Influence of calcination temperature of Ni/Attapulgite on hydrogen production by steam reforming ethanol

Y Wang, D Liang, C Wang, M Chen, Z Tang, J Hu… - Renewable Energy, 2020 - Elsevier
Sustainable hydrogen production can be realized by steam reforming ethanol (SRE) derived
from renewable biomass, but develop high-efficiency and sixpenny catalyst is a major …

Post-spinel-type AB2O4 high-pressure phases in geochemistry and materials science

M Akaogi, T Ishii, K Yamaura - Communications Chemistry, 2024 - nature.com
Post-spinel-type AB 2O4 compounds are stable at higher pressures than spinel phases.
These compounds have garnered much interest in geo-and materials science for their …

Structural, electronic, and mechanical properties of calcium aluminate cements: Insight from first-principles theory

C Qi, D Spagnoli, A Fourie - Construction and Building Materials, 2020 - Elsevier
Calcium aluminate cements (CACs) have attracted much attention due to their potential
applications in severe environments. Up to now, their structural, electronic, and mechanical …

Structural, thermal and light emission properties of Eu, Sm, Dy, Er and Mn doped CaAl2O4 and SrAl2O4

P Kaur, A Khanna - Ceramics International, 2021 - Elsevier
Abstract 1 mol% Re 2 O 3/MnO–99 mol% MAl 2 O 4 (Re= Eu, Sm, Dy, Er and M= Ca and Sr)
powder samples were prepared by solid state sintering in the temperature range of 1386 …

Harmunite CaFe2O4: A new mineral from the Jabel Harmun, West Bank, Palestinian Autonomy, Israel

IO Galuskina, Y Vapnik, B Lazic… - American …, 2014 - pubs.geoscienceworld.org
Harmunite, naturally occurring calcium ferrite CaFe2O4, was discovered in the Hatrurim
Complex of pyrometamorphic larnite rocks close to the Jabel Harmun, the Judean Desert …

Synthesis and Characterization of 12CaO·7Al2O3 Slags: The Effects of Impurities and Atmospheres on the Phase Relations

FI Azof, K Tang, J You, J Safarian - Metallurgical and Materials …, 2020 - Springer
Synthesis of crystalline slags of 12CaO· 7Al 2 O 3 phase from the corresponding melt
compositions in different atmospheric conditions and different purities is investigated …

Post-Spinel Phases in the Earth's Mantle

AV Iskrina, AV Bobrov, AV Spivak - Geochemistry International, 2022 - Springer
The post-spinel phases include compounds with stoichiometry and structures of the calcium
ferrite CaFe2O4, calcium titanate CaTi2O4, and marokite CaMn2O4 types. The structures …

Chenmingite, FeCr2O4 in the CaFe2O4-type structure, a shock-induced, high-pressure mineral in the Tissint martian meteorite

C Ma, O Tschauner, JR Beckett, Y Liu… - American …, 2019 - degruyter.com
Abstract Chenmingite (FeCr2O4; I-036) is a high-pressure mineral, occurring as micrometer-
to submicrometer-sized lamellae within precursor chromite grains along with xieite and Fe …

Mineral transition of calcium aluminate clinker during high-temperature sintering with low-lime dosage

D Zhang, X Pan, H Yu, Y Zhai - Journal of Materials Science & Technology, 2015 - Elsevier
The mineral transition mechanism and physicochemical property of calcium aluminate
clinker sintered at 1350° C were systematically studied using analytical reagent α-Al 2 O 3 …

A high-pressure X-ray diffraction study of the crystalline phases in calcium aluminate cement paste

G Geng, J Li, Y Zhou, L Liu, J Yan, M Kunz… - Cement and Concrete …, 2018 - Elsevier
Calcium aluminate cement (CAC) has wide application in civil engineering and castable
refractory materials. The main binding phases of hardened CAC paste, CaO· Al 2 O 3· 10H 2 …