Advances in alkali-activation of clay minerals

AZ Khalifa, Ö Cizer, Y Pontikes, A Heath… - Cement and Concrete …, 2020 - Elsevier
To future-proof alkali-activation technology, there is a need to look beyond well-established
precursors such as fly ash and blast furnace slag, due to resource competition, geographical …

The influence of acid modification on the structure of montmorillonites and surface properties of bentonites

V Krupskaya, L Novikova, E Tyupina, P Belousov… - Applied Clay …, 2019 - Elsevier
Bentonites are often used as components of engineered barrier systems (EBS) for the
radioactive waste disposal and isolation of hazardous nuclear facilities. In this paper, we …

Self-assembly processes in hydrated montmorillonite by FTIR investigations

MT Caccamo, G Mavilia, L Mavilia, D Lombardo… - Materials, 2020 - mdpi.com
Experimental findings obtained by FTIR and Raman spectroscopies on montmorillonite-
water mixtures at three concentration values are presented. To get some insight into the …

Metabentonite and metakaolin-based geopolymers/zeolites: Relation between kind of clay, calcination temperature and concentration of alkaline activator

M Slaný, E Kuzielová, M Žemlička, M Matejdes… - Journal of Thermal …, 2023 - Springer
In this paper, the composition and properties of two different activated calcinated clays were
investigated under selected curing conditions. The tendency of metabentonite and …

Synthesis and characterization of magnetic-montmorillonite and magnetic-organo-montmorillonite: Surface sites involved on cobalt sorption

F Barraqué, ML Montes, MA Fernández… - Journal of Magnetism …, 2018 - Elsevier
Montmorillonite magnetic-clay nanoparticles (MtMag) and its exchanged product with
hexadecyltrimethylammonium (O100MtMag) were synthetized by alkaline oxidation of …

Synthesis, characterization, cytotoxicity and antimicrobial activity of a nanostructured mineral clay

DM Druzian, AK Machado, L Pappis, BS Vizzotto… - Ceramics …, 2023 - Elsevier
Clay minerals nanostructured appear as an alternative to increase textural property and
mechanical strength, such as montmorillonite (MMT-NPs). Nanocomposites are …

[HTML][HTML] Enhancing reactivity in muscovitic clays: Mechanical activation as a sustainable alternative to thermal activation for cement production

J Mañosa, A Alvarez-Coscojuela, J Marco-Gibert… - Applied Clay …, 2024 - Elsevier
The use of calcined clays in the construction industry is thriving. However, muscovitic or illitic
clays, which constitute a large portion of the available clay resources, are hardly activated by …

Correlation of exfoliation performance with interlayer cations of montmorillonite in the preparation of two‐dimensional nanosheets

H Bai, Y Zhao, X Zhang, W Wang… - Journal of the …, 2019 - Wiley Online Library
Montmorillonite (MMT) can be exfoliated into nanosheets used in a wide range of
applications as two‐dimensional (2D) material. The exfoliated MMT nanosheets with high …

Adsorption of industrial pollutants by natural and modified aluminosilicates

L Novikova, L Belchinskaya - Clays, clay minerals and ceramic …, 2016 - books.google.com
The adsorption ability of natural clay minerals and zeolites is a structurally caused
distinguished feature, which determines their physical–chemical properties and almost each …

[HTML][HTML] Structural features of thermally or mechano-chemically treated montmorillonite clays as precursors for alkali-activated cements production

ATM Marsh, S Krishnan, SA Bernal - Cement and Concrete Research, 2024 - Elsevier
In this study it was determined the impact of calcination or mechano-chemical activation
(MCA) on the physico-chemical properties and reactivity of Ca-montmorillonite and Na …