Bauxite. Bauxite is the most important aluminium ore. It consists largely of the minerals gibbsite Al (OH) 3, boehmite γ-AlO (OH), and diaspore α-AlO (OH), together with the iron oxides goethite and hematite, the clay mineral kaolinite and small amounts of anatase TiO 2. It was named after the village Les Baux-de-Provence in southern France ...

The Bauxite and Northern Railroad (B&N) is a short, three-mile railway built in 1906 by a subsidiary of Alcoa called the American Bauxite Company. In 2012, the Bauxite and Northern Railroad and its parent company at the time, RailAmerica, Inc., were purchased by Genesee & Wyoming Inc. Bachus, Gordon Scott.

Dutch. Formerly known as Dutch Guiana, Suriname was a plantation colony of the Netherlands that gained its independence on November 25, 1975. From 1980 to 1987 the country was governed by a succession of military regimes. A new civilian constitution was approved in 1987.

Potassium aluminum sulfate is chemical which conforms to the general formula KAl (SO 4) 2. Also known as aluminum potassium sulfate, its unique characteristics have made it an important compound to many industries. The commercial production of potassium aluminum sulfate is typically accomplished by a method called hydrometallurgy.

Sodium Hydroxide. Sodium hydroxide in products. Industrial uses of sodium hydroxide. Resources. Sodium hydroxide, NaOH, also known as lye and caustic soda, is an extremely caustic (corrosive and damaging to human tissue) white solid that readily dissolves in water.It melts at 605 ° F (318 ° C), boils at 2,535 ° F (1,390 ° C), …

French Guiana, as part of France, belongs to the European Union. The monetary unit is the euro and the current president of French Guianans is the French president, Nicolas Sarkozy. Movements for increasing French Guiana's autonomy grew during the 1970s and 1980s. In 1996, 1997, and 2000, all protest demonstrations ended in violence.

Bauxite is the ore from which aluminium is made. Jamaica contains some of the largest known deposits of bauxite in the world. The mining areas are located in the western and central parts of the island. After mining, most of the bauxite is carried to alumina plants where it is refined into alumina. The alumina (or in some cases unrefined ...

Greece, the only Balkan country in the European Union (EU), was the union's largest producer of bauxite, magnesium, nickel, and perlite, and was second to the United States in bentonite production (from Milos Island). Chromite (from Tsingeli Mines, near Volos) and zinc (from Kassandra Mines, in Olympias and Stratoni) were other important ...

Infoplease knows the value of having sources you can trust. Infoplease is a reference and learning site, combining the contents of an encyclopedia, a dictionary, an atlas and several almanacs loaded with facts. Our editors update and regularly refine this enormous body of information to bring you reliable information.

Infoplease knows the value of having sources you can trust. Infoplease is a reference and learning site, combining the contents of an encyclopedia, a dictionary, an atlas and several almanacs loaded with facts. Our editors update and regularly refine this enormous body of information to bring you reliable information.

History . Archeological excavations indicate that France has been continuously settled since Paleolithic times. The Celts, who were later called Gauls by the Romans, migrated from the Rhine valley into what is now France. In about 600 B.C., Greeks and Phoenicians established settlements along the Mediterranean, most notably at …

The Akan comprise a cluster of peoples living in southern and central Ghana and in southeastern Ivory Coast. They form a series of distinct kingdoms and share a common language, known as Twi, which has many dialects. Twi is a tonal language and, since missionary work during the eighteenth and nineteenth centuries, has been written …

Kids Encyclopedia Facts. Bauxite is the main ore of aluminium. It is mostly aluminium oxide. Bauxite is the most important aluminium ore. It is largely made up of the minerals Gibbsite Al (OH) 3, Boehmite γ-AlO (OH), and Diaspore α-AlO (OH), together with the iron oxides Goethite and Hematite, the clay mineral Kaolinite and small amounts of ...

