CN106591889A - Preparation method for magnalium - Google Patents
Preparation method for magnalium Download PDFInfo
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- CN106591889A CN106591889A CN201710014348.XA CN201710014348A CN106591889A CN 106591889 A CN106591889 A CN 106591889A CN 201710014348 A CN201710014348 A CN 201710014348A CN 106591889 A CN106591889 A CN 106591889A
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/36—Alloys obtained by cathodic reduction of all their ions
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
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Abstract
The invention provides a preparation method for magnalium. The method comprises the following steps that a magnesium salt and aluminum salt mixed raw material is prepared according to the mass ratio of magnesium to aluminum in the magnalium to be prepared; and the mixed raw material is subjected to molten salt electrolysis codeposition, the relative error between the faraday electric quantity required for discharging of magnesium ions and aluminum ions in the mixed raw material and the electrolysis electric quantity for electrolysis of the mixed raw material during molten salt electrolysis codeposition is controlled at +/-15%, and the magnalium is obtained. Through the preparation method and the molten salt electrolysis codeposition mode, the matching consistency between the faraday electric quantity required for discharging of the magnesium ions and the aluminum ions and the electrolysis electric quantity during electrolysis is controlled, the relative error between the faraday electric quantity and the electrolysis electric quantity is controlled to be within at +/-15%, the contents of the two metallic components in the magnalium product are consistent with target contents, and accordingly the components of the magnalium are effectively controlled. Furthermore, the magnalium is prepared through the preparation method.
Description
Technical field
The present invention relates to alloy material preparing technical field, in particular to a kind of preparation method of magnadure.
Background technology
Magnesium alloy has numerous excellent property such as density low, and mechanical performance and chemical property are excellent and can reclaim
The characteristic such as utilize, thus be known as " green alloy ".Magnesium alloy is widely used in various fields such as auto industry, electronics
Product, aviation, military affairs, and its consumption has the trend for increasing considerably.Dow metal belongs to the one kind in magnesium alloy series.
The method of this kind of alloy of traditional mode of production is smelting process, that is, be co-doped with method：Various alloying component elements are by each independent
Metallurgical process be obtained after, its melting is obtained into alloy.This method flow is long, and all metallic elements therein have to pass through respectively
From metallurgical process and its subsequently refining obtain, this process is numerous and diverse, high cost；Because its bulk composition is active metal,
Melting production alloy process must have inert atmosphere or vacuum environment, and metal loss rate is high, and cause the pollution of environment.
For a long time, people continuously attempt to use fused salt electrolysis process to produce alloy.Fused salt electrolysis process prepares alloy can divide again
To be electrolysed two methods of diffusion method and electrolytic codeposition of nickel method.
In electrolysis diffusion method, most representative work is the magnesium alloy electrolysis diffusion method that Ram Sharma are proposed, in electricity
In advance addition liquid aluminium, as negative electrode, electrolytic oxidation magnesium or magnesium chloride, makes magnesium that acquisition magnadure is deposited on aluminium in solution liquid, its
Main thought is, with the alloying metal of relative inertness as negative electrode, other units to be deposited thereon and usually obtains alloy.
Electrolysis diffusion method is a kind of method that can effectively prevent alloying element scaling loss and can carry out exact composition control.
However, whole electrolytic process alloying element content is continuously increased, this causes alloying component not in the same time to have very very much not naturally
Together, especially master alloying composition will gradually increase to very high concentration from zero, when electrodeposited alloy element reached it is required
When measuring, electrolytic process must stop, and take out alloy, then change negative electrode and repeat said process.In electrolytic process not
The alloy of target component can be at any time obtained, such process can not be referred to as a continuous process.
Electrolytic codeposition of nickel method is discharged so as to obtain alloy simultaneously in negative electrode under same potential using many kinds of metal ions
Method.However, existing electrolytic codeposition of nickel method cannot accomplish the composition in effective control alloy, and magnadure is there is no at present
The report of co-deposition and Composition Control.
The content of the invention
Present invention is primarily targeted at provide a kind of preparation method of magnadure, to solve prior art in electrolysis altogether
Sedimentation cannot realize magnadure be co-deposited, and cannot effective control magnadure composition problem.
