cycle were studied. Changes in the structural-group composition and physicochemical parameters of oils upon microbiological treatment were determined. The distribution of radionuclides between the organic and aqueous phases upon microbiological treatment was studied by the example of model ORW containing 137Cs, 90Sr, 238Pu, and 241Am. The compatibility of oils subjected to microbiological treatment with the cement compound intended for ORW disposal was evaluated. The biological step of the radioactive oil processing leads to a decrease in the weight and volume of the organic radioactive waste and increases its amount that can be incorporated into the cement compound (to 30 vol %) without deterioration of the strength characteristics of the cement. © 2017, Pleiades Publishing, Inc.
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页码：193 / 202
页数：9
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