Diffusion dialysis aided electrodialysis process for concentration of radionuclides in acid medium

Mathur, J. N.; Murali, M. S.; Krishna, M. Bala; Ramachandhran, V.; Hanra, M. S.; Misra, Β. M.

doi:10.1007/bf02383746

Cited by 17 publications

(6 citation statements)

References 8 publications

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“…A comprehensive review of the technique was made by Smith et al (1999). Due to the nature of the Los Alamos National Laboratory (LANL)'s mission and their involvement in actinide separations work for many years, their first application of (Mathur et al 1998) this technology has been in the area of ultralow-level analysis of actinides and removal of actinides from process and waste streams. Bench-scale studies for actinide elimination from plutonium facility distillate waters were studied.…”

Section: Sieve Separation Mechanism Ultrafiltrationmentioning

confidence: 99%

Radioactive Waste Management by Membrane Technique

Khalith¹,

Das²,

Arunachalam³

2020

Handbook of Environmental Materials Management

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We are living in a modern civilization with the help of a nuclear power facility. But, we are aware about the harmful effects of radionuclide's produced from nuclear power plants. So, the superiority in the technologies of nuclear waste treatment is prominent. Separation technologies are used to concentrate the radionuclides and prevent the spread of this hazard to the environment. This chapter has three parts: the first part discussed the types of membrane processes

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Section: Sieve Separation Mechanism Ultrafiltrationmentioning

confidence: 99%

Radioactive Waste Management by Membrane Technique

Khalith¹,

Das²,

Arunachalam³

2020

Handbook of Environmental Materials Management

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“…12 Areas such as chemical analysis for pre-concentration, extraction processes, hydrometallurgy, separating acids from their salts, radioactive flow deacidification, removal of copper and zinc using commercial cationic membranes, and removal of inorganic anions such as fluoride, nitrate, bromate, and borate from drinking water can all be achieved with Donnan dialysis. [13][14][15][16][17] The development of new materials with definitive properties can include interpenetrating polymer networks (IPNs), which is an alternative method to modify microporous membranes. When two or more polymer networks are partially and non-covalently crosslinked on the molecular scale, it allows the formation of IPN architectures.…”

Section: -mentioning

confidence: 99%

Donnan Dialysis Assisted by Interpenetrating Polymer Networks for Chromium Ion Transport in Aqueous Media

Tapiero

Rivas

Sánchez

et al. 2018

J. Chil. Chem. Soc.

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Macroporous polypropylene (MPP) membranes incorporating poly[sodium (styrene sulphonate)], P(SSNa), and poly[(ar-vinylbenzyl) trimethylammonium chloride],P(ClVBTA) were modified via "in situ" radical polymerization. Modified and unmodified MPP were characterized using SEM and charge density properties. Donnan dialysis was used to transport chromium ions. The results show that the degree of modification varied between 2.5% and 4.0%, and the water uptake percentage varied between 15% and 20%. Experimental data for chromium ion transport (Cr(III) and Cr(VI)) were fitted to a mathematical model, and a correlation coefficient very close to 1 was obtained. The main parameters of this mathematical fit are k and a. These parameters report the concentration of chromium ions that converge in the Donnan equilibrium (k) and the response rate of the modified membrane (a).

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“…The results of these studies confirmed the high retention of carbonate ions and selective separation of molybdenum from uranium. Electrodialysis combined with diffusion dialysis was tested for the separation of 137 Cs and 90 Sr from concentrated nitric acid solutions [ 16 ]. Diffusion dialysis was conducted in a two-chamber system wherein the anion-exchange membrane and the reduction in solution acidity were involved in the first step of the proposed radioactive waste treatment scheme.…”

Section: Introductionmentioning

confidence: 99%

Liquid Low-Level Radioactive Waste Treatment Using an Electrodialysis Process

Miśkiewicz¹,

Nowak²,

Pałka³

et al. 2021

Membranes

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In this work, the possibility of using electrodialysis for the treatment of liquid low-level radioactive waste was investigated. The first aim of the research was to evaluate the influence of the process parameters on the treatment of model solutions with different compositions. Subsequent experimental tests were conducted using solutions containing selected radionuclides (60Co and 137Cs), which are potential contaminants of effluents from nuclear power plants, as well as components often found in waste generated from industrial and medical radioisotope applications. The results of the experiments performed on real radioactive waste confirmed that electrodialysis was a suitable method for the treatment of such effluents because it ensured high levels of desalination and rates of decontamination. The most important parameters impacting the process were the applied voltage and electrical current. Moreover, this research shows that the application of the ED process enables the separation of non-ionic organic contaminants of LLW, which are unfavorable in further stages of waste predisposal.

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Diffusion dialysis aided electrodialysis process for concentration of radionuclides in acid medium

Cited by 17 publications

References 8 publications

Radioactive Waste Management by Membrane Technique

Radioactive Waste Management by Membrane Technique

Donnan Dialysis Assisted by Interpenetrating Polymer Networks for Chromium Ion Transport in Aqueous Media

Liquid Low-Level Radioactive Waste Treatment Using an Electrodialysis Process

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