CN109897957A - A kind of method of valuable metal in Selective Separation cobalt ambrose alloy ferroalloy - Google Patents
A kind of method of valuable metal in Selective Separation cobalt ambrose alloy ferroalloy Download PDFInfo
- Publication number
- CN109897957A CN109897957A CN201910293343.4A CN201910293343A CN109897957A CN 109897957 A CN109897957 A CN 109897957A CN 201910293343 A CN201910293343 A CN 201910293343A CN 109897957 A CN109897957 A CN 109897957A
- Authority
- CN
- China
- Prior art keywords
- cobalt
- alloy
- leaching
- valuable metal
- sulfuric acid
- 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.)
- Pending
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
The method of valuable metal, includes the following steps: to melt cobalt ambrose alloy ferroalloy at 1300 DEG C ~ 1600 DEG C in a kind of Selective Separation cobalt ambrose alloy ferroalloy, carries out powder by atomization by high-pressure atomizing device, obtains cobalt ambrose alloy iron alloy powder；This alloyed powder is added in sulfuric acid system, oxidizing gas or oxidant are passed through, adjusting gas flow or oxidizer carry out control current potential Selectively leaching, obtain Cu slag and Co, Ni, Fe mixing leachate；The further enhanced oxidation of Cu slag leaches, purification obtains the chemicals of Cu；Co, Ni, Fe mixing leachate are added in the rusting-leaching slot of special designing, carry out corrosion separation, obtain iron rust slag and sulfuric acid nickel cobalt mixed liquor.The preparation method is novel, and process is short, and technical process is pollution-free, and the extraction and lithium electricity new energy materials that can be used for ocean manganese nodule recycle, and has good industrial prospect.
Description
Technical field
The invention belongs to the hydrometallurgy process more particularly to a kind of Selective Separation cobalt ambrose alloy ferroalloy in field of metallurgy
The method of middle valuable metal.
Background technique
Cobalt, nickel are important strategic reserves metal, are widely used in the neck such as new-energy automobile, aerospace, chemical industry, electronics
Domain.China is the more poor country of nickel cobalt resource, and global cobalt resource focuses primarily upon Congo (Congo-Kinshasa), Australia, Cuba, praises
Than countries and regions such as Asias.With the explosive growth of new-energy automobile industry, cobalt, nickel demand be also continuously improved, at present
China has become maximum nickel cobalt country of consumption in the world, but nickel, cobalt mineral resources are increasingly deficient, and comprehensive development and utilization nickel, cobalt are new
Resource and secondary resource are the effective way and inevitable choice for making up China's cobalt, nickel resources wretched insufficiency.
Cobalt ambrose alloy ferroalloy is a kind of intermediate products, occurs mainly with pyrometallurgy fusion process.Its main source is divided into
Two kinds: one is passing through the bulk concentrate containing cobalt, nickel, copper to be incorporated certain slag former progress reduction melting, obtaining cobalt ambrose alloy
Ferroalloy.Chinese patent CN200410046666.7 discloses a kind of method using fire reduction melting, will containing Mn, Co,
The oceanic multi-metals mineral enrichment such as Ni, Cu, obtains cobalt ambrose alloy ferroalloy and Mn-rich slag, realizes the enrichment of valuable metal；In addition
A kind of source is that the current waste and old lithium ion battery containing cobalt, nickel passes through reduction melting under the high temperature conditions, can further be obtained
To cobalt ambrose alloy ferroalloy.Chinese patent CN201510105915.3 is by the waste and old lithium ion battery containing cobalt or nickel and containing Mn's and Si
Slag former, smelter coke mixing, reduction melting is carried out under oxidizing atmosphere, cobalt ambrose alloy ferroalloy and manganese slag can be obtained.Above-mentioned two
The cobalt ambrose alloy ferroalloy that kind method obtains can be used as Co, Ni intermediate raw material, be further processed to obtain the chemicals of Co and Ni.
