CN217449660U - Processing system for regulating ketonic acid ratio of copper electrolysis solution by membrane method - Google Patents
Processing system for regulating ketonic acid ratio of copper electrolysis solution by membrane method Download PDFInfo
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- CN217449660U CN217449660U CN202123424786.4U CN202123424786U CN217449660U CN 217449660 U CN217449660 U CN 217449660U CN 202123424786 U CN202123424786 U CN 202123424786U CN 217449660 U CN217449660 U CN 217449660U
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 96
- 239000002253 acid Substances 0.000 title claims abstract description 93
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 84
- 239000010949 copper Substances 0.000 title claims abstract description 84
- 239000012528 membrane Substances 0.000 title claims abstract description 56
- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 38
- 230000001105 regulatory effect Effects 0.000 title claims description 11
- 238000001728 nano-filtration Methods 0.000 claims abstract description 95
- 239000003792 electrolyte Substances 0.000 claims abstract description 57
- 238000001914 filtration Methods 0.000 claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000001471 micro-filtration Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 11
- 150000004715 keto acids Chemical class 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 4
- 230000003750 conditioning effect Effects 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 238000004065 wastewater treatment Methods 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 22
- 239000011889 copper foil Substances 0.000 description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 239000011888 foil Substances 0.000 description 6
- 230000008676 import Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 241000758789 Juglans Species 0.000 description 4
- 235000009496 Juglans regia Nutrition 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 235000020234 walnut Nutrition 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229910001431 copper ion Inorganic materials 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000005909 Kieselgur Substances 0.000 description 1
- 238000005903 acid hydrolysis reaction Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910000365 copper sulfate Inorganic materials 0.000 description 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model provides a processing system that copper electrolysis electrolyte ketonic acid ratio was adjusted to membrane method relates to waste water treatment's technical field. The treatment system for adjusting the ketonic acid ratio of the copper electrolysis solution by using the membrane method comprises a copper dissolving tank, a first filtering assembly, a first multistage acid-resistant nanofiltration filtering piece, an electrolytic bath and a second multistage acid-resistant nanofiltration filtering piece; the copper dissolving tank, the first filtering assembly, the first multistage acid-resistant nanofiltration filtering piece, the electrolytic bath and the second multistage acid-resistant nanofiltration filtering piece are sequentially connected; the water producing ports of the first multistage acid-resistant nanofiltration filtering piece and the second multistage acid-resistant nanofiltration filtering piece are connected with the copper dissolving tank, and the concentrated water outlets of the first multistage acid-resistant nanofiltration filtering piece and the second multistage acid-resistant nanofiltration filtering piece are connected by electrolytic baths. The technical effect of reducing the production cost is achieved.
Description
Technical Field
The utility model relates to a waste water treatment technical field particularly, relates to embrane method and adjusts processing system that copper electrolyzes electrolyte keto-acid to compare.
Background
The rapidly growing lithium battery industry has driven the rapid development of the material manufacturing industry associated therewith. Copper foil is a critical conductive material in lithium battery cells and printed circuit boards. The electrolytic copper foil is widely applied to the production of the copper foil due to simple process flow and low cost. The manufacturing process of the electrolytic copper foil mainly comprises four process stages: preparing electrolyte (in a copper dissolving tank, using sulfuric acid to prepare copper material into copper sulfate solution to prepare electrolyte), manufacturing a raw foil (also called a crude foil) (in a foil forming machine, generating the raw foil through electrochemical reaction), performing organic coating (performing surface treatment on the crude foil, performing a coating process on a lithium electrolytic copper foil in a crude foil integrated machine), rolling, slitting and inspecting.
The control of the copper-acid ratio of the copper-acid electrolyte is the core of the electrolytic copper foil, directly determines the copper electrolysis efficiency and the copper foil quality, and the copper-acid electrolyte in the production process contains 80-95g/L of copper and 100-115g/L of sulfuric acid. The copper dissolution tank process can cause copper-acid ratio imbalance and the content of electrolytic copper ions is reduced, and the copper-acid ratio can be adjusted only by adding copper materials through the re-dissolved copper filling body, but the operation increases the complexity of the process and certain resource waste, and the production cost is increased.
