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Chapter
Exploration, Mining, Milling and Processing of Uranium
a wonderful element used initially in early days in small amounts for yellow glass and pottery glazes such as uranium glass and in Fiestaware before the discovery of its radioactivity in 1896. Since then ur...
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Book
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Chapter and Conference Paper
Determination of Room Temperature Thermal Conductivity of Thorium—Uranium Alloys
Room temperature thermal conductivity values of selected composition of Th-U alloys were experimentally measured employing Transient Plane Source (TPS) technique using slab sample geometry. Experimental values...
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Article
Vortex Matter in Highly Strained Nb \(_{75}\) Zr \(_{25}\) : Analogy with Viscous Flow of Disordered Solids
We present the results of magnetization and magneto-transport measurements in the superconducting state of an as-cast Nb \(_{75}\) ...
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Article
Determination of iron in uranium matrix using energy dispersive X-ray fluorescence (EDXRF) technique
In this paper a novel method for determination of Fe in uranium matrix has been demonstrated using energy dispersive X-ray fluorescence (EDXRF) technique. Effects of various parameters such as variation of mat...
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Article
Novel precipitation technique for uranium recovery from carbonate leach solutions
The recovery of uranium from carbonate ore leach solution was studied using novel precipitation method. The uranium from leach liquor was recovered as magnesium diuranate with NaOH in presence of trace amount ...
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Article
Extraction of uranium from nuclear industrial effluent using polyacrylhydroxamic acid sorbent
Solid-phase extraction process using chelating sorbent is a novel technique due to its high separation efficiency and simplicity. A designed three-dimensional cross-linked hydrophilic chelating polymeric sorbe...
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Article
Poly-hydroxamic acid (PHA) matrix for gadolinium pre-concentration and removal
A novel hydrophilic, three dimensionally cross-linked, aliphatic backbones with pendant hydroxamic acid (HA) group as functional moiety has been synthesized and utilized targeting removal of gadolinium [Gd(III...
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Article
Task-specific ionic liquid tetraalkylammonium hydrogen phthalate as an extractant for U(VI) extraction from aqueous media
In this paper a quaternary ammonium based room temperature ionic liquid (IL) trioctylmethylammonium hydrogen phthalate has been reported as promising extractant for separation of U(VI) from other metal ions fr...
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Article
Comparative studies on co-extraction of uranium(VI) and different mineral acid from aqueous feed solutions using TBP, TOPO and TOA
Equilibrium and kinetics of co-extraction of hexavalent uranium and mineral acids from aqueous solutions into a hydrocarbon phase (paraffin) using tri n-butyl phosphate (TBP), tri-n-octyl phosphine oxide (TOPO) a...
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Article
Transport of U(VI) from sulphuric acid medium across supported liquid membrane (SLM) containing di-(2-ethylhexyl) phosphoric acid (D2EHPA)/n-dodecane as a carrier
This paper reports on the supported liquid membrane (SLM) based transport studies of U(VI) from sulphate medium using di-(2-ethylhexyl) phosphoric acid/n-dodecane as carrier. Polytetrafluoroethylene membrane was ...
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Article
Counter-current extraction and separation of U(VI) from a mixture of U(VI)–Th(IV)–Y(III) using tris-2-ethyl hexyl phosphate (TEHP)
Evaluation of tris-2-ethyl hexyl phosphate (TEHP) for counter-current extraction and separation of U(VI) from a mixture of U(VI)–Th(IV)–Y(III) from nitric acid medium was carried out under wide experimental co...
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Article
Strip** study of U(VI) from loaded TBP/n-paraffin using ammonium nitrate bearing waste as strippant
Strip** studies of U(VI) from loaded solvent TBP/n-paraffin was carried out using ammonium nitrate solution as strippant. Effects of various strip** parameters such as concentration of ammonium nitrate soluti...
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Article
Mathematical modeling of solvent extraction of uranium from sulphate media employing 2-ethylhexyl phosphonic acid-mono-2-ethylhexyl ester (PC88A) and its mixture with trioctylphosphine oxide (TOPO) as extractants
The extraction of U(VI) from sulphate medium with 2-ethylhexyl phosphonic acid-mono-2-ethylhexyl ester (PC88A, H2A2 in dimeric form) in n-dodecane has been investigated under varying concentrations of sulphuric a...
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Article
Extraction behavior of U(IV) from nitric acid medium using di-isodecyl phosphoric acid dissolved in dodecane
Solvent extraction of U(VI) with di-isodecyl phosphoric acid (DIDPA)/dodecane from nitric acid medium has been investigated for a wide range of experimental conditions. Effect of various parameters including n...
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Article
Synergistic extraction of uranium with mixtures of PC88A and neutral oxodonors
The extraction of uranium(VI) from nitric acid medium is investigated using 2-ethylhexyl phosphonic acid-mono-2-ethylhexyl ester (PC88A in dimeric form, H2A2) as extractant either alone or in combination with neu...
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Article
Extraction of U(VI) and Th(IV) from nitric acid medium using tri(butoxyethyl) phosphate (TBEP) in n-paraffin
Extraction behavior of U(VI) and Th(IV) from nitric acid medium is investigated using organo-phosphorous extractant, tri(butoxyethyl) phosphate in n-paraffin at room temperature (27 ± 1 °C). The effect of diluent...
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Article
Thermomagnetic history effects across the first order magneto-structural transition in the giant magnetocaloric Fe-Rh alloy
Results of ac susceptibility and isofield and isothermal magnetization measurements on a poly-crystalline Fe-Rh alloy are presented across the first order magneto-structural transition. Interesting thermomagne...
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Article
Recovery of locked-up uranium in slag disc by co-melting in magnesio-thermic reduction
Magnesio-thermic Reduction (MTR) of Uranium tetra Fluoride (UF4) is one of the main industrial methods for producing commercial pure uranium metal in massive form. Nuclear grade natural Uranium (U) metal ingots a...
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Article
Supercooling across first-order phase transitions in vortex matter
Hysteresis in cycling through first-order phase transitions in vortex matter, akin to the well-studied phenomenon of supercooling of water, has been discussed in literature. Hysteresis can be seen while varyin...
