CN114835176A - Preparation method of spherical anhydrous nickel chloride product - Google Patents
Preparation method of spherical anhydrous nickel chloride product Download PDFInfo
- Publication number
- CN114835176A CN114835176A CN202210598521.6A CN202210598521A CN114835176A CN 114835176 A CN114835176 A CN 114835176A CN 202210598521 A CN202210598521 A CN 202210598521A CN 114835176 A CN114835176 A CN 114835176A
- Authority
- CN
- China
- Prior art keywords
- nickel chloride
- product
- spherical anhydrous
- preparing
- impurity removal
- 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
- 229910021586 Nickel(II) chloride Inorganic materials 0.000 title claims abstract description 86
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 title claims abstract description 86
- 238000002360 preparation method Methods 0.000 title abstract description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 34
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 27
- 239000013078 crystal Substances 0.000 claims abstract description 22
- 239000012535 impurity Substances 0.000 claims abstract description 22
- 238000001704 evaporation Methods 0.000 claims abstract description 20
- 230000008020 evaporation Effects 0.000 claims abstract description 13
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 10
- 238000005520 cutting process Methods 0.000 claims abstract description 9
- 238000002425 crystallisation Methods 0.000 claims abstract description 7
- 230000008025 crystallization Effects 0.000 claims abstract description 7
- 239000007800 oxidant agent Substances 0.000 claims abstract description 7
- 230000001590 oxidative effect Effects 0.000 claims abstract description 7
- 238000012216 screening Methods 0.000 claims abstract description 7
- 239000000126 substance Substances 0.000 claims abstract description 7
- 238000001035 drying Methods 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 claims description 15
- 230000001681 protective effect Effects 0.000 claims description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 12
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- LAIZPRYFQUWUBN-UHFFFAOYSA-L nickel chloride hexahydrate Chemical group O.O.O.O.O.O.[Cl-].[Cl-].[Ni+2] LAIZPRYFQUWUBN-UHFFFAOYSA-L 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 238000001291 vacuum drying Methods 0.000 claims description 6
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000009776 industrial production Methods 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 21
- 239000011265 semifinished product Substances 0.000 description 5
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000005660 chlorination reaction Methods 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 2
- 239000003985 ceramic capacitor Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G53/00—Compounds of nickel
- C01G53/08—Halides; Oxyhalides
- C01G53/09—Chlorides; Oxychlorides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/30—Particle morphology extending in three dimensions
- C01P2004/32—Spheres
-
- 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
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
The invention relates to a preparation method of a spherical anhydrous nickel chloride product, which comprises the following steps: firstly, dissolving hydrochloric acid: cutting the nickel into small pieces, and dissolving the small pieces in a hydrochloric acid medium to obtain a nickel chloride solution; chemical impurity removal: adding an oxidant into the nickel chloride solution to adjust the pH value, and removing Fe to obtain a nickel chloride solution after impurity removal; thirdly, evaporation and crystallization: evaporating, concentrating and crystallizing the nickel chloride solution after impurity removal to obtain nickel chloride crystals; and fourthly, drying, crushing and screening the nickel chloride crystal in vacuum to obtain a spherical anhydrous nickel chloride product with the granularity of 1.3-3.5 mm. The method has the advantages of strong operability, short process flow, low production cost and high application value, and solves the problems of high production cost, complex process, organic entrainment in products, difficulty in realizing industrial production and the like of the anhydrous nickel chloride.
Description
Technical Field
The invention relates to the technical field of powder metallurgy, in particular to a preparation method of a spherical anhydrous nickel chloride product.
Background
The anhydrous nickel chloride is mainly used for producing nano-scale superfine nickel powder and chip multilayer ceramic capacitors (MLCC), and the MLCC is used in the fields of smart phones, new energy automobiles and the like. At present, anhydrous nickel chloride is mainly produced by a direct chlorination method of metallic nickel, an oxide decomposition chlorination method, an extraction method of organic solvents such as thionyl chloride and the like, but the method has high requirements on raw materials and reagents, toxic gases and organic solvents are involved in the preparation process, and the experimental risk is high; meanwhile, the method also uses an organic reagent in the preparation process, so that organic matters are easy to be carried into the product, and industrial application is difficult to realize.
