CN105177294B - The microemulsion system and method for a kind of extraction and separation nickel and lithium - Google Patents
The microemulsion system and method for a kind of extraction and separation nickel and lithium Download PDFInfo
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- CN105177294B CN105177294B CN201510448857.4A CN201510448857A CN105177294B CN 105177294 B CN105177294 B CN 105177294B CN 201510448857 A CN201510448857 A CN 201510448857A CN 105177294 B CN105177294 B CN 105177294B
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- lithium
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- nickel
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- microemulsion
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title claims abstract description 84
- 238000000605 extraction Methods 0.000 title claims abstract description 61
- 239000004530 micro-emulsion Substances 0.000 title claims abstract description 46
- 238000000926 separation method Methods 0.000 title claims abstract description 40
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 37
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 229910052759 nickel Inorganic materials 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title abstract description 20
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 42
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical compound CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000007127 saponification reaction Methods 0.000 claims abstract description 22
- 230000010355 oscillation Effects 0.000 claims abstract description 17
- 239000012071 phase Substances 0.000 claims abstract description 17
- 238000002156 mixing Methods 0.000 claims abstract description 15
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000008346 aqueous phase Substances 0.000 claims abstract description 13
- 229910001416 lithium ion Inorganic materials 0.000 claims abstract description 13
- 239000012074 organic phase Substances 0.000 claims abstract description 13
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000002835 absorbance Methods 0.000 claims abstract description 9
- 239000004064 cosurfactant Substances 0.000 claims abstract description 9
- 229910001453 nickel ion Inorganic materials 0.000 claims abstract description 9
- 238000010521 absorption reaction Methods 0.000 claims abstract description 7
- 239000004094 surface-active agent Substances 0.000 claims abstract description 7
- 239000002699 waste material Substances 0.000 claims description 11
- 239000002253 acid Substances 0.000 claims description 5
- 239000000344 soap Substances 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 abstract description 5
- 238000005185 salting out Methods 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 229910021645 metal ion Inorganic materials 0.000 description 5
- 238000000638 solvent extraction Methods 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000008267 milk Substances 0.000 description 3
- 210000004080 milk Anatomy 0.000 description 3
- 235000013336 milk Nutrition 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000009388 chemical precipitation Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000009854 hydrometallurgy Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- PHTQWCKDNZKARW-UHFFFAOYSA-N isoamylol Chemical compound CC(C)CCO PHTQWCKDNZKARW-UHFFFAOYSA-N 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000002798 spectrophotometry method Methods 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- SEGLCEQVOFDUPX-UHFFFAOYSA-N di-(2-ethylhexyl)phosphoric acid Chemical group CCCCC(CC)COP(O)(=O)OCC(CC)CCCC SEGLCEQVOFDUPX-UHFFFAOYSA-N 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- URIIGZKXFBNRAU-UHFFFAOYSA-N lithium;oxonickel Chemical group [Li].[Ni]=O URIIGZKXFBNRAU-UHFFFAOYSA-N 0.000 description 1
- 239000006210 lotion Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- 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
- Manufacture And Refinement Of Metals (AREA)
- Extraction Or Liquid Replacement (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a kind of extraction and separation nickel and the microemulsion system and method for lithium, feature is that the microemulsion system includes surfactant saponification P204, cosurfactant n-hexyl alcohol, organic phase normal heptane, step saponification P204 is pressed with NaOH, microemulsion system is prepared into other compositions, microemulsion is 1 by volume with the outer aqueous phase containing nickel ion and lithium ion:6~10 mixing, after mixing, are placed in water-bath constant temperature oscillator, and frequency of oscillation is 150 rpm, is shaken 8 minutes at room temperature, after taking-up, stand 4 hours, and phase of fetching water with atomic absorption detecting absorbance, calculates extraction yield.The microemulsion system cooks cosurfactant using saponification P204 as surfactant, n-hexyl alcohol, normal heptane is cooked the separation that the stable microemulsion system of organic phase structure carries out nickel and lithium, this method P204 and organic phase dosage are few, do not need to additional salting-out agents, it operates simpler, separating rate is accelerated, separative efficiency greatly improves, stripping steps are simple, and the organic phase after back extraction can be recycled.
Description
Technical field
The present invention relates to nickel and the separation technology field of lithium, and in particular to the microemulsion system of a kind of extraction and separation nickel and lithium
And method, this method can be used for the separation of nickel and lithium in waste nickel acid lithium battery.
