CN109055938A - A kind of acid erosion copper waste liquid environmental protection recyclable device and its technique of zero-emission - Google Patents
A kind of acid erosion copper waste liquid environmental protection recyclable device and its technique of zero-emission Download PDFInfo
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- CN109055938A CN109055938A CN201811002050.8A CN201811002050A CN109055938A CN 109055938 A CN109055938 A CN 109055938A CN 201811002050 A CN201811002050 A CN 201811002050A CN 109055938 A CN109055938 A CN 109055938A
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- waste liquid
- environmental protection
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- settling tank
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- 239000007788 liquid Substances 0.000 title claims abstract description 75
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 239000010949 copper Substances 0.000 title claims abstract description 49
- 239000002699 waste material Substances 0.000 title claims abstract description 48
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 47
- 230000003628 erosive effect Effects 0.000 title claims abstract description 36
- 239000002253 acid Substances 0.000 title claims abstract description 34
- 230000007613 environmental effect Effects 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title abstract description 14
- 238000005530 etching Methods 0.000 claims abstract description 44
- 239000000203 mixture Substances 0.000 claims abstract description 29
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 235000019270 ammonium chloride Nutrition 0.000 claims abstract description 7
- 238000011084 recovery Methods 0.000 claims abstract description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 18
- 239000012752 auxiliary agent Substances 0.000 claims description 16
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 12
- 229910021529 ammonia Inorganic materials 0.000 claims description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 8
- 150000007513 acids Chemical class 0.000 claims description 7
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 6
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 5
- 239000000908 ammonium hydroxide Substances 0.000 claims description 5
- -1 hydrionic inorganic acid Chemical class 0.000 claims description 5
- 230000002378 acidificating effect Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 239000002244 precipitate Substances 0.000 claims 1
- 230000001376 precipitating effect Effects 0.000 abstract description 9
- 239000000460 chlorine Substances 0.000 abstract description 8
- 239000002351 wastewater Substances 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 5
- 239000002994 raw material Substances 0.000 abstract description 4
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 abstract description 3
- 229910001431 copper ion Inorganic materials 0.000 abstract description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract description 2
- 238000009388 chemical precipitation Methods 0.000 abstract description 2
- 229910052801 chlorine Inorganic materials 0.000 abstract description 2
- 150000002500 ions Chemical class 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 150000004699 copper complex Chemical group 0.000 description 2
- 238000009867 copper metallurgy Methods 0.000 description 2
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- ONYJABODSRDXHP-UHFFFAOYSA-N [N].N.[Cl] Chemical compound [N].N.[Cl] ONYJABODSRDXHP-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000003113 alkalizing effect Effects 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 238000003466 welding Methods 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
- C22B15/0089—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)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- ing And Chemical Polishing (AREA)
Abstract
The present invention discloses a kind of acid erosion copper waste liquid environmental protection recyclable device of zero-emission; including etching machine and settling tank, the pneumatic filter press and blend tank for etching online, settling tank is connect with etching machine and Pneumatic pressure filter respectively; pneumatic filter press is connect with blend tank, and blend tank is connect with etching machine；It is equipped with erosion copper waste drains pump between etching machine and settling tank, air driven pump is equipped between settling tank and pneumatic filter press, clear liquid pump is equipped between pneumatic filter press and blend tank, newborn etching liquid pump is equipped between blend tank and etching machine.The invention also discloses a kind of acid erosion copper waste liquid environmental protection recovery process of zero-emission.After the present invention is using the copper ion in chemical precipitation method precipitating acid waste liquid, adjusting Chlorine in Solution ion concentration and pH value again makes it become ammonium chloride etching solution raw material again, new wastewater and waste materials are not generated in whole process, it is administered from waste water source of generation, environmental protection is cleaned again, and operating process is short, and equipment cost is low, occupied area is small, remarkable in economical benefits.
Description
Technical field
The present invention relates to erosion copper devil liquor recovery technical field, the acid erosion copper waste liquid environmental protection recycling of especially a kind of zero-emission
Device and its technique.
Background technique
Acidic etching liquid is made of ammonium chloride and hydrochloric acid, is formed waste liquid after the completion of effect on its etching machine and is discharged,
The ingredients such as 8% copper ion, 10% ammonia nitrogen ion, 24% chloride ion are wherein mainly contained in the composition of waste liquid, generally by
Environmental protection administration is unified to collect, professional treatment.If directly entering rivers and lakes without processing, meeting welding destroys the ecological balance, jeopardizes
Human survival.Some producers are used to produce copper sulphate waste liquid, but after production copper sulphate, waste water increases other than ammonia nitrogen chlorine root
Sulfuric acid object, it more difficult to handle；Also some producer's waste liquids are used to produce copper sponge, and in waste liquid plus iron makees reducing agent, and copper is made to become pureed
Copper sponge, but waste water increases ferrous sulfate again other than containing ammonia nitrogen and chlorine, and harm is bigger, and water body reddens smelly.Therefore, existing
Processing method has its limitation, does not reach the environmental requirement of complete zero runoff water discharge.
Summary of the invention
In view of the foregoing drawbacks, present invention solves the technical problem that being to provide a kind of acid erosion copper waste liquid environmental protection of zero-emission
Recyclable device and its technique do not generate new wastewater and waste materials in whole process, administer from waste water source of generation, and environmental protection is cleaned again,
And operating process is short, and equipment cost is low, and occupied area is small, remarkable in economical benefits.
In order to solve the above technical problems, the technical solution of the present invention is as follows: a kind of acid erosion copper waste liquid environmental protection of zero-emission is returned
Receiving apparatus, comprising: etching machine and settling tank, pneumatic filter press and blend tank for etching online, the settling tank difference
Connect with the etching machine and the pneumatic filter press, the pneumatic filter press is connect with the blend tank, the blend tank with
The etching machine connection；
Be equipped with erosion copper waste drains pump between the etching machine and the settling tank, the settling tank and the pneumatic filter press it
Between be equipped with air driven pump, clear liquid pump, the blend tank and the etching machine are equipped between the pneumatic filter press and the blend tank
Between be equipped with newborn etching liquid pump.
Blender, pneumatic is equipped in further improvement according to the above technical scheme, the settling tank and the blend tank
Device and pH meter, the pneumatic device connect the air driven pump.
Further improvement according to the above technical scheme, the pneumatic device is the circulating line of an endcapped, described
Pneumatic device setting is equipped with multiple circular holes in the settling tank and the allotment pot bottom, the pneumatic device.
A kind of acid erosion copper waste liquid environmental protection recovery process of zero-emission, the acid erosion copper waste liquid ring including above-mentioned zero-emission
Protect recyclable device and following steps:
S1 recycles the acid erosion copper waste liquid of the etching machine outflow, and acidity erosion copper waste liquid is evacuated in the settling tank；
Under the action of the blender and the pneumatic device Ammonia auxiliary agent is added in the settling tank to adjust in S2
Its pH value is saved, the solution one precipitated containing basic copper chloride is obtained；
Solution one in the settling tank is pressed into air pressure filter press by S3 by air driven pump, obtained after filtering clear liquid with
And the basic copper chloride precipitating of pureed, clear liquid is transported to the blend tank
S4, under the action of the blender and the pneumatic device, toward blend tank in acids auxiliary agent and replenishers are added
Its pH value and chloride ion content are adjusted, acidic etching liquid is formed and adds in etching machine.
Preferably, in step S2, the Ammonia auxiliary agent is one kind of ammonium hydroxide and ammonia, and the adjustable range of the pH value is 5
~7.
Preferably, in step S4, the acids auxiliary agent is that can provide hydrionic inorganic acid, the adjustable range of the pH value
Be 9~10, the replenishers be ammonium chloride or and hydrochloric acid, the chloride ion content be 140~180g/L.
Reaction principle of the invention are as follows: the pH value for adjusting acid erosion copper waste liquid makes copper complex form the formula chlorination of pureed alkali
Copper precipitating, chemical equation are as follows:
2〔Cu(Cl)4〕2++6NH4OH+2NH4Cl→2Cu(OH)3Cl↓+8NH4CL
Compared with prior art, the beneficial effects of the present invention are:
1, after using the copper ion in chemical precipitation method precipitating acid waste liquid, acids auxiliary agent is added and replenishers are molten to adjust
Chlorine ion concentration and pH value make it become ammonium chloride etching solution raw material again in liquid, and it is useless not generate new waste water in whole process
Object is administered from waste water source of generation, and environmental protection is cleaned again；
2, operating process is short, and equipment cost is low, and occupied area is small, remarkable in economical benefits；
3,60% or more the copper sludge cupric filtered in pneumatic filter press can be used as the raw material of production mantoquita and copper metallurgy.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the acid erosion copper waste liquid environmental protection recyclable device of zero-emission of the present invention；
Fig. 2 is a kind of structural schematic diagram of the settling tank of the acid erosion copper waste liquid environmental protection recyclable device of zero-emission of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the present invention and its application or make
Any restrictions.It should be noted that term " center ", "upper", "lower", "left", "right", "vertical", "horizontal", "inner",
The orientation or positional relationship of the instructions such as "outside" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing this hair
Bright and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation
Construction and operation, therefore be not considered as limiting the invention.
Referring to Fig. 1, the acid erosion copper waste liquid environmental protection recyclable device of the zero-emission, comprising: the etching machine for etching online
1, copper waste liquid reservoir 2, erosion copper waste drains pump 3, settling tank 4, the first auxiliary agent basin 5, the second auxiliary agent basin (not shown), gas are lost
Dynamic pump 6, pneumatic filter press 7, clear liquid receiving tank 8, clear liquid pump 9, blend tank 10, newborn etching liquid pump 11 and newborn etching liquid storage tank
12。
Wherein, the erosion copper waste liquid of the etching machine 1 etched online be transported to erosion copper waste liquid reservoir 2 in, settling tank 4 respectively with
The liquid outlet of copper waste liquid reservoir 2, the liquid outlet of auxiliary agent basin 5 and pneumatic filter press 7 is lost to connect, pneumatic filter press 7 with
Clear liquid receiving tank 8 connects, and the precipitating in settling tank is intercepted, output clear liquid to clear liquid receiving tank 8；Clear liquid receiving tank 8 and tune
The connection of distribution tank 10, blend tank 10 connect with etching machine 1 through new life etching liquid storage tank 5, lose the liquid outlet of copper waste liquid reservoir 2 and sink
Erosion copper waste drains pump 3 is set between shallow lake tank 4, air driven pump 6, pneumatic filter press 7 and tune are set between settling tank 4 and pneumatic filter press 7
Clear liquid pump 9 is set between distribution tank 10, blend tank 10 and between newborn etching liquid storage tank 12 newborn etching liquid pump 11, blend tank are set
10 the second auxiliary agent basin (not shown)s of connection.
Referring to fig. 2, blender 13, pneumatic device 14 and pH meter 15, pneumatic device 14 are equipped in settling tank 4 and blend tank 10
It is connected with air driven pump 6.
Pneumatic device 14 is the circulating line of an endcapped, and pneumatic device setting is in settling tank and allotment pot bottom, gas
Dynamic device is equipped with multiple circular holes 16.
The acid erosion copper waste liquid environmental protection recovery process of the zero-emission, the acid erosion copper waste liquid environmental protection including above-mentioned zero-emission
Recyclable device and following steps:
Firstly, the acid erosion copper waste liquid of recycling etching machine outflow, and acidity erosion copper waste liquid is evacuated in settling tank；
Ammonia auxiliary agent ammonium hydroxide is added in settling tank, makes pH value tune under the action of blender and pneumatic device for second step
To pH=6, the copper complex in waste liquid generates pureed basic copper chloride precipitating, chemical equation after alkalizing are as follows:
2〔Cu(Cl)4〕2++6NH4OH+2NH4Cl→2Cu(OH)3Cl↓+8NH4CL
Finally, the solution one of the basic copper chloride precipitating containing pureed is obtained；
Solution one in settling tank is pressed into air pressure filter press, the basic copper chloride of pureed by third step by air driven pump
Precipitating is trapped, and filtered clear liquid is transported to blend tank, and the main component of clear liquid is NH4CL；In step S2, the Ammonia is helped
Agent is one kind of ammonium hydroxide and ammonia, and the adjustable range of the pH value is 5~7.
4th step, under the action of blender and pneumatic device, toward blend tank in be added acids auxiliary agent hydrochloric acid, make pH value tune
To 9.3, while chloride ion content is detected, supplement ammonium chloride makes chloride ion content to 160g/L, send basin after detection is qualified, returns to
Etching machine is made to supplement sub- liquid.In cycles, it constantly recycles, reaches " zero-emission ".
Acids auxiliary agent is that can provide one of hydrionic inorganic acid, such as phosphoric acid, nitric acid and hydrochloric acid or above group
It closes.
