CN219157002U - Organic super-roughening liquid electrolytic copper circulation regeneration system device - Google Patents
Organic super-roughening liquid electrolytic copper circulation regeneration system device Download PDFInfo
- Publication number
- CN219157002U CN219157002U CN202221714936.7U CN202221714936U CN219157002U CN 219157002 U CN219157002 U CN 219157002U CN 202221714936 U CN202221714936 U CN 202221714936U CN 219157002 U CN219157002 U CN 219157002U
- Authority
- CN
- China
- Prior art keywords
- copper
- super
- liquid
- roughening
- extraction
- 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.)
- Active
Links
Images
Classifications
-
- 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
- Y02P10/20—Recycling
Abstract
The utility model provides an organic super-roughening liquid electrolytic copper circulation regeneration system device, which comprises a pH adjusting device, an extracting device, a stripping device and an electrolyzing device which are sequentially connected; the extraction device comprises a raffinate outlet and an extract outlet, the extract outlet is connected with the liquid inlet of the back extraction device, and the raffinate outlet is connected with the super-roughening liquid regeneration device. The system device can recover copper ions in the copper-containing ultra-coarsening microetching waste liquid into high-purity copper through electrodeposition, and the low-copper ultra-coarsening microetching liquid after copper extraction can be stably recycled to the ultra-coarsening microetching tank for working after fine adjustment, so that effective recovery and cyclic utilization of resources are realized.
Description
Technical Field
The utility model belongs to the field of waste liquid treatment, relates to a regeneration system device of super-roughening liquid, and particularly relates to an organic super-roughening liquid electrolytic copper circulation regeneration system device.
Background
A large amount of organic super-roughening microetching waste liquid with copper content of 30-40 g/L is generated in the solder green oil pretreatment process in the manufacturing process of the printed circuit board (Printed Circuit Board, PCB). The prior treatment scheme mainly comprises the following steps of neutralizing and pressing mud: the neutralization mud pressing treatment process is simple but has high running cost, and because the copper ion standard emission concentration is less than 0.5ppm, the treatment difficulty of the copper ion standard emission concentration containing a large amount of organic acid and organic acid salt is very high, and the main component of the ultra-coarsening microetching solution cannot be recycled.
CN107541748A discloses a pretreatment process and pretreatment system for microetching waste liquid with low copper content, which improves the purity and concentration of copper ions in the electrolyte by extracting copper ions in the waste liquid, and through a series of steps of water washing, back extraction and the like, the copper ions in the waste liquid are electrolyzed to generate copper products, the electrolysis speed and the quality of the copper products are improved, the energy consumption is reduced, the production benefit is improved, and the extractant and sulfuric acid can be recycled, so that the cost is saved; the copper ion content in the extracted low copper microetching waste liquid is reduced to below 1g/L, and the low copper microetching waste liquid is converted into high-quality copper products, so that the utilization rate of resources is improved.
CN114182299a discloses a circuit board microetching waste liquid regeneration and circulation process, which comprises the following specific processes: s1, filtering waste liquid: filtering the microetching waste liquid of the circuit board so as to remove fixed impurities in the microetching waste liquid to obtain the microetching waste liquid with impurities removed; s2, extracting waste liquid: the method comprises the following steps that (1) impurity-removed microetching waste liquid in the step (S1) is subjected to extraction treatment to obtain microetching waste liquid containing copper sulfate solution and free of copper ions; s3, waste liquid regeneration treatment: the microetching waste liquid without copper ions is subjected to inspection and analysis to pass through filtering and impurity removal, and then the components required by the microetching liquid are added, so that regenerated microetching liquid is obtained; s4, electrolytic solution: and S2, separating out copper ions in the copper sulfate solution obtained in the step S2 after electrolytic treatment, and filtering the obtained sulfuric acid solution at the same time, wherein the finally obtained impurity-removed sulfuric acid solution is recycled for extraction of microetching waste liquid in the step S2. The copper sulphate solution and the microetching waste liquid free of copper ions are directly obtained in the process, and if the copper ions are considered to be extracted, the copper sulphate solution can be obtained by a back extraction step, however, the step is not mentioned in the process.
