Ion Flotation Studied
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Ion Flotation Studied

Ion Flotation Studies and Separation Procedures for the ...

The purpose of this work was to study the ion flotation properties of the platinum group metals, develop methods for the quantitative recovery of the platinum metals from dilute solutions by ion flotation and investigate the feasibility of ion flotation for the group separation. The

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Ion flotation studies of the chlorocomplexes of some ...

Nov 01, 1980 · Analytica Chimica Acta. 120 (1980) 237 248 Eisevier Scientific Publishing Company, Amsterdam Printed in The Netherlands ION FLOTATION STUDIES OF THE CHLOROCOMPLEXES OF SOME PLATINUM GROUP METALS EUGENE W. BERG* and DANIEL M. DOWNEY Department of Chemistry, Louisiana State University, Baton Rouge, LA 70803 (U.S.A.) (Received 8th April 1980)

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Kinetic study of Ni(II) removal using ion flotation ...

Apr 01, 2018 · A few studies have evaluated the Ni(II) ion removal kinetics. Water removal during the ion flotation process is also an important factor that has high impact on the efficiency of ion removal. However, few studies have evaluated the water removal process during ion flotation (Hoseinian et al., 2015, Hoseinian et al., 2016, Polat and Erdogan ...

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"Ion Flotation Studies and Separation Procedures for the ...

The purpose of this work was to study the ion flotation properties of the platinum group metals, develop methods for the quantitative recovery of the platinum metals from dilute solutions by ion flotation and investigate the feasibility of ion flotation for the group separation. The anionic chlorocomplexes of Pd(II), Ir(IV), Pt(IV), Au(III), Rh(III) and Ir(III) were floated from aqueous ...

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Ion flotation—its potential for hydrometallurgical ...

Sep 29, 2003 · This allowed the ion flotation behavior of different species to be studied systematically. Ni(II) and Co(II) have a stronger affinity for Dien than has Cu 2+ , and at pHs near 9, with an excess of Dien, they exist predominantly as the M(Dien) 2 2+ complexes, whereas

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(PDF) Removal of Copper from Waters by Ion Flotation Method

Under the studied conditions, ion and sorptive flotation were found to be effective methods for copper removal with almost 100% Cu removal achieved, while the precipitation method failed.

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"Ion Flotation Studies and Separation Procedures for the ...

The purpose of this work was to study the ion flotation properties of the platinum group metals, develop methods for the quantitative recovery of the platinum metals from dilute solutions by ion flotation and investigate the feasibility of ion flotation for the group separation. The anionic chlorocomplexes of Pd(II), Ir(IV), Pt(IV), Au(III), Rh(III) and Ir(III) were floated from aqueous ...

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Ion flotation - potential applications to mineral ...

Oct 01, 1992 · Aeration Rate The effect of changing gas flow rate on ion flotation kinetics was studied by Rubin et al. [3] for Cu2+ removal and Davis and Sebba [33] for Sr2+ removal. It has been established that the rate of removal of ions from a solution is significantly affected by the flowrate of the flotation

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Removal of Cd2+, Zn2+, and Sr2+ by Ion Flotation, Using a ...

Ion flotation was studied for the removal of cadmium, zinc, and strontium ions from aqueous solutions at pH 5–9 in a customized flotation cell, using an aminopolycarboxylic chelating surfactant, 2-dodecyldiethylenetriamine pentaacetic acid (C 12-DTPA) in combination with two foaming agents: dodecyltrimethylammonium chloride (DoTAC) and dimethyldodecylamine-N-oxide (DDAO).

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Recovery of Copper from Ammoniacal Leachates by Ion Flotation

Apr 27, 2021 · Prior studies demonstrated that the efficiency of ion flotation was negatively affected by the increase of ionic strength, because the foreign ions acted competitively with the colligend at the interface . In the present study, calcium, magnesium, and aluminum were also recovered, but in small percentages of 1.2%, 0.8%, and 2.1%, respectively.

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Ion flotation as a tool for speciation studies selective ...

