flotation separation
nounUK /fləʊˈteɪʃən ˌsɛpəˈreɪʃən/
US /floʊˈteɪʃən ˌsɛpəˈreɪʃən/
Flotation separation is a way to sort things by making some of them float and others sink.
The recycling plant uses flotation separation to separate plastic from glass.
OTHER MEANINGS
2. A mineral processing method that uses bubbles to carry valuable minerals to the surface.
Flotation separation helps miners collect copper from crushed rock.
3. A water treatment process that removes oil or solids by making them float.
The plant uses flotation separation to clean dirty water.
4. The act of separating materials based on whether they float or sink.
In science class, we did flotation separation with cork and stones.