effect of depressant dosage on the flotation performance

effect of depressant dosage on the flotation performance

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The effect of frother type and dosage on flotation

Highlights Increased frother dosage resulted in increased froth stability. At high depressant dosage DOW 250s performance was superior to that of DOW 200. Increased frother dosage led to increased mineral recovery at the expense of grade.


effect of depressant dosage on the flotation performance

depressant dosage the flotation of all NFG is suppressed and that gangue is The effect of the two depressants on the recovery of sulfur was ore dependent gangue and sulfide minerals in the overall flotation performance of Merensky ores.


Effect of citric acid and flotation performance of

This study used microflotation, flotation of the actual ore, X ray photoelectron spectroscopy (XPS) analyses, reaction thermodynamic analyses and adsorption experiments, to examine the effect of citric acid (H 3 Cit) and a combined depressant (H 2 SO 4 /H 3 Cit) on collophanite ore flotation.


effect of depressant dosage on the flotation performance

investigating depressant behaviour in the flotation of selected Core. depressant dosage the flotation of all NFG is suppressed and that gangue is The effect of the two depressants on the recovery of sulfur was ore dependent gangue and sulfide minerals in the overall flotation performance of Merensky ores.


The effect of increased frother dosage on froth stability

The dosage of both guar gum and CMC as depressant was set at 0, 250 and 500 g/t to examine the effect that the presence or absence of NFG may have on the changes in frothability brought about by the changes in frother dosage.


effect of depressant dosage on the flotation performance

effect of depressant dosage on the flotation performance of fluorspar 4.7 9646 Ratings ] The Gulin product line, consisting of more than 30 machines, sets the standard for our industry.


The effect of frother type and dosage on flotation

The effect of frother type and dosage on flotation performance in the presence of high depressant concentrations


The effect of frother type and dosage on flotation

Read quot;The effect of frother type and dosage on flotation performance in the presence of high depressant concentrations, Minerals Engineeringquot; on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.


v118n1a8 Effect of frother and depressant interaction on

individual and interactive effect of flotation reagents at different dosages, using a full factorial experimental design approach with two factors at six levels. Laboratory tests were conducted to illustrate the effect of frother and depressant on flotation. The results were analysed using SPSS and MiniTab.


Effects of Process Parameters on Selective Flotation of

granulomery for rougher and cleaner flotation, pH of the pulp, dosage of collector, depressant and activator were studied in detail. The flotation performance was assessed in terms of yield,


The effect of frother type and dosage on flotation

Read quot;The effect of frother type and dosage on flotation performance in the presence of high depressant concentrations, Minerals Engineeringquot; on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.


v118n1a8 Effect of frother and depressant interaction on

flotation performance of Great Dyke ore. Nashwa (2008) reported on the effect on SIBIX Laboratory tests were conducted to illustrate the effect of frother and depressant on flotation. The results were analysed using SPSS and depressant dosage resulted in a decrease in mass pull due to


Optimisation of Reagent Addition during Flotation of a

determine the effect of stage dosing collector and depressant on flotation performance. Testwork was conducted on the Nkomati Main Mineralized zone orebody, a nickel sulphide


The interactive effect of depressant type and dosage with

The effect of depressant dosage increase on the water and froth stability is small in comparison to the effect of increased frother dosage. Thus for the levels tested the benefit of improved grade obtained by depressant addition would be lost.


Flotation of Nickel Copper Sulphide Ore Optimisation of

performance of various parameters such as pH, collector dosage, % solids and depressant dosage at different levels was investigated. Therefore, the main objective of the study was to optimize the process


The effect of copper sulphate addition on the recovery of

Flotation performance was evaluated using the relationship of mass to water recovery as well as the chromite recovery. Experimental details The ore 100 g/ton and 200 g/ton to evaluate the effect of the depressant dosage on the recovery of chromite during flotation.


Gangue Depressant in Molybdenum Flotation

effect of depressant addition rates on the rejection of copper, pyrite, and lead impurities present in the molybdenite concentrate. The results presented were analyzed at a constant concentration ratio of 5.


Enhanced phosphate flotation using novel depressants

polymers to help improve phosphate flotation performance by selectively agglomerating phosphate flotation, collector, depressant, clay binder, clay Lingyu Zhang Students Signature The effect of clay binder dosage on flotation yield with five clay binders .. 57


A Comparison between Column and Mechanical Cell

4.6.2 The effect of depressant dosage on grade recovery of mechanical and column cell 83 4.6.3 Overview of depressant dosage tests in series A, B and C 90 4.7 The effect of gentle conditioning with depressant .


Investigation of the Effect of Different Frother Blends on

The effect of frother blends on the flotation performance of selected PGM bearing ores. Presented at and in proceedings of XXVI P Franzidis. 2013. The effect of frother blends on the flotation performance of selected PGM bearing ores, Minerals Engineering 46 47 this high dosage of depressant can have a negative effect on the recovery of


Depressing Iron Mineral by Metallic Starch Complex (MSC

Figure 5 and Table 2 indicated that the flotation recovery of iron minerals increased with the increasing depressant dosage, but the iron recovery of depressant MSC was obviously higher than the caustic starch while adding the same concentration of starch.


