CN108690911A - A kind of cobalt chloride or the ultra-high purity cleaning method of nickel chloride aqueous solution - Google Patents
A kind of cobalt chloride or the ultra-high purity cleaning method of nickel chloride aqueous solution Download PDFInfo
- Publication number
- CN108690911A CN108690911A CN201810678587.XA CN201810678587A CN108690911A CN 108690911 A CN108690911 A CN 108690911A CN 201810678587 A CN201810678587 A CN 201810678587A CN 108690911 A CN108690911 A CN 108690911A
- Authority
- CN
- China
- Prior art keywords
- cobalt
- nickel
- aqueous solution
- ultra
- chloride
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/22—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition
-
- 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
- C22B23/00—Obtaining nickel or cobalt
- C22B23/04—Obtaining nickel or cobalt by wet processes
- C22B23/0453—Treatment or purification of solutions, e.g. obtained by leaching
-
- 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
- C22B23/00—Obtaining nickel or cobalt
- C22B23/04—Obtaining nickel or cobalt by wet processes
- C22B23/0453—Treatment or purification of solutions, e.g. obtained by leaching
- C22B23/0461—Treatment or purification of solutions, e.g. obtained by leaching by chemical methods
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B23/00—Obtaining nickel or cobalt
- C22B23/04—Obtaining nickel or cobalt by wet processes
- C22B23/0476—Separation of nickel from cobalt
- C22B23/0484—Separation of nickel from cobalt in acidic type solutions
-
- 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
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
-
- 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
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/38—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing phosphorus
- C22B3/384—Pentavalent phosphorus oxyacids, esters thereof
- C22B3/3842—Phosphinic acid, e.g. H2P(O)(OH)
-
- 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
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/38—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing phosphorus
- C22B3/384—Pentavalent phosphorus oxyacids, esters thereof
- C22B3/3844—Phosphonic acid, e.g. H2P(O)(OH)2
-
- 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
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/38—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing phosphorus
- C22B3/384—Pentavalent phosphorus oxyacids, esters thereof
- C22B3/3846—Phosphoric acid, e.g. (O)P(OH)3
-
- 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
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/40—Mixtures
- C22B3/409—Mixtures at least one compound being an organo-metallic compound
-
- 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
Abstract
A kind of cobalt chloride or the ultra-high purity cleaning method of nickel chloride aqueous solution, belong to the ultra-high purity cleaning technical field of chloride salt aqueous solution.Moderate strength or micro- intensity magnetic field is added in extraction process in the cobalt chloride or the ultra-high purity cleaning method of nickel chloride aqueous solution, carries out extraction and separation cobalt, nickel process;The moderate strength or micro- intensity magnetic field, magnetic field intensity H are 0mT<H<500mT.This method changes the existing unordered principle,displacement of extraction and separation technology, using paramagnetic sex differernce, makes to carry out directive orderly displacement between ion and extractant by applying magnetic field, is to carry out extraction and separation cobalt, nickel process under moderate strength or the effect of micro- intensity magnetic field.This method separation cobalt, nickel are with obvious effects and efficient, have the characteristics that efficiently, easily to realize.
Description
Technical field
The present invention relates to the ultra-high purity cleaning technical fields of chloride salt aqueous solution, and in particular to a kind of cobalt chloride or nickel chloride
The ultra-high purity cleaning method of aqueous solution.
Background technology
Cobalt and nickel are the branch of one of national economy and the indispensable important source material of national defense construction and high, precision and frontier technology
Timbering material has in high-technology fields such as battery material, hard high temperature alloy, superalloy, magnetic alloy, catalyst and answers extensively
With, and application range is growing, it is also higher and higher to the purity requirement of cobalt while the demand of cobalt is increasing, by
Period 3 group VIII is belonged in the periodic table of chemical element in two kinds of elements of cobalt and nickel, therefore with many similar physics
Chemical property, and nickel, cobalt have many similarities in mineral deposit in terms of Chang Gongsheng, association chemical property, in raw ore and mineral deposit,
The two often coexists together, in the cobalt resource utilized, usually exists with the element morphology of association, independent cobalt deposits is rare
See, so separation cobalt, nickel, the great attention that high purification causes people is carried out to cobalt.Current main separation method has
Chemical precipitation method, solvent extraction, ion exchange and absorption method and floatation and aqueous two-phase system, Polymer-Salt-Water
Liquid-solid extraction (non-organic solvent liquid-solid extraction) method, oxidation-reduction method etc..Wherein, the classics side such as precipitation, redox, crystallization
Method, easy to operate, technical maturity, but selectivity is not high, and the rate of recovery is unsatisfactory, and solvent extraction technology has Gao Xuan
Selecting property, high-recovery, flow be simple, operation serialization and easily realizes the advantages that automation, it has also become cobalt, nickel separation main work
Industry method, is widely used.But current extraction separating method is detached using the Kinetic differences of the two mostly, that is, is changed
Experiment condition, such as extraction temperature, extraction time, solution pH value, while use different extractants, to reach cobalt, nickel more
Good separating effect, finds through the Searches of Patent Literature, such as patent CN107614711A makes metallic nickel and containing cobalt chloride
Aqueous solution contact contacts it making metallic nickel to go deimpurity method by replacing reaction with the aqueous solution containing cobalt chloride
Before, metallic nickel is washed with pH2.5 Acidic Liquids below, due to washing metallic nickel, metal nickel surface with pH2.5 Acidic Liquids below
Passivating film be removed, contacted with the aqueous solution containing cobalt chloride, then can by replace reaction be precipitated it is more lazy than metallic nickel
The impurity of property, can simply remove impurity, but the separating effect of cobalt nickel is unsatisfactory from the aqueous solution containing cobalt chloride;Again
Such as patent CN107299225A, it is the method for preparing 6N grades of cobalt chlorides using C-272 fractional extractions, fractional extraction separation
NiCaMg/Co detaches Co/CuAlFe series connection with fractional extraction, and fractional extraction detaches the outlet organic phase Supported Co of NiCaMg/Co
Organic phase as fractional extraction detach Co/CuAlFe extraction organic phase, fractional extraction detach Co/CuAlFe outlet water phase
6N grades of cobalt chlorides detach the detergent of NiCaMg/Co as fractional extraction.Smoothly realize that cobalt and nickel, calcium, magnesium, copper, aluminium, iron etc. are golden
Belong to the separation of element, directly prepares 6N grades of cobalt chlorides.Including the above method, existing extraction and separation technology is all to utilize ion
Chemical property and extractant between carry out unordered displacement, be finally reached balance, the change or dynamic of sequence be separated by extraction
Mechanics difference carries out the purification of cobalt chloride, nickel solution.However in fact some ions, such as cobalt, nickel ion and its complex ion
It is to have paramagnetic, and there are larger differences.A kind of cobalt chloride or the ultra-high purity cleaning method of nickel chloride aqueous solution of the present invention,
Change the unordered principle,displacement of existing extraction and separation technology, using paramagnetic sex differernce, by apply magnetic field make ion and extractant it
Between it is directive orderly replaced, and then efficiently separate.
Invention content
The object of the present invention is to provide a kind of cobalt chloride or the ultra-high purity cleaning methods of nickel chloride aqueous solution, this is ultra-high purity cleaning
Method is to carry out extraction and separation cobalt, nickel process under moderate strength or the effect of micro- intensity magnetic field.It is bright that this method detaches cobalt, nickel effect
It is aobvious and efficient, have the characteristics that efficiently, easily to realize.
A kind of cobalt chloride or the ultra-high purity cleaning method of nickel chloride aqueous solution of the present invention is added medium in extraction process
Intensity or micro- intensity magnetic field carry out extraction and separation cobalt, nickel process;The moderate strength or micro- intensity magnetic field, magnetic field intensity H are
0mT<H<500mT。
The moderate strength or micro- intensity magnetic field are obtained by magnet or induction coil.
The magnetic field intensity H is preferably 300mT~400mT.
A kind of cobalt chloride or the ultra-high purity cleaning method of nickel chloride aqueous solution of the present invention, is as follows:
(1) preparation and saponification of organic extractant
Extractant is added in organic solvent, the extractant organic solution that volumetric concentration is 5%-25% is prepared;
In the extractant organic solution for being 5%-25% to volumetric concentration, lye is added, stirs evenly, it is organic to extractant
Solution carries out saponification, obtains the Saponified Extractants that saponification rate is 50%-70%;
The extractant is P204, P507, one or more of Cyanex-272 or M5640 mixing;
The organic solvent is sulfonated kerosene;
(2) extraction process
To the cobalt chloride or nickel chloride aqueous solution of checked for impurities content, pH≤5.5 are adjusted, are 50%- with saponification rate
70% Saponified Extractants are mixed, and are placed in oscillator, in magnetic field environment, after vibrating 30 ± 10min, are stood under two
Two-phase laminated flow is carried out after apparent layering, obtains aqueous phase extracted and extraction organic phase;Wherein, magnetic field intensity H be 0mT < H≤
500mT;
(3) it is stripped process
The extraction organic phase and mixed in hydrochloric acid that will be obtained, are placed in oscillator, after carrying out 15 ± 10min of back extraction oscillation,
It stands after having apparent layering to two-phase, carries out two-phase laminated flow, obtain strip aqueous and back extraction organic phase;Wherein, by volume
Than organic phase:Hydrochloric acid=10:(1~2);
(4) metal element content in strip aqueous is measured, the cobalt chloride or nickel chloride of high purification are obtained.
In the step (1), the lye is ammonium hydroxide or sodium hydroxide, and the molar concentration of lye is 1mol/L-
10mol/L。
In the step (2), in cobalt chloride solution, the metal component and each metal component that contain in aqueous solution account for
Always the mass percentage of metal component is:The mass percentage 95%-99.99% of cobalt, the mass percentage of nickel are
0.001%-5%, surplus are impurity;
In nickel chloride aqueous solution, the metal component and each metal component that contain in aqueous solution account for the quality of total metal component
Percentage composition is:The mass percentage of the mass percentage 95%-99.99% of nickel, cobalt are 0.001%-5%, and surplus is
Impurity;
In the step (2), hunting speed is 100~300r/min, ensures to be uniformly mixed;
In the step (2), time of repose is preferably 15 ± 5min, and described resting in separatory funnel carries out.
In the step (2), the method for the adjusting pH value is that hydrochloric acid is added.
In the step (2), the detection method of cobalt chloride or nickel chloride aqueous solution impurity content, using Atomic absorption point
Light photometer measuring method.
In the step (2), the magnetic field environment is provided by externally-applied magnetic field, specially magnetic induction coil or magnet,
Preferably, magnetic field intensity is 300mT~400mT.
In the step (2), the extraction process carries out at room temperature.
In the step (3), the hunting speed of oscillator is 100r/min~300r/min;
In the step (3), the molar concentration of the hydrochloric acid is 1mol/L~5mol/L.
In the step (3), described resting in separatory funnel carries out, and time of repose is preferably 10 ± 5min.
In the step (3), the back extraction process carries out at room temperature.
In the step (4), the process of the metal ion content in strip aqueous is measured, specially:Back extraction water intaking
It is added to deionized water to be diluted, concentration dilution to 0.1 μ g/mL-5 μ g/mL, reuses atomic absorption spectrophotometer progress
The measurement of metal atom content.
A kind of cobalt chloride or the ultra-high purity cleaning method of nickel chloride aqueous solution of the present invention, extraction and separation technology are all to utilize
Unordered displacement is carried out between the chemical property and extractant of ion, is finally reached balance.In chloride system, cobalt, nickel are with sun
Ion or hydrated cation form exist, and cobalt, nickel are extracted in this solution, mostly uses acidic extractant, are handed over by cation
It changes reaction to be extracted, reaction equation is as follows:
However in fact some ions, such as cobalt, nickel ion and its complex ion are that have paramagnetic, and there are larger
(the extranuclear electron arrangement of the two is distinguishing to difference, and the outermost electron number of cobalt is 1, and the outermost electron number of nickel is
2, for the 3d states of cobalt there are three vacancy, the 3d states of nickel have two vacancy.If making the electron spin magnetic moments of filling by being collectively aligned
Get up, it will obtain larger magnetic moment, theoretically, cobalt has 3 μ B, nickel there are 2 μ B, this has resulted in the two in the induction in magnetic field
Difference).The present invention utilizes paramagnetic sex differernce, makes directive between ion and extractant orderly to be set by applying magnetic field
It changes, and then efficiently separates.
A kind of cobalt chloride of present invention offer or the ultra-high purity cleaning method of nickel chloride aqueous solution, have the following advantages that:
1, the present invention has cobalt nickel separating effect apparent, and experiment condition is easy to implement.
2, the present invention can promote the separation of cobalt nickel, increase the separation of cobalt nickel, reach and remove nickel to cobalt chloride solution
The effect of equal impurity, further increases the purity to cobalt chloride solution.
3, the present invention can be conducive to remove impurity simultaneously to a certain extent, promote point of the cobalt with other foreign metals
From impurity content in reduction cobalt chloride solution.
Description of the drawings
Fig. 1 is cobalt chloride or the ultra-high purity cleaning method and process flow chart element of nickel chloride aqueous solution in the embodiment of the present invention
Figure.
Specific implementation mode
With reference to embodiment, the present invention is described in further detail.
In following embodiment, remove specified otherwise, the raw material and equipment of use be it is purchased in market, the purity of raw material be analyze it is pure and
More than.
In following embodiment, cobalt chloride or the ultra-high purity cleaning method and process flow diagram of nickel chloride aqueous solution are shown in Fig. 1.
Embodiment 1
A kind of ultra-high purity cleaning method of cobalt chloride solution, carries out according to the following steps:
(1) prepare
1. the preparation and saponification of organic extractant:By 10mL high-purity extractant cyanex-272 (purity 99wt.%)
It is added in 90mL sulfonated kerosenes, prepares the extractant organic solution that volumetric concentration is 10%;
In the extractant organic solution for being 10% to volumetric concentration, the sodium hydroxide lye of 1mol/L is added, at room temperature, adopts
It with heat collecting type constant-temperature heating magnetic stirring apparatus, stirs evenly, obtains the Saponified Extractants that saponification rate is 60%.
2. the preparation of impure cobalt chloride simulation aqueous solution:The cobalt chloride simulation aqueous solution of the known impurities is pure by analyzing
CoCl2,NiCl2,MgCl2,MnCl2,CuCl2,ZnCl2,FeCl2Mixed preparing, specially:
The cobalt chloride of known concentration is dissolved in deionized water, while a certain amount of impurity is added, impurity is all with chloride
Form is added, and the mass percent of the metal component and each metal component that contain is:Co is 98.88%, Ni 0.187%,
Mg is 0.187%, Mn 0.187%, Cu 0.187%, Zn 0.187%, Fe 0.187%.
(2) extraction process
At room temperature, hydrochloric acid is added to the impure cobalt chloride simulation aqueous solution configured and carries out pH adjustings, until pH=4.5,
The Saponified Extractants for being again 60% with saponification rate are mixed, and are placed it in speed governing and be mostly used in oscillator, are provided by magnet
Magnetic field intensity be 300mT environment in, vibrated under 180r/min constant speeds, vibrate 30min after, pour into separatory funnel
Middle standing 10min carries out two-phase laminated flow after two-phase has apparent layering, obtains aqueous phase extracted and extraction organic phase.
(3) the back extraction process of organic phase
At room temperature, obtained extraction organic phase is mixed with the hydrochloric acid of 2.5mol/L, and places it in oscillator
In, it is vibrated under 180r/min constant speeds, vibrates 15min, stand 10min, two are carried out after two-phase has apparent layering
Phase separation obtains strip aqueous and back extraction organic phase, waits for further detection level.Wherein, by volume, it extracts organic
Phase:Hydrochloric acid=10:1;
(4) tenor measures
By strip aqueous obtained above, i.e., high-purity cobalt chloride solution carries out the dilution of different multiples with deionized water,
It is 0.1 μ g/mL-5 μ g/mL metal chloride solutions to obtain tenor, and tenor is carried out with atomic absorption spectrophotometer
Measurement, and calculate cobalt nickel concentration in solution and obtain result than the i.e. value of Co/Ni:Co/Ni=9530, relative to no magnetic field feelings
The value of condition Co/Ni increases nearly 950 times, has achieved the purpose that purified solution.
Embodiment 2
A kind of ultra-high purity cleaning method of cobalt chloride solution, under magnetic fields, room temperature, extraction and separation cobalt, nickel.With implementation
Example 1, difference is:
(1) 15mL high-purity extractants cyanex-272 is added in 85mL sulfonated kerosenes, it is 15% to prepare volumetric concentration
Saponified Extractants, other experiment conditions are identical, and calculate cobalt nickel concentration in solution and obtain result than the i.e. value of Co/Ni:Co/
Ni=10960 increases nearly 1100 times, has achieved the purpose that purified solution relative to the value of no magnetic field conditions Co/Ni.
Embodiment 3
A kind of ultra-high purity cleaning method of cobalt chloride solution, under magnetic fields, room temperature, extraction and separation cobalt, nickel.With implementation
Example 1, difference is:
(1) 20mL high-purity extractants cyanex-272 is added in 80mL sulfonated kerosenes, it is 20% to prepare volumetric concentration
Saponified Extractants, other experiment conditions are identical, and calculate cobalt nickel concentration in solution and obtain result than the i.e. value of Co/Ni:Co/
Ni=13200 increases nearly 1400 times, has achieved the purpose that purified solution relative to the value of no magnetic field conditions Co/Ni.
Embodiment 4
A kind of ultra-high purity cleaning method of cobalt chloride solution, under magnetic fields, room temperature, extraction and separation cobalt, nickel.With implementation
Example 1, difference is:
(1) 25mL high-purity extractants cyanex-272 is added in 75mL sulfonated kerosenes, it is 25% to prepare volumetric concentration
Saponified Extractants, other experiment conditions are identical, and calculate cobalt nickel concentration in solution and obtain result than the i.e. value of Co/Ni:Co/
Ni=7900 increases nearly 1000 times, has achieved the purpose that purified solution relative to the value of no magnetic field conditions Co/Ni.
