CN107099665A - A kind of production technology of electrolytic zinc - Google Patents
A kind of production technology of electrolytic zinc Download PDFInfo
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- CN107099665A CN107099665A CN201710468544.4A CN201710468544A CN107099665A CN 107099665 A CN107099665 A CN 107099665A CN 201710468544 A CN201710468544 A CN 201710468544A CN 107099665 A CN107099665 A CN 107099665A
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- zinc
- electrolytic
- production technology
- filtrate
- leachate
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- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims abstract description 69
- 239000011701 zinc Substances 0.000 title claims abstract description 44
- 229910052725 zinc Inorganic materials 0.000 title claims abstract description 40
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 56
- 238000000034 method Methods 0.000 claims abstract description 54
- 239000000706 filtrate Substances 0.000 claims abstract description 42
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 238000002386 leaching Methods 0.000 claims abstract description 33
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 25
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000012452 mother liquor Substances 0.000 claims abstract description 22
- 229910052751 metal Inorganic materials 0.000 claims abstract description 20
- 239000002184 metal Substances 0.000 claims abstract description 20
- 235000019270 ammonium chloride Nutrition 0.000 claims abstract description 19
- 238000004070 electrodeposition Methods 0.000 claims abstract description 18
- 238000001914 filtration Methods 0.000 claims abstract description 18
- 239000000243 solution Substances 0.000 claims abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000011787 zinc oxide Substances 0.000 claims abstract description 12
- 239000007864 aqueous solution Substances 0.000 claims abstract description 7
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 6
- 239000008151 electrolyte solution Substances 0.000 claims abstract description 6
- 229910052742 iron Inorganic materials 0.000 claims abstract description 6
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 238000007254 oxidation reaction Methods 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 10
- 230000003647 oxidation Effects 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 5
- 239000003500 flue dust Substances 0.000 claims description 5
- 238000000746 purification Methods 0.000 claims description 5
- 230000035484 reaction time Effects 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 239000003792 electrolyte Substances 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims 1
- 238000005660 chlorination reaction Methods 0.000 claims 1
- 238000005868 electrolysis reaction Methods 0.000 abstract description 5
- 238000004064 recycling Methods 0.000 abstract description 3
- 239000000047 product Substances 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 6
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 6
- 239000000428 dust Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
- C22B3/12—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic alkaline solutions
- C22B3/14—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic alkaline solutions containing ammonia or ammonium salts
-
- 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
- C22B19/00—Obtaining zinc or zinc oxide
- C22B19/20—Obtaining zinc otherwise than by distilling
- C22B19/24—Obtaining zinc otherwise than by distilling with leaching with alkaline solutions, e.g. ammonia
-
- 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
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/44—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
-
- 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
- C25C1/16—Electrolytic production, recovery or refining of metals by electrolysis of solutions of zinc, cadmium or mercury
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Electrolytic Production Of Metals (AREA)
Abstract
The invention belongs to the technical field of metal zinc abstraction, it is related to the process that a kind of utilization electrolysis produces zinc ingot metal.The production technology, main technological steps are：In the aqueous solution that zinc oxide is put into ammonia and ammonium chloride, using ammonia and ammonium chloride solution as leaching agent, then add hydrogen peroxide in the leachate of acquisition and react, for removing the iron in leachate, again after press filtration, zinc powder is added in filtrate to be purified, then carries out press filtration, and filtrate is successively delivered in mother liquor tank and electrolytic cell, electrodeposition processing is carried out in the electrolytic solution, electrolytic zinc is obtained in minus plate, then founding processing is carried out to electrolytic zinc, zinc ingot metal and cadmia is obtained.Using this production technology, recycling for resource is realized, the zinc ingot metal product of high-purity is obtained, technique is simply efficient, production cost is saved.
Description
Technical field
The invention belongs to the technical field of metal zinc abstraction, it is related to the process that a kind of utilization electrolysis produces zinc ingot metal.
Background technology
Traditional zinc abstraction technique is carried out in concentrated sulfuric acid system, it is necessary to which the concentrated sulfuric acid is heated up in smelting process
It could be used to more than 80 DEG C, power consumption is big, adds production cost；Also the material dissolution of non-zinc can be made processing procedure
It is more complicated；The acid mist of generation has corrosivity and is difficult to handle, and secondary pollution is caused to environment.With society development,
The progress of technology, the technique for smelting zinc using electrolysis is also increasingly becoming people's priority fields of study, but in production process
In, some waste liquids etc. produced by system carry out it is good recycle, cause the significantly wasting of resources, also increase
The processing cost of discarded object is added.Accordingly, it is desirable to provide a kind of utilization electrolysis produces the process of zinc ingot metal, resource is recycled
Utilize, and save production cost.
The content of the invention
It is an object of the invention to provide the process that a kind of utilization electrolysis produces zinc ingot metal, realize in technical process and provide
Recycling for source, saves production cost, obtains the zinc ingot metal of high-purity.
The present invention solve above-mentioned technical problem technical scheme be：
A kind of production technology of electrolytic zinc, is comprised the technical steps that：
(1) process is leached：In the aqueous solution that zinc oxide is put into ammonia and ammonium chloride, using ammonia and ammonium chloride solution as leaching
Agent, leaches the zinc in material, obtains leachate, wherein, mixing speed is 60 revs/min, and reaction temperature is 30 DEG C~60 DEG C, reaction
Time is 2~4 hours, and the concentration of ammonium chloride is 200g/l~350g/l；
In leaching process, the reaction of zinc oxide and ammonia and ammonium chloride solution is：
ZnO+2NH3+2NH4Cl=Zn (NH3)4Cl2+H2O
Other impurity in material, e.g., other metal oxides (MeO) also dissolve in the aqueous solution of ammonia and ammonium chloride
Afterwards, into leachate, and further reacted with Zn, wherein, Me is the one or more in Cu, Al or Fe, Qi Tajin
Category oxide and ammonia and ammonium chloride solution reaction be：
MeO+2NH4Cl+NH3→Me(NH3)2++2Cl-+H2O
Me(NH3)i+ Zn=Me+Zn (NH3)i
In addition, leaching process is exothermic reaction, it can be reacted without heating；
In the step, the leaching rate of zinc oxide is up to 89%~96%；
(2) oxidation operation：Hydrogen peroxide is added in leachate and carries out oxidation reaction, for removing the iron in leachate, then
A press filtration is carried out, first-time filtrate and a filter residue is obtained, wherein, the mass concentration of hydrogen peroxide is 0.3%, the consumption of hydrogen peroxide
To add 15L~20L in leachate per ton, mixing speed is 60 revs/min, the temperature of oxidation reaction for 30 DEG C~60 DEG C, time
For 0.5~2 hour；
(3) cleaning procedure：Zinc powder is added in first-time filtrate and carries out purification reaction, then carries out secondary press filtration, is obtained secondary
Filtrate and secondary filter residue, and the secondary filtrate of acquisition is put into mother liquor tank, wherein, the consumption of zinc powder is per 1L first-time filtrates
Middle use 2g~3g, the temperature of purification reaction is 30 DEG C~60 DEG C, and the time is 1~1.5 hour；
(4) electrodeposition process：By in the secondary filtrate input electrolytic cell in mother liquor tank, electrodeposition processing is carried out in the electrolytic solution,
Electrolytic zinc is obtained in minus plate, wherein, negative electrode uses graphite cake or titanium plate using one kind in aluminium sheet or stainless steel plate, anode
In one kind, pH value be 8~8.3, reaction temperature be 45 DEG C, current density 400A/m2~450A/m2, voltage 3.1V~3.3V；
Electrodeposition reaction process be：
3Zn(NH3)4Cl2+2NH3=3Zn+6NH4Cl+6NH3+N2↑
(5) founding process：Founding processing is carried out to electrolytic zinc, zinc ingot metal and cadmia is obtained.
