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Early-age hydration of ye'elimite (calcium sulfoaluminate phase) in presence of alkalis: role of calcium sulfate
Calcium sulfoaluminate-belite (CSAB) cement is considered a viable and environmentally friendly alternative to Portland cement. Ye'elimite or calcium...
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Restoration of Degraded Calcium-Silicate-Hydrate in Calcium-Leached Cement Paste
Calcium leaching, a degradation process of cementitious materials, is a major concern in nuclear waste disposal facilities. Leached materials...
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Preparation and characterization of unfired lightweight bricks using dealkalized calcium silicate residue from low-calcium sintering red mud
In order to achieve the full utilization of red mud, the unfired lightweight bricks were prepared by compaction molding technology using dealkalized...
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In situ concrete sewer performance: comparison of Portland cement, calcium sulfoaluminate cement, and calcium aluminate cement
This paper seeks to provide a better understanding of the performance of calcium sulfoaluminate cement (CSA) in comparison with calcium aluminate...
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The influence of calcium formate on the hydration of calcium sulfate hemihydrate
In this study, the influence of calcium formate (CF) on the hydration of a synthesized calcium sulfate hemihydrate (HH) powder was investigated....
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Electrochemical Detection of Desorbed Calcium Ions from Bovine Serum Albumin Binding
A preliminary detection technique of calcium ion is proposed in this work. It combines the calcium ions desorption from the bovine serum albumin...
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Resistance Against Calcium Chloride Attack of Alternative Binder-Based Sustainable Mortars
Nowadays, calcium chloride is commonly used as de-icer on roads and infrastructures to remove ice and snow, ensuring the safety of vehicles and...
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Comparative study of the effective removal of hexavalent chromium via calcium alginate and calcium alginate/Ulva fasciata composite
The present study revealed for the first time the removal of hexavalent chromium Cr(VI) with a high efficiency using an eco-friendly composite beads...
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Effect of Portland Cement Blending with Calcium Sulfoaluminate Belite Cement and Calcium Sulfate on Carbonation Resistance
Calcium sulfoaluminate belite cement (CSAB) is an environment-friendly alternative to portland cement (PC). CSAB cement has been shown to have up to...
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Calcium-to-phosphorus releasing ratio affects osteoinductivity and osteoconductivity of calcium phosphate bioceramics in bone tissue engineering
Calcium phosphate (Ca-P) bioceramics, including hydroxyapatite (HA), biphasic calcium phosphate (BCP), and beta-tricalcium phosphate (β-TCP), have...
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Sustainable Usage of Calcium Carbide Residue for Soil Stabilization: A Review
Calcium carbide residue (CCR) is a waste by-product of the acetylene gas manufacturing industry. Because of its zero-recovery value, the current...
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Characteristics of High Calcium Fly Ash Geopolymer Mortar
Portland cement is one of the principal sources of anthropomorphic CO2 emissions. It is estimated that cement production contributes up to 10% of...
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A new method to prepare calcium oxalate films for marble protection
Artificial calcium oxalate films have been applied to protect sculptures, monuments, and buildings made of marble due to their potential protective...
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Modification of Alumina and MgO·Al2O3 Inclusions by Calcium Treatment During ESR
Modifying alumina and MgO·Al2O3 inclusions to calcium aluminate inclusions with low melting-temperatures is an alternative countermeasure to minimize...
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Calcium Lignosulfonate as a Depressant for Enhancing Flotation Separation of Covellite and Enargite
Arsenic contamination significantly affects the quality of copper concentrates, presenting challenges during smelting processes. Considering that...
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Sintering and electrical conductivity of calcium-doped three-cation perovskite materials
La 1-x Ca x (B1,B2,B3)O 3 perovskite powders doped with calcium were synthesized and sintered. Calcium do** modified the A-site of the perovskite...
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Effect of calcium addition on the microstructure evolution, work hardening rate and wear resistance of the magnesium-calcium binary alloy at room temperature
At room temperature, the mechanical properties and microstructural evolution of magnesium-calcium alloys (Mg-Ca) were investigated. Magnesium with...
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Elemental Distribution Modification Toward Target Calcium Roasting of Vanadium-Bearing Slags
The elemental distributions among various phases in vanadium-bearing slags have been quantified toward high-efficiency separation and extraction by...
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High Temperature Corrosion of Ni-Cr Alloys Exposed to Calcium Oxide
Degradation of high temperature gas turbine components caused by calcium-rich deposits can lead to exposure of the underlying alloy. Understanding...