A practical approach to plant scale flotation optimization

addition required in subsequent flotation stages. For depressant, a new protocol for deciding on dosage rate has performance of the froth phase and the pulp phase. found that a depressant dosage of 500 g/t completely


Evaluation of Mechanical Flotation of Non slimed Jordanian

In this work, three level fractional factorial experimental design was used to evaluate the effectiveness of collector, frother and depressant dosage on non slimed flotation feed. The results showed that froth dosage and collectordepressant interaction were the most significant flotation parameters.


Evaluation of Mechanical Flotation of Non slimed Jordanian

In this work, three level fractional factorial experimental design was used to evaluate the effectiveness of collector, frother and depressant dosage on non slimed flotation feed. The results showed that froth dosage and collectordepressant interaction were the most significant flotation parameters.


Effect of Oleic Acid on Froth Properties and Reverse

Table 5 shows the effect of OA dosages on reverse flotation performance while the DAH dosage was kept at 1.66 kg/Mg. According to Table 5 , the mineral matter recovery increased from 58.58 to 71.75% when OA dosages increased from 0 to 1.35 kg/Mg.


Flotation Reagents Mineral Processing Metallurgy

Flotation Reagent Pumps. The performance of froth flotation cells is affected by changes in unit load, feed quality, flotation reagent dosages, and the cell operating parameters of


Effect of particle size on flotation performance of hematite

Even though the flotation of fine hematite has been formerly investigated, the flotation performance data for a number of hematite particle size fractions is limited. In this study, the influence of particle size on flotation performance of single mineral and mixed minerals were investigated.


Effect of Sodium Pyrophosphate on the Reverse Flotation of

The effect of NaPP dosage on the flotation of apatite and dolomite is shown in Figure 4. Our results with single mineral flotation show that while NaPP was an effective depressant for apatite, it had minimal effect on dolomite flotation.


Influence of particle size and reagent dosage on the

All the aforementioned analyses of the optimum operating conditions led us to conclude that the simultaneous use of a low col lector dosage (50 g/t) with a medium depressant dosage (220 g/t) and a high average particle size (269 m) results in a maximum P2 O5 grade in the concentrate fraction.


Effect of depressants in the selective flotation of

The effect of water glass (WG) concentration as a depressant on the flotation recoveries of smithsonite and calcite is shown in Fig. 6. As we can see from Fig. 6, WG is a more effective


Stabilization of lead and Zinc Flotation Circuits sgs

This resulted in unacceptable lead and zinc flotation performance, which prompted initiation of a Zinc depressant and Activator Dosage Versus Time Figure 12 MIBC Dosage Versus Time. Note in Figure 11 above, how the zinc understandings of causation effect. SGS MINERALS SERVICES. TECHNICAL BULLETIN 2005 15. 6


Minerals Engineering International Online Froth

J. Wiese, P. Harris, The effect of frother type and dosage on flotation performance in the presence of high depressant concentrations, Minerals Engineering, Vol. 36 38, 2012 H. Miettunen, R. Kaukonen, K. Corin, S. Ojala, R.L. Keiski, Effect of reducing grinding conditions on the flotation behaviour of low S content PGE ores , Minerals


An Insight into Research and Investigations on Froth Flotation

pH, 10.15; %solids, 25; and depressant dosage, 100g/t were optimum conditions. They found that pH has the most significant effect on the recovery of nickel, copper and cobalt during flotation. Also it was observed that collector dosage and percentage solids had negligible effect. Lau et.al. investigated the recovery of oil from


Water Quality in PGM Ore Flotation The effect of Ionic

with an increase in depressant dosage for all ionic strength conditions. Further to this, it can be seen that with increasing ionic strength (at pH 9), the recovery of solids and water was higher compared to lower ionic strengths. Interestingly, at pH 11 an opposite trend was observed regarding the effect of ionic strength on solids recovery.


THE FLOTATION OF HIGH TALC CONTAINING ORE FROM

THE FLOTATION OF HIGH TALC CONTAINING ORE FROM THE GREAT DYKE OF ZIMBABWE performance can be improved by using collector combinations (mixtures) of the De sliming the ore was able to reduce the depressant dosage up to 300 g/t


A Study on the Utilization of Ultrasonic Pretreatment in

They have found that ultrasonic pretreatment had a positive effect in the flotation performance of calcite and barite. But, it had a negative effect in the flotation performance of quartz. Celik ( 9 Celik, M. S. ( 1989 ) Effect of ultrasonic treatment on the floatability of coal and galena .


Flotation of Egyptian Newly Discovered Fine Phosphate Ore

The effect of oleic acid dosage on flotation performance of phosphate ore was evaluated and the results are given in Fig. 3. In these experiments, 0.5 kg/ton sodium silicate was used as a depressant

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