bulk flotation

bulk flotation

[¦bəlk flō′tā·shən]
(mining engineering)
The rising of a mineralized froth, of more than one mineral, in a single operation.
References in periodicals archive ?
Combined gold recovery for both gravity and bulk flotation processes in the current test work is estimated at 82 percent for zone 103 and 89 percent for zone 104 and compares well with the previous metallurgical results of 2013.
Extremely fine intergrowth between galena and sphalerite minerals inhibits selective flotation separation and favours bulk flotation.
Bench scale testing has been largely completed and testing moved on to bulk flotation trails.
This collector has found application in the bulk flotation of copper and cobalt minerals in conjunction with other thiol collectors, usually at slightly lower than pH than other common thiol collectors.
In bulk flotation or differential depression circuits where two or more minerals have been floated simultaneously, it may be advantageous or necessary to recondition the product and refloat the concentrate to separate the individual minerals.
In 2006, an $82 million investment was announced to expand and modernise the bulk flotation process at KUC's Copperton Concentrator.
Following bench-scale testing Archer moved to important bulk flotation testing during July 2013 on larger ore samples.
PPL's expanded plant, simply put, now consists of a new circuit that is essentially a pebble flotation circuit and the old circuit, which is a bulk flotation circuit.
3] cells before forming the feed for the bulk flotation circuit.
HOUSTON -- Brazauro Resources (TSX VENTURE:BZO) is pleased to announce very positive results from bulk flotation and cyanidation tests on gold ore from the Company's Tocantinzinho Gold Project in Brazil, as performed and reported by Hazen Research, Inc.
At a number of concentrators, new effective reagent regimes have been introduced for the separation of bulk flotation concentrates, plant operation now incorporating full water recycling.
Acid pressure oxidation tests were conducted on a bulk flotation concentrate containing 86% of the gold [concentrate produced with Cyanimide A-208 (sodium diethyl and sodium di-secondary butyl dithio-phosphate), potassium amyl xanthate, copper sulfate and frother] at 20% solids, 220 [degrees] C, and with 50 lb/in.