Solidification/stabilization technology for radioactive wastes using cement: An appraisal

I Luhar, S Luhar, MMAB Abdullah, AV Sandu… - Materials, 2023 - mdpi.com
Across the world, any activity associated with the nuclear fuel cycle such as nuclear facility
operation and decommissioning that produces radioactive materials generates ultramodern …

[HTML][HTML] Toward sustainable cementitious radioactive waste forms: Immobilization of problematic operational wastes

RO Abdel Rahman, MI Ojovan - Sustainability, 2021 - mdpi.com
Develo** effective radioactive waste management practices is essential for ensuring the
sustainability of the nuclear industry. The immobilization of radioactive wastes is one of the …

Advances in immobilization of radionuclide wastes by alkali activated cement and related materials

Y Zhu, Z Zheng, Y Deng, C Shi, Z Zhang - Cement and Concrete …, 2022 - Elsevier
Nuclear power is seen a significant part of new energy industry because of the low carbon
emission feature and high efficiency. Safe and reliable immobilization of radionuclide …

[HTML][HTML] Feasibility of incorporating phosphogypsum in ettringite-based binder from ladle slag

K Gijbels, H Nguyen, P Kinnunen, W Schroeyers… - Journal of Cleaner …, 2019 - Elsevier
Aiming to utilize phosphogypsum (PG) as a construction material, this study investigated the
potential use of PG as a calcium sulfate source for the production of an ettringite-based …

Immobilization potential and immobilization mechanism of arsenic in cemented paste backfill

Y Li, X Min, Y Ke, J Fei, D Liu, C Tang - Minerals Engineering, 2019 - Elsevier
Although cemented paste backfill (CPB) method has been proposed as a resource disposal
technology for arsenic waste, the immobilization potential and immobilization mechanism of …

The impacts of sodium nitrate on hydration and microstructure of Portland cement and the leaching behavior of Sr2+

Z Zheng, Y Li, Z Zhang, X Ma - Journal of Hazardous Materials, 2020 - Elsevier
Immobilization and solidification of low-level and intermediate-level radioactive waste liquid
from nuclear power station involves the interaction between highly concentrated sodium …

Kinetic and thermal decomposition of ettringite synthesized from aqueous solutions

D Guimaraes, V de A. Oliveira, VA Leao - Journal of Thermal Analysis and …, 2016 - Springer
The kinetics of the thermal decomposition of a synthetic ettringite sample was studied
between 298 and 820 K in an inert atmosphere for the present work. The ettringite and its …

Cesium binding and leaching from single and binary contaminant cement–bentonite matrices

ROA Rahman, DHAZ El Abidin… - Chemical Engineering …, 2014 - Elsevier
Binding mechanisms and leaching characteristics of cesium from different cement–bentonite
immobilization matrices were investigated. The effect of Sr presence as a competitive …

[HTML][HTML] Permeable concrete barriers to control water pollution: a review

RO Abdel Rahman, AM El-Kamash, YT Hung - Water, 2023 - mdpi.com
Permeable concrete is a class of materials that has long been tested and implemented to
control water pollution. Its application in low-impact development practices has proved its …

Comparative analysis of nuclear waste solidification performance models: Spent ion exchanger-cement based wasteforms

ROA Rahman, AA Zaki - Process Safety and Environmental Protection, 2020 - Elsevier
Solidification performance for cement based radioactive wasteforms was investigated and
linked to the hydraulic performance using mechanistic and empirical models. Within this …