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flotation process

   Also found in: Dictionary/thesaurus, Wikipedia, Hutchinson 0.06 sec.
flotation process, in mineral treatment and mining, process for concentrating the metal-bearing mineral in an ore ore, metal-bearing mineral mass that can be profitably mined. Nearly all rock deposits contain some metallic minerals, but in many cases the concentration of metal is too low to justify mining the ore.
..... Click the link for more information. . Crude ore is ground to a fine powder and mixed with water, frothing reagents, and collecting reagents. When air is blown through the mixture, mineral particles cling to the bubbles, which rise to form a froth on the surface. The waste material (gangue) settles to the bottom. The froth is skimmed off, and the water and chemicals are distilled or otherwise removed, leaving a clean concentrate. The process, also called the froth-flotation process, is used for a number of minerals, especially silver.


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Ronald Kobler, president of Recovery Plastics International (RPI), Salt Lake City, Utah, developed a skin flotation process to separate plastics from automotive shredder residue.
The road ahead: scrap recyclers glimpse their future in today's ... by Harler, Curt / Recycling Today
Barimite flotation grade barytes are natural, unbleached barytes produced using a unique flotation process, according to this two-page product bulletin.
Flotation grade barytes by Rubber World
The grant will be used for synthesizing and testing new mineral collectors that will not require the use of copper sulphate, the most expensive chemical in the flotation process for zinc.
New process cuts costs for mining companies: Technology eliminates ... by Lynch, Michael / Northern Ontario Business
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