CN108914127A - A kind of regeneration treatment agent and preparation method thereof for sulfuric acid copper etchant solution waste water - Google Patents
A kind of regeneration treatment agent and preparation method thereof for sulfuric acid copper etchant solution waste water Download PDFInfo
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- CN108914127A CN108914127A CN201810706346.1A CN201810706346A CN108914127A CN 108914127 A CN108914127 A CN 108914127A CN 201810706346 A CN201810706346 A CN 201810706346A CN 108914127 A CN108914127 A CN 108914127A
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- sulfuric acid
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- 230000008929 regeneration Effects 0.000 title claims abstract description 48
- 238000011069 regeneration method Methods 0.000 title claims abstract description 48
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 46
- 239000002351 wastewater Substances 0.000 title claims abstract description 34
- UGWKCNDTYUOTQZ-UHFFFAOYSA-N copper;sulfuric acid Chemical compound [Cu].OS(O)(=O)=O UGWKCNDTYUOTQZ-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000000243 solution Substances 0.000 claims abstract description 35
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000012670 alkaline solution Substances 0.000 claims abstract description 25
- 150000001875 compounds Chemical class 0.000 claims abstract description 22
- 229940056319 ferrosoferric oxide Drugs 0.000 claims abstract description 22
- 239000011553 magnetic fluid Substances 0.000 claims abstract description 22
- NUJGJRNETVAIRJ-UHFFFAOYSA-N octanal Chemical compound CCCCCCCC=O NUJGJRNETVAIRJ-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229920002472 Starch Polymers 0.000 claims abstract description 21
- 239000011280 coal tar Substances 0.000 claims abstract description 21
- YDEXUEFDPVHGHE-GGMCWBHBSA-L disodium;(2r)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Na+].[Na+].COC1=CC=CC(C[C@H](CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O YDEXUEFDPVHGHE-GGMCWBHBSA-L 0.000 claims abstract description 21
- 235000019698 starch Nutrition 0.000 claims abstract description 21
- 239000008107 starch Substances 0.000 claims abstract description 21
- ZOOODBUHSVUZEM-UHFFFAOYSA-N ethoxymethanedithioic acid Chemical compound CCOC(S)=S ZOOODBUHSVUZEM-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000012991 xanthate Substances 0.000 claims abstract description 20
- 238000003756 stirring Methods 0.000 claims abstract description 13
- 238000001816 cooling Methods 0.000 claims abstract description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 12
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 8
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 claims description 5
- 229960001124 trientine Drugs 0.000 claims description 5
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 4
- 239000000920 calcium hydroxide Substances 0.000 claims description 4
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 4
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 claims description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims 1
- 229920005610 lignin Polymers 0.000 claims 1
- 150000002905 orthoesters Chemical class 0.000 claims 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 16
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 description 10
- 239000002699 waste material Substances 0.000 description 10
- 239000010949 copper Substances 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 4
- 238000005530 etching Methods 0.000 description 4
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 229910001431 copper ion Inorganic materials 0.000 description 2
- 229910000365 copper sulfate Inorganic materials 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 2
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000006277 sulfonation reaction Methods 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910000366 copper(II) sulfate Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 1
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- C22B15/0091—Treating solutions by chemical methods by cementation
-
- 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)
- Removal Of Specific Substances (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The regeneration treatment agent and preparation method thereof that the invention discloses a kind of for sulfuric acid copper etchant solution waste water, its method is that iron powder is added in alkaline solution, then magnetic fluid ferroso-ferric oxide, sodium lignin sulfonate, n-octaldehyde and starch xanthate are sequentially added, stir 40min or more, when controlled at 30-40 DEG C, sulfonated coal tar and aminated compounds is added, stirs evenly, it is cooling, regeneration treatment agent can be obtained.Regeneration treatment agent principal component of the invention is iron powder, displaces copper powder by iron powder and copper sulphate, while enabling waste water circular regeneration.
Description
Technical field
The invention belongs to field of waste water treatment more particularly to a kind of regeneration treatment agent for sulfuric acid copper etchant solution waste water and
Preparation method.
