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·In the test serpentine and talc were mixed at 1 1 mass ratio and the dosage of PAAS and GA were mg/L and 100 mg/L respectively According to Fig In the flotation test the single depressant has little depression effect on serpentine and talc mixed minerals Compared with single depressant the application of combined depressant
·To address the problem of the flotation separation of sulfides from serpentine and other Mg bearing silicate minerals polysaccharide depressants such as carboxymethyl cellulose CMC N carboxymethyl chitosan N CMC guar gum have been used to disperse slime particles of serpentine from sulfide surfaces [6 [12] [13] [14]] However the poor solubility of
·This is an article in the field of mineral processing engineering For the flotation of sulfide ores whose gangue mineral is serpentine serpentine can deteriorate the flotation of sulfide ores due to its easy mudification To solve this problem 2 hydroxyphosphonoacetic acid HPAA was used for the first time in this paper to eliminate the negative effect of serpentine
The adsorption and activation mechanisms of Cu 2 and Ni 2 ions on serpentine were investigated through adsorption measurements pure mineral flotation tests and IR spectra analyses It is found that the adsorption of Cu 2 and Ni 2 ions on serpentine agrees with the second order kinetics model and the isothermal adsorption process correlates well with the
·The effect of PBX concentration on the flotation performance of different sized galena and pyrite at pH 7 is studied and the results are shown in Fig shown in Fig 2 the flotation recoveries of these two minerals increased quickly with the increase of PBX PBX concentration reaches × 10 −4 mol/L the recoveries for both
·The flotation results showed that coarser serpentine possessed a weaker depression effect on the pyrite flotation process and the use of KAl SO4 2·12H2O could efficiently limit the detrimental
·Flotation Behavior of Microfine Grained Serpentine Minerals 2023 13 // better than those of the prolonged test group and it was found that longer sonication time did not ore easily muddied serpentine minerals have a great impact on the flotation process There fore nanobubbles were prepared via the ultrasonic method
·In the flotation process of serpentine containing copper nickel sulfide ore serpentine slime coatings significantly reduced the flotation performance of copper nickel sulfide The test work was carried out in the flotation cells XFD 63 with 1000 g sample The cell with the volume of L for rougher and L for cleaning flotation
·The flotation test results revealed that the existence of SMP can selectively activate the flotation of calcite and realize the reverse flotation separation of brucite and calcite New insights into the flotation responses of brucite and serpentine for different conditioning times surface dissolution behavior Int J Miner Metall Mater
·Experiments To evaluate the aggregation of serpentine on pyrite surface a novel experimental protocol was designed and the aggregation behavior and mechanism in the absence and presence of sodium isobutyl xanthate SIBX were explored through in situ optical microscope micro flotation contact angle zeta potential and FT IR Afterwards the
·A typical flotation test included the following steps 1 weigh g ascharite or serpentine in single mineral experiments; weigh a mixture of serpentine and ascharite at different mixing ratios 1 1 1 1 1 1 mass ratio of serpentine to ascharite in mixed minerals experiments and keep the mass of ascharite constant g
·The results of the micro flotation method showed how well HEDP was selectively inhibited in the pyrite serpentine flotation separation process On the basis of a number of measures including ICP OES tests Zeta potential testing Scanning electron microscopy SEM characterization and X ray photoelectron spectroscopy XPS analysis it was
·The results of the micro flotation method showed how well HEDP was selectively inhibited in the pyrite serpentine flotation separation process On the basis of a number of measures including ICP OES tests Zeta potential testing Scanning electron microscopy SEM characterization and X ray photoelectron spectroscopy XPS analysis it was
·The flotation results showed that the pyrite flotation recovery in the serpentine/pyrite flotation system recovered from % to % after the addition of 50 mg/L EDTMPA; zeta potential test adsorption test scanning electron microscope characterization SEM results showed that 50 mg/L EDTMPA made the surface kinetic potential of
·Utilization of phosphorylated starch as a selective depressant for serpentine in the flotation of nickel sulfide ore Minerals Engineering IF Pub Date 2024 09 06 DOI /
·In this study test data showed different rheological results at various densities When the solid ratio of sulfide to serpentine was 1 1 lower pulp density 20 wt % contributed to better
A novel method to limit the adverse effect of fine serpentine on the flotation of pyrite was investigated in this paper The flotation results showed that coarser serpentine possessed a weaker depression effect on the pyrite flotation process and the use of KAl SO 4 2 ·12H 2 O could efficiently limit the detrimental effect of fine serpentine on pyrite with a maximum
·Flotation results demonstrated that tetrasodium iminodisuccinate IDS could effectively eliminate the adverse effect of serpentine on the flotation of pyrite
·The chalcopyrite used in this study undergoes ultrasonic cleaning before each test Download Download high res image 143KB Download Download full size image; PESA and HPMA can effectively eliminate the negative impact of serpentine on the flotation of chalcopyrite It is worthy of pointing out that as a dispersant HPMA exhibits the
·In this study the role of nanobubbles in the flotation behavior of hydrophilic serpentine was examined Nanobubbles were successfully prepared via ultrasonic cavitation with sizes ranging from
·The flotation of sulphide ore in the presence of fine serpentine has been always a problem due to slime coatings To solve this problem attempts were made for the first time to eliminate
The flotation recovery of pentlandite increased with the increase of pulp pH peaking at pH 7 and then decreasing until pH 9 However the recovery rate of serpentine was marginally affected across the tested pH range remaining at approximately 30 % to 35 % with PHMP while DTP consistently yielded around 45 % recovery
The synergism between sodium polyacrylate and gum Arabia allowed selective depression of magnesium silicate minerals namely talc and serpentine The improved flotation separation was attributed
·The serpentine and talc blocks used as single mineral samples in this experiment were crushed and handpicked and then ground using ceramic balls and a stirred mill In the test talc with a particle size of 37 115 μm and serpentine with a particle size of −10 μm were used for the flotation test
·Flotation test of copper nickel sulfide and serpentine mixed ore after different kinds of mixing conditioning by agitator with four straight blades and agitator with four tilting blades were