Currently, processing cobalt ambrose alloy ferroalloy technique mainly have electrochemical solution, oxidation acid extracting, chlorinating dissolution method,
Roasting method and mixed acid system dissolution method etc..Electrochemical solution processing cost is low, but the reaction time is long, is not suitable for industrializing
Continuous production.Sulfuric acid system aoxidizes acid extracting and uses strong oxidizer under strongly acidic conditions, by all metallic elements in alloy
It all leaches, then is repeatedly cleaned to leachate and purification separation, although this method leaching rate is high, it is acute that there are reaction process
The deficiencies of strong, process flow is long, subsequent removal of impurities and high metal separation costs；Chlorinating dissolution method and mixed acid system dissolution method are to use
Chlorine or hydrogen peroxide carry out alloyed powder leaching, leaching efficiency is high, but hydrochloric acid system is rotten as oxidant in hydrochloric acid system
Corrosion is strong, and equipment cost is high, and hydrochloric acid is volatile, and production environment is poor, and wastewater treatment is difficult, is difficult to realize heavy industrialization.
Summary of the invention
Technical problem to be solved by the present invention lies in overcome the deficiencies of the prior art and provide a kind of Selective Separation cobalt
The method of valuable metal in ambrose alloy ferroalloy, valuable metal in Selective Separation cobalt ambrose alloy ferroalloy, separation process mild condition,
It is at low cost, process is short, pollution-free.
The present invention in order to achieve the above objectives, the technical solution adopted is that: the cobalt ambrose alloy ferroalloy of melting is subjected to spraying system
Powder obtains the alloy powder of suitable grade, is added in sulfuric acid solution, oxidizing gas or addition oxidant is passed through, with control
The Leaching potential of solution processed, is filtered after completion of the reaction, obtains copper ashes and the sulfuric acid mixing leachate of Co, Ni, Fe, and copper ashes is further
Purification can prepare the chemicals of Cu.Akaline liquid adjusting pH is added in sulfuric acid mixing leachate toward Co, Ni, Fe, thus to mixing
Leachate carries out corrosion except iron, can obtain the sulfuric acid nickel and cobalt solution for being practically free of Fe and iron rust.Sulfuric acid nickel and cobalt solution is net through depth
After change, it can be used for preparing lithium electricity positive electrode material precursor；Iron rust can be used as steel industry raw material.The preparation method is novel, process
Short, technical process is pollution-free, can be used for extraction and the lithium electricity new energy materials cycle industrial of ocean manganese nodule, has good work
Industry prospect.
The technical solution used to solve the technical problems of the present invention is that valuable in a kind of Selective Separation cobalt ambrose alloy ferroalloy
The method of metal, comprising the following steps:
(1) it prepares alloy powder: cobalt ambrose alloy ferroalloy is melted at high temperature, powder by atomization device is added, passes through high pressure nitrogen
Powder by spraying controls powder diameter≤100 mesh, obtains alloy powder；
(2) alloy powder obtained by step (1) alloy powder control current potential Selectively leaching: is added to the dilution heat of sulfuric acid of leaching tanks
In (the preferred 2.0-4.0mol/L of the concentration of dilute sulfuric acid), reaction process solid-to-liquid ratio is controlled, oxidizing gas or/and oxidation are passed through
Agent is heated to 30-90 DEG C and keeps the temperature, and adjusts oxidizing gas flowrate or oxidizer to control leaching process redox electricity
Position, reaction process are kept stirring；
(3) after completion of the reaction, it filters, obtains Cu slag and Co, Ni, Fe mixing leachate, enhanced oxidation leaching is carried out to Cu slag, is obtained
To copper-bath；
Copper-bath can be reprocessed by the prior art, further purifying；
(4) in corrosion iron removal trough, it is firstly added corrosion bottom liquid, then by Co, Ni, Fe mixing leachate, the alkali in step (3)
Liquid, oxidizing gas or oxidant cocurrent are added in corrosion iron removal trough, keep reaction process temperature, by control reaction process
The addition flow velocitys of three kinds of substances realizes pH control, is separated by solid-liquid separation after completion of the reaction, obtains iron rust slag and sulfuric acid nickel cobalt is mixed
Close liquid.
Further, in step (1), the temperature melted under high temperature is 1300 DEG C ~ 1600 DEG C；The pressure of high pressure nitrogen is 0.8-
2.5Mpa。
Further, in step (2), the quality of institute's sulfur acid is nickel, cobalt, iron total weight in alloy powder in dilution heat of sulfuric acid
1.6-3.5 times.
