kiln gases

  • 1Cement kiln — Cement kilns are used for the pyroprocessing stage of manufacture of Portland and other types of hydraulic cement, in which calcium carbonate reacts with silica bearing minerals to form a mixture of calcium silicates. Over a billion tonnes of… …

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  • 2Rotary kiln — A Rotary kiln is a pyroprocessing device used to raise materials to a high temperature (calcination) in a continuous process. Materials produced using rotary kilns include:* Cement * Lime * Refractories * Metakaolin * Titanium dioxide * Alumina * …

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  • 3Hoffmann kiln — The Hoffmann Kiln is a series of batch process kilns. Hoffmann Kilns are the most common kiln used in production of bricks and some other ceramic products. A Hoffmann kiln consists of a main fire passage surrounded on each side by several small… …

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  • 4Lime kiln — A lime kiln is a kiln used to produce quicklime by the calcination of limestone (calcium carbonate). The chemical equation for this reaction is::CaCO3 + heat → CaO + CO2This reaction takes place at 900°C (at which temperature the partial pressure …

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  • 5Incineration — For other forms of waste plant that produces energy, see waste to energy. Incinerator redirects here. For the fictional character, see Incinerator (Transformers). Incinerate redirects here. For the Sonic Youth song, see Incinerate (song). For the …

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  • 6Oil shale extraction — is an industrial process in which kerogen mdash;a mixture of organic chemical compounds (including hydrocarbons) found in oil shale mdash;is converted into synthetic crude oil through pyrolysis. In pyrolysis, oil shale is heated in the absence of …

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  • 7Portland cement — is the most common type of cement in general usage in many parts of the world, as it is a basic ingredient of concrete, mortar, stucco and most non specialty grout. It is a fine powder produced by Portland cement clinker (more than 90%), a… …

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  • 8cement — cementable, adj. cementer, n. cementless, adj. /si ment /, n. 1. any of various calcined mixtures of clay and limestone, usually mixed with water and sand, gravel, etc., to form concrete, that are used as a building material. 2. any of various… …

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  • 9steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying …

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  • 10metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… …

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