Zobrazeno 1 - 10
of 17
pro vyhledávání: '"G. P. Tkhorzhnitskii"'
Publikováno v:
Radiochemistry. 59:512-519
Causes of initiation of exothermic self-accelerating oxidation processes in mixtures of TBP with HNO3 are analyzed. The main condition is heating of the mixtures to temperatures (Т st) above which the heat release in the chemical reaction starts to
Publikováno v:
Radiochemistry. 58:480-485
Extraction of 239Pu from 4 M НNО3 with an HNO3-saturated 30% solution of tri-n-butyl phosphate (TBP) in Isopar-M in the cyclic mode was studied. As a result of four-month contact with an aqueous НNО3 solution containing 0.11 M Pu(IV), the organic
Publikováno v:
Radiochemistry. 58:426-430
The behavior of the two-phase system consisting of a 30% solution of tri-n-butyl phosphate (TBP) in a paraffin diluent (C13) and a 12 M aqueous HNO3 solution was studied in the temperature interval from 70 to 110°С. The parameters of thermolysis of
Publikováno v:
Radiochemistry. 58:182-187
The dynamics of gas evolution in the course of thermal oxidation of 30% solutions of tri-n-butyl phosphate (TBP) in C13 diluent, equilibrated with 12.9 M HNO3, was studied in open vessels in the temperature interval from 70 to 150°С. The total volu
Autor:
Boris F. Myasoedov, G. P. Tkhorzhnitskii, D. V. Ryabkov, Elena Belova, N. D. Goletskii, B. Ya. Zilberman, D. I. Danilin, Z. V. Dzhivanova, M. I. Kadyko, I. V. Blazheva, A. A. Murzin
Publikováno v:
Radiochemistry. 57:143-151
A comparative study in the cyclic mode of the radiation resistance of TBP solutions in Isopar-M isoparaffin diluent and in C-13 narrow n-paraffin fraction, which is the major factor determining the stability of the hydrodynamic parameters of the extr
Publikováno v:
Radiochemistry. 55:82-87
Changes in the extraction characteristics of the system 40% TBP-formal n2-HNO3 under the action of accelerated electrons, as applied to the Pu extraction in the cyclic mode, were studied. The residual concentration of Pu in the organic phase after st
Publikováno v:
Radiochemistry. 52:56-59
The thermal stability of mixtures of tri-n-butyl phosphate (TBP) with HNO3 was studied in the temperature range from 90 to 125°C. In mixtures with the irradiated extractant at 110°C, intense exothermic processes initiated by oxidation of extractant
Autor:
G. F. Egorov, E. V. Belova, G. P. Tkhorzhnitskii, I. G. Tananaev, E. R. Nazin, G. M. Zachinyaev
Publikováno v:
Radiochemistry. 50:171-175
Publikováno v:
Radiochemistry. 47:392-397
Radiation-induced and hydrolytic decomposition of HDBP and its zirconium salt in organic solutions and two-phase aqueous-organic systems in the presence of TBP and nitric acid is studied. The yields of radiation-induced decomposition of HDBP and temp
Publikováno v:
Radiochemistry. 55:88-90
In extraction regeneration of spent nuclear fuel, namely, in refining of solutions containing 0.2 M Pu and more, the radiolytic effects caused by intrinsic Pu α-radiation become noticeable. To examine this effect, Pu extraction from an aqueous solut