To achieve these goals, according to an aspect of the invention, there is provided a kind of preparation method of magnadure, its
Comprise the following steps：By the mass ratio configuration magnesium salts and the mixed material of aluminium salt of magnesium and aluminium in the magnadure to be prepared；Will
Mixed material carries out fused salt electrolysis codeposition, the faraday needed for magnesium ion and aluminium ion electric discharge in period control mixed material
The relative error of the electrolysis electricity of electricity and electrolysis mixed material obtains magnadure within ± 15%.
Further, control the faraday's electricity needed for the magnesium ion and aluminium ion electric discharge in mixed material to mix with electrolysis
During the relative error of the electrolysis electricity of raw material is the step of within ± 15%, determine that electrolysis mixing is former according to formula I or formula II
The Faradaic current and electrolysis time of material, and then magnadure is obtained, wherein,
Formula I is：
Formula II is：
In formula I and II, m(Mg)saltFor the quality of magnesium salts in mixed material, m(Al)saltFor the matter of aluminium salt in mixed material
Amount, MMgFor the relative atomic mass of magnesium, MAlFor the relative atomic mass of aluminium, M(Mg)saltFor the relative molecular mass of magnesium salts,
M(Al)saltFor the relative molecular mass of aluminium salt, I is Faradaic current, and t is electrolysis time, and a is the quality of aluminium in 100g magnadures,
F is Faraday constant.
Further, with electrolysis time t as interval time, mixed material is periodically added into in electrolytic furnace, with continuous
Property prepares magnadure.
Further, magnesium salts is magnesium chloride, and aluminium salt is aluminium chloride.
Further, during fused salt electrolysis codeposition, the electrolyte of employing includes alkali molten salt.
Further, the composition of alkali molten salt includes lithium chloride and/or sodium chloride.
Further, also including the magnesium chloride that mass fraction is 8～15% in electrolyte.
Further, by weight percentage, electrolyte include 8～15% magnesium chloride, 50～70% lithium chloride and
20～40% sodium chloride.
Further, during fused salt electrolysis codeposition, electrolysis temperature is 700～900 DEG C.
Further, during fused salt electrolysis codeposition, cathode-current density is 0.5～1.5A/cm2。
Using technical scheme, there is provided a kind of preparation method of magnadure, it is comprised the following steps：By institute
The mass ratio configuration magnesium salts and the mixed material of aluminium salt of magnesium and aluminium in the magnadure to be prepared；Mixed material is carried out into fused salt electricity
Solution is co-deposited, the faraday's electricity needed for magnesium ion and aluminium ion electric discharge and electrolysis mixed material in period control mixed material
Electrolysis electricity relative error within ± 15%, obtain magnadure.
Using above-mentioned preparation method, by fused salt electrolysis codeposition method, magnesium ion and aluminum ions is controlled during electrolysis
Faraday's electricity needed for electric discharge matches uniformity with electrolysis electricity, and the two relative error is controlled within ± 15%, can
Make the content of two kinds of metal ingredients in magnadure product substantially consistent with target content, so as to reach effective control alloying component
Purpose.And by above-mentioned fused salt electrolysis codeposition method, the present invention has prepared magnadure.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.The present invention is described in detail below in conjunction with embodiment.
The application is described in further detail below in conjunction with specific embodiment, these embodiments are it is not intended that limit this
Apply for scope required for protection.
As described by background section, electrolytic codeposition of nickel method of the prior art cannot realize that magnadure is coprecipitated
Product, and cannot effective control magnadure composition.
In order to solve this problem, the invention provides a kind of preparation method of magnadure, it is comprised the following steps：Press
The mass ratio configuration magnesium salts and the mixed material of aluminium salt of magnesium and aluminium in the magnadure to be prepared；Mixed material is carried out into fused salt
Electrolytic codeposition of nickel, the magnesium ion and the faraday's electricity needed for aluminum ions electric discharge in period control mixed material is mixed with this is electrolysed
The relative error of electrolysis electricity of raw material is closed within ± 15%, magnadure is obtained.
Using above-mentioned preparation method, by fused salt electrolysis codeposition method, magnesium ion and aluminum ions is controlled during electrolysis
Faraday's electricity needed for electric discharge match uniformity with the electrolysis electricity of electrolysis mixed material, will both relative error control ±
Within 15%, the content of two kinds of metal ingredients in magnadure product can be made substantially consistent with target content, be had so as to reach
The purpose of effect control alloying component.And by above-mentioned fused salt electrolysis codeposition method, the present invention has prepared magnadure.
