1) Industrial process 2) Metallurgical process
Found on
https://www.crosswordclues.com/clue/froth-flotation
Froth flotation is a process for selectively separating hydrophobic materials from hydrophilic. This is used in several processing industries. Historically this was first used in the mining industry, where it was one of the great enabling technologies of the 20th century. It has been described as `the single most important operation used for the ....
Found on
http://en.wikipedia.org/wiki/Froth_flotation
separation of minerals differing little in density but greatly in wettability by surface-active agents that stabilize a froth formed on the surface ...
Found on
http://www.britannica.com/eb/a-z/f/66
No exact match found.