Further, in step (2), it is 5 ~ 15:1 that reaction solution, which consolidates mass ratio,.Oxidizing gas is air or purity oxygen.Oxidation
Property gas flow be 0.5-3L/min.Oxidant is hydrogen peroxide.Contained H in oxidant hydrogen peroxide2O2Quality be Fe in alloy
0.5-2.5 times of quality.Hydrogen peroxide is added by control constant flow pump.
Further, in step (2), control leaching process oxidation-reduction potential is 200mV ~ 400mV(SCE).
Further, in step (2), mixing speed 500-1500r/min.
Further, in step (3), enhanced oxidation is leached, and the leaching process current potential of Cu slag is 400 ~ 650mV(SCE), it leaches
Temperature is 40 ~ 90 DEG C, and it is 5 ~ 12:1 that leachate, which consolidates mass ratio, and leachate is the mixed liquor of sulfuric acid solution and hydrogen peroxide；Leachate
The concentration of middle sulfuric acid is 3.0-8.0mol/L, contained H2O2Quality be 0.5-2.5 times of quality of Cu in alloy.
Further, in step (4), oxidizing gas is air, pure oxygen or ozone, gas flow 0.5-3L/min；Oxygen
Agent is hydrogen peroxide.
Further, in step (4), lye is sodium carbonate, sodium bicarbonate, sodium hydroxide, ammonium hydroxide, at least one in ammonium carbonate
Kind.
Further, in step (4), corrosion bottom liquid is tap water or corrosion except the sulfuric acid nickel and cobalt solution after iron, volume
It is the 1/10 ~ 1/5 of corrosion iron removal trough volume.
Further, in step (4), corrosion reaction process pH is 3 ~ 3.5, and temperature is 70 ~ 90 DEG C, and the reaction time is 1 ~ 3h.
Further, in step (4), obtained iron rust slag iron-content is 50 ~ 60wt%, in sulfuric acid nickel cobalt mixed liquor, Fe≤
0.01g/L, Cu≤0.2g/L.
Method of the invention is to realize the selection of nickel, cobalt, iron and metal copper ashes using the method for control current potential Oxidation Leaching
Property separation；Nickel, cobalt, iron sulphuric leachate carry out corrosion except iron again, obtain iron rust slag and sulfuric acid nickel cobalt mixed solution, iron rust slag can
For steel industry raw material, sulfuric acid nickel and cobalt solution can be used as lithium electricity new energy ternary material precursor raw material after deep purifying.
Metal copper ashes can further refine or electrolytic preparation refined copper.
Key reaction formula of the invention is as follows:
The reaction of control current potential enhanced leaching in above-mentioned (2) are as follows:
Fe+2H+ = Fe2++H2↑
Fe+O2+2H+→Fe2++H2O
Co+2H+ = Co2++H2↑
Co+O2+2H+→Co2++H2O
Ni+2H+ = Ni2++H2↑
Ni+O2+2H+→Ni2++H2O
The reaction of copper ashes enhanced leaching in above-mentioned (3) are as follows:
Cu+O2+2H+→Cu2++H2O
The reaction of corrosion iron removal by oxidation in above-mentioned (4) are as follows:
Fe2++O2+H2O→Fe2O3↓+4H+
Fe2++O2+H2O→FeOOH↓+4H+
The present invention is especially suitable for the cobalt ambrose alloy ferroalloys of processing reduction melting output, and main component range is with weight percent
It is calculated as (%): Co5 ~ 20, Ni5 ~ 25, Cu5 ~ 20, Fe15 ~ 85；It is equally applicable to handle other alloy wastes for containing cobalt ambrose alloy iron
Material.
Compared with the prior art, the present invention has the following advantages: (1) pass through the solution potential during control enhanced leaching,
Cobalt, nickel, Tie Yutong in alloy can be achieved to efficiently separate；(2) pH and feed flow rate of iron removal by oxidation process are corroded by control,
The efficient removal of iron in cobaltous sulfate nickel solution can be achieved；(3) technical process is simply mild, and method is novel, and process is short, labor intensity
It is small, it is suitble to large-scale industrial production；(4) leaching agent and oxidant used in are common common chemicals, and consumption is few, are produced into
This is low；(5) added value of product is high, can solve the serious deficient problem of nickel cobalt resource, improves resource utilization, it is dirty to reduce environment
Dye, realizes the cleaning high-value-use of nonferrous metal resource, can further break through the resource bottleneck of New-energy electric vehicle.
