Slag is a partially vitreous by-product of the process of smelting ore, which separates the desired metal fraction from the unwanted fraction. Slag is usually a mixture of metal oxides and silicon dioxide. However, slags can contain metal sulfides (see also matte) and metal atoms in the elemental form. While slags are generally used to remove waste in metal smelting, they can also serve other purposes, such as assisting in the temperature control of the smelting, and minimizing any re-oxidation of the final liquid metal product before the molten metal is removed from the furnace and used to make solid metal.

Read more about SlagOre Smelting, Ancient Slag Use, Modern Slag Uses, Basic Slag

Other articles related to "slag":

Archaeometallurgy – Slag Analysis – Ferrous Metallurgy - Slag Analysis - Mineralogical Analysis
... SEM, and XRD can tell us the identity and distribution of minerals in slag ... Minerals present in slag are often good indicators of gas atmosphere in furnace, cooling rate of slag and homogeneity of slag ... If there is un-decomposed charge trapped in slag, more information about ore and flux can be learnt ...
Slag Hill
... Slag Hill is a subglacial volcano associated with the Mount Cayley volcanic field in British Columbia, Canada ... There are quench features at Slag Hill, which is suggesting that the volcanic activity was subglacial ... Slag Hill was formed throughout the Pleistocene period, but its most recent volcanic activity produced a lava flow on its western lobe that shows no ...
Slag (disambiguation) - Entertainment and Media
... Slag (play), an early play by David Hare Slag (Transformer), the Transformers character Slag is an elemental effect in the computer game Borderlands 2 ...
London To Lewes Way (Roman Road) - Camp Hill To Lewes
... A slag metalled agger exists at Old Workhouse Farm where the road leaves the open forest ... Park Wood and Fairhazel Wood at Piltdown as an agger with slag metalling ... in the park at Buckham Hill House was found by Margary to have perfectly intact metalling of slag, gravel and brown flints, 4.5 metres (15 ft) wide and 38 ...
Basic Slag
... Basic slag is a byproduct of steelmaking using the basic version of the Bessemer process or the Linz-Donawitz process ... of Plant Food Control Officials, basic slag must contain at least 12% total phosphoric acid (P2O5) or be labeled "low phosphate" ...

Famous quotes containing the word slag:

    On their slag heap, these children
    Wear skins peeped through by bones and spectacles of steel
    With mended glass, like bottle bits in slag.
    Stephen Spender (1909–1995)

    These foliaceous heaps lie along the bank like the slag of a furnace, showing that Nature is “in full blast” within.
    Henry David Thoreau (1817–1862)