separation gallium flotation

Gallium bioionflotation using rhamnolipid: Influence of …

DOI: 10.1016/j.seppur.2023.125217 Corpus ID: 263215669; Gallium bioionflotation using rhamnolipid: Influence of frother addition and properties @article{Chakankar2023GalliumBU, title={Gallium bioionflotation using rhamnolipid: Influence of frother addition and properties}, author={Mital Chakankar and Anja …

Hydroxamic Acids as Chelating Mineral Collectors

Separation processes that exploit the possibility of varying the surface characteristics of minerals make such processes more versatile and universal. Froth flotation is one such process that exploits surface properties of minerals and emerged as the most dominant pre-concentration process in mineral processing.

Flotation separation of gallium from aqueous solution

DOI: 10.1016/J.SEPPUR.2014.04.054 Corpus ID: 93521311; Flotation separation of gallium from aqueous solution - Effects of chemical speciation and solubility @article{Luong2014FlotationSO, title={Flotation separation of gallium from aqueous solution - Effects of chemical speciation and solubility}, author={Hoang Luong and J. C. …

Separation of gallium and germanium in the dissolution of …

@article{osti_6014606, title = {Separation of gallium and germanium in the dissolution of Ga-Ge alloys}, author = {Gromov, V V and Bondarenko, G P}, abstractNote = {A mechanism was analyzed for the extraction of trace amounts of germanium from a gallium-germanium liquid alloy during dissolution in an alkaline peroxide solution. Expressions were obtained …

Gallium and germanium extraction and potential recovery …

Recovery and separation of gallium(III) and germanium(IV) from zinc refinery residues: Part I: leaching and iron(III) removal. Hydrometallurgy (2017) ... After being treated by the above joint processes, a flotation concentrate with an iron grade of 59.50% and a phosphorus of 0.317% was obtained. The iron recovery and flotation concentrate ...

Separation of Gallium and Indium Isotopes by Cation and …

The isotope separation factor ϵ is equal to 3.3 × 10–5 for gallium and 2.0 × 10–4 for indium. On the anion exchanger, the heavy gallium isotope was enriched at the front part, whereas the heavy indium isotope at the end part of the band, with ϵ equal to ∼10–3 and 1.7 × 10–4, respectively.

Selective separation of gallium from aluminum in SDS

Selective separation of gallium from aluminum by ion flotation using sodium dodecyl sulfate (SDS) as an anionic surfactant and fluoride as an inorganic ligand was investigated.

Selective separation of gallium from aluminum in SDS–Ga

Selective separation of gallium from aluminum by ion flotation using sodium dodecyl sulfate (SDS) as an anionic surfactant and fluoride as an inorganic ligand was investigated. The experimental results were analyzed using the stability constants and speciation diagrams of fluoride metal complexes. The presence of fluoride in the solution …

Selective separation of gallium from zinc using flotation: …

Flotation separation of gallium from aqueous solution – effects of chemical speciation and solubility Sep. Purif. Technol., 132 ( 2014 ), pp. 115 - 119, 10.1016/j.seppur.2014.04.054

Kinetic approach to the study of froth flotation applied to a

The computation of the near-optimum flotation time as the maximizer of a separation efficiency (SE) function must be performed with caution. ... Occurrence of rubidium, gallium and thallium in lepidolite from Pala, California, Am. Mineral., 18(1933), No. 10, p. 454. Google Scholar

Selective separation of gallium from zinc using flotation: …

Under the optimized precipitation flotation conditions, the flotation recovery ratios of the copper, cobalt, and zinc ions were found to be 98.47%, 42.48%, and 9.35%, respectively, and the separation effect of cobalt and zinc showed to be outstanding, as their separation factor reached 598.

Germanium: A review of its US demand, uses, resources, …

Germanium (Ge) is one of the critical elements of modern technologies, with supply risk, inefficient production, and increased demand. It is used in high technology applications such as infrared systems, fiber optics, polymer catalysis, electronics, and solar cells.

Gallium bioionflotation using rhamnolipid: Influence of …

Flotation experiments were done with rhamnolipid as an ion collector. The batch flotation tests were performed with a 60 ml sample in a cylindrical glass column of 40 mm diameter with a launder using the Dynamic Analysis (DFA) instrument (Krüss, Germany). ... Selective separation of gallium from zinc using flotation: Effect of ...

Removal of Arsenic from Aqueous Solution by Adsorbing Colloid Flotation

Flotation separation of gallium from aqueous solution – Effects of chemical speciation and solubility. Separation and Purification Technology 2014, 132, 115-119. ... INFLUENCE OF IONIC STRENGTH ON THE REMOVAL OF As 5+ BY ADSORBING COLLOID FLOTATION. Separation Science and Technology 2002, 37 (15), 3599-3610.