Disclosure of Invention
In order to solve the technical problems in the prior art, the utility model provides an organic super-roughening liquid electrolytic copper circulation regeneration system device, which can recover copper ions in copper-containing super-roughening microetching waste liquid into high-purity copper through electrodeposition, and the low-copper super-roughening microetching liquid after copper extraction can be stably recycled to the super-roughening microetching tank for working after fine adjustment, so that effective recovery and recycling of resources are realized.
In order to achieve the technical effects, the utility model adopts the following technical scheme:
the utility model provides an organic super-roughening liquid electrolytic copper circulation regeneration system device, which comprises a pH adjusting device, an extracting device, a stripping device and an electrolyzing device which are sequentially connected;
the extraction device comprises a raffinate outlet and an extract outlet, the extract outlet is connected with the liquid inlet of the back extraction device, and the raffinate outlet is connected with the super-roughening liquid regeneration device.
As a preferable technical scheme of the utility model, the liquid outlet of the pH adjusting device is connected with a super-roughening liquid collecting device.
In the present utility model, the pH adjusting means adjusts the pH of the super-roughening liquid to 4 to 7, such as 4.5, 5, 5.5, 6 or 6.5, etc., but is not limited to the recited values, and other non-recited values within the range of values are equally applicable.
As a preferable technical scheme of the utility model, a first pump is arranged on a connecting pipeline of the super-roughening liquid collecting device and the pH adjusting device.
As a preferable technical scheme of the utility model, a second pump is arranged on a connecting pipeline of the pH adjusting device and the extracting device.
As a preferred embodiment of the present utility model, the first pump and the second pump are each independently a magnetic pump.
In the present utility model, the selection of the first pump and the second pump is not limited to the magnetic pump, and the magnetic pump is only the best selection, and other types of pumps can be used in the present utility model.
As a preferred technical scheme of the utility model, the extraction device is provided with an extraction agent injection assembly.
In the present utility model, the extraction device may be adapted to use an extractant comprising any one or a combination of at least two of N910, N902, H980, P204, P507 or H984, typical but non-limiting examples of such combinations are: a combination of N910 and N902, a combination of N902 and H980, a combination of H980 and H984, a combination of H984 and N910, a combination of H980 and P204, a combination of P204 and P507, or a combination of N910, N902 and H980, etc.
As a preferable technical scheme of the utility model, the extraction stage number of the extraction device is 1-5, such as 2, 3 or 4 stages.
As a preferable technical scheme of the utility model, the stripping device is provided with a stripping agent injection assembly.
In the utility model, the stripping agent is preferably sulfuric acid, and the stripping agent can be regenerated after stripping, and meanwhile, copper sulfate solution is obtained.
As a preferable technical scheme of the utility model, the electrolytic device is provided with an electrolyzed liquid outlet which is connected with a stripping agent injection component of the stripping device.
In the utility model, the anode in the electrolytic tank is a plating net-shaped titanium plate, the cathode is copper foil or copper block, and the electrolyzed residual liquid has low copper content and high acidity and can be returned to a stripping device to be used as a stripping agent.
As a preferable technical scheme of the utility model, the super-roughening liquid regeneration device is connected with a super-roughening device in a production line.
In the utility model, the raffinate extracted by the extraction device can not be directly recycled as super-roughening liquid, and the super-roughening liquid can be recycled only by supplementing corresponding missing components in the super-roughening liquid regeneration device.
Compared with the prior art, the utility model has at least the following beneficial effects:
(1) The utility model provides an organic super-roughening liquid electrolytic copper recycling system device, which has low process equipment and operation cost and is simple and convenient to operate;
(2) The utility model provides an organic super-roughening electrolytic copper cyclic regeneration system device, which can be recycled to a microetching tank for working after fine adjustment of an extracted organic super-roughening microetching solution, so that the cost of a super-roughening microetching process is saved;
(3) The utility model provides an organic super-roughening liquid electrolytic copper recycling system device, which can realize the recovery of noble metal copper resources and has better copper quality than the copper product recovered by the direct electrolytic method of organic super-roughening waste liquid electrolytic method.
Drawings
FIG. 1 is a schematic diagram of a device of an organic super-roughening liquid electrolytic copper cycle regeneration system provided by the utility model;
in the figure: 1-pH adjusting device, 2-extracting device, 3-back extraction device, 4-electrolytic device, 5-super coarsening liquid regenerating unit, 6-super coarsening liquid collecting unit.
