differential flotation

differential flotation

[‚dif·ə′ren·chəl flō′tā·shən]
(mining engineering)
Separation of a complex ore into two or more mineral components and gangue by flotation.
References in periodicals archive ?
Subsequent differential flotation of the pyrite allows for separate sequestration of the acid-forming minerals.
A new paradigm in sulphide processing: by classifying flotation feed at a point where coarse recovery deteriorates, the existing flotation circuit can be optimized to improve performance
Zinc and copper concentrates are produced by differential flotation and are sold to Zincor and O'Okiep respectively.
Metorex spreads its African wings
Metallurgical work completed to date on samples from the Navidad deposits has demonstrated that Navidad mineralization is amenable to concentration by simple, cost effective, and environmentally benign differential flotation processes.
IMA Announces Preliminary Metallurgical Results from Navidad
Phase II involves rehabilitation of previously mined underground operations and conversion of the concentrator to differential flotation to allow production of separate lead, zinc and gold concentrates.
Eldorado advancing Greek and Romanian gold projects
Complex mineralogy dictated differential flotation.
Minera Bismark
Manganese was not recovered by the mine owner but Vena is currently testing a differential flotation flowsheet to recover this mineral.
Vena Resources Announces the Initiation of a Pre-feasibility Study on its Azulcocha Base Metals Project
The Escobal project is based on underground mining, utilizing low-cost development and production methods; a processing plant employing crushing, grinding, and differential flotation to produce lead and zinc concentrates; and a dry-stack tailings facility.
Tahoe expands planned production at Escobal
8M mt would be mined by underground methods and processed by differential flotation at a nominal rate of 850 mt/d.
North Atlantic Natural Resources
However, Reminex built a 180t/d pilot plant in 1988 and work with this showed that differential flotation, recovering the lead, followed by the copper, followed by the zinc, would be a better process.
Guemassa demonstrates Moroccan enterprise
The process flowsheet is based on a conventional three-stage crushing circuit and differential flotation for the production of three separate concentrates.
TVX Gold Inc. - Olympias Revised Bankable Feasibility Study Yields 17% Internal Rate of Return At $325 Gold
The pilot plant was a 120 mt/d operation set up to optimize the differential flotation process and act as a training ground for operators.
Back to the Veld: Prieska copper mines finally closed in January. A former employee visited it just before the end
Similarly seasonal variations in water quality, because of periods of drought, can also cause adverse effects on plant production and results, especially where selective or differential flotation is used.
Small capacity processing plants
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