Design of Flotation Circuits Including Uncertainty and ...

    concentrate, circuit feed, and water recovered from tail thickener. The results show that is best to use water recycled from the tail thickener, and send the scavenger concentrate to the rougher stage. 4. Conclusion A model for the design of flotation circuits under uncertainty has been presented.

    • Published in: Computer-aided chemical engineering · 2012Authors: Nathalie Jamett · Juan Pablo Vielma · Luis A CisternasAffiliation: University of Antofagasta · University of PittsburghAbout: Stochastic programming · Process design[PDF]
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    HydroFloat® Flotation | Eriez Flotation Division

    About Eriez Flotation Division. Formerly known as Canadian Process Technologies, Inc. (CPT), EFD is a wholly owned subsidiary of Eriez Manufacturing Co. Since acquiring CPT in 2007, Eriez provides advanced testing and engineering services in addition to sparging and column flotation equipment for the mining and minerals processing industries.

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    Molybdenum Ore Processing by Flotation

    Coarse Flotation Circuit. On many molybdenum ores a high-grade concentrate can be made in this four-cell coarse flotation circuit. The "Sub-A" Flotation Machine is the only unit that can successfully treat such coarse feed without sanding up. Tailings from this coarse flotation circuit go to a separate regrind circuit. Regrind Circuit

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    Mineralogical and Metallurgical Examination of ...

    Mineralogical and Metallurgical Examination of Fluorosilicate Mineral Flotation in the Ok Tedi Circuit L S Pang urn 1, D W Lauder2, E V Manlapig 1, I R Mackinnon3 and J W Glatthaar4 ABSTRACT The Ok Tedi copper orebody consists of porphyry and skarn orebodies.

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    The ProducTion of high grade iron ore concenTraTes using ...

    flotation circuit is typically 20% - 30 % less than an equivalent conventional flotation circuit but can be as much as 50% lower depending on the circuit and plant location. The Brazilian iron ore industry has led the world in adopting column flotation technology for reducing the silica content of iron pellets[5].

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    Design of Flotation Circuits Including Uncertainty and ...

    concentrate, circuit feed, and water recovered from tail thickener. The results show that is best to use water recycled from the tail thickener, and send the scavenger concentrate to the rougher stage. 4. Conclusion A model for the design of flotation circuits under uncertainty has been presented.

    • Published in: Computer-aided chemical engineering · 2012Authors: Nathalie Jamett · Juan Pablo Vielma · Luis A CisternasAffiliation: University of Antofagasta · University of PittsburghAbout: Stochastic programming · Process design[PDF]
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    THE KNELSON CONCENTRATOR: APPLICATION AND .

    FIG 2 - Copper flotation circuit ROSEBERY FEED LEAD CIRCUIT j' 1 Conditioner 9 1 1 I A-Cyclone i Con F IG 3 - Lead flotation circuit. . THE KNELSON CONCENTRATOR: APPLICATION AT ROSEBERY FEED 1 I 1 f c,+Conditioner I 4Conditioner i-CON F IG 4 - Zinc flotation circuit. Concentrates from the gravity circuit were initially combined and sold with ...

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    US4460459A - Sequential flotation of sulfide ores - Google ...

    A sequential flotation process for the recovery of high-grade concentrates of copper, lead and cobalt-nickel from sulfide ores is provided. A primary grind ore pulp is conditioned with SO 2 as H 2 SO 3 under intense aeration, and the conditioned pulp subjected to sequential flotation, with regrinding and conditioning of a copper rougher concentrate obtained in the first flotation step for copper.

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    Sulphide Flotation - an overview | ScienceDirect Topics

    The copper-bearing eluate is returned to the leaching circuit, while the gold eluate is either electrowon or precipitated. Jeffrey et al. (2008b) also reported gold recoveries of >95% from a pressure-oxidized flotation sulfide concentrate. In this work, an integrated RIP process was tested, using a gold thiosulfate process incorporating a novel ...