Background technique
In operation operational process, etching solution content of copper ion will be increased constantly the etching work procedure of pcb board factory, reach full
Become waste liquid waste liquid with after and copper sulphate is processed by environmental protection company recycling.Main sulfur acid copper and ferrous sulfate in this waste liquid
And a small amount of ferric sulfate directly is difficult to obtain purer copper sulphate crystalline substance from this waste liquid with crystallisation (evaporation or cooling)
Body, which generallys use to displace copper, can be used to lower technique being translated into copper sulfate crystal：Scrap iron is put into waste liquid to fill
After dividing reaction, the scrap iron with copper is taken out into and sweeps away its copper powder adhered to above with water, and remaining waste liquid is filtered into obtain copper
Powder impregnates 10% sulfuric acid of obtained copper powder, and the iron powder being wherein mixed with is removed, and filtering leachate obtains copper powder.But it is this
Mode is reacted not exclusively, still can remaining a large amount of copper ion, and remaining waste liquid can cause environmental pollution.
Summary of the invention
The present invention in order to solve problems in the prior art, provides a kind of regeneration treatment for sulfuric acid copper etchant solution waste water
Agent and preparation method thereof, can high efficiency extraction copper simple substance, and waste liquid after processing can Recycling in etching work procedure.
In order to solve the above-mentioned technical problem, the present invention uses following technical scheme：
A kind of regeneration treatment agent for sulfuric acid copper etchant solution waste water, the component including following parts by weight meter：Iron powder 60~
100 parts, 200~320 parts of alkaline solution, 30~40 parts of n-octaldehyde, 20~30 parts of magnetic fluid ferroso-ferric oxide, starch xanthate
10~20 parts, 10~20 parts of sulfonated coal tar, 1~3 part of aminated compounds, 20~30 parts of sodium lignin sulfonate.
Regeneration treatment agent principal component of the invention is iron powder, displaces copper powder by iron powder and copper sulphate, and efficiency compared with
It is high.The principle of the present invention is as follows：
Fe+CuSO4═FeSO4+Cu
Preferably, the regeneration treatment agent for sulfuric acid copper etchant solution waste water, the component including following parts by weight meter：
70 parts of iron powder, 250 parts of alkaline solution, 35 parts of n-octaldehyde, 25 parts of magnetic fluid ferroso-ferric oxide, 15 parts of starch xanthate, sulfonation
15 parts of coal tar, 2 parts of aminated compounds, 25 parts of sodium lignin sulfonate.
Preferably, the regeneration treatment agent for sulfuric acid copper etchant solution waste water, the component including following parts by weight meter：
80 parts of iron powder, 280 parts of alkaline solution, 32 parts of n-octaldehyde, 28 parts of magnetic fluid ferroso-ferric oxide, 11 parts of starch xanthate, sulfonation
10 parts of coal tar, 1 part of aminated compounds, 22 parts of sodium lignin sulfonate.
Preferably, the concentration of the alkaline solution is 35~40%.
Preferably, alkaline solution is one or more of sodium hydroxide, potassium hydroxide, calcium hydroxide.
Preferably, aminated compounds is two kinds of one of ethylenediamine, triethylene tetramine, diethylenetriamine.
The preparation method of the above-mentioned regeneration treatment agent for sulfuric acid copper etchant solution waste water, includes the following steps：By iron powder plus
Enter in alkaline solution, then sequentially add magnetic fluid ferroso-ferric oxide, sodium lignin sulfonate, n-octaldehyde and starch xanthate,
40min or more is stirred, when controlled at 30-40 DEG C, sulfonated coal tar and aminated compounds is added, stirs evenly, it is cooling, i.e.,
Regeneration treatment agent can be obtained.
Preferably, mixing time is 60~120min.
The regeneration treatment agent can direct plunge into sulfuric acid copper etchant solution waste water, and after fully reacting, waste liquid is through toning
With can be recycled.
Regeneration treatment agent principal component of the invention is iron powder, displaces copper powder by iron powder and copper sulphate, while making waste water
Can circular regeneration, sodium lignin sulfonate and magnetic fluid ferroso-ferric oxide can greatly improve the recovery rate of copper powder, obtain larger
Income, using regeneration treatment agent of the invention, waste liquid per ton can obtain the copper powder of 90kg or more.
Specific embodiment
The present invention is further described in detail combined with specific embodiments below.
Embodiment 1
A kind of regeneration treatment agent for sulfuric acid copper etchant solution waste water, the component including following parts by weight meter：70 parts of iron powder,
250 parts of alkaline solution, 35 parts of n-octaldehyde, 25 parts of magnetic fluid ferroso-ferric oxide, 15 parts of starch xanthate, sulfonated coal tar 15
Part, 2 parts of aminated compounds, 25 parts of sodium lignin sulfonate.
The alkaline solution is sodium hydroxide, and concentration is 35~40%.
The aminated compounds is ethylenediamine.
The preparation method of the above-mentioned regeneration treatment agent for sulfuric acid copper etchant solution waste water, includes the following steps：By iron powder plus
Enter in alkaline solution, then sequentially add magnetic fluid ferroso-ferric oxide, sodium lignin sulfonate, n-octaldehyde and starch xanthate,
60min is stirred, when controlled at 30-40 DEG C, sulfonated coal tar and aminated compounds is added, stirs evenly, it is cooling, it can obtain
To regeneration treatment agent.
Embodiment 2
A kind of regeneration treatment agent for sulfuric acid copper etchant solution waste water, the component including following parts by weight meter：60 parts of iron powder,
200 parts of alkaline solution, 30 parts of n-octaldehyde, 20 parts of magnetic fluid ferroso-ferric oxide, 10 parts of starch xanthate, sulfonated coal tar 10
Part, 1 part of aminated compounds, 20 parts of sodium lignin sulfonate.
The alkaline solution is mass ratio 1:1 potassium hydroxide and calcium hydroxide.
The aminated compounds is mass ratio 1:1 ethylenediamine, triethylene tetramine.
The preparation method of the above-mentioned regeneration treatment agent for sulfuric acid copper etchant solution waste water, includes the following steps：By iron powder plus
Enter in alkaline solution, then sequentially add magnetic fluid ferroso-ferric oxide, sodium lignin sulfonate, n-octaldehyde and starch xanthate,
120min is stirred, when controlled at 30-40 DEG C, sulfonated coal tar and aminated compounds is added, stirs evenly, it is cooling
Obtain regeneration treatment agent.
Embodiment 3
A kind of regeneration treatment agent for sulfuric acid copper etchant solution waste water, the component including following parts by weight meter：Iron powder 100
Part, 320 parts of alkaline solution, 40 parts of n-octaldehyde, 30 parts of magnetic fluid ferroso-ferric oxide, 20 parts of starch xanthate, sulfonated coal tar
20 parts, 3 parts of aminated compounds, 30 parts of sodium lignin sulfonate.
The alkaline solution is calcium hydroxide.
The aminated compounds is mass ratio 1:2 triethylene tetramine and diethylenetriamine.
The preparation method of the above-mentioned regeneration treatment agent for sulfuric acid copper etchant solution waste water, includes the following steps：By iron powder plus
Enter in alkaline solution, then sequentially add magnetic fluid ferroso-ferric oxide, sodium lignin sulfonate, n-octaldehyde and starch xanthate,
130min is stirred, when controlled at 30-40 DEG C, sulfonated coal tar and aminated compounds is added, stirs evenly, it is cooling
Obtain regeneration treatment agent.
Embodiment 4
A kind of regeneration treatment agent for sulfuric acid copper etchant solution waste water, the component including following parts by weight meter：80 parts of iron powder,
280 parts of alkaline solution, 32 parts of n-octaldehyde, 28 parts of magnetic fluid ferroso-ferric oxide, 11 parts of starch xanthate, sulfonated coal tar 10
Part, 1 part of aminated compounds, 22 parts of sodium lignin sulfonate.
The alkaline solution is potassium hydroxide.
The aminated compounds is mass ratio 1:1 ethylenediamine and triethylene tetramine.
The preparation method of the above-mentioned regeneration treatment agent for sulfuric acid copper etchant solution waste water, includes the following steps：By iron powder plus
Enter in alkaline solution, then sequentially add magnetic fluid ferroso-ferric oxide, sodium lignin sulfonate, n-octaldehyde and starch xanthate,
80min is stirred, when controlled at 30-40 DEG C, sulfonated coal tar and aminated compounds is added, stirs evenly, it is cooling, it can obtain
To regeneration treatment agent.
Reference examples 1
Same as Example 1, difference is：Not plus sodium lignin sulfonate.
For the regeneration treatment agent of sulfuric acid copper etchant solution waste water, the component including following parts by weight meter：70 parts of iron powder, hydrogen-oxygen
Change 250 parts of sodium, 35 parts of n-octaldehyde, 25 parts of magnetic fluid ferroso-ferric oxide, 15 parts of starch xanthate, 15 parts of sulfonated coal tar, second
2 parts of diamines.
The preparation method of the above-mentioned regeneration treatment agent for sulfuric acid copper etchant solution waste water, includes the following steps：By iron powder plus
Enter in sodium hydroxide solution, then sequentially add magnetic fluid ferroso-ferric oxide, n-octaldehyde and starch xanthate, stirs 60min,
When controlled at 30-40 DEG C, sulfonated coal tar and ethylenediamine is added, stirs evenly, it is cooling, regeneration treatment agent can be obtained.
