flotation time on concentrate grade and recovery

  • RECOVERY OF COPPER FROM OXIDE COPPER ORE BY

     · flotation tests were unsuccessful in terms of both recovery and grade of concentrate product. The highest copper recovery of concentrate was found as 61.35 with 8.69 copper content. The concentrate with highest copper grade of 34.65 was obtained with only 26.98 copper recovery. Unsuccessful flotation of the test

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  • Mineral Processing ExperimentWhat Does Flotation

     · The flotation time has a large influence on the recovery grade. The longer the flotation time is the more the amount of foam scraped by the flotation machine and the higher the concentrate grade. However if they are too long the energy is wasted.

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  • Critical importance of pH and collector type on the

     · After lead flotation at optimum pH 8 the flotation of zinc at a different pH (5–11.5) with two collector types was performed to study the recovery and grade of zinc in the zinc concentrate.

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  • PlatinumPalladium Flotation911 Metallurgist

     · This quantity gave acceptable results and was not investigated as a variable. Although the concentrate grade was higher with a shorter flotation time recovery of Pt-Pd values was considerably lower. Likewise an increase in concentrate grade was obtained by floating at 20 pct rather than 40 pct solids but Pt-Pd recovery decreased.

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  • 1 Froth FlotationFundamental Principles

     · This tells us that the concentrate has 9.57 times the copper concentration of the feed. 1.1.1 Grade/Recovery Curves While each of these single calculated values are useful for comparing flotation performance for different conditions it is most useful to consider both the grade and the recovery simultaneously using a "Grade/Recovery Curve".

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  • Concentrate Grade Prediction in an Industrial Flotation

    Concentrate grade and tailings grade are two vital parameter indexes in a flotation process. To detect the grade succinctly and continuously a soft sensor based on case-based reasoning (CBR) is

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  • FLOTATION CONTROL OPTIMISATIONMINTEK

     · recovery while attempting to ensure a consistent product grade. In the simulated scenario (top graph on the right) at one point the recovery has dropped below the minimum. The Grade-Recovery Optimiser then adjusts the circuit operation to increase the recovery. As a consequence the concentrate grade decreases.

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  • Flotation of sylvinite from Thakhek Lao P.D.R.

     · sylvinite flotation are 150 and 50 g/ton correspondingly. This optimum condition yields 95.9 recovery with concentrate grade of 41.5 K 2 O comparing to 38.7 K 2 O with 96.6 recovery from 250 g/tom amine flotation. In order to verify chemical composition of this optimum concentrate XRD

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  • Influence of Residence Time and Fine Grinding on PGMS

     · secondary flotation to recover slow floating minerals which is the material that was not recovered from the primary stage and locked in time rocks. B. Flotation CircuitPrimary rougher this is the first stage where all readily floatable material is recovered. This stage does not produce an acceptable concentrate grade thus a cleaner

    flotation time on concentrate grade and recovery

    Three concentrate collection times are two ten and twenty two minutes are shown as yellow circles on the two graphs of recovery versus time and recovery Flotation Circuit Concentrate Grade and Recovery MinAssistThe texture of particles within a flotation cell play a pivotal role in both mineral recovery and the grade in the flotation

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  • Timed Flotation Test Cumulative Grade Recovery Curve

     · This illustration of a rougher feed flotation rate test for a slow floating nickel ore- shows why a minimum of four data points are required. Three concentrate collection times are two ten and twenty two minutes are shown as yellow circles on the two graphs of recovery versus time and recovery versus concentrate grade.

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  • flotation time on concentrate grade and recovery

    Three concentrate collection times are two ten and twenty two minutes are shown as yellow circles on the two graphs of recovery versus time and recovery Flotation Circuit Concentrate Grade and Recovery MinAssistThe texture of particles within a flotation cell play a pivotal role in both mineral recovery and the grade in the flotation

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  • Mineral Processing ExperimentWhat Does Flotation

     · The flotation time has a large influence on the recovery grade. The longer the flotation time is the more the amount of foam scraped by the flotation machine and the higher the concentrate grade. However if they are too long the energy is wasted.

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  • How to Maximize Grade and Recovery Curve- Case of Study

    Case of Study for a PbS flotation circuit. I have worked on a PbS lead ore (2.3 Pb feed) and I got a 50 grade and 60 recovery by applying a flotation circuit (see figure below). Then I wanted to increase both the grade and recovery. After several analyses I concluded that it is the liberation size that would have more effect.

