flotation flotation silica ionic

Cationic Silica Flotation from Taconite

Silica was the material whose surface electrical properties were monitored during these cationic flotations of silica from taconite ores The actual sensor plug was fabricated of porous Vycor, an intermediate in the conversion of Pyrex to Vycor, that isThe flotation recovery of silica increased from 60 to approximately 75% simply by increasing the concentration of dodecane from 0 to 1150 g/t Considering that dodecane did not cause any aggregation of particles in the flotation cell under the experimental conditions used, the increase may be attributed to the increased hydrophobicity of the particlesStability and flotation behaviour of silica in theThe newly developed AnionicCationic Process is directed to a new flotation process for beneficiating glass sand and foundry sand deposits The flotation feed is relatively lower grade flotation feed prepared by conventional washing and sizing method016IMA 2018 AnionicCationic Process for Silica Sand

On the mechanism of the flotation of oxides and

On the basis of surface chemistries (especially hydrophobicity), froth flotation is the most suitable beneficiation method for the separation of the quartz and the feldspar Bubbles attached to theThe Cabearing minerals flotation behaviour study has been performed using amine, mixture of amine and non ionic reagent and fatty acid in order to separate Cabearing mineral from silicates Many researchers have reported on flotation of Cabearing minerals using amine and oleic acid collectors ( Hanna and Somasundaran, 1976 )Selective flotation of silicates and Cabearing mineralsThe effect of amine collector type, pH, and ionic strength on the flotation behaviour of kaolinite was investigated in a series of laboratory batch flotation tests In distilled water, ether diamine, a strong collector for silica, does not induce any flotation or only very weak flotation of kaolinite over a wide pH range from pH 3 to pH 105Effect of collector, pH and ionic strength on the

Effect of sodium silicate on the reverse anionic

Flotation is usually employed to remove silicate as the main impurities from many ore types, especially iron ores Iron oxides can be concentrated either by direct flotation, using anionic collectors, or reverse flotation of siliceous gangue with both cationic and anionic collectors,Developed specifically to improve flotation processes in oredressing plants, this ionic composition system regulates the quality of recycled water used in flotation It automatically monitors ionic composition and releases reagents enabling it to reach increased recoveries of the valuable metalsRegulating ionic composition of flotation water | AxoraFlotation is one of the commonly used methods for silica sand beneficiation It is mainly used to remove mica and feldspar minerals that are symbiotic with silica sand However, in the actual production process, the flotation process will be affected by many factors, including:5 Factors Affecting Silica Sand Flotation Miningpedia

Sodium Silicate in Phosphate Flotation

The use of sodium silicate accelerated the flotation of phosphate relative to quartz, and also made the froth drier (continuous flotation) Calcium silicate precipitates served as a protective coating on bubbles and stabilized the froth, due to an increaseOn the basis of surface chemistries (especially hydrophobicity), froth flotation is the most suitable beneficiation method for the separation of the quartz and the feldspar [11] [12] [13] BubblesOn the mechanism of the flotation of oxides andFlotation Procedure The newly developed AnionicCationic Process is directed to a new flotation process for beneficiating glass sand and foundry sand deposits The flotation feed is relatively lower grade flotation feed prepared by conventional washing and sizing method The methods of the present invention includes steps of:016IMA 2018 AnionicCationic Process for Silica Sand

Froth Flotation in Saline Water JSTAGE Home

This requires new flotation technologies for Hence, the question arises how the ionic strength of the process water affects flotation Many differ ated hydrophobic silica and hydrophilic silica – as demonstrated by the bottom (b) part of Fig 2 are the sameDeveloped specifically to improve flotation processes in oredressing plants, this ionic composition system regulates the quality of recycled water used in flotation It automatically monitors ionic composition and releases reagents enabling it to reach increased recoveries of the valuable metals As an additional benefit, it reduces harmfulRegulating ionic composition of flotation water | AxoraThe flotation efficiency of silica particles using the ionic surfactants, sodium dodecylbenzenesulfonate (SDbS) and cetyltrimethylammonium bromide (CPB), have been investigated Results from adsorption, electrophoretic mobility, dispersion stability and direct interaction force measurements are used to develop an understanding of the role of ionic surfactants in particulate flotationAdsorption of ionic surfactants in particulate systems

