indium recovery from zinc concentrates

Extraction of indium from indium-zinc concentrates ...

The process can directly extract indium from removed copper solution by D2EHPA, and cancel the stage of removing iron in the traditional process because of using iron and part of zinc in the In-Zn concentrates for direct preparing high quality Mn-Zn soft magnetic ferrites. The technologies in the processes, such as leaching the neutral leached residues with high concentrated acid at high temperature, reduction ferric and removing copper, and extracting indium, were investigated.

Extraction of indium from zinc plant residues - ScienceDirect

The typically traditional process for extracting indium from In–Zn concentrates includes the following steps. Firstly, ferric is removed by the method of jarosite, and indium goes into jarosite. In order to recovery indium, jarosite residue is dissolved using hot sulfuric acid solution.

Extraction of indium from indium-zinc concentrates

The data in Table 1 indi e that recent indium extraction has a recovery rate of *30-35%; this, combined with a production ratio of 57.8 g In t Zn 21 for 2012 Fig. 3 , a total of 13.54 Mt Zn ...

indium recovery from zinc concentrates - 5starsports.com.au

The silver recovery in the lead concentrate is 56.76% while the indium recovery in the zinc concentrate is 42.60%. Outotec direct leaching appli ion in China Keywords: zinc, concentrate, atmospheric leaching, technology, indium, iron mercury and simultaneous recovery of the mercury in metallic form, US Pat.

Tinka Reports High Zinc Recoveries in Metallurgical Tests ...

A small penalty is anticipated for iron content in the concentrate. * Indium in the two locked cycle zinc concentrates 719 ppm and 400 ppm, respectively is very high and potentially payable ...

Indium recovery from zinc oxide flue dust by oxidative ...

The addition of oxidant not only destroys the stable indium-bearing phases, but also oxidizes the indium sulfide which is difficult to dissolve in the normal leaching process, thus increasing the recovery of indium. 4 Conclusions 1 The oxidative pressure leaching can effectively recover indium from zinc oxide flue dust, which is a new process of extracting indium from low indium-bearing minerals.

Extraction and separation of indium and copper from zinc ...

In the reductive leaching of zinc residue with zinc concentrate, zinc, indium, copper, and iron are dissolved, and ferric iron is simultaneously reduced to ferrous iron under acidic conditions by sulfide present in the concentrate , . The conventional method for the extraction of indium and copper from the reductive leach solution involves cementation of copper with iron powder at pH 0.5–1.5, and then precipitation of indium with zinc powder at pH 3.0–4.5.

Study on extracting indium from indium-zinc concentrates

A new process for extracting indium from indium-zinc concentrates was proposed in this paper. The process can directly extract indium from removed copper solution by P204, and cancel the stage of ...

Recovery Indium from Indium-Enriched Cementation and Co ...

A process for extracting of indium from indium-enriched cementation produced in zinc hydrometallurgy process was investigated by oxygen pressure leaching and normal pressure and oxygen-rich leaching. The indium was leached in sulphuric acid medium, at the same time of iron and arsenic were co-precipitated in the form of FeAsO4. The conditions of selective leaching were explored in the presence ...

Acid Leaching Zinc and Indium with Reduction Ferric ...

Marmatite is an important resource of zinc, which exist in forms of high iron and high indium. In order to recycle the valuable metal from these ores, the testwork of simultaneous leaching on neutral...

Recovery Indium from Indium-Enriched Cementation and Co ...

The results show that total recovery ratio of indium from zinc sulphide concentrates containing very low amount of indium is increased from 50 % to 90 %. Read more Last Updated: 08 Nov 2020

The Recovery of Gallium and Indium from Zinc Refinery By-product

Gallium and indium tend to be concentrated into the zinc concentrates through mineral processing. Dowa Mining Co., Ltd. began to examine the recovering process of gallium and indium in 1963 whengallium was given attention as material of semi-conductor, and studied manysided technique to recover both metals fromthe by-product of zinc refinery.

Tinka Reports High Zinc Recoveries in Metallurgical Tests ...

A small penalty is anticipated for iron content in the concentrate. * Indium in the two locked cycle zinc concentrates 719 ppm and 400 ppm, respectively is very high and potentially payable ...

Extraction technology for the recovery of indium from zinc ...

OSTI.GOV Journal Article: Extraction technology for the recovery of indium from zinc production solutions Title: Extraction technology for the recovery of indium from zinc production solutions in Russian

KR20080072747A - Method for recovering rare metals in a zinc ...

