In alumina refining, caustic soda typically constitutes about 15% of the costs ... Given bauxite deposits are not geologically scarce, alumina refiners and aluminum smelters can boost supply ...
Recycling metal cans seems straightforward, right? Toss it in the bin, and you’re done. But here’s the... The post Stop Crushing Cans: The Right Way to Recycle Metal Without Ruining It appeared first ...