Background technology
Lithium ion battery uses and the amount of discarding is in cumulative year after year trend, according to investigations, the lithium-ion electric that the whole world is discarded every year
At 1,000,000,000 or more, separation and the recycling of the reprocessing of waste and old lithium ion battery and each metal are an important resource regenerations in pond
Work.It is lithium nickel oxide to have a kind of positive electrode in lithium ion battery, for lithium nickelate battery, the improper processing meeting of such battery
Cause the waste of nickel and lithium.At present, the main method of the noble metals such as nickel is recycled from waste and old lithium ion battery burning method and wet
Method metallurgy method.Burning method is because of the reasons such as equipment complexity, high energy consumption, pollution be big, using being restricted；Hydrometallurgical is easy easily
It is capable, at low cost, have more optimistic application prospect.One of key technology is how to realize effectively dividing for ion in hydrometallurgy
From the method for being used for separating metal ions in existing hydrometallurgical processes mainly has chemical precipitation method, ionic adsorption method and solvent
Extraction etc., using chemical precipitation method, the addition of excessive precipitating reagent can bring new pollution；Ionic adsorption method, which often exists, inhales
Attached poor selectivity, the shortcomings that yield is relatively low；Solvent extraction solvent extraction has preferable selectivity, organic efficiency height, separation effect
The advantages such as fruit is good, but solvent extraction is larger there is also Solvent quantity, and extraction time is longer, and lotion used is more, be easy to cause
The wasting of resources increases the deficiency of extraction cost.Microemulsion extraction and separation metal ion is with separative efficiency is high, selectivity is strong, makes
With advantages, the P204 such as range is wide（That is di-(2-ethylhexyl)phosphoric acid ester）It is the common extractant of extraction and separation metal ion, but
In in the prior art using P204 as the application of extractant, there are Solvent quantity is big, stripping steps long flow path, liquid waste processing are difficult
The defects of big is spent, seriously restricts the development that the metal ions such as nickel, lithium are detached in waste and old lithium ion battery.Therefore, how to realize
The separation of metal ions speed such as nickel, lithium is fast in waste and old lithium ion battery, separative efficiency is high, selectivity is good, economic and environment-friendly, operation letter
Single separation method is the problem urgently to be resolved hurrily faced in current industry.
Invention content
In order to solve more than the problems of the prior art, the invention proposes a kind of extraction and separation nickel and lithium
Microemulsion system and method, the microemulsion system by the use of saponification P204 as surfactant, n-hexyl alcohol cook cosurfactant,
Normal heptane is cooked the separation that the stable microemulsion system of organic phase structure carries out nickel and lithium, and this method P204 and organic phase dosage are few, no
Additional salting-out agents are needed, operation is simpler, and separating rate is accelerated, separative efficiency greatly improves, and stripping steps are simple, after back extraction
Organic phase can be recycled.
The technical solution adopted by the present invention is that：
The microemulsion system of a kind of extraction and separation nickel and lithium, feature are that the microemulsion system includes surfactant soap
Change P204, cosurfactant n-hexyl alcohol, organic phase normal heptane, saponification P204, n-hexyl alcohol, normal heptane volume ratio for 0.5~
1:2~4:6~8, the preparation process of the microemulsion system is：By saponification P204, n-hexyl alcohol, normal heptane by volume 0.5~1:2
~4:6~8 mixing, mixed liquor is 30 minutes ultrasonic at room temperature, stand 24 hours after taking-up.
The saponification step of surfactant saponification P204 described above is：Add in a concentration of 1.0 mol/L's into P204
NaOH solution is uniformly mixed and is placed in water-bath constant temperature oscillator, and frequency of oscillation 150rpm vibrates 30 minutes at room temperature,
12 hours are stood after taking-up, wherein P204 is 3~1 with NaOH solution molar ratio:1~2.
A kind of method using microemulsion system extraction and separation nickel described above and lithium：Take above-mentioned microemulsion by microemulsion with
Water phase water volume ratio is 1:6~10 mixing（Nickel ion and lithium ion in outer aqueous phase）, after mixing, it is placed in constant temperature water bath
In oscillator, frequency of oscillation is 150 rpm, is shaken 8 minutes at room temperature, after taking-up, stands 4 hours, and phase of fetching water is inhaled with atom
It receives and measures absorbance, calculate extraction yield.
