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alumina

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alumina
alumina (əˈl(j)uːmɪnə) [mod.L.; formed, along with its Fr. equivalent alumine (also used in Eng.) on L. alūmen, alūmin-, alum, on the type of soda, potassa, magnesia, by the Fr. chemical nomenclators of 1787; its character as the earth of alum (alaun-erde) having been proved by Marggraf in 1754. Oth... Oxford English Dictionary
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Alumina Limited
Alumina Limited is an Australian holding company. Alumina's only business activity is as the owner of a 40% share in Alcoa World Alumina & Chemicals (AWAC), a joint venture with Alcoa. wikipedia.org
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FK Alumina
FK Alumina () is a football club from Skopje, North Macedonia. The club recently played in the Macedonian Third League. The administration of Bregalnica from Stip took control of Alumina in the summer of 2008. wikipedia.org
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White fused alumina
White fused alumina was obtained by the crystallization of the molten Bayer alumina feedstock in an electric arc furnace. The manufacture of white fused alumina is resulting in γ–Al2O3 in industrial alumina powder being completely transformed to α–Al2O3. wikipedia.org
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Worsley Alumina
Worsley Alumina comprises a bauxite mine located near the town of Boddington and an Alumina refinery located near Worsley. The carbon intensity of Worsley Alumina is of per alumina produced. wikipedia.org
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Activated alumina
Fluoride adsorbent Activated alumina is also widely used to remove fluoride from drinking water. Activated alumina filters can easily reduce fluoride levels from 10 ppm to less than 1 ppm. wikipedia.org
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Anolis alumina
Anolis alumina, the Barahona grass anole or shiny anole, is a species of lizard in the family Dactyloidae. The species is found in Hispaniola. wikipedia.org
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Alumina effect pigment
An alumina effect pigment is a pearlescent pigment based on alumina (aluminium oxide). coating the Al2O3 flakes with metal oxides can be attributed to the synthesis procedure yielding single-crystalline thin flakes The coating of the alumina wikipedia.org
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CN106830898B - Sponge alumina and preparation method and application ...
The invention provides sponge alumina and a preparation method and application thereof. The preparation method of the sponge alumina adopts an aggregate of aluminum hydroxide impregnated by alumina sol as a calcination raw material, the surface of the aggregate of aluminum hydroxide is coated with a layer of alumina sol containing aluminum oxide, the inner layer obtained by calcination is ...
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Refractory castable of nanocomposite oxide ceramic combining alumina ...
A technology for refractory castables and oxide ceramics, applied in the field of refractory castables, can solve the problems of thermal shock resistance cracks and spalling damage, affecting the service life of the refining ladle, structural spalling and damage, etc. The effect of improving mechanical properties, slag corrosion resistance and mechanical properties
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Synthesis of mesoporous gama-alumina by direct drying method
Corpus ID: 99824545; Synthesis of mesoporous gama-alumina by direct drying method @inproceedings{2008SynthesisOM, title={Synthesis of mesoporous gama-alumina by direct drying method}, author={张世刚 and 赵银峰 and 张阳阳 and 何常青 and 刘中民}, year={2008} }
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(PDF) Numerical simulation of alumina concentration distribution in ...
The anode gas/electrolyte two-phase flow occurring during the transport process of alumina in the melts of aluminum reduction cells was simulated numerically by using an Euler-Euler two-fluid ...
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Nitrate removal from water by nano-alumina: Characterization and ...
In the present study, adsorption of Co(tsPc)-4 using γ-Alumina was investigated. γ-Alumina was prepared by gel combustion method. The XRD pattern revealed that the synthesized γ-Alumina is amorphous and SEM image showed its nanosize scale while BET surface area about 501 m 2 /g and pore size of 7 nm implies highly porous surface which is a characteristic property of a high-quality adsorbent.
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Amorphous silica-alumina
It can be prepared in a number of ways for example: Precipitation of hydrous alumina onto amorphous silica hydrogel Reacting a silica sol with an alumina Some of the alumina is present in tetrahedral coordination as shown by NMR studies 29Si MASNMR and 27Al NMR Amorphous silica-alumina contains sites which wikipedia.org
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CN101913633A - Extraction technology of alumina and ... - Google Patents
The invention discloses an extraction technology of alumina and potassium sulfate from alunite by using a hot-pressing leaching process, comprising the following steps: mixing the alunite with a potassium hydroxide solution to prepare pulp; transferring the pulp into a hot-pressing system, carrying out hot-pressing leaching at 100-300 DEG C, cooling the obtained leaching solution, and carrying ...
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