CN109082523A - Method centrifugation back extraction equipment and be stripped scandium - Google Patents
Method centrifugation back extraction equipment and be stripped scandium Download PDFInfo
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- CN109082523A CN109082523A CN201811141900.2A CN201811141900A CN109082523A CN 109082523 A CN109082523 A CN 109082523A CN 201811141900 A CN201811141900 A CN 201811141900A CN 109082523 A CN109082523 A CN 109082523A
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- 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
- C22B3/02—Apparatus therefor
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- 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
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- 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
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- 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
- C22B59/00—Obtaining rare earth metals
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- 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
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- General Life Sciences & Earth Sciences (AREA)
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- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Geochemistry & Mineralogy (AREA)
- Extraction Or Liquid Replacement (AREA)
- Centrifugal Separators (AREA)
- Crushing And Pulverization Processes (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The present invention provides a kind of methods centrifugation back extraction equipment and be stripped scandium, wherein centrifugation back extraction equipment, comprising: shell, shell include material inlet；Inner casing, inner casing is arranged inside the shell, there is gap between shell and inner casing, the bottom of shell and the bottom of inner casing have material channel so that the material in gap enters in inner casing, the bottom of inner casing has product channel, product channel passes through the outside that shell extends to shell, and the top of inner casing has first discharge passage and second discharge passage, and first discharge passage is than second discharge passage close to the side of inner casing；Shaft, shaft are installed on the shell, and are located at the inside of inner casing, so that shaft generates centrifugation power drive feed separation in rotation and is discharged respectively by first discharge passage and second discharge passage.Technical solution of the present invention efficiently solves the problems, such as that extraction equipment in the prior art is more complicated.
Description
Technical field
The present invention relates to the technical fields of Centrifugical extraction, are stripped equipment and back extraction in particular to a kind of centrifugation
The method of scandium.
Background technique
When being extracted for the scandium in leachate containing scandium, it will usually first be extracted scandium using organic extraction agent solution
It takes, forms scandium load organic phases.Then, scandium is removed from organic phase, it, will mainly by the way that the stripping agents such as inorganic acid solution are added
It is stripped into strip liquor, then is precipitated out scandium from above-mentioned aqueous solution by the way that the precipitating reagents such as oxalic acid solution, lye are added.It is existing
There is the extraction equipment of technology complicated, needs to consume the raw materials such as a large amount of water when extraction.
Summary of the invention
It is existing to solve the main purpose of the present invention is to provide a kind of method centrifugation back extraction equipment and be stripped scandium
The more complicated problem of extraction equipment in technology.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of centrifugation is stripped equipment, comprising:
Shell, shell include material inlet；Inner casing, inner casing are arranged inside the shell, have gap, the bottom of shell between shell and inner casing
There is material channel with the bottom of inner casing so that the material in gap enters in inner casing, the bottom of inner casing has product channel, at
Product channel passes through shell and extends to the outside of shell, and the top of inner casing has first discharge passage and a second discharge passage, and first
Passing away is than second discharge passage close to the side of inner casing；Shaft, shaft are installed on the shell, and are located at the inside of inner casing,
So that shaft generates centrifugation power drive feed separation in rotation and is discharged respectively by first discharge passage and second discharge passage.
Further, the middle part of shell is arranged in material inlet, and material inlet includes light phase inlet and heavy liquid inlet.
Further, shell further includes first discharge port and the second outlet, and first discharge passage and first discharge port connect
Logical, second discharge passage is connected with the second outlet.
Further, shell is inverted cone-shaped structure, and inner casing is inverted cone-shaped structure compatible with shell, and the bottom end of inner casing has
There is the folded plate to extend internally, the lower part of shaft has flow-stopping plate, and flow-stopping plate is Chong Die in vertical projection with folded plate, and flow-stopping plate is higher than
Folded plate.
Further, multiple separation disks are provided in product channel, each disk that separates is along the direction that finished product circulates
It is stacked, to be formed along multiple subchannels in the direction of finished product circulation.
