Multiscale process intensification of waste valorization reactions

RM Santos, N Zhang… - Accounts of Chemical …, 2023 - ACS Publications
Conspectus The central theme of this Account is the development of intensified and
sustainable chemical processes for the sequestration of CO2 in synergism with the …

Effects of reactive MgO on durability and microstructure of cement-based materials: considering carbonation and pH value

Y Liu, B Wang, Y Fan, J Yu, T Shi, Y Zhou… - … and Building Materials, 2024 - Elsevier
Reactive MgO is a type of eco-friendly material with a lower carbon footprint, as it is
produced by calcination of magnesite (MgCO 3) at 750℃, much less than that (ie 1450℃) …

A critical review of the advancements in acid-activated metakaolin geopolymers

IH Alvi, Q Li, H Hu, CC Onyekwena, Y Hou… - … and Building Materials, 2024 - Elsevier
Alternative to ordinary Portland cement (OPC), geopolymer binders emit low CO 2 during
manufacturing. Recently, acid-activated geopolymers were found to transform the …

[HTML][HTML] Dredged marine soil stabilization using magnesia cement augmented with biochar/slag

CC Onyekwena, Q Li, Y Wang, IH Alvi, W Li… - Journal of Rock …, 2024 - Elsevier
Dredged marine soils (DMS) have poor engineering properties, which limit their usage in
construction projects. This research examines the application of reactive magnesia (rMgO) …

Geomechanical performances of geocell reinforced retaining wall backfilled with magnesia-based cement stabilized marine fill

CC Onyekwena, Q Li, IH Alvi, A Ghaffar… - Marine Georesources & …, 2024 - Taylor & Francis
Cement-stabilized soil retaining wall structures are becoming increasingly popular for high-
speed railway lines. However, the widely used Portland cement is heavily associated with …

Impacts of biochar and slag on carbon sequestration potential and sustainability assessment of MgO-stabilized marine soils: insights from MIP analysis

CC Onyekwena, Q Li, Y Wang, IH Alvi, Y Hou… - Environmental …, 2024 - pubs.rsc.org
Mineral carbonation is a promising strategy for mitigating carbon emissions and combating
climate change. This study investigates the efficacy and sustainability of MgO-based …

A systematic review of engineering properties of magnesium potassium phosphate cement as a repair material

A Dabarera, R Fernández, JL Provis - Frontiers in Materials, 2024 - frontiersin.org
Magnesium phosphate cement (MPC) is known as a high-performing rapid repair material
for concretes in practice, and has also become a fast-moving research area for other …

Carbon dioxide sequestration on magnesium-based binders

X Gao, Q Li - Carbon Dioxide Sequestration in Cementitious …, 2024 - Elsevier
Magnesium-based binders have attracted considerable interest for their potential for CO 2
emissions reductions. Here, we initially introduce the chemical composition and hydration of …

[PDF][PDF] Journal of Rock Mechanics and Geotechnical Engineering

CC Onyekwena, Q Li, Y Wang, IH Alvi, W Li, Y Hou… - 2023 - researchgate.net
abstract Dredged marine soils (DMS) have poor engineering properties, which limit their
usage in construction projects. This research examines the application of reactive magnesia …