CN107099802A - A kind of novel acid etching solution resource recycling method and recycling system - Google Patents
A kind of novel acid etching solution resource recycling method and recycling system Download PDFInfo
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- CN107099802A CN107099802A CN201710456226.6A CN201710456226A CN107099802A CN 107099802 A CN107099802 A CN 107099802A CN 201710456226 A CN201710456226 A CN 201710456226A CN 107099802 A CN107099802 A CN 107099802A
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- copper
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- etching
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- 238000005530 etching Methods 0.000 title claims abstract description 71
- 238000004064 recycling Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000002253 acid Substances 0.000 title claims abstract description 17
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims abstract description 59
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 52
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 47
- 229910052802 copper Inorganic materials 0.000 claims abstract description 47
- 239000010949 copper Substances 0.000 claims abstract description 47
- 238000000502 dialysis Methods 0.000 claims abstract description 46
- 238000009792 diffusion process Methods 0.000 claims abstract description 39
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 claims abstract description 37
- 229910000366 copper(II) sulfate Inorganic materials 0.000 claims abstract description 33
- 239000007788 liquid Substances 0.000 claims abstract description 32
- 230000002378 acidificating effect Effects 0.000 claims abstract description 27
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000002425 crystallisation Methods 0.000 claims abstract description 26
- 230000008025 crystallization Effects 0.000 claims abstract description 26
- 150000004965 peroxy acids Chemical class 0.000 claims abstract description 24
- 238000001953 recrystallisation Methods 0.000 claims abstract description 24
- 239000012043 crude product Substances 0.000 claims abstract description 22
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- 238000000926 separation method Methods 0.000 claims abstract description 7
- 239000000243 solution Substances 0.000 claims description 88
- 239000011259 mixed solution Substances 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 239000002699 waste material Substances 0.000 claims description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 5
- 239000005864 Sulphur Substances 0.000 claims description 5
- 150000003839 salts Chemical class 0.000 claims description 5
- 238000000746 purification Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000008014 freezing Effects 0.000 claims description 3
- 238000007710 freezing Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- FWFGVMYFCODZRD-UHFFFAOYSA-N oxidanium;hydrogen sulfate Chemical compound O.OS(O)(=O)=O FWFGVMYFCODZRD-UHFFFAOYSA-N 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 11
- 239000000460 chlorine Substances 0.000 abstract description 7
- 229910052801 chlorine Inorganic materials 0.000 abstract description 7
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 4
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 abstract 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 2
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229910001431 copper ion Inorganic materials 0.000 description 1
- 229910000365 copper sulfate Inorganic materials 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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
- 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
- C22B15/00—Obtaining copper
- C22B15/0063—Hydrometallurgy
- C22B15/0084—Treating solutions
- C22B15/0089—Treating solutions by chemical 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- ing And Chemical Polishing (AREA)
Abstract
The present invention discloses a kind of novel acid etching solution resource recycling method and recycling system, by acidic etching liquid after collection, into reactive tank, add and peracid copper-containing solution is formed after sulfuric acid reaction, enter back into diffusion dialysis groove, concentrated hydrochloric acid and copper sulphate and a small amount of copper chloride solution are separated to obtain in diffusion dialysis groove, hydrochloric acid returns to etching producing line after collection and utilized, copper sulphate and the chilled Crystallization Separation of a small amount of copper chloride solution obtain cupric sulfate pentahydrate crude product and copper chloride solution, cupric sulfate pentahydrate crude product again through recrystallization purify high-quality cupric sulfate pentahydrate.The quality of obtained cupric sulfate pentahydrate is high, with more preferable economic benefit；Chlorine is not produced during recycling, environment protecting is good, with preferable environmental benefit.Obtained cupric sulfate pentahydrate can take away a part of moisture content, and liquor capacity expansion is small.This method energy consumption is low, and operation cost is low, and technique is simple to operation.
Description
Technical field
The present invention relates to acidic etching liquid resource regeneration field, more particularly to a kind of novel acid etching solution resource is returned
Receive Application way and recycling system.
Background technology
In the electronics industry, the manufacture of printed circuit board not only consumes substantial amounts of water and energy, and produce to environment and
The harmful chemical substance of human health.In wiring board manufacturing process, copper chloride and hydrochloric acid mixed solution etch copper plate shape need to be utilized
Into conducting wire, with the progress of etching, copper ion concentration is constantly raised in solution, so that need to carry out discharge forms acid etching
Waste liquid.The main component of acidic etching waste liquid is copper chloride, hydrogen chloride, sodium chloride etc., and severe contamination environment influences micro- life in water
The existence of thing, destroys soil granular structure, influence crops existence.Scientific research personnel is being directed to economic, efficient acidity always
The exploitation and popularization of etching waste liquor recovery and utilization technology.
Existing acidic etching liquid recycling utilization technique is mainly membrane electrolysis, reclaims metallic copper therein and generation can
The chlorine of oxidant is substituted, but the utilization rate of chlorine is relatively low, and economic value is not obvious.Also there are organic solvent extractionprocess, but strong acid
Property under the conditions of organic solvent effect of extracting difference and service life is short, greatly restrict its commercial Application.
The content of the invention
The main object of the present invention is to provide a kind of novel acid etching solution resource recycling method and recycles system
System, realizes that pollutant is converted into resource reclaim, environment protecting is good, and cost is low, with good economic benefit and environmental benefit.
The present invention proposes a kind of novel acid etching solution resource recycling method, comprises the following steps：
1) pending acidic etching waste liquid is collected into etching solution collecting tank；
2) acidic etching liquid in etching solution collecting tank is added into reactive tank, adds sulfuric acid, peracid is formed after reaction and is contained
Copper solution,
3) peracid copper-containing solution is put into diffusion dialysis groove, with diffusive dialysis method by peracid cupric in diffusion dialysis groove
Solution is separated, and obtains the mixed solution of high salt concentration acid solution and copper sulphate and a small amount of copper chloride；
4) hydrochloric acid is collected and is back to etching producing line and recycled, by the mixing of copper sulphate and a small amount of copper chloride
The chilled Crystallization Separation of solution obtains cupric sulfate pentahydrate crude product and copper chloride solution；
5) by the cupric sulfate pentahydrate crude product again through recrystallization purify high-quality cupric sulfate pentahydrate.
The present invention proposes a kind of acidic etching liquid resource recycling system again, including for collecting the acid of etching production line
Property etching solution etching solution collecting tank, for add sulfuric acid and acidic etching liquid reaction reactive tank, diffusion dialysis groove, crystallization tank
With recrystallization groove；
The acidic etching liquid output end of the etching solution collecting tank is connected with the entrance of the reactive tank, and the etching solution is received
The acidic etching liquid collected in groove is inputted in the reactive tank, the sulfuric acid reaction formation peracid copper-containing solution with addition；
The peracid copper-containing solution output end of the reactive tank is connected with the entrance of the diffusion dialysis groove, in the reactive tank
The peracid copper-containing solution of formation is inputted in the diffusion dialysis groove, is separated the peracid copper-containing solution through diffusive dialysis method, is obtained
The mixed solution of high salt concentration acid solution and copper sulphate and copper chloride；
First output end of the diffusion dialysis groove is connected with a hydrochloric acid collecting tank, and the diffusion dialysis groove is isolated
The hydrochloric acid solution is exported into the hydrochloric acid collecting tank, and the output end of the hydrochloric acid collecting tank is connected with etching production line；
Copper sulphate that second output end of the diffusion dialysis groove isolates the diffusion dialysis groove and copper chloride it is mixed
Close solution to input in the crystallization tank, freezing and crystallizing separates to obtain cupric sulfate pentahydrate crude product and copper chloride solution；
The recrystallization groove is used to carry out recrystallization purification to the cupric sulfate pentahydrate crude product, obtains five water sulphur of high-quality
Sour copper.
