CN2464741Y - Auxiliary electrode for gold electrolyzing purifying - Google Patents
Auxiliary electrode for gold electrolyzing purifying Download PDFInfo
- Publication number
- CN2464741Y CN2464741Y CN 01210242 CN01210242U CN2464741Y CN 2464741 Y CN2464741 Y CN 2464741Y CN 01210242 CN01210242 CN 01210242 CN 01210242 U CN01210242 U CN 01210242U CN 2464741 Y CN2464741 Y CN 2464741Y
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- CN
- China
- Prior art keywords
- gold
- electrode
- shell
- solution
- auxiliary electrode
- 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
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- Electrolytic Production Of Metals (AREA)
Abstract
The utility model relates to an auxiliary electrode for electrolyzing and purifying gold. An outer shell is composed of non-metal materials; the gap among molecules of the outer shell is smaller than the diameter of a gold ion. A conductive body in the outer shell is connected with a negative pole of a power supply. Because the gap among molecules of the outer shell is smaller than the diameter of the gold ion, gold ions in gold electrolyte can not be reduced on the surface of the auxiliary electrode. Under the effect of current, additional gold ions dissolved from an anode are endlessly added to the surface of a cathode; thus, gold with highly pure degree can be obtained from the cathode.
Description
The utility model relates to a kind of electrode, particularly a kind of supporting electrode that is used for the gold refining.
In the prior art, purify " four or nine " that utilize electrolytic process to carry out gold, be to adopt sine wave period commutation electrolysis process, utilize sinusoidal wave forward current at cathode deposition gold, utilize sinusoidal wave reversible circulation to be partly dissolved at the gold of cathodic deposition with former, thereby in the gold electrolytic process, keep the balance of cathode surface layer gold ion concentration, to reach the purpose that gold " four or nine " is purified.But exist following problem in the prior art: liquid making is big with the gold amount; The gold electrolysing period is long; Electrochemical process is restive, causes the less stable of percentage of gold.
The purpose of this utility model is to provide a kind of supporting electrode that is used for the gold refining, use this supporting electrode can overcome above-mentioned shortcoming in the prior art, in electrochemical process, can directly control the gold concentration of cathode surface, thereby control percentage of gold intuitively, reach and reduce liquid making significantly, improve working current with gold, shorten the gold electrolysing period, the purpose that reduces cost.
The utility model is achieved in that a kind of supporting electrode that is used for the gold refining of the utility model, constitute by shell, electrode and electrode solution, shell is made of non-metallic material, its intermolecular gap is less than the diameter of gold ion, and electrode is a conductor, and electrode solution is common electrolytic solution, shell is fixed on the support, electrode solution places shell, and electrode is suspended in the electrode solution, and an end is fixed on the support; During use, a kind of supporting electrode that is used for the gold refining of the utility model is placed electrolyzer, and link to each other with the negative pole of power supply, promptly in parallel with the negative electrode in the former electrolyzer.In the gold electrolytic process, gold ion flows to supporting electrode and negative electrode from anode, because the intermolecular gap of the shell of supporting electrode is less than the diameter of gold ion, so the gold ion in the electrolytic solution can be in the surface reduction and the deposition of supporting electrode, therefore under current effect, the extra gold ion that anode dissolution gets off, constantly increase the concentration of cathode surface gold ion, thereby it is lower at the gold concentration of electrolyte, the cathode and anode electric current is bigger, the purification cycle can obtain more highly purified gold at negative electrode than under the short condition.At a kind of supporting electrode that is used for the gold refining of the utility model, the pilot circuit of can also connecting, thus by changing the strength of current in its circuit parameter change supporting electrode, reach the purpose of control gold electrolytic process medium velocity and purity.
The utility model so can control the gold electrolytic process in simple, intuitive ground, can reduce liquid making simultaneously with gold because adopted technique scheme, shortens the gold electrolysing period, and reduction gold electrolysis cost has reached the purpose of this utility model.
Below in conjunction with accompanying drawing and embodiment of the present utility model, the utility model is further described.
Fig. 1 is the synoptic diagram of the supporting electrode that adopted among embodiment of the utility model.
As shown in Figure 1, a kind of supporting electrode that is used for the gold refining of the utility model, be made of shell 1, electrode 2 and electrode solution 3, shell 1 is made of non-metallic material, and its intermolecular gap is less than the diameter of gold ion, electrode 2 is a conductor, electrode solution 3 is common electrolytic solution, and shell 1 is fixed on the support 4, and electrode solution 3 places shell, electrode 2 is suspended in the electrode solution 3, and an end is fixed on the support 4; During use, a kind of supporting electrode that is used for the gold refining of the utility model is placed electrolyzer, and link to each other with the negative pole of power supply, promptly in parallel with the negative electrode in the former electrolyzer.In the electrolytic process, gold ion flows to supporting electrode and negative electrode from anode, because the intermolecular gap of the shell of supporting electrode is less than the diameter of gold ion, so the gold ion in the electrolytic solution can be in the surface reduction and the deposition of supporting electrode, therefore under current effect, the extra gold ion that anode dissolution gets off, constantly increase the concentration of cathode surface gold ion, thereby it is lower at the gold concentration of electrolyte, the cathode and anode electric current is bigger, the purification cycle can obtain more highly purified gold at negative electrode than under the short condition.At a kind of supporting electrode that is used for the gold refining of the utility model, pilot circuit 5 in the prior art of can also connecting, thereby pilot circuit 5 can reach the purpose of control gold electrolytic process medium velocity and purity by changing the strength of current in its circuit parameter change supporting electrode.
Claims (2)
1, a kind of supporting electrode that is used for the gold refining, be made of shell, electrode and electrode solution, it is characterized in that: described shell is made of pottery, elastomeric material or ionic membrane, and its intermolecular gap is less than the diameter of gold ion, electrode is a conductor, electrode solution is an electrolytic solution, and shell is fixed on the support, and electrode solution places shell, electrode is suspended in the electrode solution, and an end of electrode is fixed on the support.
2, a kind of supporting electrode that is used for the gold refining as claimed in claim 1 is characterized in that: on described electrode, be in series with a pilot circuit that can change circuit parameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01210242 CN2464741Y (en) | 2001-01-16 | 2001-01-16 | Auxiliary electrode for gold electrolyzing purifying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01210242 CN2464741Y (en) | 2001-01-16 | 2001-01-16 | Auxiliary electrode for gold electrolyzing purifying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2464741Y true CN2464741Y (en) | 2001-12-12 |
Family
ID=33629827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01210242 Expired - Fee Related CN2464741Y (en) | 2001-01-16 | 2001-01-16 | Auxiliary electrode for gold electrolyzing purifying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2464741Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104178781A (en) * | 2013-05-24 | 2014-12-03 | 华东理工大学 | Electrolysis device suitable for electrolyzing refined metals |
-
2001
- 2001-01-16 CN CN 01210242 patent/CN2464741Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104178781A (en) * | 2013-05-24 | 2014-12-03 | 华东理工大学 | Electrolysis device suitable for electrolyzing refined metals |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |