Quote:
Originally Posted by Malsua
Ferrous metals are picked out before they go into the burn chamber with huge electro magnets.
Non ferrous metals are separated out of the bottom ash(what's left after it's burned) with an eddy current separator. An eddy current separator induces a magnetic field in otherwise non magnetic metals and flings them out. It's an interesting machine. There are videos on youtube.
Glass and the rest end up getting buried in landfills. That said, the amount of waste is significantly reduced from what came in the door. What remains is about 5% of what came in.
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Actually, in the Covanta plant
all materials go into the combustion chamber. And, the amount that is left is about
10% of the original amount.
not the Covanta plant we are using but similar operation ->
Experience Covanta EfW Tour in Virtual Reality. Press Alt plus A for accessibility version.
It' my understanding that cardboard boxes should be flattened but need not be placed in bags. Also, cardboard can be placed out for pickup on any of your trash pickup days.