Embodiment 5
A kind of ultra-high purity cleaning method of cobalt chloride solution, carries out according to the following steps:
(1) prepare
1. the preparation and saponification of organic extractant:85mL sulfonated kerosenes are added in 15mL high-purity extractants cyanex-272
In, prepare the extractant organic solution that volumetric concentration is 15%;The sodium hydroxide lye of 1mol/L is added, at room temperature, stirring is equal
It is even, obtain the Saponified Extractants that saponification rate is 60%.
2. the preparation of impure cobalt chloride simulation aqueous solution:The cobalt chloride simulation aqueous solution of the known impurities is pure by analyzing
CoCl2,NiCl2,MgCl2,MnCl2,CuCl2,ZnCl2,FeCl2Mixed preparing, specially:
The cobalt chloride of known concentration is dissolved in deionized water, while a certain amount of impurity is added, impurity is all with chloride
Form is added, and it is 98.88%, Ni that the mass percent that the metal component and each metal component contained accounts for total metal component, which is Co,
For 0.187%, Mg 0.187%, Mn 0.187%, Cu 0.187%, Zn 0.187%, Fe 0.187%.
(2) extraction process
At room temperature, hydrochloric acid is added to the impure cobalt chloride simulation aqueous solution configured and carries out pH adjustings, until pH=5.0,
It is that 60% Saponified Extractants are mixed, and are placed it in oscillator with saponification rate again, in micro- magnetic that magnetic field intensity is 300mT
It in, is vibrated under 160r/min constant speeds, after vibrating 30min, pours into and stand 10min in separatory funnel, wait for two-phase
Two-phase laminated flow is carried out after having apparent layering, obtains aqueous phase extracted and extraction organic phase.
(3) the back extraction process of organic phase
At room temperature, obtained extraction organic phase is mixed with the hydrochloric acid of 2.5mol/L, and places it in oscillator
In, it is vibrated under 160r/min constant speeds, vibrates 15min, stand 10min, two are carried out after two-phase has apparent layering
Phase separation obtains strip aqueous and back extraction organic phase, waits for further detection level.Wherein, by volume, it extracts organic
Phase:Hydrochloric acid=10:1;
(4) tenor measures
By above-mentioned strip aqueous, i.e., high-purity cobalt chloride solution carries out the dilution of different multiples with deionized water, obtains gold
Category content is 0.1 μ g/mL-5 μ g/mL metal chloride solutions, and the measurement of tenor is carried out with atomic absorption spectrophotometer,
And it calculates cobalt nickel concentration in solution and obtains result than the i.e. value of Co/Ni:Co/Ni=8560, relative to no magnetic field conditions Co/Ni
Value, increase nearly 1500 times, achieved the purpose that purified solution.
Embodiment 6
A kind of ultra-high purity cleaning method of cobalt chloride solution, under magnetic fields, room temperature, extraction and separation cobalt, nickel.With implementation
Example 5, difference is:
(1) pH adjustings are carried out to the impure cobalt chloride simulation aqueous solution configured, until pH=5.5, then be with saponification rate
60% Saponified Extractants are mixed, other experiment conditions are identical, and are calculated cobalt nickel concentration in solution and obtained than the i.e. value of Co/Ni
To result:Co/Ni=6760 increases nearly 900 times, has reached the mesh of purified solution relative to the value of no magnetic field conditions Co/Ni
's.
Embodiment 7
A kind of ultra-high purity cleaning method of cobalt chloride solution, carries out according to the following steps:
(1) prepare
1. the preparation and saponification of organic extractant:85mL sulfonated kerosenes are added in 15mL high-purity extractants cyanex-272
In, prepare the Saponified Extractants that volumetric concentration is 15%;The sodium hydroxide lye that 1mol/L is added stirs evenly at room temperature, obtains
It is 60% Saponified Extractants to saponification rate.
2. the preparation of impure cobalt chloride simulation aqueous solution:The cobalt chloride simulation aqueous solution of the known impurities is pure by analyzing
CoCl2,NiCl2,MgCl2,MnCl2,CuCl2,ZnCl2,FeCl2Mixed preparing, specially:
The cobalt chloride of known concentration is dissolved in deionized water, while a certain amount of impurity is added, impurity is all with chloride
Form is added, and the mass percent of the metal component and each metal component that contain is:Co is 98.88%, Ni 0.187%,
Mg is 0.187%, Mn 0.187%, Cu 0.187%, Zn 0.187%, Fe 0.187%.
(2) extraction process
At room temperature, pH adjustings are carried out to the impure cobalt chloride simulation aqueous solution configured, until pH=5.0, then with saponification
Rate is that 60% Saponified Extractants are mixed, and are placed it in the oscillator that magnetic field intensity is 200mT, constant in 100r/min
It is vibrated under speed, after vibrating 30min, pours into and stand 10min in separatory funnel, two-phase is carried out after two-phase has apparent layering
Separation obtains aqueous phase extracted and extraction organic phase.
(3) the back extraction process of organic phase
At room temperature, obtained extraction organic phase is mixed with the hydrochloric acid of 2.5mol/L, and places it in oscillator
In, it is vibrated under 100r/min constant speeds, vibrates 15min, stand 10min, two are carried out after two-phase has apparent layering
Phase separation obtains strip aqueous and back extraction organic phase, waits for further detection level.Wherein, by volume, it extracts organic
Phase:Hydrochloric acid=10:1;
(4) tenor measures
By above-mentioned strip aqueous to get to high-purity cobalt chloride solution, the dilution of different multiples is carried out with deionized water,
It is 0.1 μ g/mL-5 μ g/mL metal chloride solutions to obtain tenor, and tenor is carried out with atomic absorption spectrophotometer
Measurement, and calculate cobalt nickel concentration in solution and obtain result than the i.e. value of Co/Ni:Co/Ni=7290, relative to no magnetic field feelings
The value of condition Co/Ni increases nearly 800 times, has achieved the purpose that purified solution.
Embodiment 8
A kind of ultra-high purity cleaning method of cobalt chloride solution, under magnetic fields, room temperature, extraction and separation cobalt, nickel.With implementation
Example 7, difference is:
(1) the impure cobalt chloride configured simulation aqueous solution is mixed with Saponified Extractants, is placed in magnetic field intensity
To be extracted in the oscillator of 250mT, other experiment conditions are identical, and calculate in solution cobalt nickel concentration than the i.e. value of Co/Ni,
Obtain result:Co/Ni=8440 increases nearly 900 times, has reached purified solution relative to the value of no magnetic field conditions Co/Ni
Purpose.
Embodiment 9
A kind of ultra-high purity cleaning method of cobalt chloride solution, under magnetic fields, room temperature, extraction and separation cobalt, nickel.With implementation
Example 7, difference is:
(1) the impure cobalt chloride configured simulation aqueous solution is mixed with Saponified Extractants, is placed in magnetic field intensity
To be extracted in the oscillator of 350mT, other experiment conditions are identical, and calculate in solution cobalt nickel concentration than the i.e. value of Co/Ni,
Obtain result:Co/Ni=14200 increases nearly 1100 times, has reached purified solution relative to the value of no magnetic field conditions Co/Ni
Purpose.
Embodiment 10
A kind of ultra-high purity cleaning method of cobalt chloride solution, under magnetic fields, room temperature, extraction and separation cobalt, nickel.With implementation
Example 7, difference is:
(1) the impure cobalt chloride configured simulation aqueous solution is mixed with Saponified Extractants, is placed in magnetic field intensity
To be extracted in the oscillator of 400mT, other experiment conditions are identical, and calculate in solution cobalt nickel concentration than the i.e. value of Co/Ni,
Obtain result:Co/Ni=13830 increases nearly 1000 times, has reached purified solution relative to the value of no magnetic field conditions Co/Ni
Purpose.
Embodiment 11
A kind of ultra-high purity cleaning method of cobalt chloride solution, under magnetic fields, room temperature, extraction and separation cobalt, nickel.With implementation
Example 7, difference is:
(1) the impure cobalt chloride configured simulation aqueous solution is mixed with Saponified Extractants, is placed in magnetic field intensity
To be extracted in the oscillator of 450mT, other experiment conditions are identical, and calculate in solution cobalt nickel concentration than the i.e. value of Co/Ni,
Obtain result:Co/Ni=10050 increases nearly 860 times, has reached purified solution relative to the value of no magnetic field conditions Co/Ni
Purpose.
Embodiment 12
A kind of ultra-high purity cleaning method of cobalt chloride solution, under magnetic fields, room temperature, extraction and separation cobalt, nickel.By following
Step carries out:
(1) prepare
1. the preparation and saponification of organic extractant:10mL high-purity extractants P204 is added in 90mL sulfonated kerosenes, system
The extractant organic solution that standby volumetric concentration is 10%;The sodium hydroxide lye of a certain amount of 1mol/L is added, at room temperature, stirring
Uniformly, the Saponified Extractants that saponification rate is 60% are obtained.
2. the preparation of impure cobalt chloride simulation aqueous solution:The cobalt chloride simulation aqueous solution of the known impurities is pure by analyzing
CoCl2,NiCl2,MgCl2,MnCl2,CuCl2,ZnCl2,FeCl2Mixed preparing, specially:
The cobalt chloride of known concentration is dissolved in deionized water, while a certain amount of impurity is added, impurity is all with chloride
Form is added, and the mass percent that the metal component and each metal component contained accounts for total metal component quality is that Co is
98.88%, Ni 0.187%, Mg 0.187%, Mn 0.187%, Cu 0.187%, Zn 0.187%, Fe are
0.187%.
(2) extraction process
At room temperature, hydrochloric acid is added to the impure cobalt chloride simulation aqueous solution configured and carries out pH adjustings, until pH=1.5,
It is that 60% Saponified Extractants are mixed, and are placed it in the oscillator that magnetic field intensity is 300mT with saponification rate again,
It is vibrated under 200r/min constant speeds, after vibrating 30min, pours into and stand 10min in separatory funnel, wait for that two-phase has apparent point
Two-phase laminated flow is carried out after layer, obtains aqueous phase extracted and extraction organic phase.
(3) the back extraction process of organic phase
At room temperature, obtained extraction organic phase is mixed with the hydrochloric acid of 2.5mol/L, and places it in oscillator
In, it is vibrated under 200r/min constant speeds, vibrates 15min, stand 10min, two are carried out after two-phase has apparent layering
Phase separation obtains strip aqueous and back extraction organic phase, waits for further detection level.Wherein, by volume, it extracts organic
Phase:Hydrochloric acid=10:1;
(4) tenor measures
By above-mentioned strip aqueous, i.e., high-purity cobalt chloride solution carries out the dilution of different multiples with deionized water, obtains gold
Category content is 0.1 μ g/mL-5 μ g/mL metal chloride solutions, and the measurement of tenor is carried out with atomic absorption spectrophotometer,
And it calculates cobalt nickel concentration in solution and obtains result than the i.e. value of Co/Ni:Co/Ni=490, relative to no magnetic field conditions Co/Ni's
Value, increases nearly 40 times, has achieved the purpose that purified solution.
Embodiment 13
A kind of ultra-high purity cleaning method of cobalt chloride solution, under magnetic fields, room temperature, extraction and separation cobalt, nickel.With implementation
Example 12, difference is:
(1) 15mL high-purity extractants P204 is added in 85mL sulfonated kerosenes, prepares the extraction that volumetric concentration is 15%
Agent organic solution, other experiment conditions are identical, and calculate cobalt nickel concentration in solution and obtain result than the i.e. value of Co/Ni:Co/Ni
=610, relative to the value of no magnetic field conditions Co/Ni, nearly 50 times are increased, has achieved the purpose that purified solution.
Embodiment 14
A kind of ultra-high purity cleaning method of cobalt chloride solution, under magnetic fields, room temperature, extraction and separation cobalt, nickel.With implementation
Example 12, difference is:
(1) 20mL high-purity extractants P204 is added in 80mL sulfonated kerosenes, prepares the extraction that volumetric concentration is 20%
Agent organic solution, other experiment conditions are identical, and calculate cobalt nickel concentration in solution and obtain result than the i.e. value of Co/Ni:Co/Ni
=610, relative to the value of no magnetic field conditions Co/Ni, nearly 50 times are increased, has achieved the purpose that purified solution.
Embodiment 15
A kind of ultra-high purity cleaning method of cobalt chloride solution, under magnetic fields, room temperature, extraction and separation cobalt, nickel.By following
Step carries out:
(1) prepare
1. the preparation and saponification of organic extractant:15mL high-purity extractants P204 is added in 85mL sulfonated kerosenes, system
The extractant organic solution that standby volumetric concentration is 15%;The sodium hydroxide lye of a certain amount of 1mol/L is added, at room temperature, stirring
Uniformly, the Saponified Extractants that saponification rate is 60% are obtained.
2. the preparation of impure cobalt chloride simulation aqueous solution:The cobalt chloride simulation aqueous solution of the known impurities is pure by analyzing
CoCl2,NiCl2,MgCl2,MnCl2,CuCl2,ZnCl2,FeCl2Mixed preparing, specially:
The cobalt chloride of known concentration is dissolved in deionized water, while a certain amount of impurity is added, impurity is all with chloride
Form is added, and it is 98.88%, Ni that the mass percent that the metal component and each metal component contained accounts for total metal component, which is Co,
For 0.187%, Mg 0.187%, Mn 0.187%, Cu 0.187%, Zn 0.187%, Fe 0.187%.
(2) extraction process
At room temperature, hydrochloric acid is added to the impure cobalt chloride simulation aqueous solution configured and carries out pH adjustings, until pH=2.0,
It is that 60% Saponified Extractants are mixed, and are placed it in the oscillator that magnetic field intensity is 300mT with saponification rate again,
It is vibrated under 300r/min constant speeds, after vibrating 30min, pours into and stand 10min in separatory funnel, wait for that two-phase has apparent point
Two-phase laminated flow is carried out after layer, obtains aqueous phase extracted and extraction organic phase.
(3) the back extraction process of organic phase
At room temperature, obtained extraction organic phase is mixed with the hydrochloric acid of 2.5mol/L, and places it in oscillator
In, it is vibrated under 300r/min constant speeds, vibrates 15min, stand 10min, two are carried out after two-phase has apparent layering
Phase separation obtains strip aqueous and back extraction organic phase, waits for further detection level.Wherein, by volume, it extracts organic
Phase:Hydrochloric acid=10:1;
(4) tenor measures
By above-mentioned strip aqueous, i.e., high-purity cobalt chloride solution carries out the dilution of different multiples with deionized water, obtains gold
Category content is 0.1 μ g/mL-5 μ g/mL metal chloride solutions, and the measurement of tenor is carried out with atomic absorption spectrophotometer,
And it calculates cobalt nickel concentration in solution and obtains result than the i.e. value of Co/Ni:Co/Ni=950, relative to no magnetic field conditions Co/Ni's
Value, increases nearly 100 times, has achieved the purpose that purified solution.
Embodiment 16
A kind of ultra-high purity cleaning method of cobalt chloride solution, under magnetic fields, room temperature, extraction and separation cobalt, nickel.With implementation
Example 15, difference is:
(1) pH adjustings are carried out to the impure cobalt chloride simulation aqueous solution configured, until pH=2.5, then be with saponification rate
60% Saponified Extractants are mixed, other experiment conditions are identical, and are calculated cobalt nickel concentration in solution and obtained than the i.e. value of Co/Ni
To result:Co/Ni=830 increases nearly 80 times, has reached the mesh of purified solution relative to the value of no magnetic field conditions Co/Ni
's.
Embodiment 17
A kind of ultra-high purity cleaning method of cobalt chloride solution, under magnetic fields, room temperature, extraction and separation cobalt, nickel.By following
Step carries out:
(1) prepare
1. the preparation and saponification of organic extractant:15mL high-purity extractants P204 is added in 85mL sulfonated kerosenes, system
The extractant organic solution that standby volumetric concentration is 15%;The sodium hydroxide lye of a certain amount of 1mol/L is added, at room temperature, stirring
Uniformly, the Saponified Extractants that saponification rate is 60% are obtained.
2. the preparation of impure cobalt chloride simulation aqueous solution:The cobalt chloride simulation aqueous solution of the known impurities is pure by analyzing
CoCl2,NiCl2,MgCl2,MnCl2,CuCl2,ZnCl2,FeCl2Mixed preparing, specially:
The cobalt chloride of known concentration is dissolved in deionized water, while a certain amount of impurity is added, impurity is all with chloride
Form is added, and the mass percent that the metal component and each metal component contained accounts for total metal component is:Co is 98.88%,
Ni is 0.187%, Mg 0.187%, Mn 0.187%, Cu 0.187%, Zn 0.187%, Fe 0.187%.
(2) extraction process
At room temperature, pH adjustings are carried out to the impure cobalt chloride simulation aqueous solution configured, until pH=2.0, then with saponification
The Saponified Extractants that rate is 60%, volumetric concentration is 10% are mixed, and place it in the oscillator that magnetic field intensity is 250mT
In, it is vibrated under 150r/min constant speeds, after vibrating 30min, pours into and stand 10min in separatory funnel, wait for that two-phase has
Two-phase laminated flow is carried out after apparent layering, obtains aqueous phase extracted and extraction organic phase.
(3) the back extraction process of organic phase
At room temperature, obtained extraction organic phase is mixed with the hydrochloric acid of 2.5mol/L, and places it in oscillator
In, it is vibrated under 200r/min constant speeds, vibrates 15min, stand 10min, two are carried out after two-phase has apparent layering
Phase separation obtains strip aqueous and back extraction organic phase, waits for further detection level.Wherein, by volume, it extracts organic
Phase:Hydrochloric acid=10:1;
(4) tenor measures
By above-mentioned strip aqueous to get to high-purity cobalt chloride solution, the dilution of different multiples is carried out with deionized water,
It is 0.1 μ g/mL-5 μ g/mL metal chloride solutions to obtain tenor, and tenor is carried out with atomic absorption spectrophotometer
Measurement, and calculate cobalt nickel concentration in solution and obtain result than the i.e. value of Co/Ni:Co/Ni=760, relative to no magnetic field conditions
The value of Co/Ni increases nearly 60 times, has achieved the purpose that purified solution.
Embodiment 18
A kind of ultra-high purity cleaning method of cobalt chloride solution, under magnetic fields, room temperature, extraction and separation cobalt, nickel.With implementation
Example 17, difference is:
(1) the impure cobalt chloride configured simulation aqueous solution is mixed with Saponified Extractants, is placed in magnetic field intensity
To be extracted in the oscillator of 350mT, other experiment conditions are identical and calculate in solution cobalt nickel concentration than the i.e. value of Co/Ni,
Obtain result:Co/Ni=780 increases nearly 80 times, has reached the mesh of purified solution relative to the value of no magnetic field conditions Co/Ni
's.
Embodiment 19
A kind of ultra-high purity cleaning method of cobalt chloride solution, under magnetic fields, room temperature, extraction and separation cobalt, nickel.With implementation
Example 18, difference is:
(1) the impure cobalt chloride configured simulation aqueous solution is mixed with Saponified Extractants, is placed in magnetic field intensity
To be extracted in the oscillator of 400mT, other experiment conditions are identical and calculate in solution cobalt nickel concentration than the i.e. value of Co/Ni,
Obtain result:Co/Ni=640 increases nearly 50 times, has reached the mesh of purified solution relative to the value of no magnetic field conditions Co/Ni
's.
Embodiment 20
A kind of ultra-high purity cleaning method of cobalt chloride solution, under magnetic fields, room temperature, extraction and separation cobalt, nickel.By following
Step carries out:
(1) prepare
1. the preparation and saponification of organic extractant:10mL high-purity extractants P507 is added in 90mL sulfonated kerosenes, system
The extractant organic solution that standby volumetric concentration is 10%;The sodium hydroxide lye of a certain amount of 1mol/L is added, at room temperature, stirring
Uniformly, the Saponified Extractants that saponification rate is 60% are obtained.
2. the preparation of impure cobalt chloride simulation aqueous solution:The cobalt chloride simulation aqueous solution of the known impurities is pure by analyzing
CoCl2,NiCl2,MgCl2,MnCl2,CuCl2,ZnCl2,FeCl2Mixed preparing, specially:
The cobalt chloride of known concentration is dissolved in deionized water, while a certain amount of impurity is added, impurity is all with chloride
Form is added, and it is 98.88%, Ni that the mass percent that the metal component and each metal component contained accounts for total metal component, which is Co,
For 0.187%, Mg 0.187%, Mn 0.187%, Cu 0.187%, Zn 0.187%, Fe 0.187%.
(2) extraction process
At room temperature, hydrochloric acid is added to the impure cobalt chloride simulation aqueous solution configured and carries out pH adjustings, until pH=3.5,
Be again 60% with saponification rate, the Saponified Extractants that volumetric concentration is 10% are mixed, and place it in magnetic field intensity be 300mT
Oscillator in, vibrated under 180r/min constant speeds, vibrate 30min after, pour into and stand 10min in separatory funnel,
Two-phase laminated flow is carried out after two-phase has apparent layering, obtains aqueous phase extracted and extraction organic phase.
(3) the back extraction process of organic phase
At room temperature, obtained extraction organic phase is mixed with the hydrochloric acid of 2.5mol/L, and places it in oscillator
In, it is vibrated under 180r/min constant speeds, vibrates 15min, stand 10min, two are carried out after two-phase has apparent layering
Phase separation obtains strip aqueous and back extraction organic phase, waits for further detection level.Wherein, by volume, it extracts organic
Phase:Hydrochloric acid=10:1;
(4) tenor measures
By above-mentioned strip aqueous, i.e., high-purity cobalt chloride solution carries out the dilution of different multiples with deionized water, obtains gold
Category content is 0.1 μ g/mL-5 μ g/mL metal chloride solutions, and the measurement of tenor is carried out with atomic absorption spectrophotometer
And it calculates cobalt nickel concentration in solution and obtains result than the i.e. value of Co/Ni:Co/Ni=1690, relative to no magnetic field conditions Co/Ni
Value, increase nearly 140 times, achieved the purpose that purified solution.
Embodiment 21
A kind of ultra-high purity cleaning method of cobalt chloride solution, under magnetic fields, room temperature, extraction and separation cobalt, nickel.With implementation
Example 20, difference is:
(1) 15mL high-purity extractants P507 is added in 85mL sulfonated kerosenes, prepares the extraction that volumetric concentration is 15%
Agent organic solution, other experiment conditions are identical, and calculate cobalt nickel concentration in solution and obtain result than the i.e. value of Co/Ni:Co/Ni
=2120, relative to the value of no magnetic field conditions Co/Ni, nearly 120 times are increased, has achieved the purpose that purified solution.
Embodiment 22
A kind of ultra-high purity cleaning method of cobalt chloride solution, under magnetic fields, room temperature, extraction and separation cobalt, nickel.With implementation
Example 20, difference is:
(1) 20mL high-purity extractants P507 is added in 80mL sulfonated kerosenes, prepares the extraction that volumetric concentration is 20%
Agent organic solution, other experiment conditions are identical, and calculate cobalt nickel concentration in solution and obtain result than the i.e. value of Co/Ni:Co/Ni
=2600, relative to the value of no magnetic field conditions Co/Ni, nearly 130 times are increased, has achieved the purpose that purified solution.
Embodiment 23
A kind of ultra-high purity cleaning method of cobalt chloride solution, under magnetic fields, room temperature, extraction and separation cobalt, nickel.By following
Step carries out:
(1) prepare
1. the preparation and saponification of organic extractant:15mL high-purity extractants P507 is added in 85mL sulfonated kerosenes, system
The extractant organic solution that standby volumetric concentration is 15%;The sodium hydroxide lye of a certain amount of 1mol/L is added, at room temperature, stirring
Uniformly, the Saponified Extractants that saponification rate is 60% are obtained.
2. the preparation of impure cobalt chloride simulation aqueous solution:The cobalt chloride simulation aqueous solution of the known impurities is pure by analyzing
CoCl2,NiCl2,MgCl2,MnCl2,CuCl2,ZnCl2,FeCl2Mixed preparing, specially:
The cobalt chloride of known concentration is dissolved in deionized water, while a certain amount of impurity is added, impurity is all with chloride
Form is added, and it is 98.88%, Ni that the mass percent that the metal component and each metal component contained accounts for total metal component, which is Co,
For 0.187%, Mg 0.187%, Mn 0.187%, Cu 0.187%, Zn 0.187%, Fe 0.187%.
(2) extraction process
At room temperature, hydrochloric acid is added to the impure cobalt chloride simulation aqueous solution configured and carries out pH adjustings, until pH=4.0,
Be again 60% with saponification rate, the Saponified Extractants that volumetric concentration is 15% are mixed, and place it in magnetic field intensity be 300mT
Oscillator in, vibrated under 180r/min constant speeds, vibrate 30min after, pour into and stand 10min in separatory funnel,
Two-phase laminated flow is carried out after two-phase has apparent layering, obtains aqueous phase extracted and extraction organic phase.
(3) the back extraction process of organic phase
At room temperature, obtained extraction organic phase is mixed with the hydrochloric acid of 2.5mol/L, and places it in oscillator
In, it is vibrated under 220r/min constant speeds, vibrates 15min, stand 10min, two are carried out after two-phase has apparent layering
Phase separation obtains strip aqueous and back extraction organic phase, waits for further detection level.Wherein, by volume, it extracts organic
Phase:Hydrochloric acid=10:1;
(4) tenor measures
By above-mentioned strip aqueous, i.e., high-purity cobalt chloride solution carries out the dilution of different multiples with deionized water, obtains gold
Category content is 0.1 μ g/mL-5 μ g/mL metal chloride solutions, and the measurement of tenor is carried out with atomic absorption spectrophotometer,
And it calculates cobalt nickel concentration in solution and obtains result than the i.e. value of Co/Ni:Co/Ni=3570, relative to no magnetic field conditions Co/Ni
Value, increase nearly 180 times, achieved the purpose that purified solution.
Embodiment 24
A kind of ultra-high purity cleaning method of cobalt chloride solution, under magnetic fields, room temperature, extraction and separation cobalt, nickel.With implementation
Example 23, difference is:
(1) pH adjustings are carried out to the impure cobalt chloride simulation aqueous solution configured, until pH=4.5, then with saponification rate
60%, the Saponified Extractants that volumetric concentration is 15% are mixed, other experiment conditions are identical, and calculate cobalt nickel concentration in solution
Than the value for being Co/Ni, result is obtained:Co/Ni=3320 increases nearly 80 times, reaches relative to the value of no magnetic field conditions Co/Ni
The purpose of purified solution is arrived.
Embodiment 25
A kind of ultra-high purity cleaning method of cobalt chloride solution, under magnetic fields, room temperature, extraction and separation cobalt, nickel.By following
Step carries out:
(1) prepare
1. the preparation and saponification of organic extractant:15mL high-purity extractants P507 is added in 85mL sulfonated kerosenes, system
The extractant organic solution that standby volumetric concentration is 15%;The sodium hydroxide lye of a certain amount of 1mol/L is added, at room temperature, stirring
Uniformly, it is 60% Saponified Extractants to obtain saponification rate.
2. the preparation of impure cobalt chloride simulation aqueous solution:The cobalt chloride simulation aqueous solution of the known impurities is pure by analyzing
CoCl2,NiCl2,MgCl2,MnCl2,CuCl2,ZnCl2,FeCl2Mixed preparing, specially:
The cobalt chloride of known concentration is dissolved in deionized water, while a certain amount of impurity is added, impurity is all with chloride
Form is added, and the mass percent that the metal component and each metal component contained accounts for total metal component is:Co is 98.88%,
Ni is 0.187%, Mg 0.187%, Mn 0.187%, Cu 0.187%, Zn 0.187%, Fe 0.187%.
(2) extraction process
At room temperature, pH adjustings are carried out to the impure cobalt chloride simulation aqueous solution configured, until pH=4.0, then with saponification
Rate 60%, volumetric concentration are that 15% Saponified Extractants are mixed, and are placed it in the oscillator that magnetic field intensity is 250mT,
It is vibrated under 160r/min constant speeds, after vibrating 30min, pours into and stand 10min in separatory funnel, wait for that two-phase has obviously
Two-phase laminated flow is carried out after layering, obtains aqueous phase extracted and extraction organic phase.
(3) the back extraction process of organic phase
At room temperature, obtained extraction organic phase is mixed with the hydrochloric acid of 2.5mol/L, and places it in oscillator
In, it is vibrated under 120r/min constant speeds, vibrates 15min, stand 10min, two are carried out after two-phase has apparent layering
Phase separation obtains strip aqueous and back extraction organic phase, waits for further detection level.Wherein, by volume, it extracts organic
Phase:Hydrochloric acid=10:1;
(4) tenor measures
By above-mentioned strip aqueous to get to high-purity cobalt chloride solution, the dilution of different multiples is carried out with deionized water,
It is 0.1 μ g/mL-5 μ g/mL metal chloride solutions to obtain tenor, and tenor is carried out with atomic absorption spectrophotometer
Measurement, and calculate cobalt nickel concentration in solution and obtain result than the i.e. value of Co/Ni:Co/Ni=2540, relative to no magnetic field feelings
The value of condition Co/Ni increases nearly 60 times, has achieved the purpose that purified solution.
Embodiment 26
A kind of ultra-high purity cleaning method of cobalt chloride solution, under magnetic fields, room temperature, extraction and separation cobalt, nickel.With implementation
Example 25, difference is:
(1) the impure cobalt chloride configured simulation aqueous solution is mixed with Saponified Extractants, is placed in magnetic field intensity
To be extracted in the oscillator of 350mT, other experiment conditions are identical, and calculate in solution cobalt nickel concentration than the i.e. value of Co/Ni,
Obtain result:Co/Ni=2710 increases nearly 70 times, has reached purified solution relative to the value of no magnetic field conditions Co/Ni
Purpose.
Embodiment 27
A kind of ultra-high purity cleaning method of cobalt chloride solution, under magnetic fields, room temperature, extraction and separation cobalt, nickel.With implementation
Example 25, difference is:
(1) the impure cobalt chloride configured simulation aqueous solution is mixed with Saponified Extractants, is placed in magnetic field intensity
To be extracted in the oscillator of 400mT, other experiment conditions are identical and calculate in solution cobalt nickel concentration than the i.e. value of Co/Ni,
Obtain result:Co/Ni=2480 increases nearly 70 times, has reached purified solution relative to the value of no magnetic field conditions Co/Ni
Purpose.
Embodiment 28
A kind of ultra-high purity cleaning method of nickel chloride aqueous solution, under magnetic fields, room temperature, extraction and separation cobalt, nickel.By following
Step carries out:
(1) prepare
1. the preparation and saponification of organic extractant:10mL high-purity extractants M5640 is added in 90mL sulfonated kerosenes, system
The extractant organic solution that standby volumetric concentration is 10%;The sodium hydroxide lye of a certain amount of 1mol/L is added, at room temperature, stirring
Uniformly, the Saponified Extractants that saponification rate is 60% are obtained.
2. the preparation of impure nickel chloride simulation aqueous solution:The cobalt chloride simulation aqueous solution of the known impurities is pure by analyzing
CoCl2,NiCl2,MgCl2,MnCl2,CuCl2,ZnCl2,FeCl2Mixed preparing, specially:
The nickel chloride of known concentration is dissolved in deionized water, while a certain amount of impurity is added, impurity is all with chloride
Form is added, and it is 98.88%, Co that the mass percent that the metal component and each metal component contained accounts for total metal component, which is Ni,
For 0.187%, Mg 0.187%, Mn 0.187%, Cu 0.187%, Zn 0.187%, Fe 0.187%.
(2) extraction process
At room temperature, hydrochloric acid is added to the impure cobalt chloride simulation aqueous solution configured and carries out pH adjustings, until pH=4.5,
It is again 60% with saponification rate, volumetric concentration is that 10% Saponified Extractants are mixed, and it is 300mT's to place it in magnetic field intensity
It in oscillator, is vibrated under 120r/min constant speeds, after vibrating 40min, pours into and stand 10min in separatory funnel, wait for
Two-phase carries out two-phase laminated flow after having apparent layering, obtains aqueous phase extracted and extraction organic phase.
(3) the back extraction process of organic phase
At room temperature, obtained extraction organic phase is mixed with the hydrochloric acid of 2.5mol/L, and places it in oscillator
In, it is vibrated under 120r/min constant speeds, vibrates 15min, stand 10min, two are carried out after two-phase has apparent layering
Phase separation obtains strip aqueous and back extraction organic phase, waits for further detection level.Wherein, by volume, it extracts organic
Phase:Hydrochloric acid=10:1;
(4) tenor measures
By above-mentioned strip aqueous, i.e., high-purity cobalt chloride solution carries out the dilution of different multiples with deionized water, obtains gold
Category content is 0.1 μ g/mL-5 μ g/mL metal chloride solutions, and the measurement of tenor is carried out with atomic absorption spectrophotometer
And it calculates cobalt nickel concentration in solution and obtains result than the i.e. value of Co/Ni:Ni/Co=4820, relative to no magnetic field conditions Ni/Co
Value, increase nearly 240 times, achieved the purpose that purified solution.
Embodiment 29
A kind of ultra-high purity cleaning method of nickel chloride aqueous solution, under magnetic fields, room temperature, extraction and separation cobalt, nickel.With implementation
Example 28, difference is:
(1) 15mL high-purity extractants M5640 is added in 85mL sulfonated kerosenes, prepares the extraction that volumetric concentration is 15%
Agent organic solution, other experiment conditions are identical, and calculate cobalt nickel concentration in solution and obtain result than the i.e. value of Ni/Co:Ni/Co
=8060, relative to the value of no magnetic field conditions Co/Ni, nearly 500 times are increased, has achieved the purpose that purified solution.
Embodiment 30
A kind of ultra-high purity cleaning method of nickel chloride aqueous solution, under magnetic fields, room temperature, extraction and separation cobalt, nickel.With implementation
Example 28, difference is:
20mL high-purity extractants M5640 is added in 80mL sulfonated kerosenes, the extractant that volumetric concentration is 20% is prepared
Organic solution, other experiment conditions are identical, and calculate cobalt nickel concentration in solution and obtain result than the i.e. value of Ni/Co:Ni/Co=
9460, relative to the value of no magnetic field conditions Co/Ni, nearly 400 times are increased, has achieved the purpose that purified solution.
Embodiment 31
A kind of ultra-high purity cleaning method of nickel chloride aqueous solution, under magnetic fields, room temperature, extraction and separation cobalt, nickel.By following
Step carries out:
(1) prepare
1. the preparation and saponification of organic extractant:20mL high-purity extractants M5640 is added in 80mL sulfonated kerosenes, system
The extractant organic solution that standby volumetric concentration is 20%;The sodium hydroxide lye of a certain amount of 1mol/L is added, at room temperature, stirring
Uniformly, the Saponified Extractants that saponification rate is 55% are obtained.
2. the preparation of impure nickel chloride simulation aqueous solution:The cobalt chloride simulation aqueous solution of the known impurities is pure by analyzing
CoCl2,NiCl2,MgCl2,MnCl2,CuCl2,ZnCl2,FeCl2Mixed preparing, specially:
The nickel chloride of known concentration is dissolved in deionized water, while a certain amount of impurity is added, impurity is all with chloride
Form is added, and it is 98.88%, Co that the mass percent that the metal component and each metal component contained accounts for total metal component, which is Ni,
For 0.187%, Mg 0.187%, Mn 0.187%, Cu 0.187%, Zn 0.187%, Fe 0.187%.
(2) extraction process
At room temperature, hydrochloric acid is added to the impure cobalt chloride simulation aqueous solution configured and carries out pH adjustings, until pH=4.0,
Again with saponification rate 55%, volumetric concentration is that 20% Saponified Extractants are mixed, and it is shaking for 300mT to place it in magnetic field intensity
It swings in device, is vibrated under 190r/min constant speeds, after vibrating 30min, pour into and stand 10min in separatory funnel, wait for two
Two-phase laminated flow is carried out after mutually having apparent layering, obtains aqueous phase extracted and extraction organic phase.
(3) the back extraction process of organic phase
At room temperature, obtained extraction organic phase is mixed with the hydrochloric acid of 2.5mol/L, and places it in oscillator
In, it is vibrated under 190r/min constant speeds, vibrates 15min, stand 10min, two are carried out after two-phase has apparent layering
Phase separation obtains strip aqueous and back extraction organic phase, waits for further detection level.Wherein, by volume, it extracts organic
Phase:Hydrochloric acid=10:1;
(4) tenor measures
By above-mentioned strip aqueous, i.e., high-purity cobalt chloride solution carries out the dilution of different multiples with deionized water, obtains gold
Category content is 0.1 μ g/mL-5 μ g/mL metal chloride solutions, and the measurement of tenor is carried out with atomic absorption spectrophotometer
And it calculates cobalt nickel concentration in solution and obtains result than the i.e. value of Co/Ni:Ni/Co=7500, relative to no magnetic field conditions Ni/Co
Value, increase nearly 150 times, achieved the purpose that purified solution.
Embodiment 32
A kind of ultra-high purity cleaning method of nickel chloride aqueous solution, under magnetic fields, room temperature, extraction and separation cobalt, nickel.With implementation
Example 31, difference is:
(1) pH adjustings are carried out to the impure nickel chloride simulation aqueous solution configured, until pH=5.0, then be with saponification rate
65%, the Saponified Extractants that volumetric concentration is 20% are mixed, other experiment conditions are identical, and calculate cobalt nickel concentration in solution
Than the value for being Ni/Co, result is obtained:Ni/Co=6430 increases nearly 260 times, reaches relative to the value of no magnetic field conditions Co/Ni
The purpose of purified solution is arrived.
Embodiment 33
A kind of ultra-high purity cleaning method of nickel chloride aqueous solution, under magnetic fields, room temperature, extraction and separation cobalt, nickel.By following
Step carries out:
(1) prepare
1. the preparation and saponification of organic extractant:20mL high-purity extractants M5640 is added in 80mL sulfonated kerosenes, system
The extractant organic solution that standby volumetric concentration is 20%;The sodium hydroxide lye of a certain amount of 1mol/L is added, at room temperature, stirring
Uniformly, the Saponified Extractants that saponification rate is 50% are obtained.
2. the preparation of impure nickel chloride simulation aqueous solution:The cobalt chloride simulation aqueous solution of the known impurities is pure by analyzing
CoCl2,NiCl2,MgCl2,MnCl2,CuCl2,ZnCl2,FeCl2Mixed preparing, specially:
The nickel chloride of known concentration is dissolved in deionized water, while a certain amount of impurity is added, impurity is all with chloride
Form is added, and it is 98.88%, Co that the mass percent that the metal component and each metal component contained accounts for total metal component, which is Ni,
For 0.187%, Mg 0.187%, Mn 0.187%, Cu 0.187%, Zn 0.187%, Fe 0.187%.
(2) extraction process
At room temperature, pH adjustings are carried out to the impure cobalt chloride simulation aqueous solution configured, until pH=4.5, then with saponification
The Saponified Extractants that rate is 50%, volumetric concentration is 20% are mixed, and place it in the oscillator that magnetic field intensity is 200mT
In, it is vibrated under 300r/min constant speeds, after vibrating 20min, pours into and stand 15min in separatory funnel, wait for that two-phase has
Two-phase laminated flow is carried out after apparent layering, obtains aqueous phase extracted and extraction organic phase.
(3) the back extraction process of organic phase
At room temperature, obtained extraction organic phase is mixed with the hydrochloric acid of 2.5mol/L, and places it in oscillator
In, it is vibrated under 300r/min constant speeds, vibrates 5min, stand 15min, two-phase is carried out after two-phase has apparent layering
Separation obtains strip aqueous and back extraction organic phase, waits for further detection level.Wherein, by volume, organic phase is extracted:
Hydrochloric acid=10:1;
(4) tenor measures
By above-mentioned strip aqueous to get to high-purity cobalt chloride solution, the dilution of different multiples is carried out with deionized water,
It is 0.1 μ g/mL-5 μ g/mL metal chloride solutions to obtain tenor, and tenor is carried out with atomic absorption spectrophotometer
Measurement and calculate cobalt nickel concentration in solution and obtain result than the i.e. value of Co/Ni:Ni/Co=6200, relative to no magnetic field conditions
The value of Ni/Co increases nearly 300 times, has achieved the purpose that purified solution.
Embodiment 34
A kind of ultra-high purity cleaning method of nickel chloride aqueous solution, under magnetic fields, room temperature, extraction and separation cobalt, nickel.With implementation
Example 7, difference is:
(1) preparation and saponification of organic extractant:By 5mL high-purity extractant P204 and M5640 (mass ratioes 1:1) add
Enter in 95mL sulfonated kerosenes, prepares the extractant organic solution that volumetric concentration is 5%;The hydroxide of a certain amount of 1mol/L is added
Soda lye stirs evenly at room temperature, obtains the Saponified Extractants that saponification rate is 50%;
(2) the impure nickel chloride configured simulation aqueous solution is mixed with Saponified Extractants, is placed in magnetic field intensity
To be extracted in the oscillator of 400mT, other experiment conditions are identical, and calculate in solution cobalt nickel concentration than the i.e. value of Ni/Co,
Obtain result:Ni/Co=4920 increases nearly 200 times, has reached purified solution relative to the value of no magnetic field conditions Ni/Co
Purpose.
Embodiment 35
A kind of ultra-high purity cleaning method of nickel chloride aqueous solution, under magnetic fields, room temperature, extraction and separation cobalt, nickel.With implementation
Example 33, difference is:
(1) preparation and saponification of organic extractant:By 20mL high-purity extractant P204 and P507 (mass ratioes 1:1) add
Enter in 80mL sulfonated kerosenes, prepares the extractant organic solution that volumetric concentration is 20%;The hydrogen-oxygen of a certain amount of 1mol/L is added
Change soda lye to stir evenly at room temperature, obtains the Saponified Extractants that saponification rate is 70%;
(2) pH adjustings are carried out to the impure nickel chloride simulation aqueous solution configured, until pH=5.5, then be with saponification rate
70% Saponified Extractants are mixed;
(3) after being mixed the impure nickel chloride configured simulation aqueous solution with Saponified Extractants, it is strong to be placed in magnetic field
It is extracted in the oscillator that degree is 500mT;
Other experiment conditions are identical, and calculate cobalt nickel concentration in solution and obtain result than the i.e. value of Ni/Co:Ni/Co=
5020, relative to the value of no magnetic field conditions Ni/Co, nearly 200 times are increased, has achieved the purpose that purified solution.
Claims (10)
1. a kind of cobalt chloride or the ultra-high purity cleaning method of nickel chloride aqueous solution, which is characterized in that the cobalt chloride or nickel chloride are water-soluble
Moderate strength or micro- intensity magnetic field is added in extraction process in the ultra-high purity cleaning method of liquid, carries out extraction and separation cobalt, nickel process;
The moderate strength or micro- intensity magnetic field, magnetic field intensity H are 0mT<H<500mT.
2. cobalt chloride as described in claim 1 or the ultra-high purity cleaning method of nickel chloride aqueous solution, which is characterized in that in described
Equal strength or micro- intensity magnetic field are obtained by magnet or induction coil.
3. cobalt chloride as described in claim 1 or the ultra-high purity cleaning method of nickel chloride aqueous solution, which is characterized in that the magnetic
Field intensity H is 300mT~400mT.
4. cobalt chloride as described in claim 1 or the ultra-high purity cleaning method of nickel chloride aqueous solution, which is characterized in that the cobalt chloride
Or the ultra-high purity cleaning method of nickel chloride aqueous solution, include the following steps:
(1) preparation and saponification of organic extractant
Extractant is added in organic solvent, the extractant organic solution that volumetric concentration is 5%-25% is prepared;
In the extractant organic solution for being 5%-25% to volumetric concentration, lye is added, stirs evenly, to extractant organic solution
Saponification is carried out, the Saponified Extractants that saponification rate is 50%-70% are obtained;
The extractant is P204, P507, one or more of Cyanex-272 or M5640 mixing;
The organic solvent is sulfonated kerosene;
(2) extraction process
To the cobalt chloride or nickel chloride aqueous solution of checked for impurities content, pH≤5.5 are adjusted, are 50%-70%'s with saponification rate
Saponified Extractants are mixed, and are placed in oscillator, in magnetic field environment, after vibrating 30 ± 10min, are stood to twice and are obviously divided
Two-phase laminated flow is carried out after layer, obtains aqueous phase extracted and extraction organic phase;Wherein, magnetic field intensity H is 0mT < H≤500mT;
(3) it is stripped process
The extraction organic phase and mixed in hydrochloric acid that will be obtained, are placed in oscillator, after carrying out 15 ± 10min of back extraction oscillation, stand
After having apparent layering to two-phase, two-phase laminated flow is carried out, obtains strip aqueous and back extraction organic phase;Wherein, by volume, have
Machine phase:Hydrochloric acid=10:(1~2);
(4) metal element content in strip aqueous is measured, the cobalt chloride or nickel chloride of high purification are obtained.
5. cobalt chloride as claimed in claim 4 or the ultra-high purity cleaning method of nickel chloride aqueous solution, which is characterized in that the step
Suddenly in (1), the lye is ammonium hydroxide or sodium hydroxide, and the molar concentration of lye is 1mol/L-10mol/L.
6. cobalt chloride as claimed in claim 4 or the ultra-high purity cleaning method of nickel chloride aqueous solution, which is characterized in that the step
Suddenly in (2), in cobalt chloride solution, the metal component and each metal component that contain in aqueous solution account for the quality of total metal component
Percentage composition is:The mass percentage of the mass percentage 95%-99.99% of cobalt, nickel are 0.001%-5%, and surplus is
Impurity;
In nickel chloride aqueous solution, the metal component and each metal component that contain in aqueous solution account for the quality percentage of total metal component
Content is:The mass percentage of the mass percentage 95%-99.99% of nickel, cobalt are 0.001%-5%, and surplus is impurity.
7. cobalt chloride as claimed in claim 4 or the ultra-high purity cleaning method of nickel chloride aqueous solution, which is characterized in that the step
Suddenly in (2), hunting speed is 100~300r/min.
8. cobalt chloride as claimed in claim 4 or the ultra-high purity cleaning method of nickel chloride aqueous solution, which is characterized in that the step
Suddenly in (2), the detection method of cobalt chloride or nickel chloride aqueous solution impurity content, using atomic absorption spectrophotometer method.
9. cobalt chloride as claimed in claim 4 or the ultra-high purity cleaning method of nickel chloride aqueous solution, which is characterized in that the step
Suddenly in (2), the magnetic field environment is provided by externally-applied magnetic field, specially magnetic induction coil or magnet.
10. cobalt chloride as claimed in claim 4 or the ultra-high purity cleaning method of nickel chloride aqueous solution, which is characterized in that described
In step (4), the process of the metal ion content in strip aqueous is measured, specially:Deionized water is added in strip aqueous
It is diluted, concentration dilution to 0.1 μ g/mL-5 μ g/mL, reuses atomic absorption spectrophotometer and carry out metal atom content
It measures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810678587.XA CN108690911B (en) | 2018-06-27 | 2018-06-27 | A kind of cobalt chloride or the ultra-high purity cleaning method of nickel chloride aqueous solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810678587.XA CN108690911B (en) | 2018-06-27 | 2018-06-27 | A kind of cobalt chloride or the ultra-high purity cleaning method of nickel chloride aqueous solution |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108690911A true CN108690911A (en) | 2018-10-23 |
| CN108690911B CN108690911B (en) | 2019-06-25 |
Family
ID=63848367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810678587.XA Active CN108690911B (en) | 2018-06-27 | 2018-06-27 | A kind of cobalt chloride or the ultra-high purity cleaning method of nickel chloride aqueous solution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108690911B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109517984A (en) * | 2018-11-16 | 2019-03-26 | 西北矿冶研究院 | Method for cooperatively extracting, separating and recovering heavy metal ions |
| CN109721730A (en) * | 2018-12-02 | 2019-05-07 | 六盘水中联工贸实业有限公司 | One kind removing cobalt method based on magnetic field polyethyleneimine chelating resin |
| CN110791656A (en) * | 2019-12-03 | 2020-02-14 | 浙江大学 | Method for extracting and separating molybdenum in waste catalyst leaching solution by multi-field synergistic enhancement |
| CN113955814A (en) * | 2021-11-30 | 2022-01-21 | 湖南大学 | NiCl synthesized at low temperature2Powder and use |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105274563A (en) * | 2014-05-28 | 2016-01-27 | 北京有色金属研究总院 | High-purity cobalt preparation method |
| CN105349780A (en) * | 2015-11-20 | 2016-02-24 | 兰州金川新材料科技股份有限公司 | Purification method for nickel electric accumulated liquid for manufacturing high-purity nickel plate |
| CN107287420B (en) * | 2017-06-09 | 2018-10-09 | 南昌航空大学 | A kind of method that P507 fractional extractions prepare 5N grades of cobalt chlorides |
-
2018
- 2018-06-27 CN CN201810678587.XA patent/CN108690911B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105274563A (en) * | 2014-05-28 | 2016-01-27 | 北京有色金属研究总院 | High-purity cobalt preparation method |
| CN105349780A (en) * | 2015-11-20 | 2016-02-24 | 兰州金川新材料科技股份有限公司 | Purification method for nickel electric accumulated liquid for manufacturing high-purity nickel plate |
| CN107287420B (en) * | 2017-06-09 | 2018-10-09 | 南昌航空大学 | A kind of method that P507 fractional extractions prepare 5N grades of cobalt chlorides |
Non-Patent Citations (1)
| Title |
|---|
| 李伟等: "磁性萃取剂高梯度磁分离法在镍钴分离重的应用", 《苏州科技学院学报（工程技术板）》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109517984A (en) * | 2018-11-16 | 2019-03-26 | 西北矿冶研究院 | Method for cooperatively extracting, separating and recovering heavy metal ions |
| CN109721730A (en) * | 2018-12-02 | 2019-05-07 | 六盘水中联工贸实业有限公司 | One kind removing cobalt method based on magnetic field polyethyleneimine chelating resin |
| CN110791656A (en) * | 2019-12-03 | 2020-02-14 | 浙江大学 | Method for extracting and separating molybdenum in waste catalyst leaching solution by multi-field synergistic enhancement |
| CN110791656B (en) * | 2019-12-03 | 2021-05-04 | 浙江大学 | Method for extracting and separating molybdenum in waste catalyst leaching solution by multi-field synergistic enhancement |
| CN113955814A (en) * | 2021-11-30 | 2022-01-21 | 湖南大学 | NiCl synthesized at low temperature2Powder and use |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108690911B (en) | 2019-06-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108690911B (en) | A kind of cobalt chloride or the ultra-high purity cleaning method of nickel chloride aqueous solution | |
| Pramanik et al. | Extraction of strategically important elements from brines: Constraints and opportunities | |
| Li et al. | The application of nanofiltration membrane for recovering lithium from salt lake brine | |
| Zhang et al. | A novel precipitant for separating lithium from magnesium in high Mg/Li ratio brine | |
| Bao et al. | Highly selective removal of Zn (II) ion from hot-dip galvanizing pickling waste with amino-functionalized Fe3O4@ SiO2 magnetic nano-adsorbent | |
| Yu et al. | Recovery of lithium from underground brine by multistage centrifugal extraction using tri-isobutyl phosphate | |
| Traore et al. | Research progress of rare earth separation methods and technologies | |
| TWI667056B (en) | Method for separating metal by solvent extraction synergized complexation | |
| Orefice et al. | Solvometallurgical route for the recovery of Sm, Co, Cu and Fe from SmCo permanent magnets | |
| Mishra et al. | Solvent extraction of zinc, manganese, cobalt and nickel from nickel laterite bacterial leach liquor using sodium salts of TOPS-99 and Cyanex 272 | |
| Toma | Magnetic nanohydrometallurgy: a nanotechnological approach to elemental sustainability | |
| Wang et al. | Enrichment of trace rare earth elements from the leaching liquor of ion-absorption minerals using a solid complex centrifugal separation process | |
| Bourget et al. | CYANEX® 301 binary extractant systems in cobalt/nickel recovery from acidic sulphate solutions | |
| Hailong et al. | Solvent extraction performance of Ce (III) from chloride acidic solution with 2-ethylhexyl phosphoric acid-2-ethylhexyl ester (EHEHPA) by using membrane dispersion micro-extractor | |
| CN105219968A (en) | The method of titanium and iron in a kind of acidleach-precipitate flotation combined recovery red mud | |
| Rodrigues et al. | A new carbamoylmethylphosphonic acid-based polymer for the selective sorption of rare earth elements | |
| CN107739040A (en) | Waste material containing lithium produces the production technology of high-purity lithium carbonate | |
| Meng et al. | Transport and selectivity of indium through polymer inclusion membrane in hydrochloric acid medium | |
| CN109518006A (en) | The minimizing technology of trace cobalt in a kind of nickel chloride solution | |
| Stefaniak et al. | Co (II) and Ni (II) transport from model and real sulfate solutions by extraction with bis (2, 4, 4-trimethylpentyl) phosphinic acid (Cyanex 272) | |
| CN107109523A (en) | For iron and the method for the Selective Separation of aluminium | |
| Yen et al. | Recovery of indium from LCD waste by solvent extraction and the supported liquid membrane with strip dispersion using D2EHPA as the extractant | |
| CN105887136B (en) | A kind of method that iron and nickel are separated in the pickle liquor from lateritic nickel ore | |
| CN106906369B (en) | A kind of technique recycling copper, zinc, nickel, cadmium from heavy metal wastewater thereby using synergic solvent extraction technology | |
| Su et al. | An efficient and sustainable [P6, 6, 6, 14] 2 [BDOAC] ionic liquid based extraction–precipitation strategy for rare earth recovery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |