Zobrazeno 1 - 10
of 79
pro vyhledávání: '"A. M. Chekmarev"'
Publikováno v:
Nuclear Engineering and Technology, Vol 52, Iss 1, Pp 109-114 (2020)
This work presents the results of laboratory scale tests of the CARBOFLUOREX (CARBOnate FLUORide EXtraction) process – a novel technology for the recovery of U and Pu from the solid fluorides residue (fluorination ash) of Fluoride Volatility Method
Externí odkaz:
https://doaj.org/article/09ddb6f4f8bb4be0b5493a63e886b4c9
Autor:
Alexander V. Boyarintsev, Sergei I. Stepanov, Galina V. Kostikova, Valeriy I. Zhilov, Alexander M. Chekmarev, Aslan Yu. Tsivadze
Publikováno v:
Nuclear Engineering and Technology, Vol 51, Iss 7, Pp 1799-1804 (2019)
The concept of a new method, the CARBEX (CARBonate EXtraction) process, was proposed for reprocessing of spent uranium oxide fuel. The proposed process is based on use of water solutions of Na2CO3 or (NH4)2CO3 and solvent extraction (SE) by the quate
Externí odkaz:
https://doaj.org/article/71dd224a51964bfdbbc348fe390daf16
Autor:
Aslan Yusupovich Tsivadze, A. V. Boyarintsev, Andrei Shoustikov, G. V. Kostikova, A. M. Chekmarev, Sergey Stepanov
Publikováno v:
Solvent Extraction and Ion Exchange. 39:745-763
Liquid–liquid extraction of carbonate and mixed peroxo-carbonate compounds of U(VI) and Am(III) from Na2CO3 aqueous solutions by methyltrioctylammonium carbonate in toluene has been studied. The ma...
Publikováno v:
Doklady Chemistry. 496:32-37
The isomolar series method was used to identify the regions of synergistic extraction of praseodymium and neodymium from low-acid nitrate solutions containing ammonium nitrate as a salting-out agent with isomolar mixtures of tri-n-octyl(methyl)ammoni
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry. 327:385-393
The liquid–liquid extraction, recovery of Np(VI) and Np(V) from the solution of Na2CO3 by methyltrioctylammonium carbonate in toluene was investigated. By the graphic slope analyses method, as well as by recording of absorption spectra for obtained
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry. 324:1031-1038
Liquid–liquid extraction (LLE) of microamounts of americium(III) from Na2CO3 and Na2CO3–H2O2 aqueous solution using methyltrioctylammonium (MTOA) carbonate in toluene has been studied. The distribution ratio of americium(III) into the organic pha
Autor:
G. V. Kostikova, A. M. Chekmarev, Valeriy I. Zhilov, Aslan Yu. Tsivadze, A. V. Boyarintsev, Sergei I. Stepanov
Publikováno v:
Nuclear Engineering and Technology, Vol 51, Iss 7, Pp 1799-1804 (2019)
The concept of a new method, the CARBEX (CARBonate EXtraction) process, was proposed for reprocessing of spent uranium oxide fuel. The proposed process is based on use of water solutions of Na2CO3 or (NH4)2CO3 and solvent extraction (SE) by the quate
Publikováno v:
Доклады Академии наук. 488:267-271
The effect of local vibration at interfacial layer of a heterogeneous liquid system on the wettability of the material of interfacial formations based on the salt of the d- or f-element of di-(2-ethylhexyl)phosphoric acid adhered to glass has been in
Publikováno v:
Doklady Physical Chemistry. 488:134-137
The effect of local vibration in an interfacial layer of a heterogeneous liquid system on the wettability of the material of interfacial formations based on a d- or f-metal di-(2-ethylhexyl)phosphate salt adhered to glass has been studied. It has bee
Publikováno v:
Theoretical Foundations of Chemical Engineering. 52:898-902
The effect of machining conditions on the scandium leaching effectiveness from the wastes of wet magnetic separation of iron–titanium magnetites in sulfuric acid solution has been studied. It has been shown that the degree of recovery of scandium i