Specifically, compared to traditional fused salt electrolysis codeposition process, in the present invention the step of increased control composition.
For the alloy of magnalium binary system is prepared, by the magnadure to be prepared magnesium and aluminium mass ratio configuration magnesium salts and
The mixed material of aluminium salt, then mixed material is put in electrolytic furnace carries out fused salt electrolysis codeposition.If not controlling faraday
Electricity matches uniformity with electrolysis electricity, and in the electrolyte adopted due to electrolytic process metal ion is equally existed, these gold
In the lump electrolysis is separated out category ion easily in electrolytic process, so as to destroy the binary system of magnadure as impurity component.This
Invention is based on this point, it is proposed that the magnesium ion of mixed material is controlled during fused salt electrolysis codeposition and aluminum ions is put
The relative error of faraday's electricity needed for electricity and the electrolysis electricity of electrolysis mixed material within ± 15%, so equivalent to for
Magnesium ion and aluminum ions electrolysis separate out the supply sum for being provided with electrolysis electricity such that it is able to effectively prevent miscellaneous in electrolyte
Matter metal ion is separated out, and has efficiently controlled the magnalium content of alloy product so as to substantially consistent with target content.
In the above-mentioned preparation method that the present invention is provided, electrolysis electricity can be controlled by electrolysis time and Faradaic current.
In a preferred embodiment, the required faraday's electricity of magnesium ion and aluminium ion electric discharge and electrolysis in mixed material are controlled
During the relative error of the electrolysis electricity of above-mentioned mixed material is the step of within ± 15%, electricity is determined according to formula I or formula II
The Faradaic current and electrolysis time of solution mixed material, and then magnadure is obtained,
Formula I is
Formula II is
In formula I and II, m(Mg)saltFor the quality of magnesium salts in mixed material, m(Al)saltFor the matter of aluminium salt in mixed material
Amount, MMgFor the relative atomic mass of magnesium, MAlFor the relative atomic mass of aluminium, M(Mg)saltFor the relative molecular mass of magnesium salts,
M(Al)saltFor the relative molecular mass of aluminium salt, I is Faradaic current, and t is electrolysis time (s), and a is the matter of aluminium in 100g magnadures
Amount, F is Faraday constant (96485C/mol).
What deserves to be explained is, above-mentioned 1 ± 0.15 refers to a value range, and it is more than or equal to 0.85, less than or equal to 1.15.
Above-mentioned a values can pass through the mass ratio of the aluminium in the subject alloy to be prepared to obtain.m(Mg)saltCan lead to
The quality and proportioning for crossing be electrolysed mixed material is obtained.So, Faradaic current can be known by above-mentioned Formulas I or Formula II
With the relation of electrolysis time.In actual mechanical process, the value of Faradaic current can be preset, it is possible to obtain according to above formula
Electrolysis time, so as to apply during actual electrolytic codeposition of nickel.Conversely, electrolysis time can also be preset, such as
Require interior how long to complete electrolysis, it is possible to determine the size of Faradaic current according to above formula.In addition it is also possible to default electrolysis
Time and Faradaic current, so as to determine the quality of magnesium salts and aluminium salt in mixed material according to above formula.
Generally, the relative error of preferred faraday's electricity and electrolysis electricity is within+15%, i.e., 0≤(electrolysis electricity
Amount-faraday's electricity)/electrolysis electricity ＜ 15%.
Electrolysis electricity is controlled using electrolysis time and Faradaic current, so as to control alloying component so that in the present invention
Preparation method can adopt continuous production technology.In a preferred embodiment, with electrolysis time t as interval time,
Mixed material is periodically added into in electrolytic furnace, magnadure is prepared with continuity.
As it was noted above, the present invention controls electrolysis electricity by electrolysis time and Faradaic current, so as to reach mixing
One is matched in raw material between faraday's electricity and the electrolysis electricity for being electrolysed the mixed material needed for magnesium ion and aluminium ion electric discharge
Cause property.Therefore, in the electrolysis time t shown in above-mentioned Formulas I or Formula II, can just by the mixed material electrolytic codeposition of nickel.
On the basis of this, with electrolysis time t as interval time, above-mentioned mixed material is periodically added into in electrolytic furnace, company can be reached
Continuous property prepares the purpose of magnadure.And the alloy taken out after each time interval, its composition is basically identical with preset value.
