recovery indium relates

Recovery of indium from LCD screens of discarded cell phones

Indium is also recovered from LCD screens of discarded cell phones, for instance by leaching and precipitation with NH 4 OH ( Silveira et al., 2015). Indium can be extracted from LCD glass by sub ...

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US8834818B2 - Treatment of indium gallium alloys and ...

RELATED APPLICATION. The present application is a U.S. nationalization under 35 U.S.C. §371 of International Application No. PCT/CA2011/001276, filed Nov. 22, 2011, which claims benefit of priority to Canadian Patent Application No. 2,721,518, filed Nov. 26, 2010, entitled “TREATMENT OF INDIUM GALLIUM ALLOYS AND RECOVERY OF INDIUM AND GALLIUM.”

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Recovery of indium - Free Patents Online

This invention relates to the recovery of indium, and has for its principal object the provision of an improved method for recovering indium. The method of the invention involves a novel combination of steps, many of which are themselves novel procedures for the treatment of indium-bearing materials, Indium, in nature, is generally found associated with zinc ores, such, for example, as complex ...

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Recovery of indium - ANACONDA COPPER MINING COMPANY

Recovery of indium . United States Patent 2271970 ... This invention relates to the treatment of indium-bearing solutions for the precipitation of indium therefrom, and has for its principal object the provision of an improved procedure for the precipitation of indium in metallic form from such solutions.

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A validation experiment on indium recovery by ...

Abstract A batch-type and lab-scale indium recovery method was developed via electrowinning (EW) to prove mass production-capability and economic recovery of indium from InCl3 crystals precipitated from the solvent extraction using a suitable phosphoric acid-based extractant. More precisely, the InCl3 crystals thus precipitated were further dissolved in three different aqueous electrolyte ...

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Separation and Recovery of Gallium and Indium from ...

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 ...

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Japan Urgently Needs to Increase Recovery of Rare Metal ...

Indium is a byproduct obtained in small amounts during the refining of zinc. In March 2006, the Toyoha Mine in Hokkaido, the only zinc and lead mine in Japan, closed down, which also ended domestic indium production, and signaled the increased importance of indium recycling from scrap metals.

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Gallium compounds and alloys manufactured by Indium ...

Gallium is a by-product of aluminum extracted during the processing of bauxite into alumina. It can also occasionally be found in Zn ore. We are a refiner and supplier of gallium materials.

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Rare metal recovery from e-waste in Switzerland ...

Jan 14, 2019· Indium can currently be recovered today with advanced technology and at only moderate additional costs incurred for its recovery from screens. The analysis determined that a pile of disused screens has a higher indium content than a mine with the same volume from which indium is extracted as the primary resource.

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INDIUM EXTRACTION FROM LCD SCREENS

Wang X., Lu X., & Zhang S. (2013). Study on the waste liquid crystal display treatment: Focus on the resource Recovery. Journal of Hazardous Materials 244– 245; 342– 347. Yang J., Retegan T. & Ekberg C. (2013) Indium recovery from discarded LCD panel glass by solvent extraction. Hydrometallurgy 137.

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Indium Recovery from Indium Tin Oxide, ITO, Thin Film ...

Indium Recovery from Indium Tin Oxide, ITO, Thin Film Deposited on Glass Plate by Chlorination Treatment with Ammonium Chloride Osamu Terakado*1, Daisuke Iwaki*2, Kyohei Murayama*3 and Masahiro Hirasawa Department of Materials Science and Engineering, Graduate School of Engineering, Nagoya University, Nagoya 464-8603, Japan

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US20100329970A1 - Method for recovery of copper, indium ...

The present invention relates to a method for the recovery of copper, indium, gallium, and selenium. The acid employed in all steps of the method is hydrochloric acid. Therefore, the copper, indium, gallium, and selenium can be separated respectively in a single production without changing the reaction solution during operation.

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New process to recover indium from iron-rich solutions ...

A proposed flowsheet for the selective recovery of indium from an iron-rich matrix solution (goethite) using the Aliquat 336 iodide SILP in batch-mode is shown below. Full reference to the paper. Van Roosendael, S., Regadío, M., Roosen, J. and Binnemans, K. (2019).

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Pyrometallurgical Recovery of Indium from Dental Metal ...

In the present paper we address the novel chlorination process for recovery of indium selectively from dental metal recycling sludge which contains considerably high amount of indium. The process is based on the utilization of ammonium chloride, NH 4 Cl, as chlorination reagent.

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Gallium - Wikipedia

Gallium is a chemical element with the symbol Ga and atomic number 31. Elemental gallium is a soft, silvery blue metal at standard temperature and pressure; however in its liquid state it becomes silvery white.If too much force is applied Gallium may fracture conchoidally.It is in group 13 of the periodic table, and thus has similarities to the other metals of the group, aluminium, indium, and ...

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New process to recover indium from iron-rich solutions ...

Dec 12, 2018· SIM² KU Leuven researchers developed a new, selective method to recover indium from iron-rich solutions. This work, funded through EU METGROW+, was published as a golden open access paper in the Journal Separation and Purification Technology.(PTJ, 12/12/2018)

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The recovery of indium from industrial by-products (Book ...

Add tags for "The recovery of indium from industrial by-products". Be the first. Similar Items. Related Subjects: (3) Indium ores. Tin ores. Separation (Technology) Confirm this request. You may have already requested this item. Please select Ok if you would like to proceed with this request anyway.