According to another aspect of the present invention, a kind of method for being stripped scandium is provided, comprising: utilize centrifugation back extraction equipment
Stripping precipitation reaction is carried out to the organic phase containing scandium by precipitating back extraction agent solution, to obtain the precipitating containing scandium；Benefit
It is separated by solid-liquid separation with centrifugation back extraction equipment, to separate the precipitating containing scandium that above-mentioned reaction obtains；Wherein, centrifugation back extraction
Taking equipment is above-mentioned back extraction equipment.
Further, light phase inlet is above-mentioned light phase inlet, and heavy liquid inlet is above-mentioned heavy liquid inlet, stripping precipitation
The step of reaction includes: to be passed through the organic phase containing scandium to light phase inlet, to heavy liquid inlet be passed through precipitating back extraction agent solution, with into
The reaction of row stripping precipitation obtains the precipitating containing scandium, the organic phase after precipitating back extraction agent solution and back extraction scandium after reaction；
Solid-liquid separation step includes: that the precipitating back extraction agent solution under the centrifugal force driving effect of shaft, after reaction is logical through the first discharge
Road discharge, the organic phase after being stripped scandium are discharged through second discharge passage, and the precipitating containing scandium is discharged through product channel.
Further, the material of light phase inlet and the material of heavy liquid inlet are to continuously enter, between the discharge of product channel is
It has a rest discharge.
Further, leachate containing scandium is carried out at scandium extraction by organic extraction agent solution using centrifugation back extraction equipment
Reason, to obtain the organic phase containing scandium.
Further, the concentration of organic extraction agent solution is between 0.01mol/L~15mol/L, precipitating back extraction agent solution
Concentration between 0.01mol/L~15mol/L.
Further, the volume ratio of light phase inlet and the solution of heavy liquid inlet is in 1:20 between 20:1.
It applies the technical scheme of the present invention, it can by the cooperation of structure and components inside centrifugation back extraction equipment
Realization extracts the required material in material, and The present invention reduces extraction steps.For example, product channel output finished product,
Heavier material is discharged from first discharge passage under the action of centrifugal force, lighter material is discharged from second discharge passage, realizes
The device structure of above-mentioned isolated material simply only needs to be arranged the cooperation of shell, inner casing and shaft.Technology of the invention
Scheme efficiently solves the problems, such as that extraction equipment in the prior art is more complicated.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows the structural schematic diagram of the embodiment of centrifugation back extraction equipment according to the present invention；
Fig. 2 shows the partial enlargement diagrams of the centrifugation back extraction equipment of Fig. 1；And
Fig. 3 shows the flow diagram of the method for back extraction scandium of the invention.
Wherein, the above drawings include the following reference numerals:
10, shell；11, material inlet；12, first discharge port；13, the second outlet；20, inner casing；21, product channel；
22, folded plate；30, shaft；31, flow-stopping plate.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
Now, the illustrative embodiments according to the application are more fully described with reference to the accompanying drawings.However, these are exemplary
Embodiment can be implemented by many different forms, and should not be construed to be limited solely to embodiment party set forth herein
Formula.It should be understood that it is thoroughly and complete to these embodiments are provided so that disclosure herein, and these are shown
The design of example property embodiment is fully conveyed to those of ordinary skill in the art, in the accompanying drawings, for the sake of clarity, expands layer
With the thickness in region, and make that identical device is presented with like reference characters, thus description of them will be omitted.
As shown in Figure 1 to Figure 3, the centrifugation back extraction equipment of the present embodiment includes: shell 10, inner casing 20 and shaft 30.Outside
Shell 10 includes material inlet 11.Inner casing 20 is arranged in shell 10, has gap, the bottom of shell 10 between shell 10 and inner casing 20
Portion and the bottom of inner casing 20 have material channel so that the material in gap enters in inner casing 20, and the bottom of inner casing 20 has finished product
Channel 21, product channel 21 pass through shell 10 and extend to the outside of shell 10, the top of inner casing 20 have first discharge passage and
Second discharge passage, first discharge passage is than second discharge passage close to the side of inner casing 20.Shaft 30 is mounted on shell 10,
And positioned at the inside of inner casing 20, so that shaft 30 generates centrifugation power drive feed separation in rotation and is led to respectively by the first discharge
Road and second discharge passage discharge.
