Searching for biosignatures in sedimentary rocks from early Earth and Mars

T Bosak, KR Moore, J Gong… - Nature Reviews Earth & …, 2021 - nature.com
The recognition of past habitable environments on Mars has increased the urgency to
understand biosignature preservation in and characterize analogues of these environments …

Mechanisms of Mg carbonates precipitation and implications for CO 2 capture and utilization/storage

HS Santos, H Nguyen, F Venâncio… - Inorganic Chemistry …, 2023 - pubs.rsc.org
The mechanisms involved in the natural formations of dolomite (CaMg (CO3) 2) and
magnesite (MgCO3) have endured as challenging research questions over centuries, being …

Effect of aluminate and carbonate in magnesia silicate cement

E Bernard, B Lothenbach, A German, D Rentsch… - Cement and Concrete …, 2023 - Elsevier
The effect of alumina and carbonates on magnesium silicate hydrate (MSH) cement was
investigated at high Mg/Si ratios (1.5–2.5), constant Na 2 CO 3 concentration (17 g/L) and …

[HTML][HTML] Hydrous carbonate-containing brucite (HCB) in MgO/hydromagnesite blends

A German, F Winnefeld, P Lura, D Rentsch… - Cement and Concrete …, 2023 - Elsevier
The hydration of reactive MgO in presence of hydromagnesite was investigated using
analyses of the solid and the liquid phase. A brucite-like phase with low crystallinity was …

MgO-based cements–Current status and opportunities

E Bernard, H Nguyen, S Kawashima… - RILEM Technical …, 2023 - letters.rilem.net
The cement industry is a major contributor to the anthropogenic CO 2 emissions, with about
8% of all emissions coming from this sector. The global cement and concrete association …

[HTML][HTML] Influence of the amount of intermetallics on the degradation of Mg-Nd alloys under physiological conditions

Y Zhang, Y Huang, F Feyerabend, C Blawert, W Gan… - Acta biomaterialia, 2021 - Elsevier
The influence of amount of intermetallics on the degradation of as-extruded Mg-Nd alloys
with different contents of Nd was investigated via immersion testing in DMEM+ 10% FBS …

Further studies of the hydration of MgO-hydromagnesite blends

F Winnefeld, E Epifania, F Montagnaro… - Cement and Concrete …, 2019 - Elsevier
The hydration of magnesium oxide in the presence of hydromagnesite (Mg 5 (CO 3) 4 (OH)
2· 4H 2 O) was investigated. The hydration products are a poorly-crystalline form of brucite …

[HTML][HTML] On the carbonation of brucite: Effects of Mg-acetate on the precipitation of hydrated magnesium carbonates in aqueous environment

H Nguyen, H Santos, H Sreenivasan, W Kunther… - Cement and Concrete …, 2022 - Elsevier
The role of organic ligands on the formation of hydrated magnesium carbonates (HMCs) has
been remaining unclear. This work reports insights into the effects of Mg-acetate on the …

Advances in process development of aqueous CO2 mineralisation towards scalability

N Zhang, YE Chai, RM Santos, L Šiller - Journal of Environmental …, 2020 - Elsevier
Aqueous mineralisation is a process that reacts CO 2 with aqueous ions to produce solid
carbonates that fix CO 2 permanently. Over the past decade, the commercial deployment of …

Effect of carbonates on the formation of magnesium silicate hydrates

E Bernard, B Lothenbach, D Rentsch, A German… - Materials and …, 2022 - Springer
The effect of carbonates on the formation of magnesium silicate hydrate phases (MSH) was
investigated in paste experiments. At molar ratio Mg/Si= 1.5, MSH pastes were synthesised …