buildyourown t1_j67hqam wrote
Reply to comment by HockeyCookie in ELI5: Is aluminum common enough that it’s not a concern, or are we just really good at recycling it? by RestrictedCervical
Anything structural requires new aluminum. Including cans.
Scrap aluminum is actually mostly used as an oxidizer for steel production. They add it to the pot and it pulls all the impurities to the top.
Refining metals is a dirty business.
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