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    Smelting - an overview | ScienceDirect Topics

    Smelting - an overview | ScienceDirect Topics

    Smelting is a form of extractive metallurgy to produce a metal from its ore. Smelting uses heat and a chemical reducing agent to decompose the ore, driving off other elements as gasses or slag and leaving just the metal behind. The reducing agent is commonly a source of carbon such as coke, charcoal, and coal.

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    Elkem to test first carbon capture pilot for silicon smelters ...

    Elkem to test first carbon capture pilot for silicon smelters ...

    Elkem Carbon is the world’s leading producer of such electrodes and supplies Elkem’s silicon plants. When the current is turned on a powerful electric arc is formed between the electrodes. This causes the oxygen in the quartz to react with the carbon in the carbonaceous material and form CO 2.

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    Tokai COBEX - Carbone Savoie, producer of synthetic graphite ...

    Tokai COBEX - Carbone Savoie, producer of synthetic graphite ...

    We also produce carbon electrodes and Soederberg paste used in metallurgical smelting processes for products such as silicon metal, as well as speciality graphite for a variety of applications e.g. in the chemical industry. The Tokai COBEX head office is located in Wiesbaden, Germany.

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    The Aluminum Smelting Process and Innovative Alternative ...

    The Aluminum Smelting Process and Innovative Alternative ...

    The cermet conducting electrodes, which is used by Alcoa. The word cermet means a combination of ceramics and metals and consists of a mixture of oxides and metals, NiFe 2 O 4 + NiO + Cu + Ag. The so-called “metal anodes” were previously developed by Moltech. These were metal alloys made of Ni + Fe + Cu

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    Infiltration of macroporous carbon materials with silicon ...

    Infiltration of macroporous carbon materials with silicon ...

    1. Introduction. Granular forms of graphite, graphene, and powdery carbon components, such as polycrystalline anthracite or coke, are mainly used in industrial carbon technologies as raw materials for the production of cathodes for aluminium electrolysis [], carbon and graphite electrodes for electric arc furnaces [], linings for blast furnaces [], carbon-carbon composites [] and other ...

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    How aluminum is made - material, manufacture, making, used ...

    How aluminum is made - material, manufacture, making, used ...

    Carbon electrodes transmit the electric current through the electrolyte. During the smelting operation, some of the carbon is consumed as it combines with oxygen to form carbon dioxide. In fact, about half a pound (0.2 kg) of carbon is used for every pound (2.2 kg) of aluminum produced.

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    Graphite - Wikipedia

    Graphite - Wikipedia

    Graphite (/ ˈ ɡ r æ f ˌ aɪ t /), archaically referred to as plumbago, is a crystalline form of the element carbon with its atoms arranged in a hexagonal structure.It occurs naturally in this form and is the most stable form of carbon under standard conditions.

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