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  • Article Enhancing Ion Flotation through Decoupling the

    Dec 17, 2020· Ion flotation offers the potential for developing selective separations utilizing air bubbles as the hydrophobic substrate and suitable reagent, with the potential to recover down to exceedingly low concentrations, less than a ppm. Previous studies on ion flotation lack information on optimum conditions as well as quantitative

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  • Minerals Free Full-Text Enhancing Ion Flotation

    Dec 17, 2020· Conventional ion flotation is hydrodynamically constrained by coupling of the gas flux and liquid flux that report to the concentrate. This constraint has greatly limited the industrial application of ion flotation, despite its remarkable effectiveness in extracting ionic species down to very low concentrations, of order 1 ppm. Previous work demonstrated that these hydrodynamic constraints

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  • Ion flotation—its potential for hydrometallurgical

    Sep 29, 2003· 1. Introduction. Ion flotation, first described by Sebba, 1959, Sebba, 1962, is a relatively novel separation technology for recovering and removing metal ions from dilute aqueous solutions Bernasconi et al., 1988, Jdid and Blazy, 1990, Ke, 1992, Matis and Mavros, 1991, Tessele et al., 1998.In this process, an ionic surface active reagent (collector) is added to the solution to be treated, and

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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

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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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  • KINETICS STUDIES OF IONS FLOTATION

    The first kinetic studies of ion flotation process were carried out by Rubin et al. (1966, 1968). They studied the ion flotation of copper(II) with sodium lauryl sulfate. As a result a soluble copper(II) cation surfactant product was floated, for which a first order equation, can be applied:

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  • ion flotation 2009 panfloetenzauber

    Ion flotation—its potential for hydrometallurgical. Sep 29, 2003 1. Introduction. Ion flotation, first described by Sebba, 1959, Sebba, 1962, is a relatively novel separation technology for recovering and removing metal ions from dilute aqueous solutions Bernasconi et al., 1988, Jdid and Blazy, 1990, Ke, 1992, Matis and Mavros, 1991, Tessele et al., 1998.In this process, an ionic surface

    Details >
  • An overview on the surfactants used in ion flotation

    Jul 15, 2019· More recently, dodecyl diethylenetriamine (Ddien) was used as a chelating surfactant in ion flotation of Co(II), Ni(II) and Cu(II). The effect of triethyleneteraamine as chelating ligand on the ion flotation of Cu(II) and Ni(II) was studied. The results showed that the recovery of ions increased by adding chelating ligand [33,34].

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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 an overview ScienceDirect Topics

    Ion flotation originally meant the process by which surface-inactive ions are floated with surfactants of opposite charge to the ions to form a scum on the solution surface. This concept has been extended to include foam fractionation, where dissolved substances (e.g., ions, organic and inorganic molecules) are floated by adsorption on bubble

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  • A review of the applications of ion floatation: wastewater

    Huang et al. experimentally studied the ion flotation of copper, cadmium and lead using sodium dodecylbenzene sulfonate on the basis of Jorne and Rubin's model. They found that the order of ion removal was Cu 2+ < Cd 2+ < Pb 2+,which supports the fact that the selectivity depends on the charge and effective radii of the hydrated ion

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  • Minerals Free Full-Text Enhancing Ion Flotation

    Conventional ion flotation is hydrodynamically constrained by coupling of the gas flux and liquid flux that report to the concentrate. This constraint has greatly limited the industrial application of ion flotation, despite its remarkable effectiveness in extracting ionic species down to very low concentrations, of order 1 ppm. Previous work demonstrated that these hydrodynamic constraints

    Details >
  • An overview on the surfactants used in ion flotation

    Jul 15, 2019· More recently, dodecyl diethylenetriamine (Ddien) was used as a chelating surfactant in ion flotation of Co(II), Ni(II) and Cu(II). The effect of triethyleneteraamine as chelating ligand on the ion flotation of Cu(II) and Ni(II) was studied. The results showed that the recovery of ions increased by adding chelating ligand [33,34].

    Details >
  • KINETICS STUDIES OF IONS FLOTATION

    The first kinetic studies of ion flotation process were carried out by Rubin et al. (1966, 1968). They studied the ion flotation of copper(II) with sodium lauryl sulfate. As a result a soluble copper(II) cation surfactant product was floated, for which a first order equation, can be applied:

    Details >
  • 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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  • Kinetics and Hydrodynamics of Silver Ion Flotation

    ion flotation for the recovery of precious metals from leaching liquors [8, 9] as well as for the removal of trace pollutants from observedconsiderable effluent volumes and other waste solutions [10]. A calculatereview on the studies on ion flotation and its possibili-

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  • (PDF) STRUCTURAL, SPECTRAL, DFT, ION-FLOTATION AND

    A series of Ni(II), Zn(II), Cu(II) and Fe(III) complexes of the 3-(2-(4-(dimethylamino)benzylidene)hydrazinyl)-3-oxo-N-(thiazol-2-yl)propanamide (H 2 L) were synthesized. The produced compounds were illustrated by different spectroscopic

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  • Ion Flotation of Copper(II) and Lead(II) from

    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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  • 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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  • Removal of Molybdate and Arsenate from Aqueous Solutions

    Ion flotation and adsorbing colloid flotation have been studied in this paper for the effective removal of molybdenum(VI) and arsenic(V) from dilute aqueous solutions. These different flotation

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  • Flotation of spherodized graphite from spent Lithium Ion

    The lithium ion battery (LiB) market is growing exponentially, and consequently LiB wastes will grow in the future. Flotation studies show that pretreatment, such as attritioning, improves the

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  • Ion flotation and solvent extraction of ferric thiocyanate

    OSTI.GOV Journal Article: Ion flotation and solvent extraction of ferric thiocyanate complexes Title: Ion flotation and solvent extraction of ferric thiocyanate complexes Full Record

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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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  • Recovery of Metals by Ion Flotation from Dilute Aqueous

    Sep 24, 2006· Abstract Flotation, a process originating from the minerals industry, is finding its way as a separation process for dilute aqueous solutions, with particular interest in metal ions recovery. The present paper reviewes the several flotation techniques available in this area, with certain illustrative laboratory examples. Metals investigated are the following : chromium, copper, zinc, arsenic

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