CN103173787B - A kind of compound method of indium electrolytic solution - Google Patents
A kind of compound method of indium electrolytic solution Download PDFInfo
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- CN103173787B CN103173787B CN201310122214.1A CN201310122214A CN103173787B CN 103173787 B CN103173787 B CN 103173787B CN 201310122214 A CN201310122214 A CN 201310122214A CN 103173787 B CN103173787 B CN 103173787B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
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Abstract
The invention discloses a kind of compound method of indium electrolytic solution.The object of the present invention is to provide a kind of not containing the compound method of the indium electrolytic solution of indium.The invention is characterized in following steps: A, kerosene, ethylaluminium chloride potassium to be mixed by the part by weight of 1:0.1 in liquid making tank, reheat to 45-60 DEG C, after stirring with glass stick, ethylaluminium chloride potassium is dissolved, obtain initial indium electrolytic solution; B, initial indium electrolytic solution steps A obtained are cooled to 25 DEG C, then add solid sodium chloride, dehydrated alcohol successively, after dissolving, namely obtain final electrolytic solution.The purity of described ethylaluminium chloride potassium is 99.99%.Described solid sodium chloride, dehydrated alcohol is analytical pure or more.Described kerosene is aviation kerosene.The present invention is mainly used in preparation indium electrolytic solution.
Description
Technical field
The present invention relates to a kind of compound method of electrolytic solution, particularly relate to a kind of compound method of indium electrolytic solution.
Background technology
Indium deserves to be called " VITAMIN of alloy ", and indium alloy can be used as braze, and indium is the important Addition ofelements that lead-free solder is new, and the development trend of world's lead-free solder is conducive to the application of indium braze.The low-melting feature of indium alloy is utilized also to can be made into specific alloy, for the broken circuit protecting equipment of fire-extinguishing system and the thermal controls apparatus of automatic control system; The bearing metal adding a small amount of indium manufacture is 4 ~ 5 times of general bearing metal work-ing life; Indium alloy also can be used for the corrosion-resistanting decoration part of dental care, iron and steel and non-ferrous metal, the aspect such as plastics metalizing.Because indium has stronger resistance to corrosion and the reflection potential to light, can be made into the speculum on warship or passenger steamer.Indium is radiosensitive to neutron, can be used as the monitoring dosage material of nuclear industry, is used in the indium of nuclear industry at present, and the consumption approximately and in electronic industry is close.
Indium can make additive in store battery, as inhibiter in mercury-free alkaline battery, battery can be made to become Green Product.Indium constantly increases preventing the consumption in atomizing layer, and indium coating is adopt in automobile industry at first, likely spreads in industry and high-grade covil construction industry and goes.Sony corporation of Japan has invented the new negative electrode replacing scandium with indium, and the cost of so every root electron beam gun has just dropped to mixes about 1/10th of scandium electron beam gun.Therefore, in the high-power output of televisor, in the long lifetime, the application development prospect of indium is noticeable.
At present, from 98% purification of crude indium to the mainly electrolysis of the process of 99.995% indium, and the foreign matter content of electrolytic solution be electrolytic process whether can the key of output qualified product.Impurity element such as Cd, Sn, Tl, Pb etc. contained by thick indium electrolytic process Anodic easily accumulate in the electrolytic solution, and when causing electrolysis, to separate out indium foreign matter content high and cause product defective for negative electrode.Existing electrolyte prescription mainly adds sodium-chlor, gelatin, to improve the electroconductibility of solution, prevent negative electrode from separating out indium lunge and short circuit simultaneously, but close Sn, Cd, the Tl of current potential is difficult to remove, and cause impurity enrichment in the electrolytic solution, in order to slow down the enrichment in the electrolytic solution of impurity, in current electrolysis liquid, indium content is general all at 100 grams per liters, so need a large amount of indium configuration electrolytic solution, costly and setup time long.
Summary of the invention
The object of the present invention is to provide a kind of compound method of indium electrolytic solution, to solve the problem.
For achieving the above object, technical solution of the present invention is: a kind of compound method of indium electrolytic solution, is characterized in that following steps:
A, kerosene, ethylaluminium chloride potassium are pressed the part by weight mixing of 1:0.1 in liquid making tank, reheat to 45-60 DEG C, after stirring with glass stick, ethylaluminium chloride potassium is dissolved, obtain initial indium electrolytic solution;
B, initial indium electrolytic solution steps A obtained are cooled to 25 DEG C, then add solid sodium chloride, dehydrated alcohol successively, after dissolving, namely obtain final electrolytic solution.
The purity of described ethylaluminium chloride potassium is 99.99%.
Described solid sodium chloride, dehydrated alcohol is analytical pure or more.
Described kerosene is aviation kerosene.
The invention has the beneficial effects as follows: during electrolysis production indium, in electrolytic solution, residual impurity is low; During electrolysis, inhibition of impurities separates out successful; Electrolytic solution is long for duration of service; Not containing indium in electrolytic solution, expense is very low; Be applicable to scale operationization needs.
Use the comparison of ingredients of the electrolytic solution after 60 days and new electrolyte
| Classification | Pb(mg/L) | Sn(mg/L) | Cd(mg/L) | Tl(mg/L) |
| New configuration electrolytic solution | 1 | 1 | 3 | 2 |
| Use the electrolytic solution after 60 days | 2 | 2 | 3 | 3 |
In the middle of above list data, use the electrolytic solution (newly configuring electrolytic solution) that makes of the present invention to have life cycle long, the advantages such as in electrolytic solution foreign matter content is low, use after 60 days, in electrolytic solution, the impurity of enrichment is less.
