Carbonate binders: Historic developments and perspectives

X Hu, P He, C Shi - Cement and Concrete Research, 2024 - Elsevier
This paper reviews the historic developments and provides some perspectives of carbonate
binders. Various carbonatable materials have been used to produce carbonate binders …

Structure, fractality, mechanics and durability of calcium silicate hydrates

S Tang, Y Wang, Z Geng, X Xu, W Yu, J Chen - Fractal and Fractional, 2021 - mdpi.com
Cement-based materials are widely utilized in infrastructure. The main product of hydrated
products of cement-based materials is calcium silicate hydrate (CSH) gels that are …

Preparation aragonite whisker-rich materials by wet carbonation of cement: Towards yielding micro-fiber reinforced cement and sequestrating CO2

P Shen, J Lu, Y Zhang, Y Jiang, S Zhang… - Cement and Concrete …, 2022 - Elsevier
In this study, an innovative wet carbonation process was developed to prepare aragonite
whisker-rich materials (AWM) from cement and simulated flue gas, which subsequently …

Calcium Carbonate Precipitation for CO2 Storage and Utilization: A Review of the Carbonate Crystallization and Polymorphism

R Chang, S Kim, S Lee, S Choi, M Kim… - Frontiers in Energy …, 2017 - frontiersin.org
The transformation of CO2 into a precipitated mineral carbonate through an ex situ mineral
carbonation route is considered a promising option for carbon capture and storage (CCS) …

Amino acids as performance-controlling additives in carbonation-activated cementitious materials

RI Khan, W Ashraf, J Olek - Cement and Concrete Research, 2021 - Elsevier
This article presents an investigation on the application of amino acids to control the CaCO 3
crystallization in carbonation cured wollastonite composites. It was observed that …

Effect of Na2O concentration and water/binder ratio on carbonation of alkali-activated slag/fly ash cements

J Zhang, C Shi, Z Zhang - Construction and Building Materials, 2021 - Elsevier
In this study, the effects of Na 2 O concentration and water/binder (w/b) ratio on the phase
evolution and carbonation of alkali-activated slag/fly ash cements are studied. After sealed …

Elucidating the accelerated carbonation products of calcium silicates using multi-technique approach

W Ashraf, J Olek - Journal of CO2 Utilization, 2018 - Elsevier
This article features an investigation of the accelerated carbonation products of four calcium
silicate phases, namely monoclinic-tricalcium silicate (3CaO· SiO 2 or C 3 S), γ-dicalcium …

[HTML][HTML] Thermodynamic modelling of phase evolution in alkali-activated slag cements exposed to carbon dioxide

X Ke, SA Bernal, JL Provis, B Lothenbach - Cement and Concrete …, 2020 - Elsevier
Carbonation of cementitious materials induced by their interaction with atmospheric CO 2 is
one of the main degradation mechanisms threatening their durability. In this study, a novel …

Carbonation induced phase evolution in alkali-activated slag/fly ash cements: The effect of silicate modulus of activators

J Zhang, C Shi, Z Zhang - Construction and Building Materials, 2019 - Elsevier
In this study, the effects of silicate modulus of activators (Ms) on carbonation of alkali-
activated slag/fly ash cements are studied and compared between natural (0.03–0.04% CO …

Mechanism of zinc oxide retardation in alkali-activated materials: an in situ X-ray pair distribution function investigation

N Garg, CE White - Journal of Materials Chemistry A, 2017 - pubs.rsc.org
Alkali-activated materials are a new class of sustainable materials that can help supplant
highly CO2-intensive ordinary Portland cement (OPC). Chemical admixtures and additives …