Behavior of 131I and 137Cs in the oil-water and oil-gas phase systems

Autor:	Alla N. Kamenskaya, N. A. Konovalova, I. A. Rumer, Sergey A. Kulyukhin, L. V. Mizina, V. V. Kulemin
Rok vydání:	2013
Předmět:	Aqueous solution Chromatography Transformer oil Silica gel Extraction (chemistry) chemistry.chemical_element Sorption chemistry.chemical_compound chemistry Chemical engineering Phase (matter) Physical and Theoretical Chemistry Zeolite Carbon
Zdroj:	Radiochemistry. 55:208-214
ISSN:	1608-3288 1066-3622
Popis:	The behavior of 131I and 137Cs in various chemical forms in the oil-water and oil-gas phase systems and the sorption of these radionuclides from radioactive transformer oil onto various inorganic and organic sorbents was studied. The degree of the 137Cs extraction depends neither on the time of contact of the oil with aqueous solutions nor on the 137CsI concentration in the solution. Under all the experimental conditions, the degree of extraction of 137Cs did not exceed 5%. The degree of 131I extraction from water by the oil depends on the chemical form of the radionuclide: 131I−, 31IO3−, or 131I2. The maximal extraction (∼70%) is observed for K131IO3, and the minimal (∼25%), for 131I2. Granulated nanocomposites containing particles of carbon or NaX zeolite and Fizkhimin sorbents based on coarsely porous silica gel and containing Ag and Ni in 1: 4 ratio allow efficient removal of 137Cs and 131I from spent transformer oil of GK grade.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::6b6f4a5eb8718f8f4be27e18de60b148 https://doi.org/10.1134/s1066362213020112 Zobrazit plný text záznamu Full text from SpringerLink