WO2005014484A1 - 4価硫酸バナジル水溶液の製造法 - Google Patents
4価硫酸バナジル水溶液の製造法 Download PDFInfo
- Publication number
- WO2005014484A1 WO2005014484A1 PCT/JP2004/011358 JP2004011358W WO2005014484A1 WO 2005014484 A1 WO2005014484 A1 WO 2005014484A1 JP 2004011358 W JP2004011358 W JP 2004011358W WO 2005014484 A1 WO2005014484 A1 WO 2005014484A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- solution
- vanadium
- salicylic acid
- aqueous
- 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.)
- Ceased
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G31/00—Compounds of vanadium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/40—Electric properties
Definitions
- the present invention relates to a method for producing a tetravalent vanadyl sulfate aqueous solution that can be used as an electrolyte for a vanadium redox flow battery, and more particularly, to a high-purity tetravalent sulfate using the production of a salicylic acid compound of vanadium.
- the present invention relates to a method for producing an aqueous vanadyl solution.
- aqueous vanadyl sulfate solution for example, first, combustion ash is suspended in an acidic aqueous solution, a reducing agent is added, and then the combustion ash component is separated by filtration to obtain an aqueous solution containing tetravalent vanadium.
- Patent Document 1 a method of recovering vanadium hydroxide hydrate (VO (OH) ⁇ ⁇ )) precipitated by adding ammonia water to the obtained aqueous solution to obtain a sulfuric acid solution
- Patent Document 2 a petroleum-based A method is known in which a leachate is obtained by adding a reducing agent to an acidic slurry solution of combustion ash, and the obtained leachate is subjected to multi-stage extraction using an acidic phosphorus-based extractant (Patent Document 2).
- Patent Document 1 involves applying a reducing agent to a suspension adjusted to pHl-3 containing combustion ash generated during fossil combustion and then filtering to remove insoluble residues.
- a step of obtaining an aqueous solution containing tetravalent vanadium (b) adding ammonia or aqueous ammonia to the obtained aqueous solution containing tetravalent vanadium, and adjusting the pH of the aqueous solution to 4.2 to 4.8.
- VO (OH) n ⁇ O and (c) a step of filtering and obtaining the precipitated VO ( ⁇ H)) ⁇ , wherein the obtained VO (OH) ⁇ ⁇ is sulfuric acid.
- a tetravalent vanadyl sulfate aqueous solution By dissolving in water, a tetravalent vanadyl sulfate aqueous solution can be obtained.
- a step of adding ammonia or aqueous ammonia to the solution and the washing solution obtained in step (c), adjusting the pH of the solution to 6 ⁇ 0.3, and collecting the generated precipitates Can also be performed.
- the recovered precipitate can be used as a vanadium-containing raw material in step (a) or (b).
- aqueous and organic phases When the aqueous and organic phases are brought into contact, nickel and magnesium are transferred to the aqueous phase and vanadium, iron and titanium are transferred to the organic phase.
- the acidic phosphorus-based extractant is used after being diluted with an aromatic hydrocarbon-based or aliphatic hydrocarbon-based solvent. This extraction separates into an aqueous phase containing ammonium sulfate, magnesium and nickel and an organic phase containing vanadium, iron and titanium.
- tetravalent vanadyl sulfate aqueous solution is obtained by bringing aqueous solution of sulfuric acid into contact with the organic phase to recover vanadium.
- Patent Document 1 JP 2003-281345 A
- Patent Document 2 JP 2001-287913 A
- An object of the present invention is to provide a vanadium redox flow battery that can suppress the content ratio of contaminant metal ions having a high tetravalent vanadium concentration even from combustion ash generated during the combustion of fossil fuels. It is an object of the present invention to provide a method for producing an aqueous solution of vanadium tetravalent vanadium sulfate capable of suitably obtaining a high-purity aqueous solution of vanadyl sulfate, which can be used as a raw material for an electrolytic solution, even in industrial mass production.
- the inventors of the present invention have conducted intensive studies to solve the above-mentioned problems, and as a result, have found that combustion of fossil fuels Even if it is an acidic extract containing tetravalent vanadium obtained from the combustion ash generated at this time, the salicylic acid compound of vanadium is precipitated by mixing salicylic acid with the acidic extract, and the precipitate is again subjected to an aqueous sulfuric acid solution.
- the present invention was found that a high-purity aqueous solution of vanadyl sulfate, tetravalent, was obtained by precipitating and removing salicylic acid after dissolving in water.
- steps (a) and (b) and separating and removing salicylic acid from the salicylic acid compound are separated and removing salicylic acid from the salicylic acid compound.
- steps (a) and (b) and separating and removing salicylic acid from the salicylic acid compound even if combustion ash generated during the combustion of fossil fuels is used as a raw material, contamination metal ions that can be used as electrolyte raw materials for vanadium redox flow batteries, etc. It is possible to easily obtain a high-purity aqueous solution of tetravalent vanadium sulfate having a very low content.
- step (a) of adding at least one of salicylic acid and an aqueous solution of salicylic acid to a sulfuric acid aqueous solution containing tetravalent vanadium is performed.
- the aqueous sulfuric acid solution containing tetravalent vanadium used in the step (a) is preferably an aqueous sulfuric acid solution having a pH of 3.0 or less as long as the aqueous solution of tetravalent vanadium dissolved in the aqueous sulfuric acid solution.
- a sulfuric acid aqueous solution or the like prepared using sulfuric acid and a reducing agent, using combustion ash generated during fossil fuel combustion as a raw material can be used.
- the fossil fuel include bituminous minerals, heavy oil, tar, asphalt, and the like, and fuels obtained by emulsifying these.
- the combustion ash is not particularly limited as long as it is generated by burning the fossil fuel.
- the ash suspension usually contains tetravalent and pentavalent vanadium ions, metal ions such as Fe, Ni, Ca, Mg, and Na, and ammonium sulfate. Of these inclusions, pentavalent vanadium ions are reduced to tetravalent by adding a reducing agent.
- a sulfuric acid aqueous solution containing tetravalent vanadium using the combustion ash for example, the combustion ash is suspended in water, and sulfuric acid and a reducing agent are added thereto with stirring to suspend.
- a sulfuric acid and a reducing agent are usually added to the combustion ash containing water to separate the insoluble residue, and then the sulfuric acid aqueous solution obtained by these methods is separated.
- a method of concentrating and diluting to an appropriate concentration, and further adjusting the pH by mixing an aqueous solution of sulfuric acid obtained by these methods, an aqueous solution of ammonia or the like with the concentrated or diluted solution, and obtaining a precipitate.
- a method in which the precipitate obtained by filtering the precipitate is dissolved in a sulfuric acid solution, a method in which the roasted product obtained by roasting the precipitate is dissolved in a sulfuric acid solution, and a method in which the aqueous sulfuric acid solution is further concentrated or diluted. Is not limited to these.
- the reducing agent is not particularly limited as long as it can reduce pentavalent vanadium ions to tetravalent vanadium ions, and examples thereof include sulfurous acid (SO 2) and salts thereof, hydrazine, and hydration thereof.
- SO 2 sulfurous acid
- the reducing agent includes sulfurous acid salts such as sulfurous acid gas and ammonium sulfite; salts of hydrazine and hydrazine; salts of hydroxylamine such as hydroxylamine, hydroxylamine sulfate and hydroxylamine hydrochloride, or two or more of these salts. And the like. When used, it can be used as an aqueous solution. Above all, it is preferable to use sulfurous acid gas and hydrazine as the reducing agent because they hardly remain as impurities in the subsequent steps.
- the amount of salicylic acid and at least one of the aqueous solutions of salicylic acid added to the aqueous sulfuric acid solution containing tetravalent vanadium is determined by converting the amount of vanadium in the solution containing vanadium to tetravalent vanadium in terms of the amount of salicylic acid used. Is usually 1 to 30 times mol, preferably 2 to 10 times mol. If the added amount of salicylic acid is too small relative to vanadium, the recovered amount of vanadium will be small, and if too large, the viscosity of the solution will be too high and the operation will be complicated.