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Recovery of indium from LCD screens - espace.curtin.edu.au

Recovery of indium from LCD screen wastes, which contain indium in the form of indium tin oxide (ITO) as the electrode material, is becoming economically and environmentally justified. Indium is a valuable metal and the ...

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Indium - GoldRefiningWiki

Indium is recovered as a byproduct from other processes, mostly zinc, lead and copper mining. Increasing recycling means that more of the indium is also recovered from recycled goods. Recovery from scrap. One process of recovery of indium from flat panel scrap (ITO) is by a chlorination process with ammonium chloride, NH4 Cl, at 400 °C.

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Recovery of indium from indium tin oxide by solvent ...

Indium is a valuable metal and the present work was aimed to recover indium from ITO as the starting material to study the recovery of indium from waste LCD screens by solvent extraction. The apparent rate of dissolution in acidic media is slow requiring six hours for complete dissolution of the ITO sample in 1 M of either H 2 SO 4 or HCl.

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Research Status of Recovery of Indium from Indium-Tin ...

Indium is widely used in some important fields due to its semiconductor and optoelectronic performance. While the reduction of indium minerals, as one of secondary resources, the amount of indium–tin oxide (ITO) waste target has been accumulated considerably. ITO film is the main functional fraction of LCD has consumed more than 60% of the indium production worldwide.

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IndiumEase | Mountain Well-Being

The 7th-rarest Mineral # 49 on the Periodic Table, INDIUM, until now was not bioavailable, therefore all plants & animals are 99% deficient. INDIUM is the “Missing Link” unifying two major Mineral groups, for the first time in history INDIUM is made bioavailable by the patented process #6,007,847 for an evolutionary feeling of easy living.

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Recovery of indium tin oxide (ITO) and glass plate from ...

Recovery of the ITO was 75%, but it showed an In–Sn ratio of 15.9 : 1. The recovered ITO was not suitable for reuse directly. It may be that it needed the addition of extra Sn. However, this work presented a new process for the resource circulation of the indium from discarded LCD panels.

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Studies on the Toxicity and Distribution of Indium ...

Objectives: The use of indium compounds, especially those of small size, for the production of semiconductors, liquid-crystal panels, etc., has increased recently. However, the role of particle size or the chemical composition of indium compounds in their toxicity and distribution in the body has ...

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2017 REVIEW: Indium prices stage a surprising recovery ...

Indium’s price recovery was the surprise story of 2017 in the minor metals markets. Having lacked momentum since the collapse of China’s Fanya Metal Exchange in late 2015, indium has staged a remarkable turnaround in the past few months, attracting the attention of the minor metals industry.

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Indium and INDIUMEASE is a liquid mineral patented by ...

Indium and INDIUMEASE raises mineral uptake. Indium and INDIUMEASE has been tested for safety and Indium and INDIUMEASE is the safest of trace minerals. Indium and INDIUMEASE normalizes the master glands and improves athletic performance. Indium and INDIUMEASE may help athletes break speed, power and endurance records.

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Processing of indium: A review | Request PDF

Processing of indium: A review. ... Related processes for recovery of lead and tin from smelters and refineries also provide indium and other compounds. Indium may be associated with other ...

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Electroplating by Indium Corporation

The indium sulfamate plating bath is the most popular electroplating solution. We also manufacture other electroplating compounds, such as indium sulfate and indium trichloride. Our electroplating kit is available if you are new to indium electroplating and want to test the process to get started, or would like to plate just a few pieces.

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recovery indium conjunction - rodiziogrill.be

recovery indium conjunction. Nextgeneration Solar Power Technology (Part 1 of 2) 2018518&ensp·&enspAccording to National Renewable Energy Laboratory (NREL), which is an international organisation for certifiion of solar cell efficiency, multicrystalline silicon cells are 21 per cent efficient and expensive, while singlecrystal silicon cells have efficiency of around 25 per cent.

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Potential and Recycling Strategies for LCD Panels from WEEE

development of appropriate recycling processes for indium recovery has been in focus recently [15,31–33]. Various studies present methodologies for the recovery of indium from LCD panels using mechanical, thermal, and pyro- and hydrometallurgical approaches [12–29]. Most of the studies focus on the recovery of indium alone.

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Use of and Occupational Exposure to Indium in the United ...

In conclusion, occupational hygienists should be aware that the manufacture and use of indium materials can result in indium air concentrations that exceed the NIOSH REL. Given recent findings of adverse health effects in workers, research is needed to determine if the current REL sufficiently protects workers against indium-related diseases.

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METHOD FOR RECOVERY OF COPPER, INDIUM ... - …

The present invention relates to a method for the recovery of copper, indium, gallium, and selenium. The acid employed in all steps of the method is hydrochloric acid. Therefore, the copper, indium, gallium, and selenium can be separated respectively in a single production without changing the reaction solution during operation.

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New process to recover indium from iron-rich solutions ...

Dec 12, 2018· A proposed flowsheet for the selective recovery of indium from an iron-rich matrix solution (goethite) using the Aliquat 336 iodide SILP in batch-mode is shown below. Full reference to the paper. Van Roosendael, S., Regadío, M., Roosen, J. and Binnemans, K. (2019).

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