Detailed description of the invention
Fig. 1 is the picture for the cobalt ambrose alloy ferroalloy that the embodiment of the present invention 1 provides.
Fig. 2 is the SEM figure for the cobalt ambrose alloy iron alloy powder that the embodiment of the present invention 1 provides.
Fig. 3 is the SEM figure for the cobalt ambrose alloy iron alloy powder that the embodiment of the present invention 1 provides.
Fig. 4 is the iron rust slag figure that the embodiment of the present invention 1 provides.
Fig. 5 is the iron rust slag XRD diagram that the embodiment of the present invention 1 provides.
Fig. 6 is the sulfuric acid nickel cobalt mixed liquor that the embodiment of the present invention 1 provides.
Specific embodiment
Below in conjunction with specific embodiment, invention is further described in detail.
Embodiment 1
The present embodiment the following steps are included:
(1) it prepares alloy powder: cobalt ambrose alloy ferroalloy being added in electric arc furnaces and is melted at 1300 DEG C, then carries out powder by atomization, institute
It is 0.8MPa with nitrogen pressure, controls powder diameter≤100 mesh, obtain alloy powder；The ingredient of alloyed powder is by weight percentage
For (%): Co 5.86, Ni 6.28, Cu 6.86 and Fe 80.12；
(2) alloy powder control current potential Selectively leaching: by alloy powder 500g obtained by step (1) be added to leaching tanks 5L,
In the dilution heat of sulfuric acid of 3.27mol/L, being passed through air mass flow is 0.5L/min, and control leaching process current potential is 200 ~ 250mV
(SCE), mixing speed 500r/min, it is 25% hydrogen peroxide 733.6g that mass fraction, which is added, by constant flow pump, keeps reaction temperature
It is 40 ~ 60 DEG C, after leaching 6h, is separated by solid-liquid separation, leach slag ingredient after cleaning is (%): Co 0.093 by weight percentage,
Ni 0.144, Cu 6.72 and Fe 0.4, the leaching rate of Co, Ni, Fe is 98.4%, 97.71%, the leaching rate of 99.5%, Cu be
2.04%, realize efficiently separating for Co, Ni, Fe and Cu in alloy.
(3) after completion of the reaction, it filters, obtains Cu slag and Co, Ni, Fe mixing leachate, enhanced oxidation leaching is carried out to Cu slag
Out, copper-bath is obtained；
Cu slag enhanced oxidation leaches, and leaching process current potential is 400mV(SCE), extraction temperature is 40 DEG C, and leaching liquid-solid ratio is 5:1,
Leachate is the mixed liquor of sulfuric acid solution and hydrogen peroxide；The concentration of sulfuric acid is 3.0mol/L, contained H in leachate2O2Quality be
0.5 times of the quality of Cu in alloy.
(4) corrosion iron removal trough in, be firstly added corrosion bottom liquid, then by step (3) Co, Ni, Fe mixing leachate,
By three different pipelines, oxygen gas flow is 0.5L/min for sodium carbonate, oxygen；It is pumped into according to certain flow velocity cocurrent
Equipped with tap water as in corrosion bottom liquid corrosion iron removal trough, the 1/10 of the long-pending volume for corrosion iron removal trough of bottom liquid is corroded, is adjusted
The relative velocity of liquid alkaline and cobaltous sulfate ferronickel solution, keeping corrosion reaction process pH is 3 ~ 3.5, and temperature is 70 DEG C, the reaction time
For 3h, iron rust slag is obtained through being separated by solid-liquid separation after end of reaction, iron-content 50%, the Co 11.49g/L of sulfuric acid nickel cobalt mixed liquor,
Ni 12.27g/L, Fe 0.01g/L, Cu 0.2g/L.
