dross$23120$ - определение. Что такое dross$23120$
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Что (кто) такое dross$23120$ - определение

FORM OF RECYCLING
Aluminum recycling; Hot Dross Processing; Metal Recycling; Recycled aluminum
  • The [[European Committee for Standardization]] logo for aluminium recycling.
  • Model promoting aluminium recycling at [[Douglas Aircraft Company]] in 1942

Aluminium dross recycling         
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ALUMINIUM DROSS
Aluminium Dross Recycling
Aluminium dross, a byproduct of the aluminium smelting process, can be mechanically recycled to separate the residual aluminium metal from the aluminium oxide.
dross         
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IMPURITIES IN MOLTEN METAL
n.
1.
Scum, recrement, scoria.
2.
Refuse, waste matter.
Dross         
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IMPURITIES IN MOLTEN METAL
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.

Википедия

Aluminium recycling

Aluminium recycling is the process by which scrap aluminium can be reused in products after its initial production. The process involves simply re-melting the metal, which is far less expensive and energy-intensive than creating new aluminium through the electrolysis of aluminium oxide (Al2O3), which must first be mined from bauxite ore and then refined into aluminium oxide using the Bayer process and then refined again into aluminium metal using the Hall–Héroult process.

Recycling scrap aluminium requires only 5% of the energy used to make new aluminium from the raw ore. For this reason, approximately 36% of all aluminium produced in the United States comes from old recycled scrap. Used beverage containers are the largest component of processed aluminum scrap, and most of it is manufactured back into aluminium cans.