The microemulsion system of extraction and separation nickel and lithium as described above, available for nickel in waste nickel acid lithium battery and lithium
Separation, when the separation of nickel and lithium in for waste nickel acid lithium battery, outer aqueous phase is waste nickel acid lithium battery leachate.
Beneficial effects of the present invention are：Separating rate is fast, separation can be completed within 8 minutes, separative efficiency is high, the extraction yield of nickel
It is more than 99.6%, the separation of nickel and lithium is 338, and far above the prior art, organic phase and P204 dosages extract compared with usual vehicle
The amount of taking is few, and the organic phase of generation is easily stripped, and the organic phase obtained after back extraction is reusable, economic and environment-friendly.Common micro emulsion
Liquid extraction system and solvent-extraction system in order to increase the extraction yield of ion, are commonly incorporated into the salting-out agents such as sodium chloride, to follow-up waste water
Processing bring difficulty, do not need to additional salting-out agents in the method for the present invention, operation is simpler, environmentally friendly.Saponification P204 plays table
The double action of face activating agent and extractant, reduces raw material type, easily facilitates Preparatory work of experiment.
Specific embodiment
Illustrate the technical characterstic of the present invention program for that can understand with reference to specific embodiments the present invention is illustrated.
Embodiment 1:
Saponification：The NaOH solution of a concentration of 1.0 mol/L of 22 mL is added in into 5.0 mL P204, is uniformly mixed and is placed on
In water-bath constant temperature oscillator, frequency of oscillation is 150 rpm, vibrates 30 minutes at room temperature, 12 hours are stood after taking-up.
It is prepared by microemulsion：Saponification P204, n-hexyl alcohol, normal heptane are by volume：0.8:3:7 mixing, by mixed liquor in room
The lower ultrasound of temperature 30 minutes, stands 24 hours after taking-up, obtains clear microemulsion system.
Extraction and separation：Above-mentioned 5.0 mL of micro emulsion is taken, is 1 by ratio of milk and water:8 mixing（Wherein, in outer aqueous phase nickel ion and lithium from
The concentration of son is respectively 100 mg/L and 80 mg/L）, after mixing, it is placed in water-bath constant temperature oscillator, frequency of oscillation is
150rpm shakes 8 minutes at room temperature, after taking-up, stands 4 hours, and phase of fetching water with atomic absorption detecting absorbance, calculates extraction
It is 99.79% to take rate, separation 340.Related data of the table 1 for parallel laboratory test three times.
The extraction yield and separation of nickel under 1 optimal conditions of table
The median extraction rate of more than nickel is 99.68%, though heat also has and can reach extraction yield 99.68% or so in prior art
Scheme or even higher than 99.68% extraction scheme, but mostly using P204 as the organic phase of extractant and the volume ratio of water phase
It is 1:1, and the volume ratio of microemulsion and water phase is 1 in the application:7~9, the dosage of extractant is opposite to be greatly reduced.
Embodiment 2:
Saponification：The NaOH solution of a concentration of 1.0 mol/L, molar ratio P204 are added in into P204：NaOH solution is:1:
1.5, it is uniformly mixed and is placed in water-bath constant temperature oscillator, frequency of oscillation is 150 rpm, is vibrated 30 minutes at room temperature, is taken out
Stand 12 hours afterwards.
It is prepared by microemulsion：Saponification P204, n-hexyl alcohol, normal heptane are by volume：0.5:2:6 mixing, by mixed liquor in room
The lower ultrasound of temperature 30 minutes, stands 24 hours after taking-up, obtains clear microemulsion system.
Extraction and separation：Above-mentioned 5.0 mL of micro emulsion is taken, is 1 by ratio of milk and water:7 mixing（Wherein, in outer aqueous phase nickel ion and lithium from
The concentration of son is respectively 100 mg/L and 80 mg/L）, after mixing, it is placed in water-bath constant temperature oscillator, frequency of oscillation is
150rpm shakes 8 minutes at room temperature, after taking-up, stands 4 hours, phase of fetching water, and is to calculate with atomic absorption detecting absorbance
Extraction yield is 99.52%, separation 335.
Embodiment 3:
Saponification：The NaOH solution of a concentration of 1.0 mol/L, molar ratio P204 are added in into P204：NaOH solution is:1:
2, it is uniformly mixed and is placed in water-bath constant temperature oscillator, frequency of oscillation is 150 rpm, is vibrated 30 minutes at room temperature, after taking-up
Stand 12 hours.