Preferably, in addition to for the copper-containing solution accumulator tank for the mixed solution for storing the copper sulphate and copper chloride, institute
The connection of copper-containing solution accumulator tank is stated between the diffusion dialysis groove and the crystallization tank, the second output of the diffusion dialysis groove
End is connected with the copper-containing solution accumulator tank, and the output end of the copper-containing solution accumulator tank is connected with the crystallization tank, described to expand
The second output end for dissipating dialysis groove inputs the mixed solution of the copper sulphate and copper chloride in the copper-containing solution accumulator tank, institute
Copper-containing solution accumulator tank is stated again to input the mixed solution of the copper sulphate and copper chloride in the crystallization tank.
Preferably, the recrystallization groove is arranged on the lower section of the crystallization tank, the crystalline solid output end of the crystallization tank with
The recrystallization groove connection, by the cupric sulfate pentahydrate crude product input recrystallization groove.
Acidic etching liquid after collection, into reactive tank, is added and peracid copper-containing solution is formed after sulfuric acid reaction by the present invention,
Diffusion dialysis groove is entered back into, concentrated hydrochloric acid and copper sulphate and a small amount of copper chloride solution, hydrochloric acid warp are separated to obtain in diffusion dialysis groove
Return to etching producing line after collection to utilize, copper sulphate and the chilled Crystallization Separation of a small amount of copper chloride solution obtain cupric sulfate pentahydrate crude product
And copper chloride solution, cupric sulfate pentahydrate crude product again through recrystallization purify high-quality cupric sulfate pentahydrate.The present invention has such as
Lower beneficial effect：
1. energy consumption is low, operation cost is low, and technique is simple to operation；
2. made from cupric sulfate pentahydrate can take away a part of moisture content, liquor capacity expansion is small；
3. high-quality cupric sulfate pentahydrate is directly obtained, with more preferable economic benefit；Chlorine, ring are not produced during recycling
Effect is protected good, with preferable environmental benefit；
4. adding sulfuric acid transition, HCl recovery rate is improved, the hydrochloric acid of generation directly returns to etching production line and recycled.
Brief description of the drawings
Fig. 1 is the structured flowchart of the acidic etching liquid resource recycling system of the present invention.
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Reference picture 1, proposes a kind of embodiment of acidic etching liquid resource recycling system of the present invention：
A kind of acidic etching liquid resource recycling system, including etching solution collecting tank, reactive tank, diffusion dialysis groove, knot
Brilliant groove and recrystallization groove.Etching solution collecting tank is used for the acidic etching liquid for collecting etching production line, the acidity of etching solution collecting tank
Etching solution output end is connected with the entrance of reactive tank by woven hose, and installs water pump by the acid etching in etching solution collecting tank
In liquid input reactive tank, sulfuric acid is added in reactive tank, reacts to form peracid copper-containing solution with acidic etching liquid.
The peracid copper-containing solution output end of reactive tank is connected with the entrance of diffusion dialysis groove by woven hose, and installs water pump
The peracid copper-containing solution formed in reactive tank is inputted in diffusion dialysis groove, peracid copper-containing solution is separated through diffusive dialysis method,
Obtain the mixed solution of high salt concentration acid solution and copper sulphate and a small amount of copper chloride.
First output end of diffusion dialysis groove is connected with a hydrochloric acid collecting tank, and is isolated diffusion dialysis groove by water pump
Hydrochloric acid solution export into hydrochloric acid collecting tank, the output end of hydrochloric acid collecting tank is connected with etching production line, and hydrochloric acid is directly returned
Etch-back production line is recycled.
A copper-containing solution accumulator tank is connected between diffusion dialysis groove and crystallization tank, for stored copper sulfate and copper chloride
Mixed solution.Second output end of diffusion dialysis groove is connected with copper-containing solution accumulator tank, the output end of copper-containing solution accumulator tank with
Crystallization tank is connected, and the second output end of diffusion dialysis groove is molten by water pump input cupric by the mixed solution of copper sulphate and copper chloride
In liquid accumulator tank, copper-containing solution accumulator tank again inputs the mixed solution of copper sulphate and copper chloride in crystallization tank.
