Dross is a mass of solid impurities floating on a molten metal or dispersed in the metal, such as in wrought iron. It forms on the surface of low melting point metals such as tin, lead, zinc or aluminium or alloys by oxidation of the metal.
An Economic and Technical Assessment of Black Dross . OSTI.GOV
5.1.2 Suitability of Aluminum Oxide Rich Dross and Salt Cake Slag . Every piece of aluminum charged into the furnace has a thin surface film of . truck or similar machine, can be used to skim the impurities formed on the surface of the molten by a filter press, stored in a storage tank, and pumped through two heat.
Aluminium Recovery System . Sanshin Sanwa Group: Aluminium .
ARS Hot Dross Processing Aluminium Recovery System . from aluminium oxide (hot dross) by using thermite reaction, gravity and vane agitation. . The full ARS system (the processing machine, cooled dross supplier, transfer unit, super . Transfers fine and medium size dross particles after being sorted by cooler; Single.