Using the technical solution of the present embodiment, pass through the cooperation energy of structure and components inside centrifugation back extraction equipment
Enough realize extracts the required material in material, and this embodiment reduces extraction steps.For example, product channel output at
Heavier material is discharged from first discharge passage under the influence of centrifugal force in product, and lighter material is discharged from second discharge passage,
Realize that the device structure of above-mentioned isolated material simply only needs to be arranged the cooperation of shell, inner casing and shaft.The present embodiment
Technical solution efficiently solve the problems, such as that extraction equipment in the prior art is more complicated.It is worth noting that, first row
Channel and second discharge passage are man-made divisions out, this be the effect by centrifugal force so that first discharge passage pass through be
The biggish material of density, the lesser material of when density that second discharge passage passes through, and be discharged in first discharge passage and second
It is the larger mixture with the lesser material of density of density between channel.
As depicted in figs. 1 and 2, in the technical scheme of this embodiment, the middle part of shell 10 is arranged in material inlet 11, former
Expect that import 11 includes light phase inlet and heavy liquid inlet.Being provided separately of light phase inlet and heavy liquid inlet is conducive to light phase material and again
The mixing of phase materials.
As depicted in figs. 1 and 2, in the technical scheme of this embodiment, shell 10 further includes first discharge port 12 and second
Outlet 13, first discharge passage are connected to first discharge port 12, and second discharge passage is connected with the second outlet 13.First
The material density that outlet 12 is discharged is larger, and the density of the material of the second outlet 13 discharge is lighter, is conducive to density so not
The separation of same material.Specifically, the channel that first discharge port 12 is connected to is higher than the channel position that the second outlet 13 is connected to.
First discharge port 12 and the second outlet 13 it is opening down.Shaft 30 is connected with motor, and motor is fixed on the top of shell 10,
The shaft of motor is downward.The revolving speed of shaft 30 is between 500 revs/min to 50000 revs/min.
As depicted in figs. 1 and 2, in the technical scheme of this embodiment, shell 10 be inverted cone-shaped structure, inner casing 20 be with it is outer
The compatible inverted cone-shaped structure of shell 10, the bottom end of inner casing 20 have the folded plate 22 to extend internally, and the lower part of shaft 30 has baffle
Plate 31, flow-stopping plate 31 is Chong Die in vertical projection with folded plate 22, and flow-stopping plate 31 is higher than folded plate 22.The setting of flow-stopping plate 31 is on the one hand
So that not being that the material of finished product will not sink to influencing the discharge of finished product, another aspect flow-stopping plate 31 is also made with certain rotation
With.The cooperation of folded plate 22 and flow-stopping plate 31 reduces the discharge of the material of non-finished product.
As shown in Fig. 2, in the technical scheme of this embodiment, it is provided with multiple separation disks in product channel 21, each point
It is being stacked along the direction that finished product circulates from disk, to be formed along multiple subchannels in the direction of finished product circulation.Make in this way
The logical product channel 21 of finished product materials is pure when discharge, and other non-finished product materials will not be discharged.The product outlet of inner casing 20 is high
In the lowest point of product channel 21, such mixed phase will not be discharged with finished product.
It include: to pass through organic extractant using centrifugation back extraction equipment present invention also provides a kind of method for being stripped scandium
Solution carries out scandium extraction processing to leachate containing scandium, to obtain the organic phase containing scandium.Passed through using centrifugation back extraction equipment
Precipitating back extraction agent solution carries out stripping precipitation reaction to the organic phase containing scandium, to obtain the precipitating containing scandium.Using from
Heart back extraction equipment is separated by solid-liquid separation, to separate the precipitating containing scandium that above-mentioned reaction obtains.Wherein, centrifugation back extraction is set
Standby is above-mentioned back extraction equipment.