The Cr(VI)/Cr(III) system was first selected; several parameters influencing this separation through ion flotation were studied and good separations were obtained, according to which more than 90% of Cr(VI) was removed, while Cr(III) mainly remained in solution. Article Metrics Views 21. Citations Crossref 6 Web of Science 6 Scopus 12.

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Removal of Zn(II) and Mn(II) by Ion Flotation from Aqueous ...

The Zn(II) and Mn(II) removal by an ion flotation process from model and real dilute aqueous solutions derived from waste batteries was studied in this work. The research aimed to determine optimal conditions for the removal of Zn(II) and Mn(II) from aqueous solutions after acidic leaching of Zn-C and Zn-Mn waste batteries. The ion flotation process was carried out at ambient temperature and ...

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Removal of Cd2+, Zn2+, and Sr2+ by Ion Flotation, Using a ...

Ion flotation was studied for the removal of cadmium, zinc, and strontium ions from aqueous solutions at pH 5–9 in a customized flotation cell, using an aminopolycarboxylic chelating surfactant, 2-dodecyldiethylenetriamine pentaacetic acid (C12-DTPA) in combination with two foaming agents: dodecyltrimethylammonium chloride (DoTAC) and dimethyldodecylamine-N-oxide (DDAO).

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Selective recovery of copper from ammoniacal leachates by ...

Apr 29, 2021 · Ion flotation. Due to the low metal concentrations in these resources, the leaching will generate dilute leachates from which metal recovery is a challenge. Ion flotation is a foam separation technique capable of recovering metal ions from dilute aqueous leachates. ... Nevertheless, the majority of the studies on the recovery of metal values by ...

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(PDF) A Review of the Flotation of Copper Minerals

The concentrat ion of oxidise d copper minerals b y flotation has been exte nsively studied [7; 8]. It has been It has been applied in Central Africa, especially Congo [9 ; 10 ; 11] .

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Froth Flotation Applications - Mineral Processing & Metallurgy

Nov 22, 2016 · Characteristics of flotation froths or bubbles can vary from the relatively stable air bubbles generated for agglomeration and froth flotation to the less stable watery type bubble preferred in foam fractionation and ion flotation. Clark reports studies on the use of electrical conductivity to measure the expansion factor of foam.

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Removal of rhodamine B (a basic dye) and thoron (an acidic ...

The present work deals with removal, by ion flotation, of two dyes: a basic dye (rhodamine B (RB)) and an acidic one (thoron (TH)) from dilute aqueous solutions and simulated wastewaters. These dyes are widely used for analytical and biological staining purposes. Besides, RB is commonly used in dyei

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Removal of cadmium from a liquid effluent by ion flotation

Because industrial wastewater is a complex mixture, this drawback is the main reason holding back their wider applications [5]. It is also important to depict that several studies on ion flotation of metals have been done with the main goal on the recovery of the metallic species in particular physico-chemical conditions [1,2,3,4,6].

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"Ion Flotation Studies and Separation Procedures for the ...

The purpose of this work was to study the ion flotation properties of the platinum group metals, develop methods for the quantitative recovery of the platinum metals from dilute solutions by ion flotation and investigate the feasibility of ion flotation for the group separation. The anionic chlorocomplexes of Pd(II), Ir(IV), Pt(IV), Au(III), Rh(III) and Ir(III) were floated from aqueous ...

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Froth Flotation Applications - Mineral Processing & Metallurgy

Nov 22, 2016 · Characteristics of flotation froths or bubbles can vary from the relatively stable air bubbles generated for agglomeration and froth flotation to the less stable watery type bubble preferred in foam fractionation and ion flotation. Clark reports studies on the use of electrical conductivity to measure the expansion factor of foam.

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Effective factors and kinetics study of zinc ion removal ...

ABSTRACT. Zn(II) ion removal from synthetic wastewater was investigated using ion flotation in Hallimond tube followed by mechanical cell. The flotation reaction rate curve on the removal of Zn(II) ions in the separation process was divided into two stages, with n ≈ 1 in the first stage and with n ≈ 0 in the second stage.

