recovering indium method

Recovering Indium Method

EP1845169A1 - Method for recovering indium - …

There is provided a method for recovering indium, the method being capable of recovering indium having a high purity at simple and inexpensive steps in a short time and with a high recovery. After indium containing substances, such as ITO target scraps, are crushed, the crushed substances are ground until the percentage of coarse particles having a larger particle size than a predetermined ...

JP2003247089A - Method of recovering indium - …

PROBLEM TO BE SOLVED: To provide a method of effectively recovering indium in the form of a hydroxide usable for an electrolytic collecting process of the indium by using raw materials containing a large amount of impurities of a low grade, such as waste water sludge containing the indium, the indium with which furnace materials are impregnated, casting scrap and the like.

US20080190779A1 - Method for Recovering …

There is provided a method for recovering indium, the method being capable of recovering indium having a high purity at simple and inexpensive steps in a short time and with a high recovery. After indium containing substances, such as ITO target scraps, are crushed, the crushed substances are ground until the percentage of coarse particles having a larger particle size than a predetermined ...

EP1845169B1 - Method for recovering indium - …

indium step lt method Prior art date 2005-01-31 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.) Active Application number EP20060712962 Other languages German (de) French (fr) Other versions EP1845169A4 (en

US Patent Application for Method for Recovering …

There is provided a method for recovering indium, the method being capable of recovering indium having a high purity at simple and inexpensive steps in a short time and with a high recovery. After indium containing substances, such as ITO target scraps, are crushed, the crushed substances are ground until the percentage of coarse particles having a larger particle size than a predetermined ...

Study on the method of recovering and …

A method of recovering indium from complex smelting residue containing indium was investigated. Indium was extracted by technique of low acid leaching and solvent extraction. The conditions of separating iron and indium were studied and the optimal conditions were determined.

JP3602329B2 - Method for recovering indium …

Y02P10/234 — Recovering metals from waste by hydro metallurgy Description [0001] TECHNICAL FIELD OF THE INVENTION The present invention relates to a method for recovering indium from an indium-containing material.

JP2006219719A - Method for recovering indium - …

PROBLEM TO BE SOLVED: To provide a method for recovering indium by which indium can be recovered at high recovery rate from an indium-containing substance containing metallic impurities, such as Zn, Fe, Cu, Al, Ga, As and Cd, and equipment for the indium recovery can be made compact. SOLUTION: A prescribed amount of calcium hydroxide is added to an indium-containing leachate …

JP2002069544A - Method for recovering indium - …

PROBLEM TO BE SOLVED: To provide a method for efficiently recovering indium from high-purity indium oxide-containing scrap generated during or after the production of an ITO sputtering target. SOLUTION: A step of dissolving ITO indium-containing scrap with hydrochloric acid to form an indium chloride solution, a step of adding an aqueous sodium hydroxide solution to the indium chloride ...

JP3203587B2 - Method for recovering indium - …

JP3203587B2 JP31398793A JP31398793A JP3203587B2 JP 3203587 B2 JP3203587 B2 JP 3203587B2 JP 31398793 A JP31398793 A JP 31398793A JP 31398793 A JP31398793 A JP 31398793A JP 3203587 B2 JP3203587 B2 JP 3203587B2 Authority JP Japan Prior art keywords indium ito method recovering oxide Prior art date 1993-11-22 Legal status (The legal status is an assumption and is not …

US Patent for Method for recovering indium by ...

In order to recover indium, while preventing generation of chlorine gas, by a direct electrowinning method from a hydrochloric acid solution from which impurities have been removed by various stone purification methods, an electrolysis is carried out by using an indium-containing hydrochloric acid solution as an electrolyte for a cathode compartment equipped with a cathode comprising an ...

New technique developed to recycle indium from waste LCD ...

recover indium from a solution that contains other metals; 16 experimental treatments were used to investigate the effect of variations in zinc concentration, pH of the acid solution and the duration of the recovery process.

US Patent for Method and apparatus for …

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 immersing a precipitation-inducing metal which ...

Recovery of indium from indium tin oxide by …

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.

metallurgy - Recovering and casting indium - …

Is there a good way to recover the indium? Perhaps increase its surface tension so that it beads up and coalesces? Ive seen something similar with sodium metal in hot oil; adding a few drops of isopropanol makes it coalesce. Is there a similar method for indium? Also, is there a good material to cast indium in? I see that teflon melts at a ...

Study on the method of recovering and …

Study on the method of recovering and separating indium from residue containing indium Article in Journal of Central South University of Technology 9(2):104-106 · June 2002 with 13 Reads

METHOD FOR RECOVERING INDIUM FROM …

15.10.2015 · The present invention relates to a method for recovering indium in a high selectivity and a high efficiency from an indium-containing solution, dispersion or mixture such as seawater, industrial water, waste water, cooling water, a solution extracted from wastes of electronic products such as display panel, or the like.

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