Review on the impact of metakaolin-based geopolymer's reaction chemistry, nanostructure and factors on its properties

T Jiang, Z Liu, X Tian, J Wu, L Wang - Construction and Building Materials, 2024 - Elsevier
The low carbon footprint and superior properties of geopolymer make it a potentially suitable
alternative to ordinary Portland cement, which has been one of the dominating research …

[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 …

Effect of silica fume on the efflorescence, strength, and micro-properties of one-part geopolymer incorporating sewage sludge ash

Q Zhao, C Ma, X Lu, B Huang, Z Chen… - Construction and Building …, 2024 - Elsevier
The application of sewage sludge ash (SSA) in alkali activated cementitious material, ie,
geopolymer, was one of the effective measures to dispose of and recycle the sewage …

A review of geopolymer and its adsorption capacity with molecular insights: A promising adsorbent of heavy metal ions

K Liang, XQ Wang, CL Chow, D Lau - Journal of environmental …, 2022 - Elsevier
Due to severe consequences of the heavy metal ions (HMIs) accumulation in organisms
throughout the aqueous phase, HMIs pollution treatment has received extensive attention …

[HTML][HTML] Slag-modified metakaolin-based geopolymer for 3D concrete printing application: Evaluating fresh and hardened properties

MB Jaji, GPAG van Zijl, AJ Babafemi - Cleaner Engineering and …, 2023 - Elsevier
Extrusion-based 3D printing of a two-part metakaolin-based geopolymer concrete has a
long setting time, which could lead to inadequate structural build-up. This research explores …

Preparation and characterization of green lignin modified mineral cementitious firefighting materials based on uncalcined coal gangue and coal fly ash

G Dou, C Wang, X Zhong, B Qin - Construction and Building Materials, 2024 - Elsevier
In this study, lignin modified cementitious materials (LFGS) were synthesized to determine
the viability of mineral cementitious sealing and firefighting materials using uncalcined coal …

[HTML][HTML] Cementation of spent radioactive ion-exchange resin ashes using alkali-activated cements: Physicochemical and structural changes

P Perez-Cortes, I Garcia-Lodeiro, MC Alonso… - Cement and Concrete …, 2024 - Elsevier
Spent ion-exchange resins (IERs) constitute the major volume of solid radioactive wastes
generated by the nuclear industry and Portland cement wasteforms exhibit limitations for …

Mitigation of efflorescence for multi-componential geopolymer: Influence of steel slag, flue gas desulfurization gypsum and pre-curing periods

M Zhang, M He, J Zhang - Journal of Cleaner Production, 2023 - Elsevier
Efflorescence is always a major problem that prohibits the wide application of geopolymer. It
reduces mechanical strength, increases surface degradation and lowers the durability of …

Understanding the role of calcium silicate slag in sodium carbonate-activated green materials: Influence on kinetics, strength, and efflorescence

K Duan, Z Liu, X Li, D Wang, W Cao, Y Zhao - Journal of Cleaner …, 2024 - Elsevier
This study assessed the impact of calcium silicate slag (CSS), an industrial by-product of
aluminum extraction from fly ash, on the reaction kinetics, compressive strength, and …

Recycling of high-volume waste glass powder in alkali-activated materials: An efflorescence mitigation strategy

HA Ali, K Sun, D Xuan, JX Lu, M Cyr… - Journal of Building …, 2023 - Elsevier
The increasing environmental burden at landfills due to the disposal of waste glass (WG)
has motivated the scientific community to find alternative routes for its utilization. One of …