Embodiment 2
The present embodiment the following steps are included:
(1) it prepares alloy powder: cobalt ambrose alloy ferroalloy being added in electric arc furnaces and is melted at 1500 DEG C, then carries out powder by atomization, institute
It is 1.5MPa with nitrogen pressure, controls powder diameter≤100 mesh, obtain alloy powder；
The ingredient of alloy powder is (%): Co 14.68, Ni 16.26, Cu 12.46 and Fe 55.32 by weight percentage；
(2) alloy powder control current potential Selectively leaching: by alloy powder 500g obtained by step (1) be added to leaching tanks 4L,
In the dilution heat of sulfuric acid of 2.61mol/L, being passed through air mass flow is 2.0L/min, and control leaching process current potential is 280 ~ 350mV
(SCE), mixing speed 1000r/min, it is 25% hydrogen peroxide 1106.4g that mass fraction, which is added, by constant flow pump, keeps reaction temperature
Degree is 60 ~ 70 DEG C, after leaching 4h, is separated by solid-liquid separation, and leach slag ingredient after cleaning is (%): Co by weight percentage
0.207, Ni 0.257, the leaching rate of Cu 12.21 and Fe 0.22, Co, Ni, Fe is 98.59%, 98.42%, 99.61%, Cu
Leaching rate is 1.98%, realizes efficiently separating for Co, Ni, Fe and Cu in alloy.
(3) after completion of the reaction, it filters, obtains Cu slag and Co, Ni, Fe mixing leachate, enhanced oxidation leaching is carried out to Cu slag
Out, copper-bath is obtained；
Cu slag enhanced oxidation leaches: leaching process current potential is 500mV(SCE), extraction temperature is 70 DEG C, and leaching liquid-solid ratio is 8:
1, leachate is the mixed liquor of sulfuric acid solution and hydrogen peroxide；The concentration of sulfuric acid is 5.0mol/L, contained H in leachate2O2Quality
It is 1.5 times of quality of Cu in alloy.
(4) corrosion iron removal trough in, be firstly added corrosion bottom liquid, then by step (3) Co, Ni, Fe mixing leachate,
By three different pipelines, oxygen gas flow is 3L/min for sodium hydroxide, oxygen；It is pumped into according to certain flow velocity cocurrent
Equipped with tap water as in corrosion bottom liquid iron removal trough, corrosion bottom liquid product is the 1/8 of the volume of iron removal trough, adjusts liquid alkaline and sulfuric acid
The relative velocity of cobalt ferronickel solution, keeping corrosion reaction process pH is 3 ~ 3.5, and temperature is 80 DEG C, and reaction time 2h has reacted
Bi Houjing is separated by solid-liquid separation to obtain iron rust slag, iron-content 60%, Co 18.09g/L, the Ni 20.00g/L of sulfuric acid nickel cobalt mixed liquor,
Fe 0.01g/L, Cu 0.2g/L.
Embodiment 3
The present embodiment the following steps are included:
(1) it prepares alloy powder: cobalt ambrose alloy ferroalloy being added in electric arc furnaces and is melted at 1600 DEG C, then carries out powder by atomization, institute
It is 2.5MPa with nitrogen pressure, controls powder diameter≤100 mesh, obtain alloy powder；
The ingredient of alloyed powder is (%): Co 19.39, Ni 24.63, Cu 18.82 and Fe 36.68 by weight percentage；
(2) alloy powder control current potential Selectively leaching: by alloy powder 500g obtained by step (1) be added to leaching tanks 6L,
In the dilution heat of sulfuric acid of 1.87mol/L, being passed through air mass flow is 0.5L/min, and control leaching process current potential is 350 ~ 400mV
(SCE), mixing speed 1500r/min, it is 25% hydrogen peroxide 1834g that mass fraction, which is added, by constant flow pump, keeps reaction temperature
It is 40 ~ 60 DEG C, after leaching 6h, is separated by solid-liquid separation, leach slag ingredient after cleaning is (%): Co 0.093 by weight percentage,
Ni 0.144, Cu 18.49 and Fe 0.4, the leaching rate of Co, Ni, Fe is 98.13%, 97.89%, the leaching rate of 99.64%, Cu be
1.76%, realize efficiently separating for Co, Ni, Fe and Cu in alloy.
