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.

Canada : Comstock Reports Positive Metallurgical Test Results for Its Preview Project, Saskatchewan

Extremely fine intergrowth between galena and sphalerite minerals inhibits selective flotation separation and favours bulk flotation.

Beneficiation studies on low-grade complex polymetallic lead-zinc ore of Duddar (Lasbela) Balochistan, Pakistan

Bench scale testing has been largely completed and testing moved on to bulk flotation trails.

Archer Exploration Limited (ASX:AXE) Half Yearly Report and Accounts

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.

Cheminova

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.

Using activated carbon to improve flotation

Following bench-scale testing Archer moved to important bulk flotation testing during July 2013 on larger ore samples.

Archer Exploration Limited (ASX:AXE) Exceptional Bulk Flotation Results For Campoona Graphite

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.

Plant optimisation at PPL

3] cells before forming the feed for the bulk flotation circuit.

Greens Creek keeps it clean

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.

Copper production in Russia

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.

Treatment of Alaskan refractory gold ores: updating data for economic development of regional gold deposits

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