Sulphidic zinc concentrate usually also includes small amounts of rare metals such as indium and gallium. If the content of these metals in the material is sufficiently high, their recovery may be economically worthwhile. In the method according to the invention the recovery of indium and other desirable rare metals takes place in a zinc leaching process, in which at least part of the ...

Comparison of Indium and Gallium Dissolution from Zinc Oxide ...

While some of leaching experiment data on dissolving indium and gallium from sphalerite has been performed during the prior years, no comparison of different acidic solutions has ever been made. This...

Treatment on Zinc Concentrate with High Indium and Iron ...

The recovery rate of zinc from zinc concentrate with high iron and indium content is higher by jarosite process.Most of indium remains in the jarosite residues and a little part of indium remains in the high acidity leaching residues.Then indium ingot can be obtained using the above two kinds of residues as material after roasting,leaching,extracting,electrolysis and casting.The optimal ...

The separation of micro-amounts of indium from zinc by liquid ...

The results of the distribution of indium tribromide obtained from the activity measurements when radioactive 114 In has been used as tracer, have demonstrated quantitative recovery of indium in a single extraction from 6 M HBr. The volume changes of the two phases are very small in comparison to those arising when diethylether is used as solvent.

Extraction of Indium from Zinc Oxide Flue Dust by Microwave ...

X.H. Li et al., “Indium recovery from zinc oxide flue dust by oxidative pressure leaching,” Transaction of Nonferrous Metals Society of China, 20 S1 2010 , 141–145. CrossRef Google Scholar 5.

PROCESS FOR PRODUCING PURE METALLIC INDIUM FROM ZINC OXIDE ...

PROCESS FOR PRODUCING PURE METALLIC INDIUM FROM ZINC OXIDE AND/OR SOLUTION CONTAINING THE METAL, comprising: a Production of indium pre-concentrate; b production of indium cement: comprised, in turn, of at least a mild leaching and at least one strong leaching of the indium cement product obtained in the reducing leaching; c Production of indium solution; d Extraction of indium by organic ...

Early methods for indium recovery were very expensive because ...

Early methods for indium recovery were very expensive because large quantities of indium-poor material had to be treated to obtain a small quantity of indium. The zinc industry had considered the recovery of indium and germanium as a marginal activity because they are difficult to separate from antimony, arsenic, copper, lead and tin.

Indium Recovery Scientific.Net

With the process utilized in this work, a lead concentrate of 59.67% Pb with a recovery of 78.69% and a zinc concentrate of 50.99% Zn with a recovery of 81.98% are produced. The silver recovery in the lead concentrate is 56.76% while the indium recovery in the zinc concentrate is 42.60%.

Red River secures high-grade polymetallic silver-indium ...

high as in sphalerite, sphalerite remains the most important indium-bearing mineral for indium recovery. The average indium content of zinc deposits from which it is recovered ranges from less than 1 ppm to 100 ppm. The indium reports to the zinc concentrate and the indium is recovered at the smelting/refining stage.

Direct solvent extraction of indium from a zinc residue ...

colloidal silica, and indium recovery is usually less than 70%. Solvent extraction is commonly used for extraction and separation of indium from various indium-containing solutions. Extractants employed include di 2-ethylhexyl phosphoric acid D2EHPA Lee et al., 2002; Tsai and Tsai, 2012; Wang et al., 2003; Yang et al., 2013 , D2EHPA with

Recovery Zinc and Indium from Zinc Concentrate with High ...

A kind of zinc concentrate contains high concentration indium.Jarosite process can obtain high recovery rate of zinc,simultaneously,most of indium remains in the jarosite residues and a little part of indium remains in the high acidities leaching residues.Then indium ingot can be obtained from the above two kinds of residues as materials.The leaching rate of zinc is up to 98.45%,and 95.08% ...

CN102337391B - Process method for recovering indium ...

The method disclosed by the invention comprises the steps of oxidation roasting of the indium concentrate, sulfuric acid oxidation leaching, indium recovery, germanium recovery and zinc recovery. By adopting the recovery process, the indium, the germanium, the lead, the silver, the zinc and other valuable metals can be recovered from the indium concentrate with high efficiency, and the ...

CN101255502A - Process for comprehensive recovery of indium ...

Indium in the reverberator dust is recycled by leaching, extracting, back extracting and cementing, the post-replacing liquid can be used for recycling zinc butter or preparing nanometer zinc oxide, middle faffinate is used for leaching electric precipitation dust, cementing out cadmium and further producing pure cadmium, the residual liquid mainly includes zinc sulfate solution as the ...