As shown in Figure 1 to Figure 3, in the method for the back extraction scandium of the present embodiment, light phase inlet is above-mentioned light phase inlet, weight
Phase entrance is above-mentioned heavy liquid inlet.The step of stripping precipitation is reacted includes: to be passed through the organic phase containing scandium to light phase inlet,
It is passed through precipitating back extraction agent solution to heavy liquid inlet, to carry out stripping precipitation reaction, obtains the precipitating containing scandium, sinking after reaction
The organic phase formed sediment after being stripped agent solution and back extraction scandium.Solid-liquid separation step include: under the centrifugal force driving effect of shaft,
Precipitating back extraction agent solution after reaction is discharged through first discharge passage, and the organic phase after being stripped scandium is discharged through second discharge passage,
Precipitating containing scandium is discharged through product channel.Precipitating back extraction agent solution can be with are as follows: sodium hydroxide, ammonium hydroxide, oxalic acid, hydrofluoric acid, phosphorus
One of acid, sodium oxalate, sodium carbonate, sodium bicarbonate, sodium phosphate, sodium fluoride, ammonium oxalate, ammonium phosphate or a variety of mixed water
Solution.Can also first be washed in this application with organic phase, organic extractant (organic phase) be selected from organo phosphoric extractant, in
At least one of property phosphorus extractant, organic carboxyl acid extractant, organic amine extractant, organic chelated extractant.Organic extractant
It is less than the alkanes (such as kerosene, normal heptane) of water, arene (such as benzene, toluene), Organic Alcohol (such as n-hexyl alcohol, different pungent for density
At least one of alcohol) etc..Wherein, precipitating back extraction agent solution can be sodium hydroxide, ammonium hydroxide, oxalic acid, hydrofluoric acid, phosphoric acid, grass
One or more of aqueous solutions of sour sodium, sodium carbonate, sodium bicarbonate, sodium phosphate, sodium fluoride, ammonium oxalate, ammonium phosphate etc., concentration
Range is 0.01mol/L~15mol/L.
In the method for the back extraction scandium of the present embodiment, the material of light phase inlet and the material of heavy liquid inlet are to continuously enter,
The discharge of product channel is that interval is discharged.The material of light phase inlet and the material of heavy liquid inlet are to continuously enter to extract in this way
Reaction can be carried out continuously, and the discharge of product channel is can be to outlet after gap discharge makes finished product accumulation a certain amount of in this way
Out.
In the method for the back extraction scandium of the present embodiment, the concentration of organic extraction agent solution 0.01mol/L~15mol/L it
Between, the concentration of precipitating back extraction agent solution is between 0.01mol/L~15mol/L.
In the method for the back extraction scandium of the present embodiment, the volume ratio of the solution of light phase inlet and heavy liquid inlet 1:20 extremely
Between 20:1.
For example, with the kerosin of the P204 of extractant containing 1mol/L (di-(2-ethylhexyl)phosphoric acid ester) from the material of sulfuric acid containing scandium
Extracting scandium in liquid washs the organic phase for loading scandium with 0.5mol/L aqueous sulfuric acid, by after washing organic phase with contain
The precipitating back extraction agent solution of 1mol/L NaOH inputs light phase inlet and the heavy liquid inlet of centrifugation stripping precipitation device, light phase respectively
Entrance, heavy liquid inlet liquid flow ratio be 5:1, centrifugal extractor revolving speed is 3000 revs/min, and the scandium hydroxide of generation precipitating is most
It exports discharge by slag phase eventually to collect, the kerosin of the extractant P204 without scandium is discharged from light phase export to be collected, and concentration is about
It is discharged and collects from heavy out for 0.2mol/L NaOH solution.
For another example with the toluene solution of the aphthenic acids of extractant containing 1mol/L from the feed liquid of acid containing scandium salts extracting scandium, will load
The organic phase of scandium and the precipitating back extraction agent solution of the oxalic acid containing 0.3mol/L input the light phase inlet of centrifugation stripping precipitation device respectively
And heavy liquid inlet, light phase inlet, heavy liquid inlet liquid flow ratio be 1:10, centrifugal extractor revolving speed be 8000 revs/min, generate
Scandium hydroxide precipitating export discharge eventually by slag phase and collect, the toluene solution of the extractant aphthenic acids without scandium goes out from light phase
Mouth discharge is collected, and concentration is about that 0.01mol/L oxalic acid solution is collected from heavy out discharge.
The extraction of the application can be not limited to scandium, can also be lanthanum (La), samarium (Sm), europium (Eu), gadolinium (Gd), terbium (Tb),
Dysprosium (Dy), holmium (Ho), erbium (Er), thulium (Tm), ytterbium (Yb), lutetium (Lu) and yttrium (Y) totally 17 kinds of elements, be also possible to magnesium (Mg),
(Al), calcium (Ca), vanadium (V), chromium (Cr), manganese (Mn), iron (Fe), cobalt (Co), nickel (Ni), copper (Cu), zinc (Zn), titanium (Ti), zirconium
(Zr), the metals such as hafnium (Hf), barium (Ba), lead (Pb), tin (Sn), silver-colored (Ag), thorium (Th).
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so that presently filed embodiment described herein for example can be in addition to herein
Sequence other than those of diagram or description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that
Be to cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units not
Those of be necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for these processes, side
The intrinsic other step or units of method, product or equipment.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (11)
1. a kind of centrifugation is stripped equipment characterized by comprising
Shell (10), the shell (10) include material inlet (11)；
Inner casing (20), inner casing (20) setting is in the shell (10), between the shell (10) and the inner casing (20)
With gap, the bottom of the bottom of the shell (10) and the inner casing (20) there is material channel so that material in gap into
Enter in the inner casing (20), the bottom of the inner casing (20) has product channel (21), and the product channel (21) passes through described
Shell (10) extends to the outside of the shell (10), and the top of the inner casing (20) has first discharge passage and the second discharge
Channel, the first discharge passage is than the second discharge passage close to the side of the inner casing (20)；
Shaft (30), the shaft (30) are mounted on the shell (10), and are located at the inside of the inner casing (20), so that institute
It states shaft (30) and generates centrifugation power drive feed separation in rotation and respectively by the first discharge passage and the second row
Channel is discharged out.
2. centrifugation according to claim 1 is stripped equipment, which is characterized in that the material inlet (11) is arranged described
The middle part of shell (10), the material inlet (11) includes light phase inlet and heavy liquid inlet.
3. centrifugation according to claim 1 is stripped equipment, which is characterized in that the shell (10) further includes the first discharge
Mouth (12) and the second outlet (13), the first discharge passage are connected to the first discharge port (12), second discharge
Channel is connected with second outlet (13).
4. centrifugation according to claim 1 is stripped equipment, which is characterized in that the shell (10) is inverted cone-shaped structure,
The inner casing (20) is compatible inverted cone-shaped structure with the shell (10), and the bottom end of the inner casing (20), which has, to extend internally
Folded plate (22), the lower part of the shaft (30) has flow-stopping plate (31), and the flow-stopping plate (31) and the folded plate (22) are perpendicular
To projection overlapping, the flow-stopping plate (31) be higher than the folded plate (22).
5. centrifugation according to claim 1 is stripped equipment, which is characterized in that be provided in the product channel (21) more
A separation disk, each separation disk are being stacked along the direction that finished product circulates, to be formed along the side of the finished product circulation
To multiple subchannels.
6. a kind of method for being stripped scandium characterized by comprising
Stripping precipitation reaction is carried out to the organic phase containing scandium by precipitating back extraction agent solution using centrifugation back extraction equipment, with
Just the precipitating containing scandium is obtained；
It is separated by solid-liquid separation using centrifugation back extraction equipment, to separate the precipitating containing scandium that above-mentioned reaction obtains；
Wherein, the centrifugation back extraction equipment is back extraction equipment described in any one of claims 1 to 5.
7. the method for back extraction scandium according to claim 6, which is characterized in that light phase inlet is as claimed in claim 2
Light phase inlet, heavy liquid inlet are heavy liquid inlet as claimed in claim 2,
The step of stripping precipitation is reacted includes: to be passed through the organic phase containing scandium to the light phase inlet, to described
Heavy liquid inlet is passed through the precipitating back extraction agent solution, to carry out stripping precipitation reaction, obtains the precipitating containing scandium, reaction
The organic phase after precipitating back extraction agent solution and back extraction scandium afterwards；
The solid-liquid separation step includes: under the centrifugal force driving effect of the shaft (30), and the precipitating after the reaction is anti-
Extraction agent solution is discharged through the first discharge passage, and the organic phase after the back extraction scandium is discharged through the second discharge passage, institute
The precipitating containing scandium is stated to be discharged through product channel (21).
8. the method for back extraction scandium according to claim 7, which is characterized in that the material of the light phase inlet and described heavy
The material of phase entrance is to continuously enter, and the discharge of the product channel (21) is that interval is discharged.
9. the method for back extraction scandium according to claim 6, which is characterized in that passed through using centrifugation back extraction equipment organic
It extracts agent solution and scandium extraction processing is carried out to leachate containing scandium, to obtain the organic phase containing scandium.
10. the method for back extraction scandium according to claim 9, which is characterized in that the concentration of the organic extraction agent solution
Between 0.01mol/L~15mol/L, the concentration of the precipitating back extraction agent solution is between 0.01mol/L~15mol/L.
11. the method for back extraction scandium according to claim 7, which is characterized in that the light phase inlet and the heavy phase enter
The volume ratio of the solution of mouth is in 1:20 between 20:1.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811141900.2A CN109082523B (en) | 2018-09-28 | 2018-09-28 | Centrifugal stripping equipment and scandium stripping method |
| AU2019345538A AU2019345538B2 (en) | 2018-09-28 | 2019-06-28 | Centrifugal Stripping Device and Method for Stripping Scandium |
| PCT/CN2019/093791 WO2020062993A1 (en) | 2018-09-28 | 2019-06-28 | Centrifugal back-extracting apparatus and scandium back-extracting method |
| PH12021550579A PH12021550579A1 (en) | 2018-09-28 | 2021-03-16 | Centrifugal stripping device and method for stripping scandium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811141900.2A CN109082523B (en) | 2018-09-28 | 2018-09-28 | Centrifugal stripping equipment and scandium stripping method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109082523A true CN109082523A (en) | 2018-12-25 |
| CN109082523B CN109082523B (en) | 2023-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811141900.2A Active CN109082523B (en) | 2018-09-28 | 2018-09-28 | Centrifugal stripping equipment and scandium stripping method |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN109082523B (en) |
| AU (1) | AU2019345538B2 (en) |
| PH (1) | PH12021550579A1 (en) |
| WO (1) | WO2020062993A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020062993A1 (en) * | 2018-09-28 | 2020-04-02 | 中国恩菲工程技术有限公司 | Centrifugal back-extracting apparatus and scandium back-extracting method |
| CN114873655A (en) * | 2022-04-27 | 2022-08-09 | 重庆康普化学工业股份有限公司 | Method for preparing ternary precursor of lithium battery by using extraction technology |
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Also Published As
| Publication number | Publication date |
|---|---|
| AU2019345538B2 (en) | 2022-12-08 |
| PH12021550579A1 (en) | 2021-12-06 |
| WO2020062993A1 (en) | 2020-04-02 |
| CN109082523B (en) | 2023-07-25 |
| AU2019345538A1 (en) | 2021-04-15 |
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