European Type Jaw Crusher

European Type Jaw Crusher is a new crushing machine, the jaw crusher manufacturer, after the release of traditional jaw crusher. This jaw crusher is a perfect combination of modern science and technology and the production practice, which can better satisfy the automatic production demands of vast customers.

Input Size: 0-930mm
Capacity: 12-650TPH

Materials:
Granite, marble, basalt, limestone, quartz, pebble, copper ore, iron ore.

VSI6X Series Vertical Crusher

Due to the increasing market demand for the scale, intensification, energy conservation, environment protection and high-quality machine-made sand, a Chinese professional sand maker manufacturer, further optimizes the structure and function of traditional vertical-shaft impact crushers and launches a new generation of sand-making and reshaping machine with high efficiency and low costs --- VSI6X Series Vertical Crusher.

Input Size: 0-50mm
Capacity: 100-583TPH

Materials:
Granite, quartz, basalt, pebble, limestone, dolomite, etc.

LM Vertical Mill

High drying efficiency, Low running cost, Good environmental effect

LM Vertical Mill integrates crushing, drying, grinding, classifying and conveying together, and it is specialized in processing non-metallic minerals, pulverized coal and slag. Its coverage area is reduced by 50% compared with ball mill, and the energy consumption is saved by 30%-40% similarly.

Applications: Cement, coal, power plant desulfurization, metallurgy, chemical industry, non-metallic mineral, construction material, ceramics.

MTW Trapezium Mill

Large capacity, Low consumption, Environmental friendly

MTW European Trapezium Mill has a large market share in the grinding industry. Whether bevel gear overall drive, inner automatic thin-oil lubricating system or arc air channel, these proprietary technologies makes machine advanced, humanized and green.

Applications: Cement, coal , power plant desulfurization, metallurgy, chemical industry, non-metallic mineral, construction material, ceramics.

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Little abrasion wear, Long service life

Based on 30 years of development experience of grinding equipment, LM Heavy Industry produced LUM Series Superfine Vertical Roller Grinding Mill to make ultra-fine powder. The grinding roller doesn't contact with millstone usually, which makes abrasion little and service life longer.

Applications: Superfine dry powder of none-metal ores such as calcite, marble, limestone, coarse whiting, talc, barite and dolomite and so on.

effect of depressant dosage on the flotation performance of fluorspar

The interactive effect of depressant type and dosage

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.

Beneficiation of Haematite from Fluorspar Tailings by

2020-1-8  3. 2. 3. Effect of Depressant The effect of depressant on the Fe grade is shown in Fig. 5. This figure shows that as the concentration of the depressant is increased the Fe grade in the sinks decreases. This is because at higher dosages of depressant most of the material is rendered hydrophilic, thus some of the silica remain trapped

The effect of frother type and dosage on flotation

2012-10-1  Increased frother dosage resulted in increased froth stability. At high depressant dosage DOW 250’s performance was superior to that of DOW 200. Increased frother dosage led to increased mineral recovery at the expense of grade.

Fluorspar Beneficiation Process Plant 911 Metallurgist

2021-2-13  FATTY ACIDS IN FLUORSPAR FLOTATION. The concentration of fluorspar ores for the production of acid grade concentrates is accomplished by the use of combinations of reagents such as pH regulators, depressant and fluorspar promoters.

The effect of depressant sesbania gum on the

2019-1-1  The desliming flotation indicated that the talc slime removal rate could reach above 80%, while scheelite has a loss rate of over 17%. Thus, selective and high performance depressants should be used to depress talc instead of a talc removal process in advance. This work aims at flotation separation of scheelite from scheelite-talc system.

Investigating Ways of Improving Recovery of Slow

2021-3-26  effect on grade and recoveries as dosages of flotation reagents are altered. The fast floating Figure 2.4 Flotation Performance Influence Diagram Recovery-Time Relationships with Depressant Dosage for Cleaner Feed Flotation.....55 Figure 4.14 Variation of: (a) Grade-recovery and (b) Grade-Time relationships for Cleaner

Effect of citric acid and flotation performance of

2017-8-1  To better study the effect of the combined depressant on the flotation of apatite and dolomite, an artificial mixed-mineral flotation test was carried out. The results are shown in Table 3 . A concentrate containing 25.96 wt.% of P 2 O 5 grade and 6.92 wt.% of MgO was produced from a feed sample consisting of 19.94 wt.% of P 2 O 5 and 10.26 wt.% of MgO.

EFFECT OF THE PARTICLE SIZE ON FLOTATION

2011-12-14  b) In case of direct flotation, required dosage of depressant for silicate minerals (sodium silicate in solution form) was added to the above and conditioned for three minutes. Later, sodium oleate as a collector was added to the system and further conditioned for three minutes. c) Collector of required dosage was added and conditioned for three

Use of depressants in the direct flotation of a silicate

Hanna and Somasundaran (1976) attribute four main effects of the modifiers to the flotation of the sparingly soluble minerals: (i) direct effect on the property of minerals, such as adsorption capability and zeta potential; (ii) reduction of adsorption of the collector over the surface covered by the layer of the modifier; (iii) effect on the chemical composition of the pulp; (iv) effect on the foaming (frothing) process.