Embodiment
Below in conjunction with embodiment, the present invention and embodiment thereof are described in further detail.
The invention is characterized in following steps:
A, kerosene, ethylaluminium chloride potassium are pressed the part by weight mixing of 1:0.1 in liquid making tank, reheat to 45-60 DEG C, after stirring with glass stick, ethylaluminium chloride potassium is dissolved, obtain initial indium electrolytic solution;
B, initial indium electrolytic solution steps A obtained are cooled to 25 DEG C, then add solid sodium chloride, dehydrated alcohol successively, after dissolving, namely obtain final electrolytic solution.
The purity of described ethylaluminium chloride potassium is 99.99%.
Described solid sodium chloride, dehydrated alcohol is analytical pure or more.
Described kerosene is aviation kerosene.
Below provide embodiments of the invention:
Example 1
Be the ethylaluminium chloride potassium K [Al of 99.99% by purity
2(C
2h
5)
6cl] 0.1kg add aviation kerosene 1kg in liquid making tank (titanium tank), be heated to 45 DEG C and with glass stick stir make ethylaluminium chloride potassium dissolve after, obtain initial indium electrolytic solution; Then be cooled to 25 DEG C, then add successively 99.99% solid sodium chloride 5g, 99.99% dehydrated alcohol 25g after stirring and dissolving, i.e. obtained final indium electrolytic solution.
Example 2
By purity be 99.99% ethylaluminium chloride potassium 0.5kg add aviation kerosene 5kg in container (titanium tank), be heated to 50 DEG C and with glass stick stir make ethylaluminium chloride potassium dissolve after, obtain initial indium electrolytic solution; Then be cooled to 25 DEG C, then add successively 99.99% solid sodium chloride 25g, 99.99% dehydrated alcohol 125g after dissolving, i.e. obtained final indium electrolytic solution, all the other are with example 1.
Example 3
By purity be 99.99% ethylaluminium chloride potassium 1kg add aviation kerosene 10kg in container (titanium tank), be heated to 60 DEG C and with glass stick stir make ethylaluminium chloride potassium dissolve after, obtain initial indium electrolytic solution; Then be cooled to 25 DEG C, then add successively 99.99% solid sodium chloride 50g, 99.99% dehydrated alcohol 250g after dissolving, i.e. obtained final indium electrolytic solution, all the other are with example 1.
Solid sodium chloride, the dehydrated alcohol place of production are Shanghai traditional Chinese medicines group, analytical pure; Ethylaluminium chloride potassium K [Al
2(C
2h
5)
6cl] be that DuPont is produced, be imported product, purchase, aviation kerosene is that Sinopec company produces, and has commercially available.
Claims (4)
1., for an indium electrolyte quota method for purification of crude indium process, it is characterized in that following steps:
A, kerosene, ethylaluminium chloride potassium are pressed the part by weight mixing of 1:0.1 in liquid making tank, reheat to 45-60 DEG C, after stirring with glass stick, ethylaluminium chloride potassium is dissolved, obtain initial indium electrolytic solution;
B, initial indium electrolytic solution steps A obtained are cooled to 25 DEG C, then add solid sodium chloride, dehydrated alcohol successively, after dissolving, namely obtain final electrolytic solution.
2., by compound method according to claim 1, it is characterized in that the purity of described ethylaluminium chloride potassium is 99.99%.
3., by compound method according to claim 1, it is characterized in that described solid sodium chloride, dehydrated alcohol is analytical pure or more.
4., by compound method according to claim 1, it is characterized in that described kerosene is aviation kerosene.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310122214.1A CN103173787B (en) | 2013-04-10 | 2013-04-10 | A kind of compound method of indium electrolytic solution |
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| CN201310122214.1A CN103173787B (en) | 2013-04-10 | 2013-04-10 | A kind of compound method of indium electrolytic solution |
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| CN103173787A CN103173787A (en) | 2013-06-26 |
| CN103173787B true CN103173787B (en) | 2015-11-11 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1905853A1 (en) * | 2006-09-29 | 2008-04-02 | Paul Wurth S.A. | Heat treatment method of metal-containing waste materials contaminated with organics and apparatus therefor |
| CN102534227A (en) * | 2012-03-01 | 2012-07-04 | 郴州市金贵银业股份有限公司 | Method for extracting indium from indium-rich smoke dust by using oxygen pressure technology |
-
2013
- 2013-04-10 CN CN201310122214.1A patent/CN103173787B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1905853A1 (en) * | 2006-09-29 | 2008-04-02 | Paul Wurth S.A. | Heat treatment method of metal-containing waste materials contaminated with organics and apparatus therefor |
| CN102534227A (en) * | 2012-03-01 | 2012-07-04 | 郴州市金贵银业股份有限公司 | Method for extracting indium from indium-rich smoke dust by using oxygen pressure technology |
Non-Patent Citations (2)
| Title |
|---|
| （俄）费多洛夫等著.铟化学手册.《铟化学手册》.北京大学出版社,2005,(第1版), * |
| 王树楷著.铟冶炼.《铟冶炼》.冶金工业出版社,2006,(第1版), * |
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Address after: 412000 Jinshan private science and Technology Park, Hetang District, Zhuzhou City, Hunan Province Patentee after: Zhuzhou Keneng New Material Co.,Ltd. Address before: 412000 Jinshan Industrial Park, Hetang District, Zhuzhou City, Hunan Province Patentee before: ZHUZHOU KENENG NEW MATERIAL Co.,Ltd. |
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