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    Froth flotation circuit design and basic testwork ...

    The rougher and scavenger concentrates may be reground to a predetermined liberation size and then subjected to two or three stages of cleaner flotation to produce a final flotation concentrate. Cleaner flotation tailings is an intermediate product and is recycled within the flotation circuit.

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    Improving the Flotation Circuit Performance ... - onemine

    Jan 01, 2018 · Figure 1 shows the location of the mine site. After crushing and grinding, froth flotation is used to produce nickel and copper concentrates. The flotation circuit is designed with multiple stages consisting of bulk copper/nickel flotation, copper/nickel separation, and a separate nickel circuit (bulk float and cleaning)."

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    Metallurgy & Mineral Processing - SRK

    concentrates • Locked-cycle flotation tests under optimised conditions to evaluate the effect of recirculating intermediate test products on overall mineral recovery and concentrate grade • Thickening tests on flotation tailings and final flotation concentrates • Filtration tests on the final flotation concentrate. It should be noted that ...

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    The ProducTion of high grade iron ore concenTraTes using ...

    flotation circuit is typically 20% - 30 % less than an equivalent conventional flotation circuit but can be as much as 50% lower depending on the circuit and plant location. The Brazilian iron ore industry has led the world in adopting column flotation technology for reducing the silica content of iron pellets[5].

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    Optimizing Flotation Circuit Recovery by Effective Stage ...

    the flotation circuit configuration is not very se nsitive to stage recovery [9,19 ]. The overall output suggests that choosing the best flotation circuit is not sensitive to the stage recovery, and as a result, only approximate values of the recovery can be used to select the optimal flotation circuit [6,9,20 ].

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    Closed-water circuitry of a coal preparation plant with ...

    Most coal preparation plants treating metallurgical coal employ flotation process for recovering concentrate from -0.5mm fraction. For full utilization of combustibles, the common practice of flotation operation is to give a relatively low ash concentrate while leaving a medium ash tailing as an inferior fuel.

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    A CompArison Between A FlotAtion mini pilot plAnt And A ...

    closed circuit with a cyclone pack and a flash flotation. the samples are ground at 62 - 63 per cent of solids. the feed of the flotation circuit consists of 200 t/h of ore that has been ground to 70 per cent finer than 100 μm. the target range for the concentrate copper grade is 37 to 40 per cent and 0.3 to 0.4 per cent Cu for the final tailings.

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    Hydrometallurgical Production of Copper From Flotation ...

    Hydrometallurgical Production of Copper From Flotation Concentrates By J. R. Cobble, C. E. Jordan, and D. A. Rice UNITED STATES DEPARTMENT OF THE INTERIOR Bruce Babbitt, Secretary BUREAU OF MINES This report is based upon research conducted under an agreement between the University of Alabama and the Bureau of Mines.

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    Froth flotation circuit design and basic testwork ...

    The rougher and scavenger concentrates may be reground to a predetermined liberation size and then subjected to two or three stages of cleaner flotation to produce a final flotation concentrate. Cleaner flotation tailings is an intermediate product and is recycled within the flotation circuit.

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    Froth flotation - Wikipedia

    Froth flotation is a process for selectively separating hydrophobic materials from hydrophilic.This is used in mineral processing, paper recycling and waste-water treatment industries. Historically this was first used in the mining industry, where it was one of the great enabling technologies of the 20th century.

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    Designing the Optimal Flotation Circuit – The Prominent ...

    concentrate quality by rejecting non-sulfide gangue containing impurities. An IsaMill™ and a Jameson Cell are included in the circuit for fine grinding and for additional concentrate cleaning. Plant performance since commissioning has justified the approach for metallurgical test work and equipment choices for the flotation circuit.

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    Copper extraction - Wikipedia

    Copper extraction refers to the methods used to obtain copper from its ores.The conversion of copper consists of a series of physical and electrochemical processes. Methods have evolved and vary with country depending on the ore source, local environmental regulations, and other factors.

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