Spanish. Of all the Central American countries, Costa Rica is generally regarded as having the most stable and most democratic government. Its constitution of 1949 provides for a unicameral …

Ruby and sapphire are known for their chemical inertness and hardness. Al 2 O 3 is produced in large quantities from the mineral bauxite. In the Bayer process, bauxite (primarily aluminum hydroxide mixed with iron hydroxide and other impurities) is selectively leached with caustic soda. Purified aluminum hydroxide is formed as a …

Infoplease knows the value of having sources you can trust. Infoplease is a reference and learning site, combining the contents of an encyclopedia, a dictionary, an atlas and several almanacs loaded with facts. Our editors update and regularly refine this enormous body of information to bring you reliable information.

Infoplease knows the value of having sources you can trust. Infoplease is a reference and learning site, combining the contents of an encyclopedia, a dictionary, an atlas and several almanacs loaded with facts. Our editors update and regularly refine this enormous body of information to bring you reliable information.

Infoplease knows the value of having sources you can trust. Infoplease is a reference and learning site, combining the contents of an encyclopedia, a dictionary, an atlas and several almanacs loaded with facts. Our editors update and regularly refine this enormous body of information to bring you reliable information.

Bauxite. Bauxite is an aluminum-rich sedimentary rock. It is the principal ore of aluminum. Aluminum in bauxite is hosted by aluminum hydroxide minerals, mostly gibbsite 4. The major impurities are iron oxides and hydroxides (which give reddish color to most bauxites) and clay minerals. Bauxite is a weathering product of aluminum-bearing rocks ...

Bauxite. Bauxite is a naturally occurring, heterogeneous material composed primarily of one or more aluminum hydroxide minerals, plus various mixtures of silica, iron oxide, titania, aluminosilicate [?], and other impurities in minor or trace amounts. The principal aluminum hydroxide minerals found in varying proportions with bauxites are ...

Bryophyta is a phylum with three classes, the largest of which is the mosses, with about 15,000 species. The gametophyte phase is dominant, and in mosses this is the familiar, small, green, leafy plant. Bryophytes do not have true leaves, stems, or roots, and they lack a vascular system for transporting food and water.

Britannica Money. Discover all you need to know about retirement, investing, and finance, without the jargon or agenda. Get reliable guidance, insight, and easy-to-understand explanations, written, edited, and verified to Britannica's exacting standards. Advocacy for Animals.

A collection of 87 elements that includes numerous families — the alkali metals, alkaline earth metals, transition metals, lanthanides, and actinides, as well as seven elements in groups 3 through5 of the North American system periodic table. Metals are lustrous or shiny inappearance, and ductile.

Malawi is a landlocked country about the size of Pennsylvania. Located in southeast Africa, it is surrounded by Mozambique, Zambia, and Tanzania. Lake Malawi, formerly Lake Nyasa, occupies …

The information filled four ledgers and was later used in the Nazi trials at Nuremberg. The War Department used these ledgers to clarify and complete some of its own records. After World War II, the aluminum plants turned to peacetime production, making sheet plate and foil. The last bauxite ore extracted from the Reynolds Hurricane …

Electrolysis is a process by which electrical energy is used to produce a chemical change. Perhaps the most familiar example of electrolysis is the decomposition (breakdown) of water into hydrogen and oxygen by means of an electric current. The same process can be used to decompose compounds other than water.

Effects Of Bauxite Mining In Guinea. Guinea facts, information, pictures | encyclopedia.Com articles.Get information, facts, and pictures about guinea at encyclopedia.Com.Completed in 1973, handles the output of the bok bauxite mine, as much as nine million tons a.Guineas first constitution took effect on 12 november 1958 …

Bauxite is the principal ore of aluminum. The first step in producing aluminum is to crush the bauxite and purify it using the Bayer Process. In the Bayer Process, the bauxite is washed in a hot solution of sodium …

Bauxite, bauxite bauxite A mixture of three hydrates of alumina, mainly gibbsite, and also diaspore and boehmite, and containing impurities of iron, phosphoru… Serpentine, serpentine A group of minerals belonging to the 1:1 group of phyllosilicates (sheet silicates) with the composition Mg6 [Si4O10](OH)8 and including t…

Gallium. melting point: 29.78 ° C boiling point: 2,250 ° C density: 5.907 g/cm 3 most common ions: Ga 2+, Ga 3+. In 1870 Dimitri Mendeleev predicted many of the properties of an unknown element that he called eka-aluminum. The element was discovered in 1875 by Paul-É mile Lecoq de Boisbaudran who named it gallium from …