It is prepared by microemulsion：Saponification P204, n-hexyl alcohol, normal heptane are by volume：1:4:8 mixing, by mixed liquor in room temperature
Lower ultrasonic 30 minutes, 24 hours are stood after taking-up, obtains clear microemulsion system.
Extraction and separation：Above-mentioned 5.0 mL of micro emulsion is taken, is 1 by ratio of milk and water:9 mixing（Wherein, in outer aqueous phase nickel ion and lithium from
The concentration of son is respectively 100 mg/L and 80 mg/L）, after mixing, it is placed in water-bath constant temperature oscillator, frequency of oscillation is
150rpm shakes 8 minutes at room temperature, after taking-up, stands 4 hours, phase of fetching water, and is to calculate with atomic absorption detecting absorbance
Extraction yield is 99.73%, separation 339.
The application has investigated saponification rate, different alcohol, extraction time, extraction temperature, microemulsion and water phase volume ratio etc. simultaneously
Influence of the factor to extraction yield.Saponification rate, different alcohol, microemulsion and water phase volume ratio is set forth to extraction yield in table 2-4
It influences
1st, influence of the saponification rate to extraction yield：
Fixed microemulsion and outer aqueous phase volume ratio 1:8, in 298.15 K of bath temperature, duration of oscillation 8 minutes, frequency of oscillation
The water-bath constant temperature oscillator of 150 rpm carries out extraction and separation, and a layer water phase Atomic absorption is removed in liquid separation after taking out static 4 hours
The absorbance of spectrophotometric determination nickel ion and lithium ion, calculates the extraction yield of nickel and lithium, and concrete numerical value is shown in Table 2.
Influence of the molar ratio of table 2 P204 and NaOH to extraction yield
By 2 experimental data of table it is found that P204 and NaOH molar ratios are 2.5:1、2:1、1:Under conditions of 1.5, the extraction of Ni
Take rate（%）More than 99%, and it is 1 when matching:When 1.5, the proportioning difference of Li and Ni are maximum, and the two separating effect is best, can
It is 1 in P204 and NaOH molar ratios:Make under conditions of 1.5 further directed to property inquiry experiment.
2nd, different alcohol are as influence of the cosurfactant to extraction yield：
Microemulsion and outer aqueous phase volume ratio 1:The molar ratio 1 of 8, P204 and NaOH:1.5, isoamyl alcohol, uncle penta are selected respectively
The different cosurfactant such as alcohol, n-amyl alcohol, n-hexyl alcohol.In 298.15 K of bath temperature, duration of oscillation 8 minutes, oscillation frequency
The thermostatic control oscillator vibration of 150 rpm of rate carries out extraction and separation, and liquid separation after taking out static 4 hours is removed a layer water phase and inhaled with atom
The absorbance of spectrophotometric determination nickel ion and lithium ion is received, calculates the extraction yield of nickel and lithium, it is as a result as shown in table 3 below.
Influence of 3 cosurfactant of table to extraction yield
By 3 experimental data of table it is found that when cosurfactant is n-hexyl alcohol, the extraction yield of Ni is 99.09%, extraction yield
Highest, the extraction yield of Li is 11.55%, and maximum with the extraction yield difference of Ni, separating effect is best.
3rd, the influence of microemulsion and water phase volume ratio to extraction yield：
By different microemulsions and outer aqueous phase volume ratio, in duration of oscillation 8 minutes, 298.15 K of bath temperature, frequency of oscillation
The thermostatic control oscillator vibration of 150 rpm carries out extraction and separation, and a layer water phase Atomic absorption is removed in liquid separation after taking out static 4 hours
Spectrophotometric measures the absorbance of nickel ion and lithium ion, calculates the extraction yield of nickel and lithium, the results are shown in Table 4.
4 microemulsion of table and influence of the outer aqueous phase volume ratio to extraction yield
By 4 experimental data of table it is found that microemulsion and water phase volume ratio are 1:6 and 1:When 8, the extraction yield highest of Ni, and
Maximum with the extraction yield difference of Li, separating effect is best, especially when microemulsion and water phase volume ratio are 1:When 8, the extraction of Ni
The extraction yield that rate is 99.27%, Li is 11.16%, and maximum with the extraction yield difference of Ni, extraction and separation effect is best.
Claims (3)
1. a kind of microemulsion system of extraction and separation nickel and lithium, it is characterised in that：The microemulsion system includes surfactant soap
Change P204, cosurfactant n-hexyl alcohol, organic phase normal heptane, saponification P204, n-hexyl alcohol, normal heptane volume ratio be 0.5:2:
6 or 1:4:8, saponification P204, n-hexyl alcohol, normal heptane are pressed into more than volume ratio and mixed, mixed liquor is 30 minutes ultrasonic at room temperature,
24 hours are stood after taking-up, the saponification step of surfactant saponification P204 is：Add in a concentration of 1.0 mol/L's into P204
NaOH solution is uniformly mixed and is placed in water-bath constant temperature oscillator, and frequency of oscillation 150rpm vibrates 30 minutes at room temperature,
12 hours are stood after taking-up, the P204 is 2.5 with NaOH solution molar ratio:1 or 2:1 or 1:1.5, take above-mentioned microemulsion by
Microemulsion is 1 with outer aqueous phase water volume ratio:6 mix, and containing nickel ion and lithium ion in outer aqueous phase, after mixing, are placed in water-bath
In constant temperature oscillator, frequency of oscillation is 150 rpm, is shaken 8 minutes at room temperature, after taking-up, stands 4 hours, phase of fetching water, with original
Sub- absorption measurement absorbance calculates extraction yield.
2. the microemulsion system of extraction and separation nickel as described in claim 1 and lithium, it is characterised in that available for waste and old lithium nickelate
The separation of nickel and lithium in battery.
3. the microemulsion system of a kind of extraction and separation nickel as described in claim 1 and lithium, it is characterised in that：The outer aqueous phase
For waste nickel acid lithium battery leachate.
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| CN105177294B true CN105177294B (en) | 2018-06-29 |
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| CN109852797B (en) * | 2017-12-16 | 2020-12-29 | 虔东稀土集团股份有限公司 | Extraction solvent for extracting and separating lithium element and method for extracting and separating lithium element by using extraction solvent |
| CN109913666B (en) * | 2019-03-12 | 2021-09-28 | 滨州学院 | Sugar precipitation three-phase system and method for extracting and separating Fe (III), Cr (III) and Ni (II) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS556460A (en) * | 1978-06-29 | 1980-01-17 | Nippon Mining Co Ltd | Extracting and separating method of nickel and cobalt |
| CN1554473A (en) * | 2003-12-24 | 2004-12-15 | �Ϻ���ͨ��ѧ | Micro lactescence and its preparing method |
| KR20070019182A (en) * | 2005-08-11 | 2007-02-15 | 한국과학기술연구원 | Solvent extraction method for separation of cobalt and nickel |
| CN103173616A (en) * | 2011-12-23 | 2013-06-26 | 北京石油化工学院 | Method for extracting and separating copper and cobalt in waste lithium ion battery leach solution with microemulsion |
| CN104313324A (en) * | 2014-10-23 | 2015-01-28 | 云南大学 | Method for extracting palladium from alkaline aurocynide solution by using dodecyl dimethyl-2-phenoxyacetic ammonium bromide |
| CN105087960A (en) * | 2015-08-26 | 2015-11-25 | 昆明理工大学 | Method for extracting and separating nickel and cobalt by microemulsion |
-
2015
- 2015-07-28 CN CN201510448857.4A patent/CN105177294B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS556460A (en) * | 1978-06-29 | 1980-01-17 | Nippon Mining Co Ltd | Extracting and separating method of nickel and cobalt |
| CN1554473A (en) * | 2003-12-24 | 2004-12-15 | �Ϻ���ͨ��ѧ | Micro lactescence and its preparing method |
| KR20070019182A (en) * | 2005-08-11 | 2007-02-15 | 한국과학기술연구원 | Solvent extraction method for separation of cobalt and nickel |
| CN103173616A (en) * | 2011-12-23 | 2013-06-26 | 北京石油化工学院 | Method for extracting and separating copper and cobalt in waste lithium ion battery leach solution with microemulsion |
| CN104313324A (en) * | 2014-10-23 | 2015-01-28 | 云南大学 | Method for extracting palladium from alkaline aurocynide solution by using dodecyl dimethyl-2-phenoxyacetic ammonium bromide |
| CN105087960A (en) * | 2015-08-26 | 2015-11-25 | 昆明理工大学 | Method for extracting and separating nickel and cobalt by microemulsion |
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