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  • Critical importance of pH and collector type on the

     · After lead flotation at optimum pH 8 the flotation of zinc at a different pH (5–11.5) with two collector types was performed to study the recovery and grade of zinc in the zinc concentrate.

    flotation time on concentrate grade and recovery

    A Flotation Column is a type of flotation machine that incorporates some unique design features changes in retention time which alters collection ability with the varying supply of "enriched" in both the concentrate grade and recovery.

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  • 7 Factors Affecting Phosphate Froth Flotation

     · Therefore the appropriate flotation time is about 9 min P 2 O 5 recovery rate and grade of phosphate concentrate have reached good index. Fig.3 Effect of flotation time on P 2 O 5 grade and recovery rate of concentrate. Factor 4 Acid Type and Dosage. Phosphoric acid and sulfuric acid are common inorganic acid inhibitors in phosphate

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  • Molybdenite flotation from copper/molybdenum

     · Fig. 2 gives the flotation recovery and concentrate grade for molybdenum as a function of pulp pH at a fixed ozone condition­ ing time of 30 min. Mo grade in the concentrate is found to be highest at a pH of 7 to 10. However further experiments revealed that there is a relation between optimal ozone condi­ tioning time and pulp pH for

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  • 1 Froth FlotationFundamental Principles

     · This tells us that the concentrate has 9.57 times the copper concentration of the feed. 1.1.1 Grade/Recovery Curves While each of these single calculated values are useful for comparing flotation performance for different conditions it is most useful to consider both the grade and the recovery simultaneously using a "Grade/Recovery Curve".

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  • flotation time on concentrate grade and recovery

    A Flotation Column is a type of flotation machine that incorporates some unique design features changes in retention time which alters collection ability with the varying supply of "enriched" in both the concentrate grade and recovery.

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  • Enhancing flotation separation of chalcopyrite and

     · At the same time GA has a significant depression effect on the flotation recovery of talc which could reduce the possibility of talc entering the concentrate with flotation froth so the adverse

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  • Eight Factors Affecting the Flotation ProcessXinhai

     · Otherwise a longer flotation time is needed. Increasing the flotation time can increase the recovery rate but the concentrate grade will be decreased. In the beginning the recovery rate is increased obviously but with the prolongation of flotation time the increasing rate is decreased gradually until a fixed value. In short the flotation

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  • Eight Factors Affecting the Flotation ProcessXinhai

     · Otherwise a longer flotation time is needed. Increasing the flotation time can increase the recovery rate but the concentrate grade will be decreased. In the beginning the recovery rate is increased obviously but with the prolongation of flotation time the increasing rate is decreased gradually until a fixed value. In short the flotation

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  • FLOTATION TEST PROCEDURE (developed by Mike

     · a grade of 105g/t at 70 PGM recovery. Even with increasing depressant addition and extending cleaner and recleaner residence time (Test A) recovery is only raised to 64.8 for a much better grade of 140g/t. Again only IPF is being recovered together with IGF but at least some IGM is being rejected hence concentrate grade increases.

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  • Concentrate Grade Prediction in an Industrial Flotation

    Concentrate grade and tailings grade are two vital parameter indexes in a flotation process. To detect the grade succinctly and continuously a soft sensor based on case-based reasoning (CBR) is

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  • 「recovery concentrate flotation cell」

    Flotation cells for profitable minerals concentration . Adequate residence time for optimum recovery and concentrate grade Extremely reliable maintenance kept to a minimum Treat many particle sizes efficiently Benefit from more profitable minerals concentration The ideal flotation machine for your mining operations will deliver high recovery and grade with easier start up simpler operation

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  • How to Maximize Grade and Recovery Curve- Case of Study

    Case of Study for a PbS flotation circuit. I have worked on a PbS lead ore (2.3 Pb feed) and I got a 50 grade and 60 recovery by applying a flotation circuit (see figure below). Then I wanted to increase both the grade and recovery. After several analyses I concluded that it is the liberation size that would have more effect.

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  • FloatStarMINTEK MINTEK

    Grade-Recovery Optimisation . The typical objective of a flotation circuit is to produce a concentrate grade of a specified quality while providing the maximum recovery of the valuable mineral possible. The grade and recovery of the circuit will be influenced by amongst other factors the Level setpoints. Aeration rates. Cell residence times.

    「recovery concentrate flotation cell」

    Flotation cells for profitable minerals concentration . Adequate residence time for optimum recovery and concentrate grade Extremely reliable maintenance kept to a minimum Treat many particle sizes efficiently Benefit from more profitable minerals concentration The ideal flotation machine for your mining operations will deliver high recovery and grade with easier start up simpler operation

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  • (PDF) Froth recovery of industrial flotation cells

    The mineral recovery in the collection and froth zones was calculated in terms of operating variables such as residence time superficial gas rate and froth depth and the concentrate grade was

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