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

Membranes, 2023
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.
Geani Teodor Man, Paul Constantin Albu, Aurelia Cristina Nechifor, Alexandra Raluca Grosu, Szidonia-Katalin Tanczos, Vlad-Alexandru Grosu, Mihail-Răzvan Ioan, Gheorghe Nechifor   +7 more
doaj   +6 more sources

Simultaneously Recovery of Thorium and Tungsten through Hybrid Electrolysis–Nanofiltration Processes [PDF]

Toxics
The recovery and recycling of metals that generate toxic ions in the environment is of particular importance, especially when these are tungsten and, in particular, thorium.
Geani Teodor Man, Paul Constantin Albu, Aurelia Cristina Nechifor, Alexandra Raluca Grosu, Diana Ionela Popescu (Stegarus), Vlad-Alexandru Grosu, Virgil Emanuel Marinescu, Gheorghe Nechifor   +7 more
doaj   +6 more sources

Thorium Recovery with Crown Ether–Polymer Composite Membranes

Applied Sciences
Thorium is a weak radioactive element, but the control of its concentration in natural aqueous systems is of great interest for health, because it is a toxic heavy metal.
Aurelia Cristina Nechifor, Paul Constantin Albu, Ludmila Motelica, Geani Teodor Man, Alexandra Raluca Grosu, Szidonia-Katalin Tanczos, Vlad-Alexandru Grosu, Virgil Emanuel Marinescu, Gheorghe Nechifor   +8 more
doaj   +4 more sources

Effect of process parameters on the recovery of thorium tetrafluoride prepared by hydrofluorination of thorium oxide, and their optimization

Nuclear Engineering and Technology, 2022
Liquid fueled molten salt reactors (MSRs) have seen renewed interest because of their inherent safety features, higher thermal efficiency and potential for efficient thorium utilisation for power generation.
Raj Kumar, Sonal Gupta, Sourabh Wajhal, S.K. Satpati, M.L. Sahu   +4 more
doaj   +3 more sources

Study of aluminothermic slag leaching for uranium and thorium recovery

Brazilian Journal of Radiation Sciences, 2022
The need for energy by modern society is increasing. On the other hand, it is necessary to reduce costs and environmental impact. In this perspective, the recovery of uranium present in industrial waste from the processing of naturally occurring ...
VANDERLEI VILAÇA MOURA, Talita Santos, Claubia Pereira   +2 more
doaj   +4 more sources

Advanced Techniques for Thorium Recovery from Mineral Deposits: A Comprehensive Review

Applied Sciences
Thorium has emerged as a promising alternative to uranium in nuclear energy systems due to its higher natural abundance, favorable conversion to fissile 233U, and reduced generation of long-lived transuranic waste.
Tolganay Atamanova, Bakhytzhan Lesbayev, Sandugash Tanirbergenova, Zhanna Alsar, Aisultan Kalybay, Zulkhair Mansurov, Meiram Atamanov, Zinetula Insepov   +7 more
doaj   +3 more sources

Comparing activated carbon and graphene-based electrodes using electrosorption process to quantify environmental impact associated with thorium extraction via LCA framework [PDF]

Scientific Reports
Thorium extraction from radioactive waste via various methods, including solvent extraction, ion exchange, adsorption, and electrosorption, raises significant concerns regarding radiological risks, human health, emissions, and other environmental impacts.
Naseem Akhtar, Aznan Fazli Ismail, Marlia M. Hanafiah, Syazwani Binti Mohd Fadzil   +3 more
doaj   +2 more sources

Data of REEs (Ce, Nd, Th) analysis from Bangka tin tailing applying froth flotation method using sodium oleate and KClO3Mendeley DataMendeley DataMendeley Data [PDF]

Data in Brief
This article presented the data of REEs (Rare Earth Elements) analysis from exploitation of Bangka tin tailing, Indonesia. Nowadays, REEs have broad applications in modern industry such as computer memory, DVDs, rechargeable batteries, cell phones ...
Wiwik Dahan, Djoko Hartanto, Ratna Ediati, Rita Sundari, Subandrio, Irfan Marwanza   +5 more
doaj   +2 more sources

Study of the physical properties of aluminothermic slags for the recovery of uranium and thorium

Brazilian Journal of Radiation Sciences, 2021
NORM minerals generate, after metallurgical processing, radioactive slags that can be controlled by CNEN. Thus, it is necessary to establish a reprocessing route to make the material exemption. The route necessarily passes through the characterization of
VANDERLEI VILAÇA MOURA, Talita Oliveira Santos, Claubia Pereira   +2 more
doaj   +3 more sources

Iron, aluminum, and thorium impurity removal from a rare earth element pregnant leach solution using magnesium carbonate [PDF]

Scientific Reports
This study investigates the selective precipitation of aluminum, iron, and thorium from a rare earth element (REE)-containing pregnant leach solution (PLS) using magnesium carbonate (MgCO3) as a precipitant.
Sicheng Li, Maziar E. Sauber, Tong Sun, Gisele Azimi   +3 more
doaj   +2 more sources