A wooden, metal, or concrete flume used in mineral processing plants to convey liquid suspensions of ore from one stage of the circuit to another. Gravity does the work of moving the slurry, making launders a simple and energy-efficient way to feed thickeners, flotation cells, or tailings ponds.
Check the overflow launder on the primary thickener, it looks like it might be backing up with froth.
Related terms
Flotation
A mineral separation method that uses chemical reagents and air bubbles to lift specific target minerals to the surface of a liquid bath.
Concentrator
A facility or machine that separates valuable minerals from waste rock.
Tailings
The waste material left over after the valuable minerals have been extracted from ore.
Mill
An underground rock pass used to transfer broken ore to a lower level.