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Ceramic Mineral Waste-Forms for Nuclear Waste Immobilization. [PDF]

open access: yesMaterials (Basel), 2019
Crystalline ceramics are intensively investigated as effective materials in various nuclear energy applications, such as inert matrix and accident tolerant fuels and nuclear waste immobilization. This paper presents an analysis of the current status of work in this field of material sciences.
Orlova AI, Ojovan MI.
europepmc   +6 more sources

The MICADO Integrated Gamma Station for Radioactive Waste Packages radiological characterization [PDF]

open access: yesEPJ Web of Conferences, 2023
The MICADO (Measurement and Instrumentation for Cleaning And Decommissioning Operations) Project of the H2020 Research and Innovation Programme aims to propose a cost-effective solution for non-destructive characterization of nuclear waste, implementing ...
Lepore L.   +10 more
doaj   +1 more source

Swelling pressure of a sodium bentonite in solutions of different suction [PDF]

open access: yesMATEC Web of Conferences, 2021
In this study, the swelling pressure of unsaturated, compacted bentonite-sand mixture was measured, which the all samples had experiment in dying-wetting history in suction changing. This test program used Kunigel V1 as sodium type.
Sato Shin   +2 more
doaj   +1 more source

Combined X-ray absorption and SEM–EDX spectroscopic analysis for the speciation of thorium in soil

open access: yesScientific Reports, 2023
Mobility and bioavailability of radionuclides in the environment strongly depend on their aqueous speciation, adsorption behavior and the solubility of relevant solid phases. In the present context, we focus on naturally occurring Th-232 at a location in
Sanduni Ratnayake   +8 more
doaj   +1 more source

Interlink between solubility, structure, surface and thermodynamics in the ThO2(s, hyd)–H2O(l) system

open access: yesFrontiers in Chemistry, 2022
The impact of temperature on a freshly precipitated ThO2(am, hyd) solid phase was investigated using a combination of undersaturation solubility experiments and a multi-method approach for the characterization of the solid phase.
Christian Kiefer   +10 more
doaj   +1 more source

Beryllium solubility and hydrolysis in dilute to concentrated CaCl2 solutions: thermodynamic description in cementitious systems

open access: yesFrontiers in Nuclear Engineering, 2023
The solubility and hydrolysis of Be(II) was investigated from undersaturation conditions in alkaline, dilute to concentrated CaCl2 solutions (0.05–3.5 M). Experiments were performed with α-Be(OH)2(cr) under Ar atmosphere at T = (22 ± 2)°C.
Nese Çevirim-Papaioannou   +4 more
doaj   +1 more source

Progress and Challenges of Materials and Methods for Uranium Extraction From Seawater

open access: yesHe huaxue yu fangshe huaxue, 2023
The ocean covers 70% of the earth’s area, and the seawater uranium is more than 1000 times that of terrestrial uranium ore. In order to increase the power generation and ensure the sustainable operation of nuclear power plants, the development of ...
TANG Xing-rui   +8 more
doaj   +1 more source

Removal efficiency of 137Cs from radioactively contaminated electric arc furnace dust using different solvents

open access: yesCase Studies in Chemical and Environmental Engineering, 2023
An advertent meltdown of radioactive source during steel smelting generates electric arc furnace dust (EAFD) polluted with 137Cs. The removal efficiency of 137Cs from EAFD was assessed by the lixiviation method using different solvents and at various ...
T. Akharawutchayanon   +7 more
doaj   +1 more source

Effective removal of non-radioactive and radioactive cesium from wastewater generated by washing treatment of contaminated steel ash

open access: yesNuclear Engineering and Technology, 2023
The co-precipitation process plays a key role in the decontamination of radionuclides from low and intermediate levels of liquid waste. For that reason, the removal of Cs ions from waste solution by the co-precipitation method was carried out.
P. Sopapan   +7 more
doaj   +1 more source

Radiological Impact Assessment of Class 3 Landfill of TENORM Waste from Tin Industry in Bangka Island

open access: yesEnvironment and Natural Resources Journal, 2021
This study assessed the potential radiological impact of a class 3 landfill as a disposal facility of the final tin slag from the tin industry in Bangka Island. Tin slag that contains TENORM (Technically Enhanced Naturally Occurring Radioactive Material)
Zeni Anggraini   +3 more
doaj   +1 more source

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