Recovering Indium from the Liquid Crystal Display of

The chloride-induced indium compound is then vaporized. Finally, the vaporized indium compound is condensed on a cooled surface of the apparatus and then recovered. The experimental results indicated that by using this process 84.3 pct of indium can be recovered from LCDs of discarded cellular phones.

CN101133172A

This invention provides a method and apparatus for recovering In in the form of an alloy or a metal simple substance as a valuable material from waste LCD. In the In recovery method and apparatus, there is no need to recover In as indium hydroxide, and In can be recovered as a valuable metal. Accordingly, unlike the case of indium hydroxide, the …

Recovering Indium from the Liquid Crystal Display of

Finally, the vaporized indium compound is condensed on a cooled surface of the apparatus and then recovered. The experimental results indicated that by using this process 84.3pct of indium can be ...

US8480785B2

It is an object to provide a method and an apparatus for recovering indium, the method and apparatus ensuring that it is unnecessary to recover indium in the form of indium hydroxide, indium can be recovered easily by a filter or the like without handling inferiors and also, the recovery rate of indium is greatly improved. The method includes …

Indium Recycling: Recovering a Vital Resource for the Future

Indium is a critical element in today's technological landscape. It plays a vital role in various applications, from flat-panel displays and touchscreens to solar panels and semiconductors. However, indium is a finite resource, and with the ever-increasing demand for these technologies, responsible recycling becomes essential.The Importance of IndiumIndium …

US Patent Application for METHOD AND APPARATUS FOR RECOVERING INDIUM …

An object is to provide a method and an apparatus for recovering indium, the method and apparatus ensuring that it is unnecessary to recover indium in the form of indium hydroxide, indium can be recovered at a high concentration, indium can be recovered easily by a filter or the like without handling inferiors and also, the recovery rate of …

Recovery of platinum group metals from spent catalysts: …

Abstract. This paper provides an overview of the various processes used in the recovery of platinum group metals (PGMs) from spent catalysts. PGM recovery is interesting due to their vast industrial applications and high market prices. From the use of renewable resources and environmental protection viewpoints, recycling of PGMs …

Recovery of indium from jarosite residues of zinc refinery by …

The optimal conditions for indium recovery using polymeric inclusion membranes are: stirring time of 3.1 h, a mass ratio of 1.44 (mD2HEPA/mPVC), a feeding phase pH = 3.0 and [HCl] 6.0 M in the re ...

TW201313910A

The present invention provides a method and apparatus of efficiently recovering metallic indium or indium alloy from the waste containing high purity indium oxide and produced while manufacturing indium tin oxide (ITO) sputter target or after using it. ... and recovering the indium or indium-containing alloy in a metal-recovering part. The ...

US20100139457A1

It is an object to provide a method and an apparatus for recovering indium, the method and apparatus ensuring that it is unnecessary to recover indium in the form of indium hydroxide, indium can be recovered easily by a filter or the like without handling inferiors and also, the recovery rate of indium is greatly improved. The method includes …

Removal and Recovery of Indium from ITO Coated Glass and …

The separation and recovery of indium from indium tin oxide (ITO) has been achieved using hydrometallurgy, 6–10 which involves leaching, concentration and …

Towards Commercialization of Indium Recovery from Waste …

This paper will review LCD construction and material values, dismantling approaches, indium recovery approaches, global policy and industrial environments …

The Recovery of Indium Metal from ITO-scrap using

The best indium recovering condition in our study was set at -1.0 V and 1200 rpm for 3 h, in which 86% of the indium in the waste could be recovered.

US20100101367A1

Method and apparatus for recovering indium from waste liquid crystal displays Download PDF Info Publication number ... indium metal metal particles recovering liquid crystal Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no ...

US20100101367A1

Method and apparatus for recovering indium from waste liquid crystal displays Download PDF Info Publication number ... indium metal metal particles recovering liquid crystal Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and …

TW200712219A

It is an object of the present invention to provide a method and a device for collecting a valuable resource namely In from waste LCD in the form of an alloy or an elemental metal, in which In is not required to be collected in indium hydroxide state, but can be collected as a valuable metal so that where in collection, no bad handling as in the case of an indium …

Novel mechanical pre-treatment methods for effective …

This work studied novel mechanical pre-treatment and recovery methods followed by hydrometallurgical indium recovery processes. Brushing with sanding abrasion was shown to remove the ITO layer efficiently from the LCD glass, recovering …

Recovering Indium from the Liquid Crystal Display of

The chloride-induced indium compound is then vaporized. Finally, the vaporized indium compound is condensed on a cooled surface of the apparatus and then recovered. The …

METHOD AND APPARATUS FOR RECOVERING INDIUM …

Patent application title: METHOD AND APPARATUS FOR RECOVERING INDIUM FROM WASTE LIQUID CRYSTAL DISPLAYS Inventors: Toshiaki Muratani Takamichi Honma Tomoharu Maeseto Mitsushige Shimada Agents: WESTERMAN, HATTORI, DANIELS & ADRIAN, LLP Assignees: ECO-SOLUTIONS CO., LTD. Origin: …

KR101450962B1

A method and apparatus are provided for efficiently recovering indium or indium alloys from high purity indium oxide scrap that occurs during or after the production of indium-tin oxide (ITO) sputtering targets. ... A method for recovering indium-containing oxide scrap and recovering metal indium or indium alloy, comprising the steps of ...