The mixed solution of copper sulphate and copper chloride freezing and crystallizing in crystallization tank, separates to obtain cupric sulfate pentahydrate crude product and chlorine
Change copper solution.
Recrystallizing groove is used to carry out recrystallization purification to cupric sulfate pentahydrate crude product.Recrystallization groove is arranged under crystallization tank
Side, the crystalline solid output end of crystallization tank is connected with recrystallization groove, by cupric sulfate pentahydrate crude product input recrystallization groove.Five water sulphur
Sour copper crude product carries out recrystallization purification in recrystallization groove, obtains the cupric sulfate pentahydrate of high-quality.Directly obtain the water sulphur of high-quality five
Sour copper, with more preferable economic benefit；Chlorine is not produced during recycling, environment protecting is good, with preferable environmental benefit.
Obtained cupric sulfate pentahydrate can take away a part of moisture content, and liquor capacity expansion is small.The system energy consumption is low, and operation cost is low, technique
It is simple to operation.
The novel acid etching solution resource recycling method of the present invention comprises the following steps：
1) pending acidic etching waste liquid is collected into etching solution collecting tank；
2) acidic etching liquid in etching solution collecting tank is added into reactive tank, adds sulfuric acid, peracid is formed after reaction and is contained
Copper solution,
3) peracid copper-containing solution is put into diffusion dialysis groove, with diffusive dialysis method by peracid cupric in diffusion dialysis groove
Solution is separated, and obtains the mixed solution of high salt concentration acid solution and copper sulphate and a small amount of copper chloride；
4) hydrochloric acid is collected and is back to etching producing line and recycled, by the mixing of copper sulphate and a small amount of copper chloride
The chilled Crystallization Separation of solution obtains cupric sulfate pentahydrate crude product and copper chloride solution；
5) by the cupric sulfate pentahydrate crude product again through recrystallization purify high-quality cupric sulfate pentahydrate.
Acidic etching liquid after collection, into reactive tank, is added and peracid copper-containing solution is formed after sulfuric acid reaction by the present invention,
Diffusion dialysis groove is entered back into, concentrated hydrochloric acid and copper sulphate and a small amount of copper chloride solution, hydrochloric acid warp are separated to obtain in diffusion dialysis groove
Return to etching producing line after collection to utilize, copper sulphate and the chilled Crystallization Separation of a small amount of copper chloride solution obtain cupric sulfate pentahydrate crude product
And copper chloride solution, cupric sulfate pentahydrate crude product again through recrystallization purify high-quality cupric sulfate pentahydrate.Obtained five water sulphur
The quality of sour copper is high, with more preferable economic benefit；Chlorine is not produced during recycling, environment protecting is good, with preferable
Environmental benefit.Obtained cupric sulfate pentahydrate can take away a part of moisture content, and liquor capacity expansion is small.This method energy consumption is low, runs into
This is low, and technique is simple to operation.
The preferred embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure transformation that bright specification and accompanying drawing content are made, or other related technical fields are directly or indirectly used in,
Similarly it is included within the scope of the present invention.
Claims (4)
1. a kind of novel acid etching solution resource recycling method, it is characterised in that comprise the following steps：
1) pending acidic etching waste liquid is collected into etching solution collecting tank；
2) acidic etching liquid in etching solution collecting tank is added into reactive tank, adds sulfuric acid, peracid cupric is formed after reaction molten
Liquid,
3) peracid copper-containing solution is put into diffusion dialysis groove, with diffusive dialysis method by peracid copper-containing solution in diffusion dialysis groove
Separation, obtains the mixed solution of high salt concentration acid solution and copper sulphate and a small amount of copper chloride；
4) hydrochloric acid is collected and is back to etching producing line and recycled, by copper sulphate and the mixed solution of a small amount of copper chloride
Chilled Crystallization Separation obtains cupric sulfate pentahydrate crude product and copper chloride solution；
5) by the cupric sulfate pentahydrate crude product again through recrystallization purify high-quality cupric sulfate pentahydrate.
2. a kind of acidic etching liquid resource recycling system, it is characterised in that including the acidity for collecting etching production line
The etching solution collecting tank of etching solution, for add sulfuric acid and acidic etching liquid reaction reactive tank, diffusion dialysis groove, crystallization tank and
Recrystallize groove；
The acidic etching liquid output end of the etching solution collecting tank is connected with the entrance of the reactive tank, the etching solution collecting tank
In acidic etching liquid input in the reactive tank, the sulfuric acid reaction formation peracid copper-containing solution with addition；
The peracid copper-containing solution output end of the reactive tank is connected with the entrance of the diffusion dialysis groove, is formed in the reactive tank
Peracid copper-containing solution input in the diffusion dialysis groove, the peracid copper-containing solution is separated through diffusive dialysis method, obtains highly concentrated
Spend the mixed solution of hydrochloric acid solution and copper sulphate and copper chloride；
First output end of the diffusion dialysis groove is connected with a hydrochloric acid collecting tank, the diffusion dialysis groove is isolated described in
Hydrochloric acid solution is exported into the hydrochloric acid collecting tank, and the output end of the hydrochloric acid collecting tank is connected with etching production line；
The mixing of copper sulphate and copper chloride that second output end of the diffusion dialysis groove isolates the diffusion dialysis groove is molten
Liquid is inputted in the crystallization tank, and freezing and crystallizing separates to obtain cupric sulfate pentahydrate crude product and copper chloride solution；
The recrystallization groove is used to carry out recrystallization purification to the cupric sulfate pentahydrate crude product, obtains five water sulfuric acid of high-quality
Copper.
3. acidic etching liquid resource recycling system according to claim 2, it is characterised in that also including for storing
The copper-containing solution accumulator tank of the mixed solution of the copper sulphate and copper chloride, the copper-containing solution accumulator tank connection is in the diffusion
Between dialysis groove and the crystallization tank, the second output end of the diffusion dialysis groove is connected with the copper-containing solution accumulator tank, institute
The output end for stating copper-containing solution accumulator tank is connected with the crystallization tank, and the second output end of the diffusion dialysis groove is by the sulfuric acid
The mixed solution of copper and copper chloride is inputted in the copper-containing solution accumulator tank, and the copper-containing solution accumulator tank is again by the copper sulphate
Inputted with the mixed solution of copper chloride in the crystallization tank.
4. acidic etching liquid resource recycling system according to claim 2, it is characterised in that the recrystallization groove is set
Put in the lower section of the crystallization tank, the crystalline solid output end of the crystallization tank is connected with the recrystallization groove, by the five water sulphur
In the sour copper crude product input recrystallization groove.
Priority Applications (1)
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| CN201710456226.6A CN107099802A (en) | 2017-06-16 | 2017-06-16 | A kind of novel acid etching solution resource recycling method and recycling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115159755A (en) * | 2022-06-20 | 2022-10-11 | 天津正达科技有限责任公司 | Copper chloride etching solution recycling treatment system and method |
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2017
- 2017-06-16 CN CN201710456226.6A patent/CN107099802A/en active Pending
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| CN205152338U (en) * | 2014-11-03 | 2016-04-13 | 临安振有电子有限公司 | HDI printed wiring board etching treatment fluid recycle and regeneration of system device |
| CN105540975A (en) * | 2015-12-30 | 2016-05-04 | 北京赛科康仑环保科技有限公司 | Recycling method and system of PCB (printed circuit board) etching waste liquid |
| CN206814846U (en) * | 2017-06-16 | 2017-12-29 | 深圳市新锐思环保科技有限公司 | A kind of novel acid etching solution resource recycling system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115159755A (en) * | 2022-06-20 | 2022-10-11 | 天津正达科技有限责任公司 | Copper chloride etching solution recycling treatment system and method |
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