Originally Posted by
hemmjo
There are various ways to separate materials according to density.
If you "shoot" ground up materials off the end of a high speed conveyor belt, dense materials will travel further that less dense materials. This concept is used in some facilities.
Or materials can be feed into a vertical tube with air blowing upward, heavier stuff falls out of the air stream onto a conveyor, lighter stuff is blown into another bin. Various air speeds in different tubes can separate different density materials.
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