Chapter 58 Thorium

doi:10.1016/s0166-526x(96)80061-4

Cited by 2 publications

(2 citation statements)

References 38 publications

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“…Otherwise, the radiation analyses for thorium are few, although they refer to the entire radiation register (α, β or γ) [ 103 , 104 , 105 , 106 , 107 , 108 , 109 ] ( Table 2 ).…”

Section: Thorium Determinationmentioning

confidence: 99%

“…Determination of uranium, thorium, plutonium, americium and curium ultra-traces Photon-electron rejecting α liquid scintillation [103] Determination for levels of uranium and thorium in water along Oum Er-Rabia River Alpha track detectors [104] Thorium determination in intercomparison samples and in some Romanian building materials Gamma ray spectrometry [105] Thorium determination Miscellaneous techniques [106,107] X-ray fluorescence spectrometry Determination of thorium in natural water Coupled with preconcentration method [108] Trace element determination in thorium oxide Total reflection X-ray fluorescence spectrometry [109] Inductively Coupled Plasma-(ICP-)…”

Section: Thorium Determinationmentioning

confidence: 99%

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Thorium Removal, Recovery and Recycling: A Membrane Challenge for Urban Mining

Man,

Albu,

Nechifor

et al. 2023

Membranes

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Although only a slightly radioactive element, thorium is considered extremely toxic because its various species, which reach the environment, can constitute an important problem for the health of the population. The present paper aims to expand the possibilities of using membrane processes in the removal, recovery and recycling of thorium from industrial residues reaching municipal waste-processing platforms. The paper includes a short introduction on the interest shown in this element, a weak radioactive metal, followed by highlighting some common (domestic) uses. In a distinct but concise section, the bio-medical impact of thorium is presented. The classic technologies for obtaining thorium are concentrated in a single schema, and the speciation of thorium is presented with an emphasis on the formation of hydroxo-complexes and complexes with common organic reagents. The determination of thorium is highlighted on the basis of its radioactivity, but especially through methods that call for extraction followed by an established electrochemical, spectral or chromatographic method. Membrane processes are presented based on the electrochemical potential difference, including barro-membrane processes, electrodialysis, liquid membranes and hybrid processes. A separate sub-chapter is devoted to proposals and recommendations for the use of membranes in order to achieve some progress in urban mining for the valorization of thorium.

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“…Otherwise, the radiation analyses for thorium are few, although they refer to the entire radiation register (α, β or γ) [ 103 , 104 , 105 , 106 , 107 , 108 , 109 ] ( Table 2 ).…”

Section: Thorium Determinationmentioning

confidence: 99%

Section: Thorium Determinationmentioning

confidence: 99%

Thorium Removal, Recovery and Recycling: A Membrane Challenge for Urban Mining

Man,

Albu,

Nechifor

et al. 2023

Membranes

View full text Add to dashboard Cite

show abstract

Thorium Between Removing, Recovery and Recycling: A Membrane Challenge for Urban Mining

Man¹,

Albu²,

Nechifor³

et al. 2023

Preprint

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Although a slightly radioactive element, thorium is considered very toxic because its various species, which reach the environment, can constitute an important problem for the health of the population. The present paper aims to expand the possibilities of using membrane processes in the removal, recovery and recycling of thorium from industrial residues reaching the municipal waste processing platforms. The paper includes a short introduction on the interest shown for this element, a weak radioactive metal, followed by highlighting of some common (domestic) uses. In a distinct but concise part, the bio-medical impact of thorium is presented. The classic technologies for obtaining thorium are concentrated in a single schema, and then the speciation of thorium is presented with an emphasis on the formation of hydroxo-complexes and complexes with common organic reagents. The determination of thorium has been highlighted both on the basis of its radioactivity, but especially through methods that call for extraction followed by an established electrochemical, spectral or chromatographic method. Membrane processes are presented based on the electrochemical potential difference, rapidly presenting barro-membrane processes, electrodialysis, liquid membranes and hybrid processes. A separate sub-chapter is devoted to proposals and recommendations for the use of membranes in order to achieve some progress in urban mining for the valorization of thorium.

show abstract

Chapter 58 Thorium

Cited by 2 publications

References 38 publications

Thorium Removal, Recovery and Recycling: A Membrane Challenge for Urban Mining

Thorium Removal, Recovery and Recycling: A Membrane Challenge for Urban Mining

Thorium Between Removing, Recovery and Recycling: A Membrane Challenge for Urban Mining

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