Therefore, providing a treatment system for adjusting the ketonic acid ratio of copper electrolysis electrolyte by a membrane method, which reduces the production cost, is an important technical problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a processing system that copper electrolysis electrolyte keto-acid ratio is adjusted to membrane method to alleviate the technical problem that manufacturing cost is high among the prior art.
The embodiment of the utility model provides a processing system of membrane method regulation copper electrolysis electrolyte ketonic acid ratio, including dissolving copper jar, first filter assembly, first multistage acidproof nanofiltration filter piece, electrolysis trough, second multistage acidproof nanofiltration filter piece;
the copper dissolving tank, the first filtering assembly, the first multistage acid-resistant nanofiltration filtering piece, the electrolytic bath and the second multistage acid-resistant nanofiltration filtering piece are connected in sequence;
first multistage acid-proof is received and is strained filter piece with the multistage acid-proof of second is received and is strained filter piece both produce water mouthful with dissolve the copper jar and connect, first multistage acid-proof receive filter piece with the multistage acid-proof of second is received and is strained filter piece both dense water export all with the electrolysis trough is connected.
The embodiment of the utility model provides a possible implementation mode, wherein, above-mentioned first filtering component includes microfiltration filter, microfiltration filter's import and the exit linkage who dissolves the copper jar.
The embodiment of the utility model provides a possible implementation mode, wherein, above-mentioned first filtering component still includes bag filter, bag filter's import with micro filter's exit linkage.
The embodiment of the utility model provides a possible implementation mode, wherein, above-mentioned processing system that copper electrolysis electrolyte ketonic acid ratio was adjusted to embrane method still includes the heat exchanger, bag filter's export with the access connection of heat exchanger.
The embodiment of the utility model provides a possible implementation mode, wherein, above-mentioned processing system that membrane method was adjusted copper and is separated electrolyte ketonic acid ratio still includes the filter that is arranged in filtering the soluble impurity in the copper electrolyte, the import of filter with the exit linkage of heat exchanger.
The embodiment of the utility model provides a possible implementation mode, wherein, the filter medium of above-mentioned filter is one kind or more in diatomaceous earth, active carbon and the walnut shell.
The embodiment of the utility model provides a possible implementation mode, wherein, the first multistage acid-proof nanofiltration filtration part comprises a low interception rate nanofiltration membrane and a high interception rate nanofiltration membrane;
and the inlet of the first multi-stage acid-resistant nanofiltration filtering element is connected with the outlet of the filter.
The embodiment of the utility model provides a possible embodiment, wherein, the processing system that copper electrolysis electrolyte ketonic acid ratio was adjusted to above-mentioned embrane method still includes first electrolyte buffer memory pond, the import in first electrolyte buffer memory pond with first multistage acidproof is received and is strained and filter the piece connection.
The embodiment of the utility model provides a possible implementation mode, wherein, the processing system that copper electrolysis electrolyte ketonic acid ratio was adjusted to above-mentioned embrane method still includes second electrolyte buffer memory pond, the import of second electrolyte buffer memory pond with the electrolysis trough is connected.
The embodiment of the utility model provides a possible implementation mode, wherein, the second multistage acid-proof nanofiltration filtration part comprises a low interception rate nanofiltration membrane and a high interception rate nanofiltration membrane;
and the inlet of the second multistage acid-resistant nanofiltration filter element is connected with the second electrolyte buffer pool.
Has the advantages that:
the embodiment of the utility model provides a processing system of membrane method regulation copper electrolysis electrolyte ketonic acid ratio, including dissolving copper jar, first filter assembly, first multistage acidproof nanofiltration filter piece, electrolysis trough, second multistage acidproof nanofiltration filter piece; the copper dissolving tank, the first filtering assembly, the first multistage acid-resistant nanofiltration filtering piece, the electrolytic bath and the second multistage acid-resistant nanofiltration filtering piece are sequentially connected; the water producing ports of the first multistage acid-resistant nanofiltration filtering piece and the second multistage acid-resistant nanofiltration filtering piece are connected with the copper dissolving tank, and the concentrated water outlets of the first multistage acid-resistant nanofiltration filtering piece and the second multistage acid-resistant nanofiltration filtering piece are both connected with the electrolytic bath.