Reference examples 2
Same as Example 1, difference is：Magnetic fluid ferroso-ferric oxide is not added.
For the regeneration treatment agent of sulfuric acid copper etchant solution waste water, the component including following parts by weight meter：70 parts of iron powder, hydrogen-oxygen
Change 250 parts of sodium, 35 parts of n-octaldehyde, 15 parts of starch xanthate, 15 parts of sulfonated coal tar, 2 parts of ethylenediamine, sodium lignin sulfonate 25
Part.
The preparation method of the above-mentioned regeneration treatment agent for sulfuric acid copper etchant solution waste water, includes the following steps：By iron powder plus
Enter in sodium hydroxide solution, then sequentially add sodium lignin sulfonate, n-octaldehyde and starch xanthate, stirs 60min, control
When temperature is 30-40 DEG C, sulfonated coal tar and ethylenediamine is added, stirs evenly, it is cooling, regeneration treatment agent can be obtained.
By the etching solution waste water of the processing sulfur acid copper of regeneration treatment agent made from embodiment 1-4 and reference examples 1-2, processing
As a result such as following table：
Table
As known from the above, the sodium lignin sulfonate in the present invention and magnetic fluid ferroso-ferric oxide can greatly improve copper powder
Recovery rate obtains larger income, and using regeneration treatment agent of the invention, waste liquid per ton can obtain the copper powder of 90kg or more.
The above, preferable specific embodiment only of the invention, the scope of protection of the present invention is not limited to this, any ripe
Know those skilled in the art within the technical scope of the present disclosure, the letter for the technical solution that can be become apparent to
Altered or equivalence replacement are fallen within the protection scope of the present invention.
Claims (8)
1. a kind of regeneration treatment agent for sulfuric acid copper etchant solution waste water, which is characterized in that the component including following parts by weight meter：
60~100 parts of iron powder, 200~320 parts of alkaline solution, 30~40 parts of n-octaldehyde, 20~30 parts of magnetic fluid ferroso-ferric oxide, starch
10~20 parts of xanthate, 10~20 parts of sulfonated coal tar, 1~3 part of aminated compounds, 20~30 parts of sodium lignin sulfonate.
2. the regeneration treatment agent according to claim 1 for sulfuric acid copper etchant solution waste water, which is characterized in that including following
The component of parts by weight meter：70 parts of iron powder, 250 parts of alkaline solution, 35 parts of n-octaldehyde, 25 parts of magnetic fluid ferroso-ferric oxide, starch are yellow
15 parts of ortho esters, 15 parts of sulfonated coal tar, 2 parts of aminated compounds, 25 parts of sodium lignin sulfonate.
3. the regeneration treatment agent according to claim 1 for sulfuric acid copper etchant solution waste water, which is characterized in that described to be used for
The regeneration treatment agent of sulfuric acid copper etchant solution waste water, the component including following parts by weight meter：80 parts of iron powder, 280 parts of alkaline solution, just
32 parts of octanal, 28 parts of magnetic fluid ferroso-ferric oxide, 11 parts of starch xanthate, 10 parts of sulfonated coal tar, 1 part of aminated compounds,
22 parts of sodium lignin sulfonate.
4. the regeneration treatment agent according to any one of claims 1 to 3 for sulfuric acid copper etchant solution waste water, feature exist
In the concentration of the alkaline solution is 35~40%.
5. the regeneration treatment agent according to any one of claims 1 to 3 for sulfuric acid copper etchant solution waste water, feature exist
In alkaline solution is one or more of sodium hydroxide, potassium hydroxide, calcium hydroxide.
6. the regeneration treatment agent according to claim 1 for sulfuric acid copper etchant solution waste water, which is characterized in that amine chemical combination
Object is two kinds of one of ethylenediamine, triethylene tetramine, diethylenetriamine.
7. special based on a kind of preparation method of the regeneration treatment agent for sulfuric acid copper etchant solution waste water described in claim 1
Sign is, includes the following steps：Iron powder is added in alkaline solution, magnetic fluid ferroso-ferric oxide, lignin are then sequentially added
Sodium sulfonate, n-octaldehyde and starch xanthate stir 40min or more, and when controlled at 30-40 DEG C, sulfonated coal tar is added
And aminated compounds, it stirs evenly, it is cooling, regeneration treatment agent can be obtained.
8. the preparation method of the regeneration treatment agent according to claim 7 for sulfuric acid copper etchant solution waste water, feature exist
In mixing time is 60~120min.
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