Second, the cans are soaked in acid, so the designs and brand names ... Hamed places a crucible filled with the crushed scrap aluminum on the top of the furnace. The crucible is made of silicon ...

but Americans throw out millions of tons of it every year — mainly aluminum cans and other post-consumer scrap. At the same time, US can-recycling rates are falling drastically behind several ...

all of which have some value as scrap metals. Old gutters may be made of aluminum, so if they’re rusted and dented and need replacing, you might as well check to see how much you can get for ...