Specifically, the treatment system for regulating the ketonic acid ratio of the copper electrolysis electrolyte by the membrane method is simple in equipment and strong in operability; moreover, by utilizing the separation characteristics of the membranes in the first multistage acid-resistant nanofiltration filter element and the second multistage acid-resistant nanofiltration filter element, the specific content of copper and acid in the electrolyte can be accurately controlled, the electrolysis efficiency is improved, and the quality of the copper foil is improved; by utilizing the membrane concentration process, the electrolyte is fully utilized, the addition amount of copper and acid is reduced, and the production cost of the copper foil is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a work flow chart of a treatment system for adjusting the ketonic acid ratio of copper electrolysis electrolyte by using a membrane method according to an embodiment of the present invention.
Icon:
101-a copper dissolving tank; 102-a microfiltration filter; 103-bag filter; 104-a heat exchanger; 105-a filter; 106-a first multi-stage acid-resistant nanofiltration filter; 107-first electrolyte buffer reservoir; 108-an electrolytic cell; 109-a second electrolyte buffer pool; 110-a second multi-stage acid-resistant nanofiltration filter.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.
Referring to fig. 1, an embodiment of the present invention provides a processing system for adjusting a ketonic acid ratio of a copper electrolysis electrolyte by a membrane method, including a copper dissolving tank 101, a first filtering assembly, a first multi-stage acid-resistant nanofiltration filter 106, an electrolytic bath 108, and a second multi-stage acid-resistant nanofiltration filter 110; the copper dissolving tank 101, the first filtering component, the first multi-stage acid-resistant nanofiltration filtering piece 106, the electrolytic bath 108 and the second multi-stage acid-resistant nanofiltration filtering piece 110 are connected in sequence; the water producing ports of the first multistage acid-resistant nanofiltration filter element 106 and the second multistage acid-resistant nanofiltration filter element 110 are connected with the copper dissolving tank 101, and the concentrated water outlets of the first multistage acid-resistant nanofiltration filter element 106 and the second multistage acid-resistant nanofiltration filter element 110 are both connected with the electrolytic bath 108.
Specifically, the treatment system for regulating the ketonic acid ratio of the copper electrolysis electrolyte by the membrane method is simple in equipment and strong in operability; moreover, by utilizing the separation characteristics of the membranes in the first multistage acid-resistant nanofiltration filter element 106 and the second multistage acid-resistant nanofiltration filter element 110, the specific content of copper and acid in the electrolyte can be accurately controlled, the electrolysis efficiency is improved, and the quality of the copper foil is improved; by utilizing the membrane concentration process, the electrolyte is fully utilized, the addition amount of copper and acid is reduced, and the production cost of the copper foil is reduced.
Wherein, the water production mouth of first multistage acid-proof nanofiltration filtration piece 106 and second multistage acid-proof nanofiltration filtration piece 110 both is connected with dissolving copper jar 101, and the poor copper acid hydrolysis liquid that separates through first multistage acid-proof nanofiltration filtration piece 106 and second multistage acid-proof nanofiltration filtration piece 110 both can return to dissolving in copper jar 101, reduces extravagantly.
Referring to fig. 1, in an alternative of this embodiment, the first filter assembly includes a microfiltration filter 102, and an inlet of the microfiltration filter 102 is connected to an outlet of the copper dissolving tank 101.
Referring to fig. 1, in an alternative of this embodiment, the first filter assembly further comprises a bag filter 103, and the inlet of the bag filter 103 is connected to the outlet of the microfiltration filter 102.
Referring to fig. 1, in an alternative of this embodiment, the treatment system for regulating the ketonic acid ratio of the copper electrolysis solution by using the membrane method further comprises a heat exchanger 104, and the outlet of the bag filter 103 is connected with the inlet of the heat exchanger 104.
Referring to fig. 1, in an alternative of this embodiment, the treatment system for regulating the ketonic acid ratio of the copper electrolysis solution by using the membrane method further comprises a filter 105 for filtering soluble impurities in the copper electrolysis solution, and an inlet of the filter 105 is connected with an outlet of the heat exchanger 104.
Referring to fig. 1, in an alternative embodiment, the filter medium of the filter 105 is one or more of diatomite, activated carbon, and walnut shells.
The filter medium in the filter 105 may be diatomite, activated carbon or walnut shells. In addition, the filter medium in the filter 105 may adopt various combinations of diatomite, activated carbon or walnut shells, and a person skilled in the art may select the type of the filter medium in the filter 105 according to actual needs, which will not be described herein again.
Referring to fig. 1, in an alternative embodiment, the first multistage acid-resistant nanofiltration filter 106 comprises a low-interception nanofiltration membrane and a high-interception nanofiltration membrane; the inlet of the first multistage acid-resistant nanofiltration filter member 106 is connected to the outlet of the filter 105.
Specifically, a low interception rate nanofiltration membrane and a high interception rate nanofiltration membrane are arranged in the first multistage acid-resistant nanofiltration filter element 106, the low interception rate nanofiltration membrane and the high interception rate nanofiltration membrane can be used in combination, and the specific combination mode of the low interception rate nanofiltration membrane and the high interception rate nanofiltration membrane can be matched by a person skilled in the art according to actual needs.
Referring to fig. 1, in an alternative of this embodiment, the treatment system for adjusting the ketonic acid ratio of the copper electrolysis electrolyte by using the membrane method further includes a first electrolyte buffer tank 107, and an inlet of the first electrolyte buffer tank 107 is connected to the first multistage acid-resistant nanofiltration filter member 106.
Specifically, through the arrangement of the first electrolyte buffer tank 107, the qualified copper electrolyte discharged from the first multistage acid-resistant nanofiltration filter element 106 can be temporarily stored, and then discharged into the electrolytic cell 108 for production.
Referring to fig. 1, in an alternative of this embodiment, the treatment system for adjusting the ketonic acid ratio of the copper electrolysis electrolyte by using the membrane method further comprises a second electrolyte buffer tank 109, and an inlet of the second electrolyte buffer tank 109 is connected with the electrolytic cell 108.
Specifically, with the setting of second electrolyte buffer tank 109, can keep in the copper electrolyte solution after the use of electrolysis trough 108 discharge, then will use the copper electrolyte solution after the use to discharge into second multistage acid-proof nanofiltration filter 110 in.
Referring to fig. 1, in an alternative embodiment, the second multistage acid-resistant nanofiltration filter 110 comprises a low-interception nanofiltration membrane and a high-interception nanofiltration membrane; the inlet of the second multi-stage acid-resistant nanofiltration filter element 110 is connected with the second electrolyte buffer tank 109.
Specifically, a low interception rate nanofiltration membrane and a high interception rate nanofiltration membrane are arranged in the second multistage acid-resistant nanofiltration filtration member 110, the low interception rate nanofiltration membrane and the high interception rate nanofiltration membrane can be used in combination, and technicians in the field can automatically match the specific combination mode of the low interception rate nanofiltration membrane and the high interception rate nanofiltration membrane according to actual needs.
Specifically, the working steps of the treatment system for adjusting the ketonic acid ratio of the copper electrolysis electrolyte by using the membrane method provided by this embodiment are as follows:
pumping the copper-dissolved liquid into a microfiltration filter 102 from the copper-dissolving irrigation, then removing suspended matters in the copper-dissolved liquid through microfiltration pretreatment, then transmitting the pretreated copper-dissolved liquid to a bag filter 103, further removing the suspended matters through flocculation of the bag filter 103, then transmitting the copper-dissolved liquid into a heat exchanger 104, and reducing the temperature from 60 ℃ to 25-30 ℃ through the heat exchanger 104.
Then the copper-dissolved solution is discharged from the heat exchanger 104 and enters a pH adjusting system, the pH of the copper-dissolved solution is adjusted to 6.5-7 by sulfuric acid, and then the copper-dissolved solution enters a filter 105, and soluble impurities in the copper-dissolved solution are adsorbed by the filter 105.
The effluent of the filter 105 can enter a first multistage acid-resistant nanofiltration filter element 106, and by utilizing the separation characteristic of the nanofiltration membrane, the mechanism that copper is intercepted and can pass through acid is utilized, and finally, the proper copper-acid ratio is achieved.
The concentrated water outlet of the first multi-stage nanofiltration filter element discharges copper-rich acidolysis solution, namely qualified copper electrolysis solution, the qualified copper electrolysis solution enters the electrolytic bath 108 to be electrolyzed to produce copper foil, the water outlet of the first multi-stage nanofiltration filter element is copper-poor acidolysis solution, and the copper-poor acidolysis solution flows back into the copper dissolving tank 101 to be used for the copper acidolysis process;
after the copper electrolyte passes through the electrolytic bath 108, the copper ion content is reduced to become unqualified copper electrolyte, the unqualified copper electrolyte enters the second multistage acid-resistant nanofiltration filtration part 110, the mechanism of intercepting copper and permeating acid is utilized by the separation characteristic of the nanofiltration membrane, and finally the proper copper-acid ratio is achieved, so that the concentrated water entering the second multistage acid-resistant nanofiltration filtration part 110 is discharged to form copper-rich acidolysis solution, namely qualified copper electrolyte, the qualified copper electrolyte flows back to enter the electrolytic bath 108 for electrolysis, the water outlet of the second multistage nanofiltration filtration part is copper-poor acidolysis solution, and the copper-poor acidolysis solution flows back to the copper dissolution tank 101 for the copper acidolysis process.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (8)
1. A processing system for adjusting ketonic acid ratio of copper electrolysis solution by membrane method is characterized by comprising: the device comprises a copper dissolving tank (101), a first filtering component, a first multi-stage acid-resistant nanofiltration filtering piece (106), an electrolytic bath (108) and a second multi-stage acid-resistant nanofiltration filtering piece (110);
the copper dissolving tank (101), the first filtering assembly, the first multi-stage acid-resistant nanofiltration filtering element (106), the electrolytic bath (108) and the second multi-stage acid-resistant nanofiltration filtering element (110) are connected in sequence;
still include first electrolyte buffer memory pond (107), first multistage acid-resistant receiving nanofiltration filter piece (106) with the second multistage acid-resistant receiving nanofiltration filter piece (110) both produce the mouth of a river with dissolve copper jar (101) and connect, first multistage acid-resistant receiving nanofiltration filter piece (106) with the second multistage acid-resistant receiving nanofiltration filter piece (110) both's dense water export all with first electrolyte buffer memory pond (107) are connected, the export of first electrolyte buffer memory pond (107) with electrolysis trough (108) are connected.
2. A treatment system for regulating the ketonic acid ratio of a copper electrolysis electrolyte by membrane method according to claim 1, wherein the first filtering component comprises a micro-filtration filter (102), and the inlet of the micro-filtration filter (102) is connected with the outlet of the copper dissolving tank (101).
3. A treatment system for regulating the ketonic acid ratio of a copper electrolysis electrolyte by membrane process according to claim 2, wherein the first filtration module further comprises a bag filter (103), the inlet of the bag filter (103) being connected to the outlet of the microfiltration filter (102).
4. A treatment system for regulating the ketonic acid ratio of a copper electrolysis solution by a membrane method according to claim 3, further comprising a heat exchanger (104), wherein the outlet of the bag filter (103) is connected with the inlet of the heat exchanger (104).
5. The treatment system for regulating the ketoacid ratio of copper electrolysis solution by membrane method according to claim 4, further comprising a filter (105) for filtering soluble impurities in the copper electrolysis solution, wherein the inlet of the filter (105) is connected with the outlet of the heat exchanger (104).
6. The membrane process conditioning copper electrolysis electrolyte ketoacid ratio treatment system according to claim 5, wherein the first multistage acid-resistant nanofiltration filter (106) comprises a low interception nanofiltration membrane and a high interception nanofiltration membrane;
the inlet of the first multistage acid-resistant nanofiltration filter (106) is connected to the outlet of the filter (105).
7. A treatment system for regulating the ketonic acid ratio of copper electrolysis electrolyte by membrane method according to claim 6, further comprising a second electrolyte buffer tank (109), wherein the inlet of the second electrolyte buffer tank (109) is connected with the electrolytic bath (108).
8. The membrane process conditioning copper electrolysis electrolyte ketoacid ratio treatment system according to claim 7, wherein the second multi-stage acid-resistant nanofiltration filter (110) comprises a low interception nanofiltration membrane and a high interception nanofiltration membrane;
and the inlet of the second multi-stage acid-resistant nanofiltration filter element (110) is connected with the second electrolyte buffer pool (109).
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Treatment System for Adjusting the Ketone Acid Ratio of Copper Electrolyte by Membrane Method Effective date of registration: 20231108 Granted publication date: 20220920 Pledgee: Guotou Taikang Trust Co.,Ltd. Pledgor: SUNUP ENVIRONMENTAL TECHNOLOGY CO.,LTD. Registration number: Y2023980064441 |
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