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Ion foam flotation of neodymium: From speciation to ...

Ion foam flotation of neodymium (Nd 3+) was studied using a pH-sensitive surfactant, the nonaoxyethylene oleylether carboxilic acid, which has the peculiarity of remaining water soluble in the presence of multivalent cations.The flotation efficiency factors were determined as a function of pH and for two different (surfactant/Nd) molar ratios, equimolar (1/1) or stoichiometric (3/1).

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Removal of Copper from Industrial Wastewater by Ion ...

physicochemical factors affect ion flotation, in the present study, effects air flow rate and concentration of of collector and frother were examined. 3.1 Effect of acidity The acidity (pH) of the wastewater an important is controlling variable the ion flotation process and thus the in effect of pH has been studied by different values 4, 6, 8 and

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Removal of heavy metal ions from wastewater: a ...

Jul 08, 2021 · Dissolved air flotation, ion flotation, and precipitation flotation were extensively studied. In the dissolved air flotation, air (or gas) is fed to wastewater to generate micro-bubbles that could ...

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Ion flotation of dichromate and of complexed cyanide ...

Ion flotation studies have shown that a surface-active agent is useful for qualitative analysis of complex ions in dilute aqueous solution, with the surfactant forming a particulate complex with the complex ion of concern. Experiments with a monovalent, cationic surfactant have established the prevalence of Cr2O7 2− (HCrO4 −) and not CrO4 2−; of [Fe(CN)6]4− and [Fe(CN)5H2O]3−; and of ...

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Selective recovery of copper from ammoniacal leachates by ...

Apr 29, 2021 · Ion flotation. Due to the low metal concentrations in these resources, the leaching will generate dilute leachates from which metal recovery is a challenge. Ion flotation is a foam separation technique capable of recovering metal ions from dilute aqueous leachates. ... Nevertheless, the majority of the studies on the recovery of metal values by ...

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Surface modification of ilmenite by introducing copper ...

In this study, a novel method for the activation flotation of micro-fine particle ilmenite was performed. Micro-flotation experiments, solution chemistry, X-ray photoelectron spectroscopy, reaction thermodynamic and Time-of-flight secondary ion mass spectrometry analysis were conducted to investigate the activation mechanism.

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Flotation Reagents - Mineral Processing & Metallurgy

Jun 08, 2016 · The function of regulators is to modify the alkalinity or acidity in flotation circuits, which is commonly measured in terms of hydrogen ion concentration, or pH. Modifying the pH of a pulp has a pronounced effect on the action of flotation reagents and is one of the important means of making otherwise difficult separations possible.

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Solvent sublation and ion flotation in aqueous salt ...

Mar 25, 2015 · The recovery of cerium and yttrium ions in solvent sublation and ion flotation processes was studied. The dependences of the distribution coefficients of cerium and yttrium dodecyl sulfates on pH of the equilibrium aqueous phase in the above processes were determined. Conditions for possible separation of cerium(III) and yttrium(III) ions in the adsorptive bubble recovery methods under ...

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Selective recovery of copper from ammoniacal leachates by ...

Apr 29, 2021 · Ion flotation. Due to the low metal concentrations in these resources, the leaching will generate dilute leachates from which metal recovery is a challenge. Ion flotation is a foam separation technique capable of recovering metal ions from dilute aqueous leachates. ... Nevertheless, the majority of the studies on the recovery of metal values by ...

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Ion Flotation of Co2+, Ni2+, and Cu2+ Using ...

Ion flotation is a separation process involving the adsorption of a surfactant and counterions at an air/aqueous solution interface. It shows great promise for removing toxic heavy metal ions from ...

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(PDF) Co(II) and Cu(II) complexes of oxime hydrazone ...

PDF | On Jan 1, 2016, Mohammed M. El-Gamil and others published Co(II) and Cu(II) complexes of oxime hydrazone derivative: Structural, geometrical, biological studies and ion-flotation separation ...

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