The present utility model will be described in further detail below. The following examples are merely illustrative of the present utility model and are not intended to represent or limit the scope of the utility model as defined in the claims.
Detailed Description
For a better illustration of the present utility model, which is convenient for understanding the technical solution of the present utility model, exemplary but non-limiting examples of the present utility model are as follows:
example 1
The embodiment provides an organic super-roughening liquid electrolytic copper recycling system device, which is shown in a structural diagram 1, and comprises a pH adjusting device 1, an extracting device 2, a stripping device 3 and an electrolyzing device 4 which are sequentially connected;
the extraction device 2 comprises a raffinate outlet and an extract outlet, the extract outlet is connected with the liquid inlet of the back extraction device 3, and the raffinate outlet is connected with the super-roughening liquid regeneration device 5;
the liquid outlet of the pH adjusting device 1 is connected with a super-roughening liquid collecting device 6;
a first pump is arranged on a connecting pipeline of the super-roughening liquid collecting device 6 and the pH adjusting device 1, a second pump is arranged on a connecting pipeline of the pH adjusting device 1 and the extracting device 2, and the first pump and the second pump are magnetic pumps respectively and independently;
the extraction device 2 is provided with an extraction agent injection assembly, and the extraction stage number of the extraction device 2 is 1;
the stripping device 3 is provided with a stripping agent injection assembly;
the electrolysis device 4 is provided with an electrolyzed liquid outlet which is connected with a stripping agent injection component of the stripping device 3;
the super-roughening liquid regeneration device is connected with a super-roughening device in the production line.
Example 2
In this example, the conditions were the same as in example 2 except that the extraction stage number of the extraction apparatus 2 was 2.
Example 3
In this example, the conditions were the same as in example 2 except that the extraction stage number of the extraction apparatus 2 was 3.
Example 4
In this example, the conditions were the same as in example 2 except that the extraction stage number of the extraction apparatus 2 was 4.
Example 5
In this example, the conditions were the same as in example 2 except that the extraction stage number of the extraction apparatus 2 was 5.
The pH adjusting device in examples 1-5 adjusts the pH of the super-roughened liquid to 6, wherein the extractant used is N910 and the counter extractant is sulfuric acid; the anode in the electrolytic tank is a plating net-shaped titanium plate, and the cathode is copper foil.
The organic super-roughening solutions treated in examples 1-5 were composed of formic acid, sodium formate, copper chloride, sodium chloride and additives.
The mass of copper obtained by electrolysis in examples 1 to 5 was weighed and the recovery rate was calculated, while the purity thereof was tested, and the results are shown in Table 1.
TABLE 1
| Cu recovery/% | Cu purity/% | |
| Example 1 | 40 | ＞99 |
| Example 2 | 60 | ＞99 |
| Example 3 | 80 | ＞99 |
| Example 4 | 95 | ＞99 |
| Example 5 | 98 | ＞99 |
From the test results of Table 1, it can be seen that the recovery of copper gradually increases as the number of extraction stages increases. Therefore, the number of stages of the extractant can be selected according to the composition of the super-roughening liquid and the difference of the extraction effect, so as to obtain the optimal extraction effect. Furthermore, the extraction efficiency is also related to pH, the lower the extraction efficiency, and the closer the pH is to neutral, the higher the extraction efficiency. And the purity of copper obtained by electrolysis is irrelevant to the extraction level.
The applicant states that the detailed structural features of the present utility model are described by the above embodiments, but the present utility model is not limited to the above detailed structural features, i.e. it does not mean that the present utility model must be implemented depending on the above detailed structural features. It should be apparent to those skilled in the art that any modifications of the present utility model, equivalent substitutions of selected components of the present utility model, addition of auxiliary components, selection of specific modes, etc., are within the scope of the present utility model and the scope of the disclosure.
The preferred embodiments of the present utility model have been described in detail above, but the present utility model is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present utility model within the scope of the technical concept of the present utility model, and all the simple modifications belong to the protection scope of the present utility model.
In addition, the specific features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described further.
Moreover, any combination of the various embodiments of the utility model can be made without departing from the spirit of the utility model, which should also be considered as disclosed herein.