- the acid solution prepared in step (a) is then adjusted to pH 37 with an alkali.
- the step (b) of adjusting and precipitating and recovering the salicylic acid compound of vanadium is performed.
- the pH-adjusted solution is allowed to stand at, for example, 0 to 30 ° C. for 1 to 12 hours to precipitate a desired vanadium salicylic acid compound in which vanadium is selectively bonded to salicylic acid as a precipitate or the like. it can.
- alkali used examples include aqueous ammonia, aqueous caustic soda, and aqueous potassium hydroxide.
- the precipitate of the salicylic acid compound of vanadium can be usually recovered by suction filtration, a pressure filter or the like. Also, the remaining salicylic acid can be precipitated and recovered by adjusting the pH to 3 or less again by adding sulfuric acid, etc., and the resulting salicylic acid must be reused in step (a). Can be.
- a step (c) of dissolving vanadium by bringing the precipitate obtained in the step (b) into contact with a sulfuric acid solution is performed.
- the precipitate obtained in the step (b) is brought into contact with a sulfuric acid solution to adjust the pH of the solution usually to 3 or less, preferably to a sulfuric acid concentration for a redox flow battery, so that Vanadium can be separated from salicylic acid from the precipitate and dissolved in a sulfuric acid solution. Therefore, the sulfuric acid solution contains a large amount of salicylic acid as a solid.
- step (d) of separating salicylic acid from the sulfuric acid solution obtained in the step (c) is performed.
- step (d) the salicylic acid can be separated by a known method such as suction filtration.
- the sulfuric acid solution obtained by separating salicylic acid in step (d) is a tetravalent vanadyl sulfate aqueous solution containing a highly pure tetravalent vanadium compound, from which contaminant metals are selectively removed, and the solution is vanadium redox. It can be used as a raw material for an electrolytic solution of a flow battery.
- the solution obtained in the step (d) can be used as an aqueous sulfuric acid solution containing tetravalent vanadium used in the step (a). In such a case, the step (a) — ( d) can be repeated.
- salicylic acid separated and recovered from the residue solution after the precipitate is recovered in step (b) and / or salicylic acid separated in step (d) can be reused in step (a).
- the aqueous solution of vanadyl tetravalent sulfate obtained in step (d) can be purified, for example, by a known method to obtain a tetravalent vanadyl compound such as vanadium hydroxide hydrate or vanadium dioxide with high purity. You can also.
- Water was added to 400 g of combustion ash (water content 20%, vanadium content 7.2 g (when dry)) repaired by a dust collector installed in the flue gas flue of a boiler using petroleum fuel, and a slurry was added. After adjusting the cell concentration to 15%, the pH was further adjusted to pH 1.0 with sulfuric acid. Thereafter, 56 ml of 5% sulfurous acid aqueous solution was added as a reducing agent, and reduction extraction was performed for 2 hours as it was.
- the combusted ash after the extraction was separated by suction filtration to obtain 1.68 liters of a raw material extract (hereinafter, referred to as a raw material extract (X)).
- a raw material extract (hereinafter, referred to as a raw material extract (X)).
- vanadium in the obtained raw material extract (X) was confirmed by a redox titration method, it was found that the total amount was titer. Further, the content of tetravalent vanadium in the raw material extract (X) was measured by a plasma ion source analyzer (ICP analyzer) (trade name: “ICPS8000”, manufactured by Shimadzu Corporation) and found to be 3700 mg / L. Accordingly, it was found that the raw material extract (X) was a sulfuric acid aqueous solution containing tetravalent vanadium.
- ICP analyzer plasma ion source analyzer
- the whole amount of the powdery solid was immediately added to 100 ml of a sulfuric acid aqueous solution having a pH of 1.0 to dissolve vanadium. Suction of salicylic acid remaining in an undissolved state as an insoluble material is performed by suction filtration. The filtrate as a solution, that is, an aqueous solution of vanadyl sulfate (IV) was recovered. Elemental analysis of the resulting aqueous solution of vanadyl sulfate tetravalent was performed by ICP method. Table 1 shows the results.
