Natural pozzolan based geopolymers: A review on mechanical, microstructural and durability characteristics

R Firdous, D Stephan, JNY Djobo - Construction and Building Materials, 2018 - Elsevier
Natural pozzolans are tremendous source of reactive silica and alumina required for
geopolymer synthesis as an alternative binder for ordinary Portland cement. They are …

Enhancing the reactivity of aluminosilicate materials toward geopolymer synthesis

LN Tchadjie, SO Ekolu - Journal of materials science, 2018 - Springer
Geopolymers are alternative materials to portland cement, obtained by alkaline activation of
aluminosilicates. They exhibit excellent properties and a wide range of potential applications …

[HTML][HTML] Insights into alkali and acid-activated volcanic ash-based materials: A review

JNY Djobo, S Tome - Cement and Concrete Composites, 2024 - Elsevier
This review provides a comprehensive study of the fundamentals of the alkaline and acid
activation of volcanic ashes (VA), for mainstreaming their use as a conventional feedstock …

[HTML][HTML] Mineralogical evolution of raw materials transformed to geopolymer materials: A review

S Tome, A Nana, HK Tchakouté, J Temuujin… - Ceramics …, 2024 - Elsevier
The geopolymerization reaction is a chemical process involving the dissolution of
amorphous, semi-crystalline and crystalline phases following alkaline or acid attack at …

Potential of using granite waste as raw material for geopolymer synthesis

LN Tchadjié, JNY Djobo, N Ranjbar, HK Tchakouté… - Ceramics …, 2016 - Elsevier
The main objective of this work was to investigate the potential of using granite waste (GW)
as raw material for geopolymer synthesis. The disposal of GW might cause many serious …

Fly ash based geopolymer for heavy metal removal: A case study on copper removal

MS Al-Harahsheh, K Al Zboon, L Al-Makhadmeh… - Journal of …, 2015 - Elsevier
This work aims to evaluate the effectiveness of an amorphous geopolymer, synthesized from
waste fly ash, as sorbent material for copper from aqueous solutions. The obtained …

Geopolymers: The green alternative to traditional materials for engineering applications

Z Jwaida, A Dulaimi, N Mashaan, MA Othuman Mydin - Infrastructures, 2023 - mdpi.com
Researchers have been driven to investigate sustainable alternatives to cement production,
such as geopolymers, due to the impact of global warming and climate change resulting …

Alkaline fused phosphate mine tailings for geopolymer mortar synthesis: Thermal stability, mechanical and microstructural properties

S Moukannaa, A Nazari, A Bagheri, M Loutou… - Journal of Non …, 2019 - Elsevier
The present study investigates the efficiency of alkaline fusion method to enhance the
geopolymeric reactivity of phosphate mine tailings. The effect of sodium hydroxide content …

Alkali-hydrothermal activation of mine tailings to prepare one-part geopolymer: Activation mechanism, workability, strength, and hydration reaction

Q Liu, M Cui, X Li, J Wang, Z Wang, L Li, X Lyu - Ceramics International, 2022 - Elsevier
Developing a low-cost and eco-friendly alternative to cement is of great significance for
reducing CO 2 emissions. Mine tailings (MTs) rich in Si and Al can be served as a promising …

[HTML][HTML] Effect of the rate of calcination of kaolin on the properties of metakaolin-based geopolymers

BBK Diffo, A Elimbi, M Cyr, JD Manga… - Journal of Asian Ceramic …, 2015 - Elsevier
Kaolin samples of the same mass were treated at 700° C for the same duration of 30 min by
varying the rate of calcination (1, 2.5, 5, 10, 15 and 20° C/min) in order to obtain metakaolins …