Recent advances in immobilization of radioactive cesium and strontium-bearing wastes in alkali activated materials A review

E Mukiza, QT Phung, SC Seetharam… - Journal of …, 2024 - Elsevier
This review discusses recent advances in the use of alkali-activated materials (AAMs) to
host high heat and radiation-emitting cesium (Cs) and strontium (Sr) wastes. It examines the …

High-temperature behavior of geopolymer mortar containing nano-silica

P Zhang, X Han, J Guo, S Hu - Construction and Building Materials, 2023 - Elsevier
Nano-silica (NS) can significantly improve the microstructure, mechanical properties, and
durability of metakaolin/fly ash-based geopolymer mortar (GPM). To investigate the high …

[HTML][HTML] Optimization of kaolin into Metakaolin: Calcination Conditions, mix design and curing temperature to develop alkali activated binder

Z Khaled, A Mohsen, AM Soltan, M Kohail - Ain Shams Engineering Journal, 2023 - Elsevier
The natural kaolin deposits are crystalline inert with low CaO contents and surface area.
Therefore, kaolin is not a suitable material used to produce Alkali Activated Binders (AAB) …

Impact of microporous γ-Al2O3 on the thermal stability of pre-cast cementitious composite containing glass waste

OA Mohamed, MM Hazem, A Mohsen… - … and Building Materials, 2023 - Elsevier
Upcycling sodium-rich glass waste (SGW) in fabricating pre-cast binding materials is the
main motivation of this work. The impact of different curing regimes on the mechanical …

[HTML][HTML] Synthesis of multifunctional Mesoporous Geopolymer under Hydrothermal Curing: high mechanical resistance and efficient removal of Methylene Blue from …

MS Amin, M Ramadan, A Mohsen, MA Sayed… - Developments in the …, 2024 - Elsevier
This study created green multifunctional geopolymeric sorbent material with strong cationic
dye adsorption capacity and superior mechanical strength to broaden lead sludge (LS) …

From discarded waste to valuable products: Barite combination with chrysotile mine waste to produce radiation-shielding concrete

AM Zayed, AM El-Khayatt, P Petrounias… - … and Building Materials, 2024 - Elsevier
Chrysotile, the most common serpentine polymorph, represents one of the most hazardous
mine wastes known for its associated health risks. For the first time, chrysotile mine waste …

Amelioration of antimicrobial, radiation shielding, thermal stability of Portland cement composites using hematite nanoparticles

M Ramadan, SMA El-Gamal, MM Wetwet… - … and Building Materials, 2024 - Elsevier
Egypt occupies a great position in the marble and cement industries in the Middle East.
Therefore, marble waste has become a source of environmental nuisance while the cement …

[HTML][HTML] Investigation of autoclave curing impact on the mechanical properties, heavy metal stabilization and anti-microbial activity of the green geopolymeric …

M Ramadan, M Kohail, YR Alharbi, AA Abadel… - Journal of Materials …, 2023 - Elsevier
Recycling Pb-containing-sludge, as industrial hazardous waste, in the fabrication of eco-
friendly construction material with high mechanical characteristics and antimicrobial activity …

Evaluating the role of magnesium aluminate nano spinel in phase composition, meso-porosity, compressive strength, and drying shrinkage of alkali-activated slag

A Mohsen, M Ramadan, AO Habib… - … and Building Materials, 2023 - Elsevier
The effect of nano magnesium aluminate (MA) spinel on the performance of blast-furnace
slag with low NaOH content (3 wt%) was explored for the first time in the present work. Two …

Synergetic effects of hydrothermal treatment on the behavior of toxic sludge-modified geopolymer: Immobilization of cerium and lead, textural characteristics, and …

M Ramadan, AO Habib, MM Hazem, MS Amin… - … and Building Materials, 2023 - Elsevier
Geopolymers have been subjected as a promising strategy for heavy metals immobilization
due to their sustainability (environmental and energy saving). This study proposed a novel …