Pore-scale simulation of multiphase flow and reactive transport processes involved in geologic carbon sequestration

W Wang, Q Xie, S An, S Bakhshian, Q Kang… - Earth-Science …, 2023 - Elsevier
Multiphase flow and reactive transport are two essential physicochemical processes that
govern the effectiveness of geological carbon sequestration (GCS). The interaction and …

[HTML][HTML] Carbonation mechanisms and kinetics of lime-based binders: An overview

C Rodriguez-Navarro, T Ilić, E Ruiz-Agudo… - Cement and Concrete …, 2023 - Elsevier
The reaction of slaked lime with atmospheric CO 2 in the presence of humidity leads to the
formation of cementing carbonate phases in traditional aerial lime mortars and plasters. This …

Carbonation modelling of hardened cementitious materials considering pore structure characteristics: A review

L Tong, Y Cai, Q Liu - Journal of Building Engineering, 2024 - Elsevier
Carbonation of cementitious materials is one of the most important reasons leading to the
deterioration of steel-reinforced concrete structures. After years of research, different models …

A reactive transport modeling perspective on the dynamics of interface-coupled dissolution-precipitation

H Deng, J Poonoosamy, S Molins - Applied geochemistry, 2022 - Elsevier
In interface coupled dissolution-precipitation systems, the dynamics of the mineral-fluid
interface depends on two intertwining processes: the dissolution of the primary mineral that …

Rates of atmospheric CO2 capture using magnesium oxide powder

K Rausis, AR Stubbs, IM Power, C Paulo - International Journal of …, 2022 - Elsevier
Magnesium oxide (MgO) looping is a proposed technology for gigatonne-scale carbon
dioxide (CO 2) removal from the atmosphere. Here, we determined CO 2 removal rates by …

Microfluidic investigation of pore-size dependency of barite nucleation

J Poonoosamy, A Obaied, G Deissmann… - Communications …, 2023 - nature.com
The understanding and prediction of mineral precipitation processes in porous media are
relevant for various energy-related subsurface applications. While it is well known that …

Modelling of the evolving contributions of gas transport, cracks and chemical kinetics during atmospheric carbonation of hydrated C3S and CSH pastes

N Seigneur, L De Windt, S Poyet, A Socié… - Cement and Concrete …, 2022 - Elsevier
This modelling study investigated the physicochemical and kinetic controls of the
mineralogical evolutions of cementitious materials subject to accelerated atmospheric …

Carbonation of one-part alkali-activated materials incorporated by MgO: Phase characteristics and micromechanical properties

S Gholami, YR Kim, D Little, S Kwon, JS Jung - Construction and Building …, 2024 - Elsevier
The role of magnesium oxide (MgO) in the carbonation of cementitious materials, particularly
alkali-activated materials (AAM), which is a promising low-carbon alternative to ordinary …

Towards a scientific-based assessment of long-term durability and performance of cementitious materials for radioactive waste conditioning and disposal

D Jacques, QT Phung, J Perko, SC Seetharam… - Journal of Nuclear …, 2021 - Elsevier
Because of its solid structure, low permeability, slow diffusion and good chemical retention
for many radionuclides, cementitious materials are often used for conditioning radioactive …

A lab on a chip experiment for upscaling diffusivity of evolving porous media

J Poonoosamy, R Lu, MI Lönartz, G Deissmann… - Energies, 2022 - mdpi.com
Reactive transport modelling is a powerful tool to assess subsurface evolution in various
energy-related applications. Upscaling, ie, accounting for pore scale heterogeneities into …