Immobilization of Krypton in a Metal Matrix (Nuclear Science and Technology (European Comm Info Serv))
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Immobilization of Krypton in a Metal Matrix (Nuclear Science and Technology (European Comm Info Serv)) by D. S. Whitmell

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Published by European Communities .
Written in English


  • Radioactive Waste Disposal,
  • Science/Mathematics

Book details:

The Physical Object
ID Numbers
Open LibraryOL12907368M
ISBN 109282580423
ISBN 109789282580424

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  The last chapter concentrates on the performance assessment of each matrix, and on new developments of ceramics and glass composite materials, thermochemical methods and in-situ metal matrix immobilization. The book thoroughly covers all issues surrounding nuclear waste from where to locate nuclear waste in the environment, through nuclear ISBN: The construction and successful operation of the half-scale pilot plant has demonstrated that the krypton immobilization process in a metal matrix is viable on a large scale and promises several. The chemical behaviour of metals is primarily governed by their retention and release reactions of solute with the soil matrix. Liming increased the soil pH, resulting in increased adsorption of Zn, Cu, and Cd in soils, which in consequence decreased the concentration of easily soluble Cd fraction in the soils and the uptake of this metal by wheat (Triticum aestivum) and carrots (Daucus carota).Cited by:   The present work investigated the efficiency and mechanism of immobilization of Pb(II), Cu(II), Cd(II) and Cr(III) metal solutions in kaolin/zeolite based geopolymers. Leaching of heavy metals from the geopolymeric matrix into different aggressive solutions was studied by measuring the amount of metal, pH and conductivity of leachates.

The ex vivo application of enzymes in various processes, especially via enzyme immobilization techniques, has been extensively studied in recent years in order to enhance the recyclability of enzymes, to minimize enzyme contamination in the product, and to explore novel horizons for enzymes in biomedical app Metal-organic frameworks and porous polymers – current and future challenges.   Highly effective immobilization of Pb and Cd in severely contaminated soils by environment-compatible, mercapto-functionalized reactive nanosilica Nanosilica which has good compatibility with soils is chosen as the matrix and functional groups which could be significant for the long-term remediation of the heavy-metal-contaminated soils. Third step: During , multiple enzyme immobilization including co-factor regeneration and cell immobilization was introduced. Components of Enzyme Immobilization Major components of an enzyme immobilization include An enzyme, a support matrix and .   Transition metal salts or hydroxides deposited on the surface of organic carriers become bound by coordination with nucleophilic groups on the matrix. Mainly titanium and zirconium salts have been used and the method is known as “metal link immobilization” [16, 70, 71]. The metal salt or hydroxide is precipitated onto the support (e.g.

@article{osti_, title = {Solid state storage of radioactive krypton in a silica matrix}, author = {Tingey, G L and Lytle, J M and Gray, W J and Wheeler, K R}, abstractNote = {The feasibility of loading a low density SiO/sub 2/ glass with krypton for storage of radioactive /sup 85/Kr has been demonstrated by studies using non-radioactive krypton. microspheres, bers, tubes, as well as various metal and magnetic nanoparticles have been reported [ 23 25 ]. 4 Methods of Immobilization In the last decades, thousands of protocols have been reported in the literature [ 26 29 ] and various immobilization strategies can be envisioned [ 30 ].   Silk fibroin is a widely and commercially available natural protein derived from silkworm cocoons. Thanks to its unique amino acid composition and structure, which lead to localized nanoscale pockets with limited but sufficient hydration for protein interaction and stabilization, silk fibroin has been studied in the field of enzyme immobilization. Results of these studies have demonstrated. Krypton is a fictional planet appearing in American comic books published by DC planet is the native world of Superman and is named after the element planet was created by Jerry Siegel and Joe Shuster, and was first referred to in Action Comics #1 (June ). The planet made its first full appearance in Superman #1 (summer ).