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The relationship between the field strength of the magnetic separator and the grade of ore

Oct 01 2018 When the roasting temperature exceeds 1150 C the magnetic field strength has little effect on efficiency of magnetic separation Under a magnetic field strength of 250 mT and roasting temperature above 1150 C the average nickel content is the lowest average value of 717 and its recovery reaches the highest average value of 9090 and

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SHAO VEASEY

relationship between the flocculation recovery and magnetic field strength was morecomplex It was also found that the method used conventionally to calculate the magnetic interaction between particles is not suitable for strongly paramagneticminerals such as hematite1 INTRODUCTION Inthemineralbeneficiation ofparamagneticiron ores wet highintensity magnetic separation and flotation are commonly used to separate weakly magnetic

Coarse magnetic cobbing of the crushed ore has shown the advantages of rejecting a portion of low grade ore so that the energy consumption on the down stream grinding could be reduced With the magnetic iron recovery to the concentrate at 98 there is an optimum size at minus 1inch which achieved the rejection of 14 by weight

Oct 01 2018 The reduced LNCB with different metallization extent is obtained to research the effects of magnetic field strength on efficiency of magnetic separation Figure 12 illustrates the nickel content and the nickel recovery in magnetic product as a function of magnetic field strength at different roasting temperature It is found that the average content of nickel in the magnetic product decreased with a slow increase of the magnetic field strength

Separation and Recovery of Iron and Nickel from LowGrade

Separation and Recovery of Iron and Nickel from LowGrade

May 01 1994 Thereore the following conditions have to be met in a magnetic separator o i fmag c i 1 Since the magnetic force is directly proportional to the magnetic field strength one would expect that by increasing the magnetic field strength the performance of a magnetic separator

Hydrogen Reduction of Hematite Ore Fines to Magnetite Ore

342 Effect of Reduction on the Magnetic Separation The relationship between the grade of the concentrate and the conversion of Fe 2 O 3 in the hematite ore at a given reduction temperature was determined by analyzing the total iron content the results are shown in Figure 16

In this investigation the separation dynamics of particles in the inclined slurry in a high gradient magnetic field and the relationship between magnet length and separation performance were analyzed and a pilotscale WBHGMS separator was used to purify a quartz ore to confirm the analysis The separation results indicate that the magnet

Sep 01 2016 Sep 01 2016 4 The magnetic separator magnetic force is appropriate to the size of the magnetic source enter the magnetic field of magnetic material the size of the magnetic field force depends on the size of the force the size of the magnetic field strength depends not only on the level of the magnetic field but also has a close relationship between the magnetic field gradient

magnetic field strength density differential and cut point density Subsequent test work by Myburgh 3 carried out on production scale showed that by the application of a suitable magnetic field the yield to the concentrate could be reduced Owing to the variable nature of the ore feed to the production plant this observation could not be

THE EFFECT OF MAGNETIC FIELD ON THE

THE EFFECT OF MAGNETIC FIELD ON THE

Preconcentration of Iron Rare Earth and Fluorite from

Sep 15 2020 The BX8000 permanent magnetic drum separator developed by Baotou New Material Design and Research Institute was used in the wet permanent magnetic separation test The magnetic field strength of the drum of the magnetic separator was 08 T the concentration of continuous magnetic separation pulp was 25 wt and the flow rate of pulp was 20 Lmin

All magnetic separators are designed to provide a magnetic field gradient either in the gap between the poles of a magnetic circuit or in the air space near the magnetised surface such as that of a permanent magnet An effect of the field gradient is to induce stronger magnetism in

High intensity magnetic separation of tungsten ore slime samples from Rajasthan India assaying 530 and 287 WO3 was studied with the application of polymeric dispersant

with increased magnetic field strength and particle size For hematite2 the relationship between the flocculation recovery and magnetic field strength was morecomplex the strength of aggregates formed and wet highgradient magnetic separation can effectively separatethese aggregates fromthe dispersedgangue4 5

EVALUATION OF DRY COBBING LTV

crushed ore at minus 3inch minus 1inch and 58inch and their liberation characteristics Test Apparatus and Procedures The head pulley magnetic separator used for testing at CMRL is 48 inches in diameter and 24 inches wide The fixed magnet assembly inside the drum consists of six permanent magnets with alternating NS polarity

EVALUATION OF DRY COBBING LTV

EVALUATION OF DRY COBBING LTV

investigation students will be investigating one of the many factors that affects the strength of a magnetic force Grade Level Content 68Physical Science Lesson Summary In this lesson students determine how distance affects the strength of the magnetic force between magnets Estimated Time 2 45minute class periods

ship between magnetic field strength and haemozoin yield during magnetic purification procedures has not previously been examined Therefore the performance of three configurations of permanent rareearth neodymium magnets producing different strength fields was compared with a commercially available MidiMACS separator Miltenyi Biotec

In Equation is the beneficiation efficiency is recovery of magnetic separation concentrate is the yield of magnetic separation concentrate is the iron grade of the magnetic separation feedings and m is the theoretical iron grade of specular hematite 321 Effect of the reagents type and dosage on the magnetic separation index

The effect of magnetic field strenght on the efficiency of

May 01 1994 Magnetic field strength and magnetic separation 751 In order to illustrate the role of the magnetic field strength in HGMS typical examples as observed in the laboratory or on production scale will be presented Region of diamagnetic captttte Bo I 09 j 21 425 85 T Regi paramagnetic captureBo

Oct 01 2018 When the roasting temperature exceeds 1150 C the magnetic field strength has little effect on efficiency of magnetic separation Under a magnetic field strength of 250 mT and roasting temperature above 1150 C the average nickel content is the lowest average value of 717 and its recovery reaches the highest average value of 9090 and

Separation and Recovery of Iron and Nickel from LowGrade

Separation and Recovery of Iron and Nickel from LowGrade

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