(3) after completion of the reaction, it filters, obtains Cu slag and Co, Ni, Fe mixing leachate, enhanced oxidation leaching is carried out to Cu slag
Out, copper-bath is obtained；
Cu slag enhanced oxidation leaches: leaching process current potential is 600mV(SCE), extraction temperature is 90 DEG C, and leaching liquid-solid ratio is 12:
1, leachate is the mixed liquor of sulfuric acid solution and hydrogen peroxide；The concentration of sulfuric acid is 8.0mol/L, contained H in leachate2O2Quality
It is 2.5 times of quality of Cu in alloy.
(4) corrosion iron removal trough in, be firstly added corrosion bottom liquid, then by step (3) Co, Ni, Fe mixing leachate,
By three different pipelines, oxygen gas flow is 0.5L/min for ammonium carbonate, oxygen；It is pumped into according to certain flow velocity cocurrent
Equipped with tap water as in corrosion bottom liquid iron removal trough, corrosion bottom liquid product is the 1/5 of the volume of iron removal trough, adjusts liquid alkaline and sulfuric acid
The relative velocity of cobalt ferronickel solution, keeping corrosion reaction process pH is 3 ~ 3.5, and temperature is 90 DEG C, and reaction time 1h has reacted
Bi Houjing is separated by solid-liquid separation to obtain iron rust slag, and iron-content is 50 ~ 60%, the Co 16.08g/L, Ni of sulfuric acid nickel cobalt mixed liquor
20.41g/L, Fe 0.02g/L, Cu 0.28g/L.
Claims (10)
1. a kind of method of valuable metal in Selective Separation cobalt ambrose alloy ferroalloy, which comprises the following steps:
(1) it prepares alloy powder: cobalt ambrose alloy ferroalloy is melted at high temperature, powder by atomization device is added, passes through high pressure nitrogen
Powder by spraying controls powder diameter≤100 mesh, obtains alloy powder；
(2) alloy powder obtained by step (1) alloy powder control current potential Selectively leaching: is added to the dilution heat of sulfuric acid of leaching tanks
In, reaction process solid-to-liquid ratio is controlled, oxidizing gas or/and oxidant is passed through, is heated to 30-90 DEG C and keeps the temperature, adjusts oxidation
Property gas flow or oxidizer control leaching process oxidation-reduction potential, and reaction process is kept stirring；
(3) after completion of the reaction, it filters, obtains Cu slag and Co, Ni, Fe mixing leachate, enhanced oxidation leaching is carried out to Cu slag, is obtained
To copper-bath；
(4) in corrosion iron removal trough, it is firstly added corrosion bottom liquid, then by Co, Ni, Fe mixing leachate, the alkali in step (3)
Liquid, oxidizing gas or oxidant cocurrent are added in corrosion iron removal trough, keep reaction process temperature, by control reaction process
The addition flow velocitys of three kinds of substances realizes pH control, is separated by solid-liquid separation after completion of the reaction, obtains iron rust slag and sulfuric acid nickel cobalt is mixed
Close liquid.
2. the method for valuable metal in Selective Separation cobalt ambrose alloy ferroalloy according to claim 1, which is characterized in that step
Suddenly in (1), the temperature melted under high temperature is 1300 DEG C ~ 1600 DEG C；The pressure of high pressure nitrogen is 0.8-2.5Mpa.
3. the method for valuable metal, feature exist in Selective Separation cobalt ambrose alloy ferroalloy according to claim 1 or 2
In, in step (2), in dilution heat of sulfuric acid the quality of institute's sulfur acid be alloy powder in nickel, cobalt, iron total weight 1.6-3.5
Times.
4. the method for valuable metal, feature exist in Selective Separation cobalt ambrose alloy ferroalloy according to claim 1 or 2
In in step (2), it is 5 ~ 15:1 that reaction solution, which consolidates mass ratio,；Oxidizing gas is air or purity oxygen；Oxidizing gas flowrate is
0.5-3L/min；Oxidant is hydrogen peroxide；Contained H in oxidant hydrogen peroxide2O2Quality be alloy in Fe quality 0.5-
2.5 again.
5. the method for valuable metal, feature exist in Selective Separation cobalt ambrose alloy ferroalloy according to claim 1 or 2
In in step (2), control leaching process oxidation-reduction potential is 200mV ~ 400mV.
6. the method for valuable metal, feature exist in Selective Separation cobalt ambrose alloy ferroalloy according to claim 1 or 2
In, in step (2), mixing speed 500-1500r/min.
