CN106191917A - A kind of impurity removal process of nickle electrolysis anode solution - Google Patents
A kind of impurity removal process of nickle electrolysis anode solution Download PDFInfo
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- CN106191917A CN106191917A CN201610637509.6A CN201610637509A CN106191917A CN 106191917 A CN106191917 A CN 106191917A CN 201610637509 A CN201610637509 A CN 201610637509A CN 106191917 A CN106191917 A CN 106191917A
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- anode solution
- electrolysis anode
- nickle electrolysis
- concentration
- nickle
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 29
- 239000012535 impurity Substances 0.000 title claims abstract description 19
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 61
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 41
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 30
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910052802 copper Inorganic materials 0.000 claims abstract description 27
- 239000010949 copper Substances 0.000 claims abstract description 27
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000003756 stirring Methods 0.000 claims abstract description 17
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 15
- 235000019270 ammonium chloride Nutrition 0.000 claims abstract description 12
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000013019 agitation Methods 0.000 claims abstract description 10
- 229910001431 copper ion Inorganic materials 0.000 claims abstract description 10
- 229910052742 iron Inorganic materials 0.000 claims abstract description 10
- 229910001453 nickel ion Inorganic materials 0.000 claims abstract description 10
- WWNBZGLDODTKEM-UHFFFAOYSA-N sulfanylidenenickel Chemical compound [Ni]=S WWNBZGLDODTKEM-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000706 filtrate Substances 0.000 claims abstract description 8
- 229910052759 nickel Inorganic materials 0.000 claims description 26
- 238000002156 mixing Methods 0.000 claims description 3
- 238000005987 sulfurization reaction Methods 0.000 claims 1
- 238000001914 filtration Methods 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 239000003792 electrolyte Substances 0.000 description 23
- 239000011248 coating agent Substances 0.000 description 8
- 238000000576 coating method Methods 0.000 description 8
- 238000004070 electrodeposition Methods 0.000 description 7
- 238000000280 densification Methods 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- 230000000536 complexating effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- NBFQLHGCEMEQFN-UHFFFAOYSA-N N.[Ni] Chemical compound N.[Ni] NBFQLHGCEMEQFN-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- IYRDVAUFQZOLSB-UHFFFAOYSA-N copper iron Chemical compound [Fe].[Cu] IYRDVAUFQZOLSB-UHFFFAOYSA-N 0.000 description 1
- YOCUPQPZWBBYIX-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Cu] YOCUPQPZWBBYIX-UHFFFAOYSA-N 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- BFDHFSHZJLFAMC-UHFFFAOYSA-L nickel(ii) hydroxide Chemical compound [OH-].[OH-].[Ni+2] BFDHFSHZJLFAMC-UHFFFAOYSA-L 0.000 description 1
- YFLLTMUVNFGTIW-UHFFFAOYSA-N nickel;sulfanylidenecopper Chemical compound [Ni].[Cu]=S YFLLTMUVNFGTIW-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- 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
- C25C1/06—Electrolytic production, recovery or refining of metals by electrolysis of solutions or iron group metals, refractory metals or manganese
- C25C1/08—Electrolytic production, recovery or refining of metals by electrolysis of solutions or iron group metals, refractory metals or manganese of nickel or cobalt
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
- C25C7/06—Operating or servicing
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrolytic Production Of Metals (AREA)
Abstract
A kind of impurity removal process of nickle electrolysis anode solution, said method comprising the steps of: (1) nickle electrolysis anode solution containing ammonium chloride concentration range is 30～300g/L, nickel ion concentration scope is 0.5～100g/L, copper ion concentration scope is 0.5～10g/L, iron concentration scope is 0.01～2g/L, take nickle electrolysis anode solution, adding nickel sulfide makes its concentration range be 0.5～20g/L, control temperature 20～70 DEG C, magnetic agitation rotating speed 300～700r/min, after stirring 10～120min, filtering, filtrate is the nickle electrolysis anode solution after copper removal；(2) the nickle electrolysis anode solution addition ammonia after copper removal makes its concentration be 30～400g/L, stirs 1～20min, the nickle electrolysis anode solution after filtration, after obtaining except ferrum.This technique has the advantages such as technique is simple, raw material is simple and easy to get, flow process does not introduce other impurity, copper removal ferrum excellent effect.
Description
(1) technical field
The present invention relates to the impurity removal process of a kind of nickle electrolysis anode solution, belong to technical field of wet metallurgy.
(2) background technology
In the commercial production of current electrolytic nickel, mainly carry out electrolytic nickel with sulfuric acid system, this technique changing through many decades
Make and reform, the most perfect, the most ripe, but it is as the development of society, and the progress of science and technology, traditional electro-nickel process
The most day by day appear its shortcoming existed.The shortcoming that traditional electrolytic nickel technique exists is as follows:
1. use acid system electric deposition nickel technique, with boric acid as buffer agent, need strictly to be controlled by pH 4.5～5.4
In the range of, the too low meeting of pH causes cathode efficiency to reduce, and the too high meeting of pH causes the formation of nickel hydroxide, the physical property of nickel and shape
Looks are deteriorated.
2. acid system, in electrolytic process Anodic liquid, impurity content and kind are more, numerous in acid system remove impurity flow process
Miscellaneous, process cost is higher.
Therefore, relative efficiency is green, technological process relative ease, it is possible to is suitable for automatic and mechanical and produces, increases production capacity,
The ammonia complexing system electrolytic nickel method of the pH scope of expansion buffer additive has self-evident for the commercial production of electronickelling
Huge meaning, and also comply with the green production policy advocated of country instantly, and using ammonium chloride system as anolyte
Electrolysis, it is possible to being configured to conform to the ammonia complexing system electrolyte of negative electrode electro-deposition requirement, copper and ferrum are major impurities in anolyte,
But ammonium chloride system copper removal ferrum technique study almost without.
The present invention proposes a kind of method of ammonium chloride system copper removal ferrum, has huge for ammonia complexing alkaline system electrolytic nickel
Big prospect, environment and economic benefit.
(3) summary of the invention
It is an object of the invention to for ammonia complexing alkaline system electrolytic nickel copper removal ferrum research almost without problem, propose one
Plant nis matte in alkaline electrolyte, leach impurity removal process, by ammonium chloride system electrolytic nickel anolyte, add nickel sulfide
Copper removal, addition ammonia, except ferrum, can effectively remove impurity, be successfully obtained copper iron content and reach the electrolyte of standard, this technique
There is the advantages such as technique is simple, raw material is simple and easy to get, flow process does not introduce other impurity, copper removal ferrum excellent effect.
For achieving the above object, the present invention adopts the following technical scheme that
The impurity removal process of a kind of nickle electrolysis anode solution, said method comprising the steps of:
(1) nickle electrolysis anode solution containing ammonium chloride concentration range be 30～300g/L, nickel ion concentration scope be 0.5～
100g/L, copper ion concentration scope are 0.5～10g/L, iron concentration scope is 0.01～2g/L, take nickle electrolysis anode solution,
Adding nickel sulfide makes its concentration range be 0.5～20g/L, control temperature 20～70 DEG C, magnetic agitation rotating speed 300～700r/
Min, after stirring 10～120min, filters, and filtrate is the nickle electrolysis anode solution after copper removal；
(2) the nickle electrolysis anode solution addition ammonia after copper removal makes its concentration be 30～400g/L, stirs 1～20min, mistake
After filter, the nickle electrolysis anode solution after obtaining except ferrum, prepare nickel for negative electrode electro-deposition.
Further, in step (1), described ammonia chloride concentration is preferably 50～200g/L.
Further, in step (1), described nickel ion concentration is preferably 5～80g/L.
Further, in step (1), described copper ion concentration is preferably 1～5g/L.
Further, in step (1), described iron concentration is preferably 0.05～1g/L.
Further, in step (1), nickel sulfide concentration is preferably 1～10g.
Further, in step (1), temperature range is preferably 40～60 DEG C.
Further, in step (1), magnetic agitation rotating speed is preferably 400～600r/min.
Further, in step (1), mixing time is preferably 20～80min.
Further, in step (2), ammonia concn is preferably 50～250g/L.
Further, in step (2), mixing time is preferably 3～10min.
Further, described preparation is made up of step (1)～(2).
The anode that nickle electrolysis anode solution of the present invention is corresponding is converter mattes.
The invention has the beneficial effects as follows: the present invention solves nickel ammonia alkali electrolysis system Anodic liquid and removes impurity copper ferrum
Problem, effect disclosure satisfy that industrial requirement.Needed raw material reusable edible of the present invention, technological process is simple, and environmental protection has
Huge prospect, environment and economic benefit.
(4) accompanying drawing explanation
Fig. 1 is the electron scanning micrograph of embodiment 3 electronickelling.
(5) detailed description of the invention
Below by specific embodiment, the present invention is further detailed, but protection scope of the present invention not only limiting
In this.
Embodiment 1
Take containing ammonium chloride concentration 30g/L, nickel ion concentration is 0.5g/L, copper ion concentration is 0.5g/L, iron concentration
For 0.01g/L, taking electrolyte 1L in beaker, add nickel sulfide, its quality is 0.5g, controls temperature 20 DEG C, and magnetic agitation turns
Speed 700r/min, after stirring 10min, filters, and filtrate is electrolyte after copper removal.After copper removal, electrolyte addition ammonia is allowed to again
Concentration is 30g/L, Glass rod stirring 1min, after filtration, obtains, except electrolyte after ferrum, preparing nickel for negative electrode electro-deposition.
Copper removal rate based on example 1 is 99.21%, except ferrum rate is 98.57%.
Nickel plating to embodiment 1 gained carries out macroscopic observation layer by layer and SEM characterizes, and nickel coating macro morphology is bright and flat
Whole, the smooth densification of microscopic appearance.
Embodiment 2
Take containing ammonium chloride concentration 300g/L, nickel ion concentration is 100g/L, copper ion concentration is 10g/L, iron concentration
For 2g/L, taking electrolyte 1L in beaker, add nickel sulfide, its quality is 20g, controls temperature 70 C, magnetic agitation rotating speed
300r/min, after stirring 120min, filters, and filtrate is electrolyte after copper removal.After copper removal, electrolyte adds 400g/L ammonia again
Water, Glass rod stirring 20min, after filtration, obtain, except electrolyte after ferrum, preparing nickel for negative electrode electro-deposition.
Copper removal rate based on example 2 is 98.88%, except ferrum rate is 97.27%.
Nickel plating to embodiment 1 gained carries out macroscopic observation layer by layer and SEM characterizes, and nickel coating macro morphology is bright and flat
Whole, the smooth densification of microscopic appearance.
Embodiment 3
Take containing ammonium chloride concentration 50g/L, nickel ion concentration is 5g/L, copper ion concentration is 1g/L, iron concentration is
0.05g/L, takes electrolyte 1L in beaker, adds nickel sulfide, and its quality is 1g, controls temperature 40 DEG C, magnetic agitation rotating speed
400r/min, after stirring 80min, filters, and filtrate is electrolyte after copper removal.After copper removal, electrolyte adds 50g/L ammonia again,
Glass rod stirring 3min, after filtration, obtains, except electrolyte after ferrum, preparing nickel for negative electrode electro-deposition.
Copper removal rate based on example 3 is 99.57%, except ferrum rate is 98.65%.
The nickel coating of embodiment 3 gained being carried out macroscopic observation and SEM characterizes, nickel coating macro morphology is bright and smooth,
The smooth densification of microscopic appearance.
Embodiment 4
Take containing ammonium chloride concentration 200g/L, nickel ion concentration is 80g/L, copper ion concentration is 5g/L, iron concentration is
1g/L, takes electrolyte 1L in beaker, adds nickel sulfide, and its quality is 10g, controls temperature 60 C, magnetic agitation rotating speed 600r/
Min, after stirring 20min, filters, and filtrate is electrolyte after copper removal.After copper removal, electrolyte adds 250g/L ammonia, glass again
Rod stirring 10min, after filtration, obtains, except electrolyte after ferrum, preparing nickel for negative electrode electro-deposition.
Copper removal rate based on example 4 is 98.79%, except ferrum rate is 99.11%.
The nickel coating of embodiment 4 gained being carried out macroscopic observation and SEM characterizes, nickel coating macro morphology is bright and smooth,
The smooth densification of microscopic appearance.
Embodiment 5
Take containing ammonium chloride concentration 125g/L, nickel ion concentration is 40g/L, copper ion concentration is 2.5g/L, iron concentration
For 0.5g/L, taking electrolyte 1L in beaker, add nickel sulfide, its quality is 5g, controls temperature 50 C, magnetic agitation rotating speed
500r/min, after stirring 40min, filters, and filtrate is electrolyte after copper removal.After copper removal, electrolyte adds 120g/L ammonia again
Water, Glass rod stirring 5min, after filtration, obtain, except electrolyte after ferrum, preparing nickel for negative electrode electro-deposition.
Copper removal rate based on example 5 is 99.53%, except ferrum rate is 99.32%.
The nickel coating of embodiment 5 gained being carried out macroscopic observation and SEM characterizes, nickel coating macro morphology is bright and smooth,
The smooth densification of microscopic appearance.
Claims (6)
1. an impurity removal process for nickle electrolysis anode solution, said method comprising the steps of:
(1) nickle electrolysis anode solution containing ammonium chloride concentration range be 30～300g/L, nickel ion concentration scope be 0.5～100g/L,
Copper ion concentration scope is 0.5～10g/L, iron concentration scope is 0.01～2g/L, takes nickle electrolysis anode solution, adds sulfuration
Nickel makes its concentration range be 0.5～20g/L, control temperature 20～70 DEG C, and magnetic agitation rotating speed 300～700r/min stirs 10
～after 120min, filter, filtrate is the nickle electrolysis anode solution after copper removal；
(2) the nickle electrolysis anode solution addition ammonia after copper removal makes its concentration be 30～400g/L, stirs 1～20min, filters
After, the nickle electrolysis anode solution after obtaining except ferrum.
2. the impurity removal process of nickle electrolysis anode solution as claimed in claim 1, it is characterised in that: in step (1), described ammonia chloride
Concentration is 50～200g/L, and nickel ion concentration is 5～80g/L, and copper ion concentration is 1～5g/L, iron concentration be 0.05～
1g/L, nickel sulfide concentration is 1～10g.
3. the impurity removal process of nickle electrolysis anode solution as claimed in claim 1 or 2, it is characterised in that: in step (1), temperature model
Enclosing is 40～60 DEG C, and magnetic agitation rotating speed is 400～600r/min, and mixing time is 20～80min.
4. the impurity removal process of nickle electrolysis anode solution as claimed in claim 1, it is characterised in that: in step (2), ammonia concn is
50～250g/L.
5. the impurity removal process of the nickle electrolysis anode solution as described in claim 1 or 4, it is characterised in that: in step (2), during stirring
Between be 3～10min.
6. the impurity removal process of nickle electrolysis anode solution as claimed in claim 1, it is characterised in that: described technique by step (1)～
(2) composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610637509.6A CN106191917A (en) | 2016-08-04 | 2016-08-04 | A kind of impurity removal process of nickle electrolysis anode solution |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610637509.6A CN106191917A (en) | 2016-08-04 | 2016-08-04 | A kind of impurity removal process of nickle electrolysis anode solution |
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| Publication Number | Publication Date |
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| CN106191917A true CN106191917A (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610637509.6A Pending CN106191917A (en) | 2016-08-04 | 2016-08-04 | A kind of impurity removal process of nickle electrolysis anode solution |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112658059A (en) * | 2019-10-16 | 2021-04-16 | 丹阳市俊晧金属科技有限公司 | Efficient preparation process of pure nickel wire |
| CN114517309A (en) * | 2022-03-15 | 2022-05-20 | 金川镍钴研究设计院有限责任公司 | Method for supplementing nickel and removing copper in nickel electrolysis production system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1100153A (en) * | 1994-06-29 | 1995-03-15 | 北京有色冶金设计研究总院 | Method for removal of copper from electrolytic nickel anodic liquid |
| CN103320811A (en) * | 2013-06-05 | 2013-09-25 | 中南大学 | Method for removing impurities from nickel electrolysis anolyte |
| CN104099637A (en) * | 2013-04-07 | 2014-10-15 | 中国科学院过程工程研究所 | Gradual depth method for removing metal ion impurity from nickel anode electrolyte |
| CN105018964A (en) * | 2015-07-24 | 2015-11-04 | 金川集团股份有限公司 | Method for activating copper ions in nickel electrolysis anodic solution |
-
2016
- 2016-08-04 CN CN201610637509.6A patent/CN106191917A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1100153A (en) * | 1994-06-29 | 1995-03-15 | 北京有色冶金设计研究总院 | Method for removal of copper from electrolytic nickel anodic liquid |
| CN104099637A (en) * | 2013-04-07 | 2014-10-15 | 中国科学院过程工程研究所 | Gradual depth method for removing metal ion impurity from nickel anode electrolyte |
| CN103320811A (en) * | 2013-06-05 | 2013-09-25 | 中南大学 | Method for removing impurities from nickel electrolysis anolyte |
| CN105018964A (en) * | 2015-07-24 | 2015-11-04 | 金川集团股份有限公司 | Method for activating copper ions in nickel electrolysis anodic solution |
Non-Patent Citations (3)
| Title |
|---|
| 代海宁 等: "《电化学基本原理及应用》", 31 March 2014, 冶金工业出版社 * |
| 王飞镝 等: ""硫化镍沉淀转化法从镍电解液中深度净化除铜的研究"", 《湖南冶金》 * |
| 郑国渠 等: ""氨络合物体系电积金属镍的阳极过程"", 《有色金属》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112658059A (en) * | 2019-10-16 | 2021-04-16 | 丹阳市俊晧金属科技有限公司 | Efficient preparation process of pure nickel wire |
| CN114517309A (en) * | 2022-03-15 | 2022-05-20 | 金川镍钴研究设计院有限责任公司 | Method for supplementing nickel and removing copper in nickel electrolysis production system |
| CN114517309B (en) * | 2022-03-15 | 2023-09-26 | 金川镍钴研究设计院有限责任公司 | Nickel supplementing and decoppering method in nickel electrolysis production system |
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