Disclosure of Invention
The invention aims to solve the technical problem of providing a preparation method of a spherical anhydrous nickel chloride product with strong operability, short process flow and low production cost.
In order to solve the problems, the preparation method of the spherical anhydrous nickel chloride product comprises the following steps:
the preparation method comprises the following steps of hydrochloric acid dissolution:
cutting the nickel into small pieces, and dissolving the small pieces in a hydrochloric acid medium to obtain a nickel chloride solution;
chemical impurity removal:
adding an oxidant into the nickel chloride solution to adjust the pH value, and removing Fe to obtain a nickel chloride solution after impurity removal;
the evaporation and crystallization:
evaporating, concentrating and crystallizing the nickel chloride solution after impurity removal to obtain nickel chloride crystals;
and fourthly, drying, crushing and screening the nickel chloride crystal in vacuum to obtain a spherical anhydrous nickel chloride product with the granularity of 1.3-3.5 mm.
The method comprises the steps of cutting the nickel into small pieces of material with the length of 2.5cm by 2.5 cm.
H of hydrochloric acid in the step + =5.0~6.0g/L。
The step II is characterized in that the oxidant is 15% -20% of hydrogen peroxide.
The pH = 3.0-4.0 in the step II.
In the step three, the solution after evaporation contains Ni 2+ =260~300g/L。
And step three, the nickel chloride crystal in the step three is nickel chloride hexahydrate.
The vacuum drying condition in the step four is that the high-pressure protective gas is nitrogen or argon, the temperature is 400-450 ℃, and the pressure of the high-pressure protective gas is 0.8-1.2 MPa.
Compared with the prior art, the invention has the following advantages:
1. the method adopts hydrochloric acid to dissolve electrolytic nickel, oxidize and remove impurities, and evaporate and crystallize to produce nickel chloride crystals, and finally the nickel chloride crystals react through a vacuum drying process to produce high-quality spherical anhydrous nickel chloride semi-finished products, and the high-quality spherical anhydrous nickel chloride semi-finished products are crushed and screened to improve the uniformity of anhydrous nickel chloride particles.
2. The method for producing the high-quality anhydrous nickel chloride product by using the vacuum drying method realizes the purposes of strong operability, short process flow and low production cost, has high application value, and solves the problems of high production cost, complex process, organic entrainment in the product, difficulty in realizing industrial production and the like of the anhydrous nickel chloride.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic representation of a semi-finished product in example 3 of the present invention.
Fig. 2 is a schematic representation of the finished product in example 3 of the present invention.
Detailed Description
A method for preparing a spherical anhydrous nickel chloride product comprises the following steps:
firstly, dissolving hydrochloric acid:
cutting the nickel into small pieces of 2.5cm by 2.5cm in H + And (3) dissolving the nickel chloride solution in a hydrochloric acid medium of which the concentration is 5.0-6.0 g/L to obtain a nickel chloride solution.
Chemical impurity removal:
adding an oxidant into the nickel chloride solution to adjust the pH = 3.0-4.0, and removing Fe to obtain a nickel chloride solution after impurity removal; the oxidant is 15% -20% of hydrogen peroxide.
Thirdly, evaporation and crystallization:
evaporating and concentrating the nickel chloride solution after impurity removal by using an evaporator, wherein the concentrated solution after evaporation contains Ni 2+ And = 260-300 g/L. And crystallizing the concentrated solution in a crystallizer to obtain nickel chloride hexahydrate crystals.
Putting the nickel chloride crystal into a vacuum drier, opening a high-pressure protective gas valve, wherein the high-pressure protective gas is nitrogen or argon, the pressure of the high-pressure protective gas is 0.8-1.2 MPa, and drying the nickel chloride crystal in vacuum at 400-450 ℃ for 2.0-5.0 h to ensure that the nickel chloride crystal is dried and dehydrated in a vacuum environment; and (3) crushing and screening the dehydrated semi-finished anhydrous nickel chloride product to obtain a spherical anhydrous nickel chloride product with the granularity of 1.3-3.5 mm.
Example 1 a method for preparing a spherical anhydrous nickel chloride product, comprising the steps of:
firstly, dissolving hydrochloric acid:
cutting the nickel into small pieces of 2.5cm by 2.5cm in H + And (4) dissolving in a hydrochloric acid medium of which the concentration is 5.2g/L to obtain a nickel chloride solution.