- the solution in which salicylic acid was dissolved was allowed to stand for 1 mm, and the salicylic acid compound of vanadium, which was a light brown cake-like solid, was collected by suction filtration. The whole amount of the collected solid was directly added to 150 ml of an aqueous sulfuric acid solution having a pH of 1.0 to dissolve vanadium. Suction filtration of salicylic acid remaining in an undissolved state as an insoluble material, The filtrate, which was an aqueous solution of sulfuric acid, was collected to obtain an aqueous solution of vanadinole sulfate.
- Example 3 Using the aqueous solution of vanadyl sulfate tetravalent obtained in Example 3 as a raw material extraction concentrated solution (Y), a series of operations such as addition and dissolution of salicylic acid and recovery of a salicylic acid compound of vanadium were repeated as in Example 3. Was. Elemental analysis was performed on the aqueous solution of the obtained tetravalent vanadyl sulfate, which was adjusted to a tetravalent vanadium concentration of 2000 mass m. Table 2 shows the results.
- a 7% aqueous ammonia solution was added to 630 ml of the raw material extract (X) prepared in Example 1 while stirring to adjust the pH to 6.0, and the mixture was further allowed to stand at room temperature for 3 hours to precipitate a black precipitate. It was collected by suction filtration.
- a 7% aqueous ammonia solution was added to 630 ml of the raw material extract (X) prepared in Example 1 while stirring to adjust the pH to 6.0, and the mixture was further allowed to stand at room temperature for 3 hours, and the precipitated black powder was removed. The solution was collected by suction filtration.
- the powdery filtrate was charged into a rotary kiln-type heating furnace and roasted at 450 ° C. under a nitrogen gas atmosphere to obtain a green-black powder.
- Example 35 compared to Comparative Example 1 in which salicylic acid treatment was not performed, contaminating metals could be removed more effectively, and the final product of the aqueous solution of vanadyl sulfate (IV) had a high purity of vanadium (IV). It became clear that it was included in.
- Example 1 an aqueous solution of sulfuric acid was added to the filtrate (residue liquid) obtained by suction-filtering the salicylic acid compound of vanadium, which was a precipitate, to adjust the pH to 1.0, whereby salicylic acid was precipitated.
- the precipitated salicylic acid was collected by suction filtration.
- the purity of the recovered salicylic acid was 99.7% as determined by HPLC analysis (relative value comparison with a special-grade reagent; peak area ratio).
- Example 1 after vanadium was dissolved in an aqueous solution of sulfuric acid, salicylic acid remaining in an undissolved state as an insoluble substance was collected by suction filtration, washed and washed. The purity of the recovered salicylic acid was determined by HPLC analysis to be 99.8%.
- Example 3 From Table 3, it can be seen that, in comparison with Example 1 using the special grade reagent salicylic acid, the same results as in Example 1 can be obtained even using the recovered salicylic acid.
- Example 2-5 salicylic acid recovered in the same manner as in Example 6 was reused to produce a tetravalent vanadium sulfate aqueous solution in the same manner as in Examples 2-5, and elemental analysis was performed. As a result, the same results were obtained in all cases when the special grade reagent salicylic acid was used.