In addition, in the electrodeposition process of step (4), the ammonia of volatilization can generate ammoniacal liquor in the presence of ammonia spray column, go forward side by side
One step is back to the leaching process of step (1)；In the founding process of step (5), the effect of the flue dust of generation in sack cleaner
Under, further it is back to the leaching process of step (1)；In the oxidation operation of step (2), a filter residue of acquisition is washed again
Wash with three press filtrations, three filtrates and three filter residues are obtained, by three filtrate recycles in the leaching process of step (1), by this
Cadmia in three filter residues and secondary filter residue and step (5) in step (3) is recycled；By the electricity in step (4)
Solution liquid is put into mother liquor tank again to be recycled, and the solution in mother liquor tank can be back to the leaching process of step (1).
The zinc ingot metal obtained by above-mentioned processing step, its zinc content is more than 99.99%.
Using having the beneficial effect that for electrolytic zinc production technology of the present invention, by leaching, oxidation, purification, electrodeposition, founding and
The continuous processing of the processes such as multiple press filtration, obtains the zinc ingot metal product of high-purity, and its zinc content is more than 99.99%；In technical process
Gas, liquid of generation etc., have all carried out recycling accordingly, have been that enterprise has saved production cost, are that society reduces money
Source is wasted；The setting of mother liquor tank, enables the intermediate product in system is maximized to recycle, further increases zinc ingot metal
Purity, and make production process simpler efficiently.
Brief description of the drawings
Fig. 1 is the process chart of electrolytic zinc production technology of the present invention.
Embodiment
Embodiment 1
A kind of production technology of electrolytic zinc, is comprised the technical steps that：
(1) process is leached：In the aqueous solution that zinc oxide is put into ammonia and ammonium chloride, using ammonia and ammonium chloride solution as leaching
Agent, leaches the zinc in material, obtains leachate, wherein, mixing speed is 60 revs/min, and reaction temperature is 30 DEG C, and the reaction time is
4 hours, the concentration of ammonium chloride was 250g/l；In the step, the leaching rate of zinc oxide is 89%；
(2) oxidation operation：The hydrogen peroxide that mass concentration is 0.3% is added in leachate, 0.5 is reacted at 60 DEG C small
When, for removing the iron in leachate, then a press filtration is carried out, obtain first-time filtrate and a filter residue, wherein, the use of hydrogen peroxide
Measure to add 15L in leachate per ton, mixing speed is 60 revs/min；
(3) cleaning procedure：Zinc powder is added in first-time filtrate, is reacted 1.5 hours at 60 DEG C, then carries out secondary press filtration,
Secondary filtrate and secondary filter residue are obtained, and the secondary filtrate of acquisition is put into mother liquor tank, the reuse again of the solution in mother liquor tank
In the leaching process of step (1), wherein, the consumption of zinc powder is per using 2g in 1L first-time filtrates；
(4) electrodeposition process：By in the secondary filtrate input electrolytic cell in mother liquor tank, electrodeposition processing is carried out in the electrolytic solution,
Electrolytic zinc is obtained in minus plate, and electrolyte is put into mother liquor tank again recycled, the ammonia produced in electrodeposition processing exists
Ammoniacal liquor is generated in the presence of ammonia spray column, and is further back to the leaching process of step (1), wherein, negative electrode uses aluminium sheet, sun
Pole uses graphite cake, and pH value control is 8~8.3, and reaction temperature is 45 DEG C, current density 400A/m2, voltage 3.3V；
(5) founding process：Founding processing is carried out to electrolytic zinc, zinc ingot metal and cadmia is obtained, the flue dust of generation is in bag-type dust
In the presence of device, the leaching process of step (1), the zinc ingot metal that the step is obtained further are back to, its zinc content is
99.991%.
In addition, the filter residue obtained in step (2) is carried out into washing and three press filtrations again, three filtrates and three are obtained
Secondary filter residue, and by three filtrate recycles in the leaching process of step (1).