Chemical impurity removal:
adding 16% hydrogen peroxide into the nickel chloride solution to adjust the pH value of the solution to be 3.2, and completely removing Fe to obtain the nickel chloride solution after impurity removal.
The evaporation and crystallization:
evaporating and concentrating the nickel chloride solution after impurity removal by using an evaporator, wherein the concentrated solution after evaporation contains Ni 2+ =260.6 g/L. And crystallizing the concentrated solution in a crystallizer to obtain nickel chloride hexahydrate crystals.
Putting the nickel chloride crystal into a vacuum drier, opening a high-pressure protective gas valve, wherein the high-pressure protective gas is nitrogen, the pressure of the high-pressure protective gas is 0.85MPa, and performing vacuum drying at 425 ℃ for 2.5h to ensure that the nickel chloride crystal is dried and dehydrated in a vacuum environment; and (4) crushing and screening the dehydrated semi-finished anhydrous nickel chloride product to obtain a spherical anhydrous nickel chloride product with the granularity of 1.35 mm.
Example 2 a method for preparing a spherical anhydrous nickel chloride product, comprising the steps of:
firstly, dissolving hydrochloric acid:
cutting the nickel into small pieces of 2.5cm by 2.5cmMaterials in H + And (4) dissolving in a hydrochloric acid medium of which the concentration is 5.5g/L to obtain a nickel chloride solution.
Chemical impurity removal:
adding 17% hydrogen peroxide into the nickel chloride solution to adjust the pH =3.5 to completely remove Fe, and obtaining the nickel chloride solution after impurity removal.
The evaporation and crystallization:
evaporating and concentrating the nickel chloride solution after impurity removal by using an evaporator, wherein the concentrated solution after evaporation contains Ni 2+ =275.8 g/L. And (4) crystallizing the concentrated solution in a crystallizer to obtain crystals of nickel chloride hexahydrate.
Putting the nickel chloride crystal into a vacuum drier, opening a high-pressure protective gas valve, wherein the high-pressure protective gas is nitrogen, and drying the nickel chloride crystal at 430 ℃ for 3.0h in vacuum under the pressure of 1.0MPa to obtain an anhydrous nickel chloride semi-finished product; and (4) crushing and screening the dehydrated semi-finished anhydrous nickel chloride product to obtain a spherical anhydrous nickel chloride product with the granularity of 2.57 mm.
Example 3 a method for preparing a spherical anhydrous nickel chloride product, comprising the steps of:
firstly, dissolving hydrochloric acid:
cutting the nickel into small pieces of 2.5cm by 2.5cm in H + And (4) dissolving in hydrochloric acid medium of =6.0g/L to obtain a nickel chloride solution.
Chemical impurity removal:
adding 19.5% hydrogen peroxide into the nickel chloride solution to adjust the pH =3.8 to completely remove Fe, thereby obtaining the nickel chloride solution after impurity removal.
Thirdly, evaporation and crystallization:
evaporating and concentrating the nickel chloride solution after impurity removal by using an evaporator, wherein the concentrated solution after evaporation contains Ni 2+ =297.2 g/L. And crystallizing the concentrated solution in a crystallizer to obtain nickel chloride hexahydrate crystals.
Putting the nickel chloride crystal into a vacuum drier, opening a high-pressure protective gas valve, wherein the high-pressure protective gas is nitrogen, the pressure of the high-pressure protective gas is 1.15MPa, and performing vacuum drying at 450 ℃ for 4.0h to obtain an anhydrous nickel chloride semi-finished product, as shown in fig. 1; and (3) crushing and screening the dehydrated semi-finished anhydrous nickel chloride product to obtain a spherical anhydrous nickel chloride product with the granularity of 3.0 mm, as shown in figure 2.
Claims (8)
1. A method for preparing a spherical anhydrous nickel chloride product comprises the following steps:
firstly, dissolving hydrochloric acid:
cutting the nickel into small pieces, and dissolving the small pieces in a hydrochloric acid medium to obtain a nickel chloride solution;
chemical impurity removal:
adding an oxidant into the nickel chloride solution to adjust the pH value, and removing Fe to obtain a nickel chloride solution after impurity removal;
the evaporation and crystallization:
evaporating, concentrating and crystallizing the nickel chloride solution after impurity removal to obtain nickel chloride crystals;
and fourthly, drying, crushing and screening the nickel chloride crystal in vacuum to obtain a spherical anhydrous nickel chloride product with the granularity of 1.3-3.5 mm.