Extraction of Indium from Zinc Oxide Flue Dust by Microwave ...

X.H. Li et al., “Indium recovery from zinc oxide flue dust by oxidative pressure leaching,” Transaction of Nonferrous Metals Society of China, 20 S1 2010 , 141–145. CrossRef Google Scholar 5.

TWI432609B - Method for recovering valuable metal from indium ...

indium zinc izo electrolysis hydroxide Prior art date 2008-02-12 Appli ion number TW98103470A Other s English en Other versions TW200940749A en Inventor Yuichiro Shindo Kouichi Takemoto Original Assignee Jx Nippon Mining and Metals Corp Priority date The priority date is an assumption and is not a legal conclusion. Google has not ...

Minerals Free Full-Text Recovery of Germanium from ...

Cementation of germanium from sulphate solution obtained after the leaching of GeIn dross using zinc dust was investigated. The composition of the examined solution was 5.15 Ge, 1.52 In, and 5.81 g/dm3 Zn. In order to resemble the solution before detinning, Sn concentration between 2 and ndash;10 g/dm3 was also investigated. It was found that and gt;99% of germanium may be precipitated from the ...

EP2543746A4 - Hydrometallurgical method for the recovery of ...

zinc sulphudic recovery concentrates hydrometallurgical method Prior art date 2011-04-15 Legal status The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed. Withdrawn Appli ion number EP11861327.2A Other s German de

Recovery Zinc and Indium from Zinc Concentrate with High ...

A kind of zinc concentrate contains high concentration indium.Jarosite process can obtain high recovery rate of zinc,simultaneously,most of indium remains in the jarosite residues and a little part of indium remains in the high acidities leaching residues.Then indium ingot can be obtained from the above two kinds of residues as materials.The leaching rate of zinc is up to 98.45%,and 95.08% ...

Separation and Recovery of Gallium and Indium from Simulated ...

The separation and recovery of gallium and indium from zinc refinery residue, using liquid−liquid extraction, has been investigated. The major components with the exception of zinc can be removed by extraction with tri-n-butyl phosphate at low aqueous acidity, and gallium and indium can be separated from the remaining major component, zinc, by extraction with bis 2-ethylhexyl phosphoric acid ...

Minerals Free Full-Text Recovery of Germanium from ...

Cementation of germanium from sulphate solution obtained after the leaching of GeIn dross using zinc dust was investigated. The composition of the examined solution was 5.15 Ge, 1.52 In, and 5.81 g/dm3 Zn. In order to resemble the solution before detinning, Sn concentration between 2 and ndash;10 g/dm3 was also investigated. It was found that and gt;99% of germanium may be precipitated from the ...

Cadmium, Indium, and Thallium

2 Recovery From Zinc-Lead Sulfide Concentrates 1 3 Recovery From Other Sources 1 3.1 Indium From Lead Circuits 1 3.2 Indium From Tin Circuits 1 3.3 Recovery From Pyrite Cinder 2 Further Reading 2 1 Introduction Cadmium, indium, and thallium are dispersed metals and do not form minerals of their own. They occur in small or trace

Methanesulfonic acid: a sustainable acidic solvent for ...

metallurgical process to recover lead and zinc from the iron-rich jarosite residue using MSA as a leaching agent.21 Jarosite is a solid residue generated by the zinc metallurgical industry.22,23–25 The residue contains iron as the main component and some lead, zinc, and low concentrations of valuable metals such as indium, germanium and silver.

CN101717868A - Method for comprehensively recovering indium ...

The invention discloses a method for comprehensively recovering indium and gallium from distilled waste acid, wherein the process for recovering gallium comprises the following steps of: adopting ethyl acetate as an extracting reagent and adopting kerosene as diluent; extracting at two grades in an intermittent type extracting way, quantitatively supplementing new ethyl acetate every day and ...

C22B 3 - Extraction of metal compounds from ores or ...

Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes 16,429 09/2008: 09/03/2008: CN101255502A Process for comprehensive recovery of indium, cadmium ...

HYDROMETALLURGICAL METHOD FOR RECOVERY OF ZINC IN SULPHURIC ...

a. Roasting of at least part of the zinc concentrate. b. Neutral leaching where zinc oxide is dissolved. c. Acid leaching where zinc ferrites are leached. d. Reduction of the Fe contained in the solution to Fe by adding zinc concentrate and diluting it with a zinc sulphate solution resulting from stage f to lower the concentration of ...

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