Radial coal ash based micro-architectures and method of synthesis

Microparticles having crystalline needle or rod-shaped structures of, for example, an ettringite mineral grown and attached radially from their surface. A method including nucleating and growing crystalline needles/rods from the surface of a particle in the presence of a solution of calcium, sulfur,...

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Bibliographische Detailangaben
Hauptverfasser:	RICE EDWARD K, KAO GRANT M, BESCHER ERIC P, VALLENS JOHN KENNETH, SALKOWSKI JOHN T, HOYLE WALTER J, STREMFEL JACOB W
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA MANUFACTURE OR TREATMENT OF NANOSTRUCTURES MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES METALLURGY NANOTECHNOLOGY PERFORMING OPERATIONS REFRACTORIES SLAG SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES TRANSPORTING TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	Microparticles having crystalline needle or rod-shaped structures of, for example, an ettringite mineral grown and attached radially from their surface. A method including nucleating and growing crystalline needles/rods from the surface of a particle in the presence of a solution of calcium, sulfur, and aluminum such as calcium sulfoaluminate, lime and calcium sulfate is described. One example is the radial growth of ettringite needles on the surface of fly ash particles in calcium sulfoaluminate-based cement paste and concrete.