kiln atmosphere
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Kiln — Kilns are thermally insulated chambers, or ovens, in which controlled temperature regimes are produced. They are used to harden, burn or dry materials. Specific uses include: *To dry green lumber so that the lumber can be used immediately *Drying … Wikipedia
Cement 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… … Wikipedia
Lime 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 … Wikipedia
Reducing atmosphere — A reducing atmosphere is an atmospheric condition in which oxidation is prevented by removal of oxygen and other oxidating gasses or vapours. Usually nitrogen is used or in more extreme conditions hydrogen gas. In that case the atmosphere is… … Wikipedia
Rotary 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 * … Wikipedia
Raku ware — A 16th century black Raku style chawan, used for thick tea (Tokyo National Museum) File:Tea bowl with designs of pine boughs and interlocking circles, unknown raku ware workshop, Kyoto, 18th 19th Cent, Freer Gallery of Art.jpg Tea bowl with… … Wikipedia
Tin-glazing — is the process of giving ceramic items a tin based glaze which is white, shiny and opaque, normally applied to red or buff earthenware.The earliest tin glazed pottery appears to have been made in Iraq/Mesopotamia in the 9th century, the oldest… … Wikipedia
Tricalcium aluminate — (3CaO.Al2O3) is the most basic of the calcium aluminates. It does not occur in nature, but is an important mineral phase in Portland cement.PropertiesPure tricalcium aluminate is formed when the appropriate proportions of finely divided calcium… … Wikipedia
Waylande Gregory — Waylande Desantis Gregory (1905 Baxter Springs, Kansas – 1971, New Jersey) was one of the most innovative and prolific American art deco ceramics sculptors of the early twentieth century. His groundbreaking techniques enabled him to create… … Wikipedia
Yixing clay — (zh stpw|s=宜兴|t=宜興|p=Yíxīng|w=I Hsing) is a type of clay from the region near the city of Yixing in Jiangsu province, China. Its use dates back to the Song Dynasty (960 1279) when purple clay was first mined around Lake Taihu in China [… … Wikipedia
pottery — /pot euh ree/, n., pl. potteries. 1. ceramic ware, esp. earthenware and stoneware. 2. the art or business of a potter; ceramics. 3. a place where earthen pots or vessels are made. [1475 85; POTTER1 + Y3] * * * I One of the oldest and most… … Universalium
