Functionalized Carbon-Bonded Filters with an Open Porous Alumina Coating: Impact of Time on Interactions and Steel Cleanliness†
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DOI: 10.1002/adem.201700170
Abstract: Understanding interactions between filter and molten steel is essential to improve the purity of casted products by filtration. Characteristic, in situ formed layers on the surface of carbon-bonded alumina filters result from these interactions. To… read more here.
Keywords: alumina; time; filter steel; steel ... See more keywords
Analyzing the Spatial Occurrence of High-Alumina Clays (Brazil) Using Electrical Resistivity Tomography (ERT)
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DOI: 10.1007/s00024-020-02444-w
Abstract: Mottled and high-alumina clay horizons (Gleysols) above dismantled iron crusts (Ferralsols) are widespread in the soils that developed on the flat sedimentary plateau located in western Minas Gerais State (Brazil). Field exploration shows that the… read more here.
Keywords: resistivity; ert; alumina clays; high alumina ... See more keywords
Three-dimensional ordered macroporous HPW/titania–alumina catalysts for catalytic oxidative desulfurization of fuels
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Porous Materials"
DOI: 10.1007/s10934-018-0627-y
Abstract: A series of three-dimensionally ordered macroporous (3DOM) alumina doped phosphotungstic acid (HPW)/TiO2 materials was synthesized successfully through sol–gel method with highly ordered 3D polystyrene monoliths as macroporous template. The characterization results of scanning electron microscope… read more here.
Keywords: hpw tio2; alumina; spectroscopy; microscopy ... See more keywords
In vitro drug release study from hydroxyapatite-alumina composites
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Sol-Gel Science and Technology"
DOI: 10.1007/s10971-018-4888-3
Abstract: AbstractModern technologies require new materials with an increasingly varied set of properties. In this context, biomaterials such as synthetic hydroxyapatite have become of great interest for research and development in the field of materials science… read more here.
Keywords: alumina; release study; hydroxyapatite alumina; alumina composites ... See more keywords
Characterization and study on the thermal aging behavior of palladium–alumina catalysts
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Thermal Analysis and Calorimetry"
DOI: 10.1007/s10973-017-6530-y
Abstract: A series of Pd/Al2O3 catalysts were prepared by incipient wetness impregnation method. Palladium loading was varied in a range of 0.125–4.0 mass%. The catalytic performance of the samples was tested in model reaction of CO oxidation… read more here.
Keywords: alumina; characterization study; spectroscopy; thermal aging ... See more keywords
Optimization of the calcination temperature for the solvent-deficient synthesis of nanocrystalline gamma-alumina
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DOI: 10.1007/s11696-018-0637-x
Abstract: Nano-sized alumina is prepared using a cost-effective solvent-free method with aluminum nitrate and ammonium bicarbonate precursors. Combined investigations by thermal analysis (TG/DTA), X-ray diffraction (XRD), specific surface area (BET), scanning electronic microscopy (SEM), infrared emission… read more here.
Keywords: alumina; temperature; temperature solvent; optimization calcination ... See more keywords
Slag Chemistry of High-Alumina Iron Silicate Slags at 1300 °C in WEEE Smelting
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DOI: 10.1007/s40831-017-0141-5
Abstract: New fluxing chemistries are appearing in secondary copper smelters, where the use of raw materials from various waste electric and electronic equipment sources as significant copper feedstocks associate greatly increased fractions of alumina in the… read more here.
Keywords: high alumina; alumina; chemistry; copper ... See more keywords
Effect of phase type in the alumina precursor on the flash calcination synthesis
Sign Up to like & getrecommendations! Published in 2021 at "Boletin De La Sociedad Espanola De Ceramica Y Vidrio"
DOI: 10.1016/j.bsecv.2021.04.004
Abstract: Abstract Economical alumina precursors, derived from bauxite or nepheline ores, were calcined through a very short time process. Results showed that phases of the precursor are a key parameter on the flash calcination process. The… read more here.
Keywords: flash calcination; phase type; calcination; alumina ... See more keywords
Research progress of ultrafine alumina fiber prepared by sol-gel method: A review
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DOI: 10.1016/j.cej.2020.127744
Abstract: Abstract As a widely used high-performance inorganic fiber material, preparation and application of ultrafine alumina fibers have attracted much attention in last decades. Therein, preparation of ultrafine alumina fibers via sol gel method has the… read more here.
Keywords: sol gel; alumina; ultrafine alumina; alumina fiber ... See more keywords
Microwave and conventional treatment of low-cement high-alumina castables with different water to cement ratios; Part I. Drying
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DOI: 10.1016/j.ceramint.2017.09.065
Abstract: Abstract The aim of this study was to determine the effect of the microwave and conventional drying method on the strength, porosity and composition of low-cement alumina castables with various water to cement ratios (wcr).… read more here.
Keywords: alumina; water; microwave conventional; cement ... See more keywords
Microstructural development and mechanical performance of mullite-alumina and hibonite-alumina ceramics with controlled addition of a glass phase
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DOI: 10.1016/j.ceramint.2017.10.192
Abstract: Abstract Robust mechanical properties of refractory ceramics are critical to their performance in industrial applications. To investigate the effects of glass on the sinterability and mechanical properties of refractory ceramics, a controlled amount of glassy… read more here.
Keywords: phase; alumina hibonite; alumina; mullite alumina ... See more keywords