7. the method for valuable metal, feature exist in Selective Separation cobalt ambrose alloy ferroalloy according to claim 1 or 2
In in step (3), enhanced oxidation is leached, and the leaching process current potential of Cu slag is 400 ~ 650mV, and extraction temperature is 40 ~ 90 DEG C, leaching
It is 5 ~ 12:1 that liquid, which consolidates mass ratio, out, and leachate is the mixed liquor of sulfuric acid solution and hydrogen peroxide；The concentration of sulfuric acid is in leachate
3.0-8.0mol/L contained H2O2Quality be 0.5-2.5 times of quality of Cu in alloy.
8. the method for valuable metal, feature exist in Selective Separation cobalt ambrose alloy ferroalloy according to claim 1 or 2
In in step (4), oxidizing gas is air, pure oxygen or ozone, gas flow 0.5-3L/min；Oxidant is hydrogen peroxide.
9. the method for valuable metal, feature exist in Selective Separation cobalt ambrose alloy ferroalloy according to claim 1 or 2
In in step (4), lye is at least one of sodium carbonate, sodium bicarbonate, sodium hydroxide, ammonium hydroxide, ammonium carbonate.
10. the method for valuable metal, feature exist in Selective Separation cobalt ambrose alloy ferroalloy according to claim 1 or 2
In in step (4), corrosion bottom liquid is tap water or corrosion except the sulfuric acid nickel and cobalt solution after iron, and volume is corrosion iron removal trough
The 1/10 ~ 1/5 of volume；In step (4), corrosion reaction process pH is 3 ~ 3.5, and temperature is 70 ~ 90 DEG C, and the reaction time is 1 ~ 3h.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019100402445 | 2019-01-16 | ||
| CN201910040244 | 2019-01-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109897957A true CN109897957A (en) | 2019-06-18 |
Family
ID=66955711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910293343.4A Pending CN109897957A (en) | 2019-01-16 | 2019-04-12 | A kind of method of valuable metal in Selective Separation cobalt ambrose alloy ferroalloy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109897957A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113512649A (en) * | 2021-05-27 | 2021-10-19 | 金川集团股份有限公司 | Production method for realizing nickel-cobalt separation by utilizing ozone under mixed acid system |
| CN113667825A (en) * | 2021-07-20 | 2021-11-19 | 广东邦普循环科技有限公司 | Ferronickel wet processing method and application thereof |
| CN114620759A (en) * | 2022-03-04 | 2022-06-14 | 金川集团股份有限公司 | Production method for producing electroplated copper sulfate by directly evaporating and crystallizing sponge copper leaching solution |
| WO2022228264A1 (en) * | 2021-04-25 | 2022-11-03 | 湖南金源新材料股份有限公司 | Device for removing iron from nickel-cobalt-manganese sulfuric acid solution, and method for continuously removing iron ions from nickel-cobalt-manganese sulfuric acid solution at low temperature |
| US12006227B2 (en) | 2021-07-20 | 2024-06-11 | Guangdong Brunp Recycling Technology Co., Ltd. | Nickel-iron wet treatment method and application thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101109043A (en) * | 2006-07-21 | 2008-01-23 | 刘伟锋 | Method for processing cunico |
| CN102560100A (en) * | 2012-02-21 | 2012-07-11 | 海南金亿新材料股份有限公司 | Process for preparing high-purity superfine cobalt powder from copper-cobalt-iron alloy |
| KR101295157B1 (en) * | 2013-04-30 | 2013-08-09 | 한국지질자원연구원 | Treating method of cobalt ore |
| CN104087758A (en) * | 2014-07-15 | 2014-10-08 | 长沙矿冶研究院有限责任公司 | Method for extracting valuable metals in cobalt-copper alloy by virtue of full hydrometallurgy |
| CN105063349A (en) * | 2015-08-17 | 2015-11-18 | 长沙矿冶研究院有限责任公司 | Method of leaching copper, cobalt and nickel from smelting alloy |
-
2019
- 2019-04-12 CN CN201910293343.4A patent/CN109897957A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101109043A (en) * | 2006-07-21 | 2008-01-23 | 刘伟锋 | Method for processing cunico |
| CN102560100A (en) * | 2012-02-21 | 2012-07-11 | 海南金亿新材料股份有限公司 | Process for preparing high-purity superfine cobalt powder from copper-cobalt-iron alloy |
