Smelter
A facility that melts or fuses ore, often with an accompanying chemical change, to separate its metal content. Emissions cause pollution. "Smelting" is the process involved.
Smog ...
Pollution sources include smelter fumes and dust, some incineration products, fertilizer, municipal wastewater and sludge discharges. It is also an industrial byproduct of the manufacturing of zinc, copper and lead.
In large quantities, such as directly downwind of smelters, entire forest communities have been killed. In the past, this type of large dose, "point source pollution" was common in certain parts of the country.
Active smelters may be a source of high exposure to arsenic fumes and dust. The manufacture of pesticides and other agricultural products is the major source of occupational exposure.
Lead also enters the atmosphere from coal, oil, iron and steel production; lead smelters; battery production; solid waste; and tobacco smoke.
Fly Ash - The fine ash waste collected from flue gases from coal burning power plants, smelters, and waste incinerators. Fly ash can be used as a cement substitute in concrete, thereby reducing embodied energy of the concrete.
Area covered with overburden and other waste materials from ore and coal mines, quarries, and smelters, and usually having little or no vegetative cover. A miscellaneous land type.
mine wash ...
 See also: Water, Waste, Air, Release, Pollutant
  
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