The present invention has the advantages that zero-emission: with hydrochloric acid, after ammonium hydroxide tune pH, the two become again ammonium chloride etching solution it is main at
Point, at all not contaminated system, reaches the purpose of " from watershed management, comprehensively utilizing ", has eradicated " hazardous waste " discharge, both environmentally friendly
It cleans again, complies fully with national environmental protection policy；During separating copper, only permitted copper precipitating, liquid etching composition is constant, does not influence
Therefore etching quality can circulate benignly in cycles；Process is short, equipment is few, with low investment, occupied area only 50m2；Copper sludge contains
60% or more copper is production mantoquita and the good raw material of copper metallurgy, and market is extremely in great demand；Remarkable in economical benefits.Based on 1 ton/day, Nian Shengshi
Liquid 500,000 is carved, 35 tons of copper is recycled, increases income 1,500,000 yuan.
The above is only the preferred embodiment of the present invention, it is noted that above-mentioned preferred embodiment is not construed as pair
Limitation of the invention, protection scope of the present invention should be defined by the scope defined by the claims..For the art
For those of ordinary skill, without departing from the spirit and scope of the present invention, several improvements and modifications can also be made, these change
It also should be regarded as protection scope of the present invention into retouching.
Claims (6)
1. a kind of acid erosion copper waste liquid environmental protection recyclable device of zero-emission characterized by comprising the etching for etching online
Machine and settling tank, pneumatic filter press and blend tank, the settling tank connect with the etching machine and the pneumatic filter press respectively
It connects, the pneumatic filter press is connect with the blend tank, and the blend tank is connect with the etching machine；
It is equipped with erosion copper waste drains pump between the etching machine and the settling tank, is set between the settling tank and the pneumatic filter press
There is air driven pump, clear liquid pump is equipped between the pneumatic filter press and the blend tank, between the blend tank and the etching machine
Liquid pump is etched equipped with new life.
2. a kind of acid erosion copper waste liquid environmental protection recyclable device of zero-emission according to claim 1, which is characterized in that described
Blender, pneumatic device and pH meter are equipped in settling tank and the blend tank, the pneumatic device connects the air driven pump.
3. a kind of acid erosion copper waste liquid environmental protection recyclable device of zero-emission according to claim 2, which is characterized in that described
Pneumatic device is the circulating line of an endcapped, and the pneumatic device is arranged in the settling tank and the allotment pot bottom,
The pneumatic device is equipped with multiple circular holes.
4. a kind of acid erosion copper waste liquid environmental protection recovery process of zero-emission, which is characterized in that any one including claims 1 to 3
The acid erosion copper waste liquid environmental protection recyclable device and following steps of zero-emission described in:
S1 recycles the acid erosion copper waste liquid of the etching machine outflow, and acidity erosion copper waste liquid is evacuated in the settling tank；
Under the action of the blender and the pneumatic device Ammonia auxiliary agent is added in the settling tank to adjust it in S2
PH value obtains the solution one precipitated containing basic copper chloride；
Solution one in the settling tank is pressed into air pressure filter press by air driven pump, clear liquid and mud is obtained after filtering by S3
The basic copper chloride of shape precipitates, and clear liquid is transported to the blend tank；
S4, under the action of the blender and the pneumatic device, toward blend tank in acids auxiliary agent and replenishers are added to adjust
Its pH value and chloride ion content are saved, acidic etching liquid is formed and adds in etching machine.
5. a kind of acid erosion copper waste liquid environmental protection recovery process of zero-emission according to claim 4, which is characterized in that step
In S2, the Ammonia auxiliary agent is one kind of ammonium hydroxide and ammonia, and the adjustable range of the pH value is 5~7.
6. a kind of acid erosion copper waste liquid environmental protection recovery process of zero-emission according to claim 4, which is characterized in that step
In S4, the acids auxiliary agent is that can provide hydrionic inorganic acid, and the adjustable range of the pH value is 9~10, the replenishers
For ammonium chloride or and hydrochloric acid, the chloride ion content be 140~180g/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811002050.8A CN109055938A (en) | 2018-08-30 | 2018-08-30 | A kind of acid erosion copper waste liquid environmental protection recyclable device and its technique of zero-emission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811002050.8A CN109055938A (en) | 2018-08-30 | 2018-08-30 | A kind of acid erosion copper waste liquid environmental protection recyclable device and its technique of zero-emission |
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| CN109055938A true CN109055938A (en) | 2018-12-21 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113350988A (en) * | 2021-05-27 | 2021-09-07 | 河北恒创环保科技有限公司 | Hot galvanizing deamination tower wastewater recycling plating-assisting tank process |
| CN113737184A (en) * | 2021-11-04 | 2021-12-03 | 清大国华环境集团股份有限公司 | Copper-containing etching waste liquid recovery device and copper-containing etching waste liquid recovery method |
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Application publication date: 20181221 |