5 Factors Affecting Silica Sand Flotation Miningpedia

Flotation is one of the commonly used methods for silica sand beneficiation It is mainly used to remove mica and feldspar minerals that are symbiotic with silica sand However, in the actual production process, the flotation process will be affected by many factors, including: feed size, slurry temperature, slurry liquid chemical composition, flotation reagents and other flotation conditionsPDF | In this study, upgrading of flotation silica/glass sand concentrate (clear flat glass quality), sized 0600 ± 0106 mm, from Camis Mining Company| Find, read and cite all the research(PDF) Upgrading Silica/Glass Sand ConcentrateFlotation Kinetics A study of flotation kinetics quantifies the flotation rates of minerals thereby providing information useful not only in the design and operation of flotation cells as well as circuits, but also in the evaluation of flotation reagents and their schedule A kinetic model, proposed by Schuhmann (1942) for continuous flotationSodium Silicate in Phosphate Flotation

Water Quality in PGM Ore Flotation: The effect of Ionic

This study investigates the interactive effect of plant water ionic strength and pH in the flotation of a sulphidic PGM bearing ore Results suggest that water quality variations may have effects at both the airwater interface as well as the mineral air interface Key words Froth stability, Ionic strength,The main challenge in scheelite flotation lies in the contamination of the concentrate by other calciumbearing minerals, mainly calcite To remedy this problem, sodium silicate is frequently used as a depressant According to the literature, one hypothesis for the mechanism of water glass consists in its absorption onto calcite through colloidal silica formation, preventing hydrophobizationThe Potential Role of Colloidal Silica as a DepressantAbstract The major type of bauxite in China is lowgrade diasporic bauxite, which is mainly composed of diaspore and kaolinite Separation of silicate minerals by flotation technology can meet the requirements of Bayer process, but Na +, K + and Cl − deriving from mineral dissolution and entrainment in flotation water will inevitably mix in the flotation slurry, which will affect theIonic Effect of NaCl and KCl on the Flotation of

Regulating ionic composition of flotation water | Axora

Developed specifically to improve flotation processes in oredressing plants, this ionic composition system regulates the quality of recycled water used in flotation It automatically monitors ionic composition and releases reagents enabling it to reach increased recoveries of the valuable metals As an additional benefit, it reduces harmfulIn this work the reverse flotation as beneficiation process for highpurity silica valorization from Draissa quartz deposits (Algeria) is studied as a potential raw material for photovoltaic silicon production and starting charge for crystal growth material for a large wide of applications such laser and scintillation The samples are investigated by optical microscopy, secondary ion massQuartz Ore Beneficiation by Reverse Flotation forshowed that the separation of silica from pyrite cinder by reverse flotation is possible and good selectivity can be achieved at about pH 82 Table 3 Results of reverse flotation of actual pyrite cinder ore (wt% ) Production Yield Grade Recovery pH TFe SiO2 S TFe SiO2 SSeparation of silica from pyrite cinder via reverse

Flotation collectors optimized performance

an improved silica flotation collector for reverse flotation of calcite as their ore and needs were changing The reason for the request was that the quality of the ore feeding the flotation plant had been reduced – resulting in lower recoveries – and that the current collector generated excessive froth in the flotationWhat is claimed is: 1 A froth flotation process for separating silica from iron ore, which comprises frothing said ore in an aqueous medium in the presence of 01 to 2 pounds per ton of said ore of a water dispersible, liquid aliphatic ether amine having the general formula: RO(R 1O) zCH 2CH 2CH 2NH 2 where R is an aliphatic methyl branched radical having 9 carbon atoms, R 1Silica flotation collectors derived from isononylThe rejection of silica particles can be obtained by magnetic and flotation separation techniques Overall, the BHQ ore can be enriched to 653wt% Fe at 619% iron recovery(PDF) Iron ore flotation in the presence of

Flotation Mechanism of Soluble Salts with High Ionic

Although the flotation systems of soluble salts are complicated in the actual production, they are mainly comprised of salt crystal, collector, bubbles and saturated salt solution with high ionic strength Actually, the soluble salt flotation is the results of the interaction among these four componentsThis study investigates the interactive effect of plant water ionic strength and pH in the flotation of a sulphidic PGM bearing ore Results suggest that water quality variations may have effects at both the airwater interface as well as the mineral air interface Key words Froth stability, Ionic strength,Water Quality in PGM Ore Flotation: The effect of IonicThe change of silica sand pulp pH has great influence on the flotation effect When pH=5 and pH=9, the iron removal effect is better, and when pH=5, the iron removal effect is the best, which indicates that weak acidic environment is the most favorable for the flotation ofA Successful application of silica sand flotation