Effect of citric acid and flotation performance of

2017-8-1  Sulfuric acid (H 2 SO 4) is widely used as a depressant in the flotation of phosphorus minerals, usually in large dosages.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

Minerals Free Full-Text Effect of Depressants and

A full factorial experimental design was conducted to investigate the effect of temperature and depressants on the flotation of monazite and bastnaesite from carbonate gangue minerals. Temperature, sodium silicate, and guar gum dosage were examined.

v118n1a8 Effect of frother and depressant interaction on

2018-1-30  dosage to achieve a particular outcome may have secondary effects that override the desired effect, hence interactions have to be well understood if optimization is to be achieved. Little work has been reported on the flotation performance of Great Dyke ore. Nashwa (2008) reported on the effect on SIBIX and SIBIX-TTCs blends, but most of the work

Investigating Ways of Improving Recovery of Slow

2021-3-26  effect on grade and recoveries as dosages of flotation reagents are altered. The fast floating Figure 2.4 Flotation Performance Influence Diagram Recovery-Time Relationships with Depressant Dosage for Cleaner Feed Flotation.....55 Figure 4.14 Variation of: (a) Grade-recovery and (b) Grade-Time relationships for Cleaner

Flotation of Nickel-Copper Sulphide Ore: Optimisation of

2020-1-8  The effect on flotation 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 parameters for the flotation of base metals from a nickel-copper sulphide ore. 2. Materials and Methods 2. 1.

Effects of Process Parameters on Selective Flotation of

2020-5-6  depressant for zinc and selective flotation of lead minerals. The dosage of the depressant was varied from 0.215 kg/t. to 1.7 kg/t. The flotation results are graphically shown in Fig. 5. It is evident from the data shown in Fig. 5 that an increase in dosage of depressant from 0.215 kg/t. to

STUDIES ON ASH REDUCTION OF A NON-COKING COAL

2020-5-6  Hence the effect of dispersant/depressant on the flotation performance is investigated. Two tests were conducted, with and without dispersant. The results are presented in the Fig-6. and from which we can notice that presence of dispersant/depressant gave better results of yield and ash% than the test without dispersant. Use of

EFFECT OF THE PARTICLE SIZE ON FLOTATION

2011-12-14  flotation process, particle size of the sample is of primordial importance. This is determined on the basis of either the mineralogy and/or a careful design of laboratory flotation tests. The effect of particle size on flotation performance has been widely studied [1-6]. It is well established that the flotation

The effect of copper sulphate addition on the recovery of

2019-4-4  of copper sulphate dosage that can activate the chromite and also to evaluate the effect of the depressant type and dosage on the recovery of chromite in the flotation of UG2 ore. The two depressants selected were for evaluation of the guar gum, IMP4 and the carboxymethyl-cellulose (CMC), KU5. Flotation performance was evaluated using the

Use of depressants in the direct flotation of a silicate

1. Introduction. Flotation is the most common concentration process used by the mineral industry, both in quantity of ores processed and in diversity of applications (Peres et al, 2007).At present, over 2 x 10 9 t per year of ore is estimated to be processed through flotation. In Brazil, this technique played an important role in the growth of the mineral sector, especially in the industry of

Investigating Ways of Improving Recovery of Slow

2021-3-26  effect on grade and recoveries as dosages of flotation reagents are altered. The fast floating Figure 2.4 Flotation Performance Influence Diagram Recovery-Time Relationships with Depressant Dosage for Cleaner Feed Flotation.....55 Figure 4.14 Variation of: (a) Grade-recovery and (b) Grade-Time relationships for Cleaner

Effect of depressants in the selective flotation of

2019-1-21  Fig. 4 shows the effect of potassium lauryl phosphate dosage as a collector on the flotation of smithsonite and calcite at pH 8. The results in Fig. 4 indicate that flotation recoveries of smithsonite and calcite in the floated fractions increase sharply with the increasing potassium lauryl phosphate concentration when it is less than 2×10

Relationship between flotation operational factors and

2020-12-8  An anomaly was noted when evaluating the effect of changing depressant dosage. When increasing the depressant dosage it was expected that the amount of solids and ultimately water recovered would begin to decrease due to the depression of gangue. However, it was noted that with increasing depressant dosage the recoveries first increased and then

Effects of Process Parameters on Selective Flotation of

2020-5-6  depressant for zinc and selective flotation of lead minerals. The dosage of the depressant was varied from 0.215 kg/t. to 1.7 kg/t. The flotation results are graphically shown in Fig. 5. It is evident from the data shown in Fig. 5 that an increase in dosage of depressant from 0.215 kg/t. to

Water Quality in PGM Ore Flotation: The effect of Ionic

2017-6-19  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.

Flotation collectors optimized performance

contacted us with issues of flotation recovery, especially involving coarse sylvite. When brine temperatures went above 30 °C, the recovery started to drop and it was not possible to compensate completely by increasing dosage. Solution To support the customer, we designed an experiment to evaluate the effect of temperature

STUDIES ON ASH REDUCTION OF A NON-COKING COAL

2020-5-6  Hence the effect of dispersant/depressant on the flotation performance is investigated. Two tests were conducted, with and without dispersant. The results are presented in the Fig-6. and from which we can notice that presence of dispersant/depressant gave better results of yield and ash% than the test without dispersant. Use of

Froth flotation of Aljustrel sulphide complex ore

2017-5-26  flotation performance. It was shown that for this type of ore lower dosage of the collector should be applied. Finally, a higher frother dosage led to a greater selectivity and reduced entrainment of very fine particles, but also caused low kinetic ratio and low recovery of valuable minerals. A well-defined

Investigating froth stability: A comparative study of

These high depressant dosages have significantly destabilised the froth phase in a number of studies ( Bradshaw et al., 2005,Martinovic et al., 2005,Wiese, 2009 ). Wiese et al. (2010) has shown that an increase in frother dosage impacted the stability of the froth resulting in

The Auxiliary Effect of Copper Ions on the Depressant

Sodium thioglycolate is a chalcopyrite depressant, but its depressant effect is weak. The paper investigated the effect of CuSO4 on the depressant performance of sodium thioglycolate towards chalcopyrite through flotation tests, Zeta potential measurements, X-ray photoelectron spectroscopy (XPS) analyses and Fourier-transform infrared (FTIR) spectra measurements. It was found that

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