| KR101295157B1 (en) * | 2013-04-30 | 2013-08-09 | 한국지질자원연구원 | Treating method of cobalt ore |
| CN104087758A (en) * | 2014-07-15 | 2014-10-08 | 长沙矿冶研究院有限责任公司 | Method for extracting valuable metals in cobalt-copper alloy by virtue of full hydrometallurgy |
| CN105063349A (en) * | 2015-08-17 | 2015-11-18 | 长沙矿冶研究院有限责任公司 | Method of leaching copper, cobalt and nickel from smelting alloy |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022228264A1 (en) * | 2021-04-25 | 2022-11-03 | 湖南金源新材料股份有限公司 | Device for removing iron from nickel-cobalt-manganese sulfuric acid solution, and method for continuously removing iron ions from nickel-cobalt-manganese sulfuric acid solution at low temperature |
| CN113512649A (en) * | 2021-05-27 | 2021-10-19 | 金川集团股份有限公司 | Production method for realizing nickel-cobalt separation by utilizing ozone under mixed acid system |
| CN113667825A (en) * | 2021-07-20 | 2021-11-19 | 广东邦普循环科技有限公司 | Ferronickel wet processing method and application thereof |
| US12006227B2 (en) | 2021-07-20 | 2024-06-11 | Guangdong Brunp Recycling Technology Co., Ltd. | Nickel-iron wet treatment method and application thereof |
| CN114620759A (en) * | 2022-03-04 | 2022-06-14 | 金川集团股份有限公司 | Production method for producing electroplated copper sulfate by directly evaporating and crystallizing sponge copper leaching solution |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109897957A (en) | A kind of method of valuable metal in Selective Separation cobalt ambrose alloy ferroalloy | |
| CN101845562B (en) | Improved device and method for producing electrolytic manganese metal by two-ore method | |
| CN101838736B (en) | Wet separation method for valuable metals in purified liquid cobalt slags of wet zinc smelting system | |
| CN100404708C (en) | Two-section roasting production process for recovering Au, Cu, Ag, As and S from As and C containing aurin ore | |
| CN100497674C (en) | Method for processing cunico | |
| WO2012006935A1 (en) | Method for producing mercury-free alkaline-manganese type electrolyzed manganese dioxide | |
| CN112159897B (en) | Method for purifying nickel-cobalt-manganese leaching solution | |
| CN101629247A (en) | Combined leaching process of white alloy and heterogenite | |
| CN101871046A (en) | Method for recycling heavy metal pollution wastes | |
| CN106868307A (en) | A kind of pyrite cinder arsenic removal is enriched with the comprehensive utilization process of gold and silver | |
| CN102586600A (en) | Process for recycling valuable metal from lead copper matte | |
| CN105349791B (en) | A kind of method of selective extraction copper in copper matte regulus material from iron | |
| JPWO2015162902A1 (en) | Method and facility for recovering valuable components from waste dry batteries | |
| CN104017991A (en) | Process for efficiently and selectively separating copper in lead copper matte | |
| CN106048251A (en) | Technological method for cleaning and efficiently treating arsenic matte | |
| CN103060553B (en) | Method for purifying zinc from zinc concentrate | |
| CN105886769A (en) | Method for enriching precious metal by dissolving multi-metal alloy material through nitric acid | |
| CN102230083A (en) | Method for separating copper from lead copper matte | |
| JP2016156074A (en) | Method for producing metal manganese | |
| CN109208031A (en) | A kind of production method of electrolytic manganese metal | |
| CN103710541B (en) | The method of wet production electrolytic manganese dioxide | |
| CN110512083A (en) | A kind of method of metal resource comprehensive utilization in oil-containing electroplating sludge | |
| CN105861836B (en) | A method of collecting noble metal from more metal alloy materials | |
| CN105110300B (en) | The method that a kind of compound manganese ore of Containing Sulfur manganese extracts manganese and sulphur | |
| CN109881022A (en) | A method of the whole process green circulatory of lean solution containing cyanogen utilizes |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190618 |
|
| RJ01 | Rejection of invention patent application after publication |