WO2007015392A1

This invention provides a method and apparatus for recovering In in the form of an alloy or a metal simple substance as a valuable material from waste LCD. In the In recovery method and apparatus, there is no need to recover In as indium hydroxide, and In can be recovered as a valuable metal. Accordingly, unlike the case of indium hydroxide, the …

US5543031A

indium compartment anode acid solution anolyte Prior art date 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.) Expired - Fee Related Application number US08/386,567 Other languages English (en ...

Method for recovering indium from waste liquid crystal …

Relates to a method and apparatus for the In a valuables from waste LCD recovered as an alloy or a single metal, it is not necessary to recover the state of indium hydroxide, since it is possible to recover In as valuable metals, water at the time of recovery no poor handling, such as in the case of indium oxide, can be easily recovered such as a filter, yet it is an …

Method for recovering indium from waste liquid crystal …

Relates to a method and apparatus for the In a valuables from waste LCD recovered as an alloy or a single metal, it is not necessary to recover the state of indium hydroxide, …

JP2015187305A

PROBLEM TO BE SOLVED: To provide a method and apparatus for recovering indium or an indium alloy by reducing oxide scrap containing indium in a crucible placed in a container.SOLUTION: In a recovery method of indium or an indium alloy, oxide scrap containing indium is inserted into a crucible, a reducing gas comprising hydrogen (H) or …

METHOD AND APPARATUS FOR RECOVERING INDIUM …

This invention provides a method and apparatus for recovering In in the form of an alloy or a metal simple substance as a valuable material from waste LCD. In the In recovery method and apparatus, there is no need to recover In as indium hydroxide, and In can be recovered as a valuable metal. Accordingly, unlike the case of indium hydroxide, the …

Recovering Indium from the Liquid Crystal Display of

Recovering Indium from the Liquid Crystal Display of Discarded Cellular Phones by Means of Chloride-Induced Vaporization at Relatively Low Temperature. …

KR101717204B1

The present invention relates to a device and a method for collecting metal including indium and an indium collection system. According to an embodiment of the present invention,

Method and apparatus for recovering indium from …

Method and apparatus for recovering indium from discarded liquid crystal displays. Patent. TW-200712219-A. Inventor. MURATANI TOSHIAKI (JP) HONMA TAKAMICHI (JP) MAESETO TOMOHARU (JP) SHIMADA MITSUSHIGE (JP) Assignee. ECO SOLUTIONS CO LTD (JP) SHARP KK (JP) Country.

Method and apparatus for recovering indium from waste …

The technology of a liquid crystal display and a recycling method is applied to the removal of solid waste, the improvement of instrument and process efficiency, etc., and can solve the problems of long time, change in the properties of indium hydroxide, poor filterability of indium hydroxide, etc., and improve the reaction speed of precipitation., high recovery …

Recovery of Indium from Secondary Resources by

The results showed that the recovery of indium reached 99% in each step. The high indium recovery was able to ensure great economic value and practical …

Clean and efficient recovery of gallium–indium alloy

Li et al. processed gallium and indium oxides obtained from the separation of CIGS in the previous step using the alkali-leaching precipitation method. They separated and recovered the key materials (gallium and indium) and obtained relatively pure indium oxide and gallium oxide [27]. This method is simple and easy to operate and can be used …

Towards Commercialization of Indium Recovery from …

The localized light filtering apparatus is characterized by a layered structure as shown in Fig. ... Sato N, Fujita T (2009) Recovering indium from the liquid crystal display of discarded cellular phones by means of chloride-induced vaporization at relatively low temperature. Metall Mater Trans A 40(4):891–900. Article Google Scholar

Systematic thermodynamic and experimental studies for recovering indium …

Indium tin oxide (ITO) is a widely used N-type semiconductor material known for its high light transmittance, electrical conductivity, ... Hydrogen reduction is an important step in recovering waste ITO and may probably be considered as a promising way forward industrialization. More importantly, it provides a new scheme for the reduction step ...

Recovering Indium from the Liquid Crystal Display of

Much effort has been put in recovering and recycling indium from the discarded materials. Nowadays, about 70 pct of indium is generally recovered from ITO …