In a preferred embodiment, above-mentioned magnesium salts is magnesium chloride, and aluminium salt is aluminium chloride.Compared to other magnesium salts and
Aluminium salt, magnesium chloride and aluminium chloride have higher electrolysis performance.
The electrolyte adopted during above-mentioned fused salt electrolysis codeposition can be electrolyte commonly used in the art, its objective is
Support the electron motion in electrolytic process.In a preferred embodiment, during fused salt electrolysis codeposition, the electricity of employing
Solution matter includes alkali molten salt.Alkali-metal activity is better than magnesium and aluminium, correspondingly, be later than in electrolytic process magnesium ion and aluminium from
Son.Using alkali molten salt as electrolyte, with reference to above-mentioned electrolysis electricity rate-determining steps, can further prevent metal impurities from entering
In entering alloy, so as to be more beneficial for the Composition Control of binary system alloy.It is highly preferred that the composition of alkali molten salt includes chlorination
Lithium and/or sodium chloride.
In a preferred embodiment, also including the magnesium chloride that mass fraction is 8～15% in electrolyte.In electrolysis
8～15% magnesium chloride is added in matter, the stability during fused salt electrolysis codeposition can be further improved.It is worth explanation
It is that, based on aforesaid Composition Control step, the magnesium chloride in electrolyte system has no effect on the component content in alloy product.More
Preferably, by weight percentage, electrolyte includes 8～15% magnesium chloride, 50～70% lithium chloride and 20～40%
Sodium chloride.
Other electrolysis process can be adjusted.In a preferred embodiment, during fused salt electrolysis codeposition,
Electrolysis temperature is 700～900 DEG C.Cathode-current density is 0.5～1.5A/cm2.Under the process conditions, electrolytic codeposition of nickel process
It is more stable, so as to be conducive to further improving the quality stability of magnadure product.
Beneficial effects of the present invention are further illustrated by the following examples.
Embodiment 1
Alloy is designed as Mg-6wt%Al (wherein the content of Al is 6wt%), by this proportional arrangement magnesium chloride and aluminium chloride
Mixture.
It is 30min to preset electrolysis time (interval time), and Faradaic current is dc source 2A；
By formulaCalculate mixed material
The quality of middle magnesium chloride, the part accordingly weighed in said mixture is mixed material, and by this mixed material to electrolytic furnace
In periodically feed, carry out continuous fused salt electrolysis codeposition.
Concrete electrolytic parameter is as follows：
Electrolysis cathode is stainless steel, and anode is graphite；Dc source：2A；900 DEG C of electrolyte temperature；Cathode-current density
1A/cm2；Electrolyte is constituted：Magnesium chloride 15wt%- lithium chloride 60wt%- sodium chloride 25wt%.Mixed material feeding study on period is
30min。
Under the conditions of above-mentioned technological parameter, continuous electrolysis take out alloy, using icp analysis aluminium content after 10 hours.
Concrete data are as shown in the table：
| Alloy is designed | Mg-6wt%Al |
| Gained alloying component | Mg-5.58wt%Al |
Embodiment 2
Alloy is designed as Mg-6wt%Al (wherein the content of Al is 6wt%), by this proportional arrangement magnesium chloride and aluminium chloride
Mixture.
It is 30min to preset electrolysis time (interval time), and Faradaic current is dc source 2A；
By formulaCalculate mixed
Close the quality of magnesium chloride in raw material, it is mixed material accordingly to weigh a part in said mixture, and by this mixed material to
Periodically feed in electrolytic furnace, carry out continuous fused salt electrolysis codeposition.
Concrete electrolytic parameter is as follows：
Electrolysis cathode is molybdenum, and anode is graphite；Dc source：2A；700 DEG C of electrolyte temperature；Cathode-current density 0.5A/
cm2；Electrolyte is constituted：Magnesium chloride 8wt%- lithium chloride 70wt%- sodium chloride 22wt%.Mixed material feeding study on period is
30min.Under the conditions of above-mentioned technological parameter, continuous electrolysis take out alloy, using icp analysis aluminium content after 10 hours.
Concrete data are as shown in the table：
Embodiment 3
Alloy is designed as Mg-6wt%Al (wherein the content of Al is 6wt%), by this proportional arrangement magnesium chloride and aluminium chloride
Mixture.