2. The method of claim 1 for preparing a spherical anhydrous nickel chloride product, wherein: the method comprises the steps of cutting the nickel into small pieces of material with the length of 2.5cm by 2.5 cm.
3. The method of claim 1 for preparing a spherical anhydrous nickel chloride product, wherein: h of hydrochloric acid in the step + =5.0~6.0g/L。
4. The method of claim 1 for preparing a spherical anhydrous nickel chloride product, wherein: the step II is characterized in that the oxidant is 15% -20% of hydrogen peroxide.
5. The method of claim 1 for preparing a spherical anhydrous nickel chloride product, wherein: the pH = 3.0-4.0 in the step II.
6. The method of claim 1 for preparing a spherical anhydrous nickel chloride product, wherein: in the step three, the solution after evaporation contains Ni 2+ =260~300g/L。
7. The method of claim 1 for preparing a spherical anhydrous nickel chloride product, wherein: and step three, the nickel chloride crystal in the step three is nickel chloride hexahydrate.
8. The method of claim 1 for preparing a spherical anhydrous nickel chloride product, wherein: the vacuum drying condition in the step four is that the high-pressure protective gas is nitrogen or argon, the temperature is 400-450 ℃, and the pressure of the high-pressure protective gas is 0.8-1.2 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210598521.6A CN114835176A (en) | 2022-05-30 | 2022-05-30 | Preparation method of spherical anhydrous nickel chloride product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210598521.6A CN114835176A (en) | 2022-05-30 | 2022-05-30 | Preparation method of spherical anhydrous nickel chloride product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114835176A true CN114835176A (en) | 2022-08-02 |
Family
ID=82572410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210598521.6A Pending CN114835176A (en) | 2022-05-30 | 2022-05-30 | Preparation method of spherical anhydrous nickel chloride product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114835176A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115403082A (en) * | 2022-10-11 | 2022-11-29 | 金川集团镍盐有限公司 | Method for producing electroplated nickel chloride by taking electrodeposited nickel as raw material |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5853692A (en) * | 1993-07-02 | 1998-12-29 | Pohang Iron & Steel Co., Ltd. | Process for manufacturing high purity nickel chloride by recycling waste nickel anode |
| CN1596152A (en) * | 2001-11-26 | 2005-03-16 | 纳幕尔杜邦公司 | Preparation method of nickel/phosphorus ligand catalyst for olefin hydrocyanation |
| JP2005194139A (en) * | 2004-01-07 | 2005-07-21 | Fujikura Ltd | Method for producing anhydrous nickel chloride |
| CN102060336A (en) * | 2010-11-30 | 2011-05-18 | 沈阳鑫劲粉体工程有限责任公司 | Method for preparing high-purity anhydrous nickel chloride |
| CN106395921A (en) * | 2016-08-29 | 2017-02-15 | 金川集团股份有限公司 | Method used for producing nickel chloride products taking waste printing nickel screens as raw materials |
| TW201730114A (en) * | 2016-01-21 | 2017-09-01 | Jx Nippon Mining & Metals Corp | Anhydrous nickel chloride and method for producing same |
| CN108423716A (en) * | 2018-03-28 | 2018-08-21 | 湖南邦普循环科技有限公司 | It is a kind of to prepare the method and its nickel salt for refining nickel salt as raw material using reduced nickel powder |
| CN112563489A (en) * | 2020-12-16 | 2021-03-26 | 北方特种能源集团有限公司西安庆华公司 | Preparation method of nickel chloride anode for novel thermal battery |
-
2022
- 2022-05-30 CN CN202210598521.6A patent/CN114835176A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5853692A (en) * | 1993-07-02 | 1998-12-29 | Pohang Iron & Steel Co., Ltd. | Process for manufacturing high purity nickel chloride by recycling waste nickel anode |
| CN1596152A (en) * | 2001-11-26 | 2005-03-16 | 纳幕尔杜邦公司 | Preparation method of nickel/phosphorus ligand catalyst for olefin hydrocyanation |
| JP2005194139A (en) * | 2004-01-07 | 2005-07-21 | Fujikura Ltd | Method for producing anhydrous nickel chloride |
| CN102060336A (en) * | 2010-11-30 | 2011-05-18 | 沈阳鑫劲粉体工程有限责任公司 | Method for preparing high-purity anhydrous nickel chloride |
| TW201730114A (en) * | 2016-01-21 | 2017-09-01 | Jx Nippon Mining & Metals Corp | Anhydrous nickel chloride and method for producing same |
| CN106395921A (en) * | 2016-08-29 | 2017-02-15 | 金川集团股份有限公司 | Method used for producing nickel chloride products taking waste printing nickel screens as raw materials |
| CN108423716A (en) * | 2018-03-28 | 2018-08-21 | 湖南邦普循环科技有限公司 | It is a kind of to prepare the method and its nickel salt for refining nickel salt as raw material using reduced nickel powder |
| CN112563489A (en) * | 2020-12-16 | 2021-03-26 | 北方特种能源集团有限公司西安庆华公司 | Preparation method of nickel chloride anode for novel thermal battery |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115403082A (en) * | 2022-10-11 | 2022-11-29 | 金川集团镍盐有限公司 | Method for producing electroplated nickel chloride by taking electrodeposited nickel as raw material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2020057042A1 (en) | Method for extracting lithium from amblygonite and preparing iron-containing phosphate | |
| CN108963371B (en) | Method for recovering valuable metals from waste lithium ion batteries | |
| CA2996277C (en) | Method for producing nickel powder | |
| AU2018392525B2 (en) | Method for producing nickel powder | |
| CN114314672A (en) | Ammonium rhenate purification method | |
| CN110642297A (en) | Method for removing calcium and magnesium ions in manganese sulfate solution by low temperature crystallization | |
| CN110550646A (en) | preparation method of cesium sulfate and rubidium sulfate | |
| JP2019112661A5 (en) | ||
| AU2020103465A4 (en) | Method for preparing high-purity spherical ruthenium powder by microwave one-step method | |
| CN115286019A (en) | Method for producing high-purity lithium carbonate from spodumene | |
| CN114799194B (en) | Method for preparing 6N ultra-pure metal rhenium | |
| CN114835176A (en) | Preparation method of spherical anhydrous nickel chloride product | |
| CN102010007B (en) | Method for producing industrial-grade ammonium dimolybdate by combination method | |
| CN104674006A (en) | Clean production method for separating manganese and magnesium from laterite-nickel ore normal-temperature acid leaching liquid employing alkaline oxidation | |
| CN114393214B (en) | Ultra-high purity spherical tungsten powder and preparation method thereof | |
| CN114517263A (en) | Method for extracting and recovering nickel from nickel-containing waste capacitor material and preparing nickel product | |
| US20190047052A1 (en) | Method for producing nickel powder | |
| CN116790887B (en) | Method for separating iron, silicon, gallium, aluminum and calcium from fly ash | |
| CN114014385B (en) | Method for preparing nickel oxide by utilizing water quenched nickel | |
| CN103352131A (en) | Method for scandium concentration from complex high-acidity scandium contained solution | |
| CN117735601A (en) | Method for synthesizing titanium-based lithium ion sieve, titanium-based lithium ion sieve and application | |
| CN116730412A (en) | Method for preparing palladium (II) sulfate | |
| CN108467948B (en) | Palladium and preparation method and application thereof | |
| CN113981230A (en) | A kind of method of nickel-cobalt slag leaching treatment | |
| KR101605503B1 (en) | Manufacturing method of high-purity ITO powder using low-purity Indium metal and Tin metal |
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 | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240326 Address after: 737100 No.1 Lanzhou Road, Jinchuan District, Jinchang City, Gansu Province Applicant after: Jinchuan Group Nickel Salt Co.,Ltd. Country or region after: China Address before: 737100 No.1 Lanzhou Road, Jinchuan District, Jinchang City, Gansu Province Applicant before: Jinchuan Group Nickel Salt Co.,Ltd. Country or region before: China Applicant before: JINCHUAN GROUP Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220802 |
|
| RJ01 | Rejection of invention patent application after publication |