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Ground granulated blast furnace slag is a latent hydraulic binder forming calcium silicate hydrates (C-S-H) after contact with water. It is a strength-enhancing compound improving the durability of concrete. It is a component of metallurgic cement ( CEM III in the European norm EN 197 ). Its main advantage is its slow release of hydration heat ...
Slag is usually a mixture of metal oxides and silicon dioxide. However, slags can contain metal sulfides and elemental metals. The major components of these slags include the oxides of calcium, magnesium, silicon, iron, and aluminium, with lesser amounts of manganese, phosphorus, and others depending on the specifics of the raw materials used.
Public glass waste collection point for different colors of containers. Glass recycling is the processing of waste glass into usable products. [ 1] Glass that is crushed or imploded and ready to be remelted is called cullet. [ 2] There are two types of cullet: internal and external. Internal cullet is composed of defective products detected and ...
Uranium glass is glass which has had uranium, usually in oxide diuranate form, added to a glass mix before melting for colouration. The proportion usually varies from trace levels to about 2% uranium by weight, although some 20th-century pieces were made with up to 25% uranium. [ 1][ 2] First identified in 1789 by German chemist Martin Heinrich ...
Broadly, modern glass container factories are three-part operations: the "batch house", the "hot end", and the "cold end". The batch house handles the raw materials; the hot end handles the manufacture proper—the forehearth, forming machines, and annealing ovens; and the cold end handles the product-inspection and packaging equipment.
Construction aggregate. Construction aggregate, or simply aggregate, is a broad category of coarse- to medium-grained particulate material used in construction, including sand, gravel, crushed stone, slag, recycled concrete and geosynthetic aggregates. Aggregates are the most mined materials in the world.
Slag is a liquid mixture of ash, flux, and other impurities. This reduction of slag viscosity with temperature, increasing the flow of slag in smelting, is the origin of the word flux in metallurgy. The flux most commonly used in iron and steel furnaces is limestone, which is charged in the proper proportions with the iron and fuel.
Vasa Murrhina is a cased glass; the name means vessel of gems. This type of glass has a long history pre dating Fenton. Frank M. Fenton had glass chemist Charles Goe develop a way to make it since the way it was made was long forgotten. The piece starts out as a ball of glass that is rolled in small pieces of broken glass called frit.
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