It is 30min to preset electrolysis time (interval time), and Faradaic current is dc source 2A；
By formulaCalculate mixed
Close the quality of magnesium chloride in raw material, it is mixed material accordingly to weigh a part in said mixture, and by this mixed material to
Periodically feed in electrolytic furnace, carry out continuous fused salt electrolysis codeposition.
Concrete electrolytic parameter is as follows：
Electrolysis cathode is tungsten, and anode is graphite；Dc source：2A；950 DEG C of electrolyte temperature；Cathode-current density 1.5A/
cm2；Electrolyte is constituted：Magnesium chloride 10wt%- lithium chloride 50wt%- sodium chloride 40wt%.Mixed material feeding study on period is
30min.Under the conditions of above-mentioned technological parameter, continuous electrolysis take out alloy, using icp analysis aluminium content after 10 hours.
Concrete data are as shown in the table：
| Alloy is designed | Mg-6wt%Al |
| Gained alloying component | Mg-5.57wt%Al |
Embodiment 4
Alloy is designed as Mg-6wt%Al (wherein the content of Al is 6wt%), by this proportional arrangement magnesium chloride and aluminium chloride
Mixture.
It is 30min to preset electrolysis time (interval time), and Faradaic current is dc source 2A；
By formulaCalculate
The quality of magnesium chloride in mixed material, the part accordingly weighed in said mixture is mixed material, and by this mixed material
Periodically feed in electrolytic furnace, carry out continuous fused salt electrolysis codeposition.
Concrete electrolytic parameter is as follows：
Electrolysis cathode is tungsten, and anode is graphite；Dc source：2A；950 DEG C of electrolyte temperature；Cathode-current density 1.6A/
cm2；Electrolyte is constituted：Magnesium chloride 5wt%- lithium chloride 75wt%- sodium chloride 20wt%.Mixed material feeding study on period is
30min.Under the conditions of above-mentioned technological parameter, continuous electrolysis take out alloy, using icp analysis aluminium content after 10 hours.
Concrete data are as shown in the table：
| Alloy is designed | Mg-6wt%Al |
| Gained alloying component | Mg-5.55wt%Al |
Comparative example 1
Alloy is designed as Mg-6wt%Al (wherein the content of Al is 6wt%), by this proportional arrangement magnesium chloride and aluminium chloride
Mixture.
It is 30min to preset electrolysis time (interval time), and Faradaic current is dc source 2A；
By formulaCalculate
The quality of magnesium chloride in mixed material, the part accordingly weighed in said mixture is mixed material, and by this mixed material
Periodically feed in electrolytic furnace, carry out continuous fused salt electrolysis codeposition.
Concrete electrolytic parameter is as follows：
Electrolysis cathode is tungsten, and anode is graphite；Dc source：2A；950 DEG C of electrolyte temperature；Cathode-current density 1.6A/
cm2；Electrolyte is constituted：Magnesium chloride 5wt%- lithium chloride 75wt%- sodium chloride 20wt%.Mixed material feeding study on period is
30min.Under the conditions of above-mentioned technological parameter, continuous electrolysis take out alloy, using icp analysis aluminium content after 10 hours.
Concrete data are as shown in the table：
| Alloy is designed | Mg-6wt%Al |
| Gained alloying component | Mg-5.48wt%Al-0.5wt%Li-0.2wt%Na |
Comparative example 2
Alloy is designed as Mg-6wt%Al (wherein the content of Al is 6wt%), by this proportional arrangement magnesium chloride and aluminium chloride
Mixture.
It is 30min to preset electrolysis time (interval time), and Faradaic current is dc source 2A；
By formulaCalculate
The quality of magnesium chloride in mixed material, the part accordingly weighed in said mixture is mixed material, and by this mixed material
Periodically feed in electrolytic furnace, carry out continuous fused salt electrolysis codeposition.
Concrete electrolytic parameter is as follows：
Electrolysis cathode is tungsten, and anode is graphite；Dc source：2A；950 DEG C of electrolyte temperature；Cathode-current density 1.6A/
cm2；Electrolyte is constituted：Magnesium chloride 5wt%- lithium chloride 75wt%- sodium chloride 20wt%.Mixed material feeding study on period is
30min.Under the conditions of above-mentioned technological parameter, continuous electrolysis take out alloy, using icp analysis aluminium content after 10 hours.
Concrete data are as shown in the table：
| Alloy is designed | Mg-6wt%Al |
| Gained alloying component | Mg-4.76wt%Al |
As can be seen from the above description, the above embodiments of the present invention realize following technique effect：
Using above-mentioned preparation method, by fused salt electrolysis codeposition method, magnadure can be prepared.More importantly, originally
Invention is consistent with electrolysis electricity matching by control magnesium ion during electrolysis and the faraday's electricity needed for aluminum ions electric discharge
Property, the two relative error is controlled within ± 15%, the content of two kinds of metal ingredients in magnadure product can be made basic
It is consistent with target content, so as to reach the purpose of effective control alloying component.
The preferred embodiments of the present invention are the foregoing is only, the present invention is not limited to, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of preparation method of magnadure, it is characterised in that comprise the following steps：
By the mass ratio configuration magnesium salts and the mixed material of aluminium salt of magnesium and aluminium in the magnadure to be prepared；
The mixed material is carried out into fused salt electrolysis codeposition, the magnesium ion and aluminium ion that period is controlled in the mixed material is put
The relative error of the electrolysis electricity of faraday's electricity and the electrolysis mixed material needed for electricity obtains described within ± 15%
Magnadure.
2. preparation method according to claim 1, it is characterised in that magnesium ion in the control mixed material and
The relative error of the electrolysis electricity of faraday's electricity and the electrolysis mixed material needed for aluminium ion electric discharge is within ± 15%
The step of in, the Faradaic current and electrolysis time of the electrolysis mixed material are determined according to formula I or formula II, and then obtain institute
Magnadure is stated, wherein,
The formula I is：
The formula II is：
In the formula I and II, m(Mg)saltFor the quality of magnesium salts described in the mixed material, m(Al)saltFor the mixed material
Described in aluminium salt quality, MMgFor the relative atomic mass of magnesium, MAlFor the relative atomic mass of aluminium, M(Mg)saltFor the magnesium salts
Relative molecular mass, M(Al)saltFor the relative molecular mass of the aluminium salt, I is the Faradaic current, when t is the electrolysis
Between, a is the quality of aluminium in magnadure described in 100g, and F is Faraday constant.
3. preparation method according to claim 2, it is characterised in that with the electrolysis time t as interval time, to electrolysis
The mixed material is periodically added in stove, the magnadure is prepared with continuity.
4. preparation method according to any one of claim 1 to 3, it is characterised in that the magnesium salts is magnesium chloride, described
Aluminium salt is aluminium chloride.
5. preparation method according to claim 4, it is characterised in that during the fused salt electrolysis codeposition, employing
Electrolyte includes alkali molten salt.
6. preparation method according to claim 5, it is characterised in that the composition of the alkali molten salt includes lithium chloride
And/or sodium chloride.
7. preparation method according to claim 6, it is characterised in that also include in the electrolyte mass fraction be 8～
15% magnesium chloride.
8. preparation method according to claim 7, it is characterised in that by weight percentage, the electrolyte includes 8～
15% magnesium chloride, 50～70% lithium chloride and 20～40% sodium chloride.
9. the preparation method according to any one of claim 6 to 8, it is characterised in that the fused salt electrolysis codeposition mistake
Cheng Zhong, electrolysis temperature is 700～900 DEG C.
10. preparation method according to claim 9, it is characterised in that during the fused salt electrolysis codeposition, negative electrode electricity
Current density is 0.5～1.5A/cm2。
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11479481B2 (en) * | 2019-07-29 | 2022-10-25 | Mach Technology Co., Ltd. | Method for processing metallurgical waste acid |
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| CN102220608A (en) * | 2011-06-09 | 2011-10-19 | 河北联合大学 | Preparation method of silicon-manganese alloy |
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| CN1035532A (en) * | 1988-02-06 | 1989-09-13 | 东北工学院 | The method of electrolysis production aluminum silicon alloy |
| JP2008195969A (en) * | 2007-02-08 | 2008-08-28 | Toyohashi Univ Of Technology | Method for manufacturing alloy ingot by molten salt electrolysis using esr heating |
| CN101440508A (en) * | 2008-12-12 | 2009-05-27 | 北京科技大学 | Preparation of reactive metal based alloy |
| CN101886197A (en) * | 2010-07-09 | 2010-11-17 | 哈尔滨工程大学 | Aluminum-lithium-samarium alloy and fused salt electrolysis preparation method thereof |
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