Embodiment 2
(1) process is leached：In the aqueous solution that zinc oxide is put into ammonia and ammonium chloride, using ammonia and ammonium chloride solution as leaching
Agent, leaches the zinc in material, obtains leachate, wherein, mixing speed is 60 revs/min, and reaction temperature is 60 DEG C, and the reaction time is
2 hours, the concentration of ammonium chloride was 200g/l；In the step, the leaching rate of zinc oxide is 93%；
(2) oxidation operation：The hydrogen peroxide that mass concentration is 0.3% is added in leachate, is reacted 2 hours at 30 DEG C,
For removing the iron in leachate, then a press filtration is carried out, obtain first-time filtrate and a filter residue, wherein, the consumption of hydrogen peroxide
To add 20L in leachate per ton, mixing speed is 60 revs/min；
(3) cleaning procedure：Zinc powder is added in first-time filtrate, is reacted 1 hour at 30 DEG C, then carries out secondary press filtration, is obtained
Secondary filtrate and secondary filter residue are obtained, and the secondary filtrate of acquisition is put into mother liquor tank, the solution in mother liquor tank is back to again
The leaching process of step (1), wherein, the consumption of zinc powder is per using 3g in 1L first-time filtrates；
(4) electrodeposition process：By in the secondary filtrate input electrolytic cell in mother liquor tank, electrodeposition processing is carried out in the electrolytic solution,
Electrolytic zinc is obtained in minus plate, and electrolyte is put into mother liquor tank again recycled, the ammonia produced in electrodeposition processing exists
Ammoniacal liquor is generated in the presence of ammonia spray column, and is further back to the leaching process of step (1), wherein, negative electrode uses aluminium sheet, sun
Pole uses titanium plate, and pH value control is 8~8.3, and reaction temperature is 45 DEG C, current density 450A/m2, voltage 3.1V；
(5) founding process：Founding processing is carried out to electrolytic zinc, zinc ingot metal and cadmia is obtained, the flue dust of generation is in bag-type dust
In the presence of device, the leaching process of step (1), the zinc ingot metal that the step is obtained further are back to, its zinc content is
99.994%.
In addition, the filter residue obtained in step (2) is carried out into washing and three press filtrations again, three filtrates and three are obtained
Secondary filter residue, and by three filtrate recycles in the leaching process of step (1).
Embodiment 3
(1) process is leached：In the aqueous solution that zinc oxide is put into ammonia and ammonium chloride, using ammonia and ammonium chloride solution as leaching
Agent, leaches the zinc in material, obtains leachate, wherein, mixing speed is 60 revs/min, and reaction temperature is 45 DEG C, and the reaction time is
3 hours, the concentration of ammonium chloride was 350g/l；In the step, the leaching rate of zinc oxide is 96%；
(2) oxidation operation：The hydrogen peroxide that mass concentration is 0.3% is added in leachate, is reacted 1 hour at 45 DEG C,
For removing the iron in leachate, then a press filtration is carried out, obtain first-time filtrate and a filter residue, wherein, the consumption of hydrogen peroxide
To add 18L in leachate per ton, mixing speed is 60 revs/min；
(3) cleaning procedure：Zinc powder is added in first-time filtrate, is reacted 1.2 hours at 45 DEG C, then carries out secondary press filtration,
Secondary filtrate and secondary filter residue are obtained, and the secondary filtrate of acquisition is put into mother liquor tank, the reuse again of the solution in mother liquor tank
In the leaching process of step (1), wherein, the consumption of zinc powder is per using 2.5g in 1L first-time filtrates；
(4) electrodeposition process：By in the secondary filtrate input electrolytic cell in mother liquor tank, electrodeposition processing is carried out in the electrolytic solution,
Electrolytic zinc is obtained in minus plate, and electrolyte is put into mother liquor tank again recycled, the ammonia produced in electrodeposition processing exists
Ammoniacal liquor is generated in the presence of ammonia spray column, and is further back to the leaching process of step (1), wherein, negative electrode uses stainless steel
Plate, anode uses graphite cake, and pH value control is 8~8.3, and reaction temperature is 45 DEG C, current density 430A/m2, voltage 3.2V；
(5) founding process：Founding processing is carried out to electrolytic zinc, zinc ingot metal and cadmia is obtained, the flue dust of generation is in bag-type dust
In the presence of device, the leaching process of step (1), the zinc ingot metal that the step is obtained further are back to, its zinc content is
99.993%.
In addition, the filter residue obtained in step (2) is carried out into washing and three press filtrations again, three filtrates and three are obtained
Secondary filter residue, and by three filtrate recycles in the leaching process of step (1).
Claims (7)
1. a kind of production technology of electrolytic zinc, it is characterised in that comprise the technical steps that：
(1) process is leached：In the aqueous solution that zinc oxide is put into ammonia and ammonium chloride, using ammonia and ammonium chloride solution as leaching agent, obtain
Leachate is obtained, wherein, mixing speed is 60 revs/min, and reaction temperature is 30 DEG C~60 DEG C, and the reaction time is 2~4 hours, chlorination
The concentration of ammonium is 200g/l~350g/l；
(2) oxidation operation：Hydrogen peroxide is added in leachate and carries out oxidation reaction, for removing the iron in leachate, then is carried out
Press filtration, obtains first-time filtrate and a filter residue, wherein, the mass concentration of hydrogen peroxide is 0.3%, and the consumption of hydrogen peroxide is every
15L~20L is added in ton leachate, mixing speed is 60 revs/min, and the temperature of oxidation reaction is 30 DEG C~60 DEG C, and the time is 0.5
~2 hours；
(3) cleaning procedure：Zinc powder is added in first-time filtrate and carries out purification reaction, then carries out secondary press filtration, secondary filtrate is obtained
With secondary filter residue, and the secondary filtrate of acquisition is put into mother liquor tank, wherein, the consumption of zinc powder is to make per in 1L first-time filtrates
With 2g~3g, the temperature of purification reaction is 30 DEG C~60 DEG C, and the time is 1~1.5 hour；
(4) electrodeposition process：By in the secondary filtrate input electrolytic cell in mother liquor tank, electrodeposition processing is carried out in the electrolytic solution, in the moon
Electrolytic zinc is obtained in pole plate, wherein, negative electrode is using one kind in aluminium sheet or stainless steel plate, and anode is using in graphite cake or titanium plate
One kind, pH value is 8~8.3, and reaction temperature is 45 DEG C, current density 400A/m2~450A/m2, voltage 3.1V~3.3V；
(5) founding process：Founding processing is carried out to electrolytic zinc, zinc ingot metal and cadmia is obtained.
2. a kind of production technology of electrolytic zinc as claimed in claim 1, it is characterised in that in the oxidation operation of step (2), obtain
A filter residue carry out washing and three press filtrations again, obtain three filtrates and three filter residues, by three filtrate recycles in
The leaching process of step (1).
3. a kind of production technology of electrolytic zinc as claimed in claim 1, it is characterised in that throw the electrolyte in step (4)
Enter in mother liquor tank and recycle.
4. a kind of production technology of electrolytic zinc as claimed in claim 1, it is characterised in that the solution in mother liquor tank can be back to
The leaching process of step (1).
5. a kind of production technology of electrolytic zinc as claimed in claim 1, it is characterised in that in the electrodeposition process of step (4), wave
The ammonia of hair generates ammoniacal liquor in the presence of ammonia spray column, and is further back to the leaching process of step (1).
6. a kind of production technology of electrolytic zinc as claimed in claim 1, it is characterised in that in the founding process of step (5), production
Raw flue dust is back to the leaching process of step (1) in the presence of sack cleaner, further.
7. the electrolytic zinc produced using the production technology as any one of claim 1-6, it is characterised in that it contains zinc
Amount is more than 99.99%.
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| CN108384959A (en) * | 2018-04-20 | 2018-08-10 | 江西睿锋环保有限公司 | A kind of preparation method of electrolytic zinc |
| CN108642519A (en) * | 2018-06-06 | 2018-10-12 | 潘生东 | A kind of Environment-friendlyelectrolytic electrolytic zinc technology |
| CN108754548A (en) * | 2018-06-26 | 2018-11-06 | 青铜峡市鼎辉工贸有限公司 | A kind of method to dechlorinate in ammonia process electrolysis zinc technology |
| CN109763141A (en) * | 2019-01-31 | 2019-05-17 | 白银原点科技有限公司 | A kind of polymetallic leaching recovery process |
| CN112267128A (en) * | 2020-09-30 | 2021-01-26 | 吉首市金湘资源科技开发有限公司 | Method for rapidly electrolyzing zinc by adopting chloroammonia method |
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| CN114540879A (en) * | 2022-01-24 | 2022-05-27 | 吉首市金湘资源科技开发有限公司 | Method for deeply purifying electrolytic zinc by ammonia-chlorine method |
| CN114921813A (en) * | 2022-05-27 | 2022-08-19 | 中宁县宁华再生资源循环利用科技有限公司 | Electrodeposition zinc ingot processing technology based on weak acid environment leaching |
| CN116411314A (en) * | 2023-04-10 | 2023-07-11 | 上海科菲鑫锐科技合伙企业(有限合伙) | Preparation method of high-purity zinc |
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| CN108384959B (en) * | 2018-04-20 | 2019-09-27 | 江西睿锋环保有限公司 | A kind of preparation method of electrolytic zinc |
| CN108384959A (en) * | 2018-04-20 | 2018-08-10 | 江西睿锋环保有限公司 | A kind of preparation method of electrolytic zinc |
| CN108642519B (en) * | 2018-06-06 | 2022-09-23 | 潘生东 | Environment-friendly zinc electrolysis process |
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| CN112267128A (en) * | 2020-09-30 | 2021-01-26 | 吉首市金湘资源科技开发有限公司 | Method for rapidly electrolyzing zinc by adopting chloroammonia method |
| CN112481508A (en) * | 2020-11-27 | 2021-03-12 | 韶关凯鸿纳米材料有限公司 | Low-degree steel plant flue gas furnace ash treatment method and device |
| CN114540879A (en) * | 2022-01-24 | 2022-05-27 | 吉首市金湘资源科技开发有限公司 | Method for deeply purifying electrolytic zinc by ammonia-chlorine method |
| CN114921813A (en) * | 2022-05-27 | 2022-08-19 | 中宁县宁华再生资源循环利用科技有限公司 | Electrodeposition zinc ingot processing technology based on weak acid environment leaching |
| CN114921813B (en) * | 2022-05-27 | 2024-04-09 | 中宁县宁华再生资源循环利用科技有限公司 | Electro-deposited zinc ingot processing technology based on weak acid environment leaching |
| CN116411314A (en) * | 2023-04-10 | 2023-07-11 | 上海科菲鑫锐科技合伙企业(有限合伙) | Preparation method of high-purity zinc |
| CN116607175A (en) * | 2023-04-10 | 2023-08-18 | 上海科菲鑫锐科技合伙企业(有限合伙) | Preparation method of high-purity zinc |
| CN116607175B (en) * | 2023-04-10 | 2024-08-13 | 上海科菲鑫锐科技合伙企业(有限合伙) | Preparation method of high-purity zinc |
| CN116411314B (en) * | 2023-04-10 | 2024-10-01 | 上海科菲鑫锐科技合伙企业(有限合伙) | Preparation method of high-purity zinc |
| CN119932334A (en) * | 2025-03-18 | 2025-05-06 | 桂阳银龙科技有限责任公司 | A hydrometallurgical zinc smelting process |
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