A Review of Rare-Earth Elements Extraction with Emphasis …

Flotation tests were carried out with the apatite veins blended with syenite as the feed. The successful process resulted in over 90% Total rare earth elements (TREE) recovery . A summary of the physical separation and flotation process is given in Table 7 for iron ore and apatite.

Chapter 6 Concentration of Feldspars Based on Specific

The aspects of flotation, a method based on the composition of a feldspar surface, are treated in the second part. Although flotation methods have no relation to specific-gravity separation, they are both treated in this chapter. This is done for practical reasons; the two promising concentration methods are handled in one chapter.

A New Process for Cobalt Nickel Separation

excellent cobalt-nickel separation primary leach liquor by Cyanex 272. However, manganese extraction from the leach liquor along with cobalt could not be avoided, thus increasing the cost of the process. For sulphide ores, there is another alternative; if the ore can be concentrated by flotation, matte smelting is used instead of leaching.

Pollution prevention in the semiconductor industry

A process was developed for the recovery of both arsenic and gallium from gallium arsenide polishing wastes. The economics associated with the current disposal techniques utilizing ferric hydroxide precipitation dictate that sequential recovery of toxic arsenic and valuable gallium, with subsequent purification and in-house reuse of both, is …

Evaluation of cupferron on the selective separation …

... Some investigations have reported that cupferron can form monodentate or bidentate complexes with active metal sites on mineral surfaces, such as chalcopyrite, …

The extraction of gallium from chloride solutions by …

During the recent years, solvent extraction has been effectively applied for gallium extraction. Nusen et al. (2016) applied synergistic solvent extraction to recover gallium. They extracted 92% gallium at the optimum conditions at the pH of 3 in a single contact (Nusen et al., 2016).Recently, the solvent extraction technique has been also …

Various flotation techniques for metal ions removal

Different mechanisms (such as fractionation, ion flotation, precipitate flotation, and adsorbing colloid flotation) were found to occur during the separation of gallium from leach liquors [30]. Optimal results for the recovery of nickel and zinc ions, obtained from a first experimental step, conducted in a Hallimond tube were then ...

Selective separation of gallium from zinc using flotation: …

Therefore, the selective separation of gallium from aluminum, using cupferron as a ligand (chelating agent) and sodium dodecyl sulfate as an anionic collector was investigated by flotation.

Flotation separation of gallium from aqueous …

Flotation separation of gallium from aqueous solution – Effects of chemical speciation and solubility | Request PDF. DOI: Authors: Luong Huynh Vu Thanh. Can Tho …

Comprehensive Recovery of Oxygen Pressure Acid Leaching …

The flotation was conducted for 5 min, and the obtained concentrate and tailing fractions were dried and weighed for sulfur content detection to calculate its recovery. ... Rao S, Wang DX, Liu ZQ, Zhang KF, Cao HY, Tao JZ (2019) Selective extraction of zinc, gallium, and germanium from zinc refinery residue using two stage acid and alkaline ...

Evaluation of cupferron on the selective separation …

DOI: 10.1016/J.MINENG.2016.08.023 Corpus ID: 100409005; Evaluation of cupferron on the selective separation of gallium from aluminum by flotation: The separation mechanism …

Selective recovery of gallium with continuous counter …

Compared with our previous experiment of solvent extraction using the same surfactant as an extractant, where the separation factor of gallium(III) over iron(III) was found to be merely 1.2, the present method provides much better performance due to its unique contact mechanism between the metal and the surfactant. ... Flotation …

Selective sulfidation of metal compounds | Nature

As a promising alternative to flotation, magnetic separation of Co and Ni from Al, Mn and Li was demonstrated at 82.1% product purity and 84.8% recovery (Supplementary Table 10). Our findings ...

Flotation separation of gallium from aqueous …

To our understanding, no work has ever been published on using flotation process to remove Ga(III). The objective of this paper is to evaluate flotation separation of Ga(III) from water, especially how speciation and solubility of Ga(III) influence its …

Ion flotation for removal of Ni(II) and Zn(II) ions from wastewaters

Ion flotation was applied to Ni(II) and Zn(II) cation removal from low concentration synthetic wastewaters. Ethylhexadecyldimethylammonium bromide (EHDABr) and sodium dodecyl sulfate (SDS) were used as collectors and Dowfroth250 and methyl isobutyl carbonyl (MIBC) as frothers.The effective parameters were investigated by the …

Closing the Loop in Ion Flotation: Recovery of Copper

Ion flotation is an efficient separation technique for the recovery of metal ions from dilute aqueous solutions. Provided that both the collected metal and the surfactant are recovered from the phase, it could be considered as an alternative to ion exchange, adsorption or solvent extraction in hydrometallurgy. ... (gallium, aluminium ...