CN109267066A - A kind of alkaline etching waste liquid for producing printed circuit board circular regeneration and recycling copper system system - Google Patents
A kind of alkaline etching waste liquid for producing printed circuit board circular regeneration and recycling copper system system Download PDFInfo
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- CN109267066A CN109267066A CN201811177255.XA CN201811177255A CN109267066A CN 109267066 A CN109267066 A CN 109267066A CN 201811177255 A CN201811177255 A CN 201811177255A CN 109267066 A CN109267066 A CN 109267066A
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- etching
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- etching solution
- etching waste
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/08—Apparatus, e.g. for photomechanical printing surfaces
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B15/00—Obtaining copper
- C22B15/0063—Hydrometallurgy
- C22B15/0084—Treating solutions
- C22B15/0086—Treating solutions by physical methods
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/006—Wet processes
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/46—Regeneration of etching compositions
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C1/00—Electrolytic production, recovery or refining of metals by electrolysis of solutions
- C25C1/12—Electrolytic production, recovery or refining of metals by electrolysis of solutions of copper
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
- C25C7/02—Electrodes; Connections thereof
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Electrochemistry (AREA)
- Manufacturing & Machinery (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- ing And Chemical Polishing (AREA)
- Manufacturing Of Printed Circuit Boards (AREA)
Abstract
The invention discloses a kind of alkaline etching waste liquid for producing printed circuit board circular regeneration and recycling copper system systems, including etching machine, etching solution extraction equipment, back extraction device, electrolysis unit, wash copper device, etching solution regenerator, oxygen generating device and blower, the etching machine has been respectively communicated with etching waste liquor collecting tank by conduit and sub- liquid adds tank, the etching waste liquor collecting tank is connected to by conduit with etching solution extraction equipment, the filter device is communicated with etching waste liquor settler by conduit, the etching waste liquor settler is connected to by conduit with back extraction device, the back extraction device is connected to by conduit with electrolysis unit, the electrolysis unit is connected to by conduit with copper device is washed, the electrolysis unit is connected to by tail water liquid-in pipe with etching solution regenerator.The present invention can save etching agent and emission reduction danger waste water up to 1/5th or more, while reasonably solve the problems, such as that hazardous waste is dealt carefully with, and be really achieved resource-conserving and environmentally friendly effect.
Description
Technical field
The present invention relates to Environmental Protection For Electronic equipment technical field, specially a kind of alkaline etching waste liquid for producing printed circuit board circulation is again
Raw and recycling copper system system.
Background technique
With being increasing for PCB enterprise, while the dynamics of Environmental protection is increasing, more and more PCB
Enterprise takes up clean manufacturing.However the processing of the alkaline etching waste liquid for producing generated in PCB production, it is always the entire industry of puzzlement
Chronic illness, traditional processing mode is all the big plastic tank of enterprise, and etching waste liquor is simply collected and is stored, is turned on time
It moves to qualified enviromental protection enterprise.Among these there is collect, the leakage of transit link, etching solution can not regeneration, cause
The very big wasting of resources.No small loss and harm are caused to enterprise and environment, so design here produces a kind of printing electricity
Road plate alkaline etching waste liquid for producing circular regeneration and recycling copper system system, provide reliable and good material for enterprise's production, are simultaneously
Enterprise clean production provides good solution.
Summary of the invention
The purpose of the present invention is to provide a kind of alkaline etching waste liquid for producing printed circuit board circular regenerations and recycling copper system to unite, with
It solves to propose how to save etching agent and emission reduction danger waste water in above-mentioned background technique, and how reasonably to solve danger
The problem of waste (alkaline etching waste liquid for producing) is dealt carefully with is really achieved asking for resource-conserving and environmentally friendly effect
Topic.
In order to solve the above technical problems, the invention provides the following technical scheme: a kind of alkaline etching waste liquid for producing printed circuit board
Circular regeneration and recycling copper system system, including etching machine, etching solution extraction equipment, back extraction device, electrolysis unit, wash copper device, erosion
It carves liquid regenerator, oxygen generating device and blower, the etching machine and etching waste liquor collecting tank and son has been respectively communicated with by conduit
Liquid adds tank, and the etching waste liquor collecting tank is connected to by conduit with etching solution extraction equipment, the etching solution extraction equipment packet
A mixing bowl is included, a mixing bowl is communicated with first-level buffer stream device by conduit, and the first-level buffer stream device passes through conduit
It is communicated with level 2 buffering stream device, the level 2 buffering stream device is communicated with three-level buffer stream device, the three-level by conduit
Buffer stream device is connected with filter device by conduit, and the filter device is communicated with etching waste liquor settler by conduit,
The etching waste liquor settler is connected to by conduit with back extraction device, and the back extraction device is connected by conduit and electrolysis unit
Logical, the electrolysis unit includes electrolytic cell, and the electrolysis unit is connected to by conduit with copper device is washed, and the electrolysis unit is logical
It crosses tail water liquid-in pipe to be connected to etching solution regenerator, the oxygen outlet of the oxygen generating device is gone out by gas-guide tube and blower
Air port connection, and gas-guide tube extends to the inner cavity of etching solution regenerator, the left side bottom end of the etching solution regenerator is communicated with again
Raw sub- liquid efferent duct, the sub- liquid efferent duct of regeneration are connected to sub- liquid addition tank.
Preferably, the sub- liquid addition tank is connected to by conduit with etching machine rear end bottom, the etching waste liquor collecting tank
It is connected to by conduit with the front end of etching machine.
Preferably, the inner cavity front and rear sides of the electrolytic cell are respectively equipped with anode electrolysis piece and catholyte piece.
Preferably, the anode electrolysis piece is lead antimony anode electrolysis piece, and the catholyte piece is copper sheet catholyte piece.
Preferably, the top end face of the etching solution regenerator is equipped with driving motor, and the driving motor is turned by line shaft
It is dynamic to run through etching solution regenerator inner cavity, and it is fixedly connected with agitating shaft.
Preferably, the mouth that is used as medicine is equipped on the right side of the top end face of the etching solution regenerator.
Preferably, the right end sidewalls vertical direction of the etching solution regenerator is equipped with graduation mark.
Compared with prior art, the beneficial effects of the present invention are:
1. the present invention, by setting printed circuit board alkaline etching liquid electrolysis cycle regenerative system by the way that systematization is unique
Meter can save etching agent and emission reduction danger waste water up to 1/5th or more, while utilize the alkalinity erosion of etching solution regenerator
Waste liquid circulation regeneration is carved, realizes that resources circulation uses, while reasonably solving hazardous waste (alkaline etching waste liquid for producing) and properly locating
The problem of reason, has been really achieved resource-conserving and environmentally friendly effect.
2. it is of the invention, it is acted in anode and cathode by using low-voltage, high current, forces the copper ion in etching solution
Quickly toward shifting on cathode, copper sheet is formed to be attached on cathode, realizes being recycled for copper.
Detailed description of the invention
Fig. 1 is the work flow diagram of the embodiment of the present invention；
Fig. 2 is that the etching machine, etching waste liquor collecting tank and sub- liquid of the embodiment of the present invention add tank distribution connection figure；
Fig. 3 is the electrolysis unit structure top view of the embodiment of the present invention；
Fig. 4 is the etching solution regenerator configuration main view of the embodiment of the present invention.
In figure: 1, etching solution regenerator；2, blower；3, oxygen generating device；4, etching solution extraction equipment；5, a mixing bowl；
6, first-level buffer stream device；7, level 2 buffering stream device；8, three-level buffer stream device；9, filter device；10, etching waste liquor precipitates
Device；11, back extraction device；12, electrolysis unit；13, copper device is washed；14, etching waste liquor collecting tank；15, etching machine；16, sub- liquid
Add tank；17, catholyte piece；18, electrolytic cell；19, anode electrolysis piece；20, tail water liquid-in pipe；21, driving motor；22, enter
Medicine mouth；23, graduation mark；24, agitating shaft；25, sub- liquid efferent duct is regenerated.
Specific embodiment
In order to save etching agent and emission reduction danger waste water up to 1/5th or more, while reasonably solving danger
The problem of waste (alkaline etching waste liquid for producing) is dealt carefully with has been really achieved resource-conserving and environmentally friendly effect, this
Inventive embodiments provide a kind of alkaline etching waste liquid for producing printed circuit board circular regeneration and recycling copper system system.Below in conjunction with this hair
Attached drawing in bright embodiment, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described
Embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field
Those of ordinary skill's every other embodiment obtained without making creative work, belongs to protection of the present invention
Range.
Embodiment 1
Fig. 1-4 is please referred to, a kind of alkaline etching waste liquid for producing printed circuit board circular regeneration and recycling copper are present embodiments provided
System, including etching machine 15, etching solution extraction equipment 4, back extraction device 11, electrolysis unit 12, wash copper device 13, etching solution regeneration
Device 1, oxygen generating device 3 and blower 2, etching machine 15 has been respectively communicated with etching waste liquor collecting tank 14 by conduit and sub- liquid adds
Tank 16, etching waste liquor collecting tank 14 are connected to by conduit with etching solution extraction equipment 4, and etching solution extraction equipment 4 includes stirring
Cylinder 5, a mixing bowl 5 are communicated with first-level buffer stream device 6 by conduit, and first-level buffer stream device 6 is communicated with second level by conduit and delays
Swash of wave device 7, level 2 buffering stream device 7 are communicated with three-level buffer stream device 8 by conduit, and three-level buffer stream device 8 is by leading
Pipe is connected with filter device 9, and filter device 9 is communicated with etching waste liquor settler 10, etching waste liquor settler by conduit
10 are connected to by conduit with back extraction device 11, and back extraction device 11 is connected to by conduit with electrolysis unit 12, and electrolysis unit 12 includes
There is electrolytic cell 18, electrolysis unit 12 is connected to by conduit with copper device 13 is washed, and electrolysis unit 12 passes through tail water liquid-in pipe 20 and erosion
It carves liquid regenerator 1 to be connected to, the oxygen outlet of oxygen generating device 3 is connected to by gas-guide tube with the air outlet of blower 2, and gas-guide tube
The inner cavity of etching solution regenerator 1 is extended to, the left side bottom end of etching solution regenerator 1 is communicated with the sub- liquid efferent duct 25 of regeneration, regeneration
Sub- liquid efferent duct 25 is connected to sub- liquid addition tank 16.
In the present embodiment, the sub- liquid in sub- liquid addition tank 16 is added to 15 tail portion of etching machine by conduit, works as etching
When the liquid level of liquid is higher than highest liquid level, at this moment the etching solution of maximum concentration will be arranged from the conduit for being located at 15 front end of etching machine
Out, to be pooled to 14 inner cavity of etching waste liquor collecting tank, by being so transformed after 15 emission reduction effect of etching machine be obviously improved
1/5th or more, spent etching solution squeezes into etching solution extraction equipment 4 after overregulating, and is stirred using a mixing bowl 5, design
The three-levels flow slowing devices such as first-level buffer stream device 6, level 2 buffering stream device 7 and three-level buffer stream device 8 are filled using filtering
It sets 9 to be filtered, so that perfect realize the lossless separation of copper ion carried out by solvent, be existed after extraction by flow control
1800-2400L/H enters etching waste liquor settler 10, and subsequently into back extraction device 11, etching solution extracted is by reflux
Pipeline is reached electrolysis unit 12, is electrolysed using electrolysis unit 12, and the copper sheet being electrolysed is recycled by washing copper device 13,
Etching solution after electrolysis reaches etching solution regenerator 1 and is regenerated, and is not merely to add ammonia and ammonium chloride in regenerative process, I
Oxygen is also carried out by the method for physics, oxygen is generated by oxygen generating device 3, by blower 2 by oxygen by leading
Tracheae blows into 1 inner cavity of etching solution regenerator, so that the activity for improving sub- liquid, which reaches, is combined rapidly regeneration with 15 tank liquor of etching machine.
Embodiment 2
Please refer to Fig. 1-4, be further improved on the basis of embodiment 1: sub- liquid addition tank 16 passes through conduit and erosion
Quarter 15 rear end bottom connection of machine, etching waste liquor collecting tank 14 are connected to by conduit with the front end of etching machine 15, special sub- liquid
Point of addition and spent etching solution discharge outlet position it is ingenious, to achieve the purpose that save sub- liquid and reduce discharging of waste liquid, electrolytic cell
18 inner cavity front and rear sides are respectively equipped with anode electrolysis piece 19 and catholyte piece 17, and anode electrolysis piece 19 is lead antimony anode electrolysis
Piece, electrolytic process use lead antimony anode electrolysis piece (lead 96%, antimony 4%), largely reduce etching solution and regenerate back
The cost of copper is received, catholyte piece 17 is copper sheet catholyte piece, it is acted in anode and cathode using low-voltage, high current,
The copper ion in etching solution is forced quickly toward shifting on cathode, to form copper sheet to be attached on cathode, etching solution regenerator 1
Top end face is equipped with driving motor 21, and driving motor 21 runs through 1 inner cavity of etching solution regenerator by line shaft rotation, and is fixedly connected
There is agitating shaft 24, drives agitating shaft 24 to rotate by driving motor 21, play the role of stirring, the right end of etching solution regenerator 1
Sidewalls vertical direction is equipped with graduation mark 23, and graduation mark 23 is used as reference line.
Wherein, it is equipped with the mouth 22 that is used as medicine on the right side of the top end face of etching solution regenerator 1, by being used as medicine, mouth 22 adds chemicals,
Etching solution regenerator 1 also uses the side of physics other than system tail water parameter is adjusted to etching solution standard parameter with chemicals
Formula carries out redox to etching solution and has not only used chemicals less here to accelerate the regeneration of etching solution, also enhances erosion
Carve the regeneration effect of liquid.
In description of the invention, it should be noted that the orientation of the instructions such as term "vertical", "upper", "lower", "horizontal" or
Person's positional relationship is orientation based on the figure or positional relationship, is merely for convenience of description of the present invention and simplification of the description,
Rather than the device or element of instruction or hint meaning must have a particular orientation, and are constructed and grasped with specific orientation
Make, therefore is not considered as limiting the invention.In addition, " first ", " second ", " third ", " the 4th " are only used for description mesh
, and should not be understood as indicating or implying relative importance.
In description of the invention, it is also necessary to explanation, unless otherwise specific regulation and limitation, term " setting ", " peace
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection, can be mechanical connection, is also possible to be electrically connected, can be and be directly connected to, and be also possible to be connected by intermediary, can
To be the connection inside two elements.For the ordinary skill in the art, can understand as the case may be above-mentioned
The concrete meaning of term in the present invention.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of alkaline etching waste liquid for producing printed circuit board circular regeneration and recycling copper system system, including etching machine (15), etching solution extraction
It takes device (4), back extraction device (11), electrolysis unit (12), wash copper device (13), etching solution regenerator (1), oxygen generating device
(3) and blower (2), it is characterised in that: the etching machine (15) by conduit be respectively communicated with etching waste liquor collecting tank (14) and
Sub- liquid adds tank (16), and the etching waste liquor collecting tank (14) is connected to by conduit with etching solution extraction equipment (4), the etching
Liquid extraction equipment (4) includes a mixing bowl (5), and a mixing bowl (5) is communicated with first-level buffer stream device (6), institute by conduit
It states first-level buffer stream device (6) and level 2 buffering stream device (7) is communicated with by conduit, the level 2 buffering stream device (7) passes through
Conduit is communicated with three-level buffer stream device (8), and the three-level buffer stream device (8) is connected with filter device (9), institute by conduit
It states filter device (9) to be communicated with etching waste liquor settler (10) by conduit, the etching waste liquor settler (10) passes through
Conduit is connected to back extraction device (11), and the back extraction device (11) is connected to by conduit with electrolysis unit (12), the electrolysis dress
Setting (12) includes electrolytic cell (18), and the electrolysis unit (12) is connected to by conduit with copper device (13) is washed, the electrolysis dress
It sets (12) to be connected to by tail water liquid-in pipe (20) with etching solution regenerator (1), the oxygen outlet of the oxygen generating device (3) is logical
It crosses gas-guide tube to be connected to the air outlet of blower (2), and gas-guide tube extends to the inner cavity of etching solution regenerator (1), the etching solution
The left side bottom end of regenerator (1) is communicated with the sub- liquid efferent duct (25) of regeneration, and the sub- liquid efferent duct (25) of regeneration and sub- liquid add
Tank (16) connection.
2. a kind of alkaline etching waste liquid for producing printed circuit board circular regeneration according to claim 1 and recycling copper system system, special
Sign is: sub- liquid addition tank (16) is connected to by conduit with etching machine (15) rear end bottom, the etching waste liquor collecting tank
(14) it is connected to by conduit with the front end of etching machine (15).
3. a kind of alkaline etching waste liquid for producing printed circuit board circular regeneration according to claim 1 and recycling copper system system, special
Sign is: the inner cavity front and rear sides of the electrolytic cell (18) are respectively equipped with anode electrolysis piece (19) and catholyte piece (17).
4. a kind of alkaline etching waste liquid for producing printed circuit board circular regeneration according to claim 3 and recycling copper system system, special
Sign is: the anode electrolysis piece (19) is lead antimony anode electrolysis piece, and the catholyte piece (17) is copper sheet catholyte piece.
5. a kind of alkaline etching waste liquid for producing printed circuit board circular regeneration according to claim 1 and recycling copper system system, special
Sign is: the top end face of the etching solution regenerator (1) is equipped with driving motor (21), and the driving motor (21) passes through line shaft
Rotation runs through etching solution regenerator (1) inner cavity, and is fixedly connected with agitating shaft (24).
6. a kind of alkaline etching waste liquid for producing printed circuit board circular regeneration according to claim 1 and recycling copper system system, special
Sign is: being equipped on the right side of the top end face of the etching solution regenerator (1) and is used as medicine mouth (22).
7. a kind of alkaline etching waste liquid for producing printed circuit board circular regeneration according to claim 1 and recycling copper system system, special
Sign is: the right end sidewalls vertical direction of the etching solution regenerator (1) is equipped with graduation mark (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811177255.XA CN109267066A (en) | 2018-10-10 | 2018-10-10 | A kind of alkaline etching waste liquid for producing printed circuit board circular regeneration and recycling copper system system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811177255.XA CN109267066A (en) | 2018-10-10 | 2018-10-10 | A kind of alkaline etching waste liquid for producing printed circuit board circular regeneration and recycling copper system system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109267066A true CN109267066A (en) | 2019-01-25 |
Family
ID=65196815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811177255.XA Pending CN109267066A (en) | 2018-10-10 | 2018-10-10 | A kind of alkaline etching waste liquid for producing printed circuit board circular regeneration and recycling copper system system |
Country Status (1)
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| CN (1) | CN109267066A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109881200A (en) * | 2019-04-10 | 2019-06-14 | 深圳市铿东科技有限公司 | A kind of regenerating alkaline etching liquid and its copper recovery method |
| CN115928078A (en) * | 2022-12-12 | 2023-04-07 | 深圳晶恒宇环境科技有限公司 | Etching waste liquid cyclic regeneration and cuprous chloride, copper recovery system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11140672A (en) * | 1997-11-10 | 1999-05-25 | Mec Kk | Method of regenerating waste liquid of copper etching solution |
| CN203999825U (en) * | 2014-07-29 | 2014-12-10 | 深圳市新锐思环保科技有限公司 | The device that regenerating alkaline etching liquid circulation and copper reclaim |
| CN204151415U (en) * | 2014-09-28 | 2015-02-11 | 江苏地一环保科技有限公司 | A kind of regenerating alkaline etching liquid circulating production line |
| CN105776312A (en) * | 2016-02-25 | 2016-07-20 | 渤海大学 | Recovery method for invalid alkaline copper-containing etching liquid |
-
2018
- 2018-10-10 CN CN201811177255.XA patent/CN109267066A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11140672A (en) * | 1997-11-10 | 1999-05-25 | Mec Kk | Method of regenerating waste liquid of copper etching solution |
| CN203999825U (en) * | 2014-07-29 | 2014-12-10 | 深圳市新锐思环保科技有限公司 | The device that regenerating alkaline etching liquid circulation and copper reclaim |
| CN204151415U (en) * | 2014-09-28 | 2015-02-11 | 江苏地一环保科技有限公司 | A kind of regenerating alkaline etching liquid circulating production line |
| CN105776312A (en) * | 2016-02-25 | 2016-07-20 | 渤海大学 | Recovery method for invalid alkaline copper-containing etching liquid |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109881200A (en) * | 2019-04-10 | 2019-06-14 | 深圳市铿东科技有限公司 | A kind of regenerating alkaline etching liquid and its copper recovery method |
| CN109881200B (en) * | 2019-04-10 | 2021-05-11 | 深圳市铿东科技有限公司 | Regeneration of alkaline etching solution and copper recovery method thereof |
| CN115928078A (en) * | 2022-12-12 | 2023-04-07 | 深圳晶恒宇环境科技有限公司 | Etching waste liquid cyclic regeneration and cuprous chloride, copper recovery system |
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