Claims (7)
1. The system device is characterized by comprising a pH adjusting device, an extracting device, a stripping device and an electrolyzing device which are sequentially connected;
the extraction device comprises a raffinate outlet and an extract outlet, the extract outlet is connected with a liquid inlet of the back extraction device, and the raffinate outlet is connected with the super-roughening liquid regeneration device;
the stripping device is provided with a stripping agent injection assembly, the electrolysis device is provided with an electrolyzed liquid outlet, and the electrolyzed liquid outlet is connected with the stripping agent injection assembly of the stripping device.
2. The device of claim 1, wherein the liquid outlet of the pH adjuster is connected with a super-roughening liquid collector.
3. The device of the organic super-roughening liquid electrolytic copper cycle regeneration system according to claim 2, wherein a first pump is arranged on a connecting pipeline of the super-roughening liquid collecting device and the pH adjusting device;
the first pump is a magnetic pump.
4. The device of claim 1, wherein a second pump is arranged on a connecting pipeline between the pH adjusting device and the extracting device;
the second pump is a magnetic pump.
5. The device of claim 1, wherein the extraction device is provided with an extractant injection assembly.
6. The device of claim 1, wherein the extraction stage number of the extraction device is 1-5.
7. The device of claim 1, wherein the device is connected to a super-roughening device in a production line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221714936.7U CN219157002U (en) | 2022-06-29 | 2022-06-29 | Organic super-roughening liquid electrolytic copper circulation regeneration system device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221714936.7U CN219157002U (en) | 2022-06-29 | 2022-06-29 | Organic super-roughening liquid electrolytic copper circulation regeneration system device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219157002U true CN219157002U (en) | 2023-06-09 |
Family
ID=86645012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221714936.7U Active CN219157002U (en) | 2022-06-29 | 2022-06-29 | Organic super-roughening liquid electrolytic copper circulation regeneration system device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219157002U (en) |
-
2022
- 2022-06-29 CN CN202221714936.7U patent/CN219157002U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101550488B (en) | Method of preparing high pure cathode copper by using PCB acid chlorine copper etching solution sewage | |
| CN203999825U (en) | The device that regenerating alkaline etching liquid circulation and copper reclaim | |
| CN102418099B (en) | Process for recovering copper by processing acidic copper chloride etchant through rotational flow electrolysis | |
| CN103924085B (en) | Utilize Copper making spent acid from heavy metal sewage sludge, reclaim the method for copper zinc-nickel | |
| CN102839379A (en) | On-line treatment method of acidic etching solution | |
| CN104962742A (en) | Method for recycling copper from acid waste etching solution | |
| CN103233128A (en) | Method for recovering copper from acid waste etching solution | |
| CN102701339B (en) | Recovery processing method of cyanide barren solution | |
| CN108950562B (en) | Two-stage tin stripping method for PCB | |
| CN111560615A (en) | Method for on-line recovery of copper and chlorine from acidic etching waste liquid and regeneration of etching liquid | |
| CN102912142B (en) | Method for recycling copper from etching solution through combination of multistage cross current and counter current | |
| CN111621788A (en) | Method for recovering copper from alkaline etching waste liquid | |
| CN103397341B (en) | A kind of method reclaiming copper from alkaline spent etching solution | |
| CN103741143A (en) | Circulating treatment system and method for etching solution | |
| US20220002891A1 (en) | Method and device of removing and recycling metals from mixing acid solution | |
| CN219157002U (en) | Organic super-roughening liquid electrolytic copper circulation regeneration system device | |
| CN101003394A (en) | System and method for treating waste solution from acidity etching printed circuit board | |
| CN101003396A (en) | System and method for treating wastewater of containing copper from microetching printed circuit board | |
| CN107313069A (en) | A kind of method by acid, the mashed up recovery copper of alkali spent etching solution | |
| CN201704154U (en) | Integrated PCB cupric waste liquid treatment system | |
| TWI658994B (en) | Copper etching (copper acid) waste liquid copper ion treatment and recovery method | |
| CN202499908U (en) | Alkaline etching liquid regeneration and copper recovery system | |
| CN202755059U (en) | Etching liquid waste processing device | |
| CN204625787U (en) | A kind of alkaline etching liquid electrolysis cycle regeneration system rapidly | |
| CN109112312A (en) | A method of recycling copper from micro-etched waste liquid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |