Slag: The fused refuse or dross separated from a metal in the process of smelting.
materials recovery device, processing scrap to recover metal from the slag
destruction or incineration system, processing waste materials into slag and gases ignited inside of a secondary combustion chamber that follows the reactor ...
a result of accumulation from soil or air, or from wood treatment, it must be checked before the ash is used in this way. Alternatively, ash may be used in the manufacture of construction blocks and cement. Ash that melts or fuses is known as slag or ...
 See also: Well, Emissions, Organic compound, Condition, Soil
  
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