01-19-2020, 05:54 AM
hich of the following recycling operations (remaking from scrap) results in the biggest energy savings?Recycling aluminium saves 95% of the energy cost of processing new aluminiumThis is because the temperature necessary for melting recycled, nearly pure, aluminium is 600 °C, while to extract mined aluminium from its ore requires 900 °C.Other related question