- the tetravalent vanadyl sulfate obtained by the production method of the present invention can be used as an electrolyte solution raw material for a vanadium redox flow battery. Further, in the production method of the present invention, by using combustion ash generated when fossil fuel is burned as a raw material, such combustion ash can be effectively used.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Fuel Cell (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003291088A JP4339647B2 (ja) | 2003-08-11 | 2003-08-11 | 4価硫酸バナジル水溶液の製造法 |
| JP2003-291088 | 2003-08-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2005014484A1 true WO2005014484A1 (ja) | 2005-02-17 |
Family
ID=34131627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2004/011358 Ceased WO2005014484A1 (ja) | 2003-08-11 | 2004-08-06 | 4価硫酸バナジル水溶液の製造法 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4339647B2 (ja) |
| WO (1) | WO2005014484A1 (ja) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103043721A (zh) * | 2012-12-25 | 2013-04-17 | 攀钢集团攀枝花钢钒有限公司 | 一种制备硫酸氧钒的方法 |
| US8785023B2 (en) | 2008-07-07 | 2014-07-22 | Enervault Corparation | Cascade redox flow battery systems |
| RU2525903C1 (ru) * | 2013-01-24 | 2014-08-20 | Федеральное государственное бюджетное учреждение науки Институт химии твердого тела Уральского отделения Российской академии наук | Способ получения сульфата ванадила |
| US8906529B2 (en) | 2008-07-07 | 2014-12-09 | Enervault Corporation | Redox flow battery system for distributed energy storage |
| US8916281B2 (en) | 2011-03-29 | 2014-12-23 | Enervault Corporation | Rebalancing electrolytes in redox flow battery systems |
| US8980454B2 (en) | 2013-03-15 | 2015-03-17 | Enervault Corporation | Systems and methods for rebalancing redox flow battery electrolytes |
| US8980484B2 (en) | 2011-03-29 | 2015-03-17 | Enervault Corporation | Monitoring electrolyte concentrations in redox flow battery systems |
| WO2016059102A1 (de) * | 2014-10-16 | 2016-04-21 | Schmid Energy Systems Gmbh | Herstellung von vanadylsulfat aus vanadiumpentoxid |
| CN110880606A (zh) * | 2019-11-01 | 2020-03-13 | 四川星明能源环保科技有限公司 | 一种高纯硫酸氧钒的制备方法 |
| CN110970646A (zh) * | 2018-09-29 | 2020-04-07 | 中国科学院大连化学物理研究所 | 一种添加剂在全钒液流电池负极电解液中的应用 |
| CN111479939A (zh) * | 2017-12-04 | 2020-07-31 | 昭和电工株式会社 | 钒酸盐的制造方法 |
| CN115477326A (zh) * | 2022-09-02 | 2022-12-16 | 成都先进金属材料产业技术研究院股份有限公司 | 一种工业钒渣钙化焙烧酸浸液制备高纯硫酸氧钒溶液的方法 |
| WO2023093046A1 (zh) * | 2021-11-25 | 2023-06-01 | 攀钢集团攀枝花钢铁研究院有限公司 | 一种回收四氯化钛精制尾渣制备高纯硫酸氧钒溶液的方法 |
| RU2807979C1 (ru) * | 2021-11-25 | 2023-11-21 | Паньган Груп Паньчжихуа Айрон & Стил Рисерч Инститьют Ко., Лтд. | Способ приготовления высокоочищенного раствора сульфата ванадила из шлама очищенного тетрахлорида титана |
| TWI866146B (zh) * | 2023-04-06 | 2024-12-11 | 虹京金屬股份有限公司 | 硫酸氧釩溶液的製備方法 |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011049103A1 (ja) * | 2009-10-20 | 2011-04-28 | 国立大学法人東北大学 | バナジウム電池 |
| CN102903973B (zh) * | 2011-06-28 | 2015-09-02 | 苏州宝时得电动工具有限公司 | 电池 |
| CN102951680B (zh) * | 2011-08-25 | 2015-03-11 | 攀钢集团钢铁钒钛股份有限公司 | 一种硫酸氧钒的制备方法 |
| CN103420415B (zh) * | 2012-05-15 | 2015-12-02 | 攀钢集团攀枝花钢钒有限公司 | 一种硫酸氧钒的制备方法 |
| CN104282910A (zh) * | 2013-07-12 | 2015-01-14 | 苏州宝时得电动工具有限公司 | 电池 |
| CN103626230B (zh) * | 2013-09-16 | 2015-02-18 | 攀钢集团攀枝花钢铁研究院有限公司 | 一种制备硫酸氧钒的方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000072441A (ja) * | 1998-08-25 | 2000-03-07 | Taiyo Koko Co Ltd | 硫酸バナジウム溶液の製造方法 |
| JP2000247645A (ja) * | 1999-02-24 | 2000-09-12 | Nippon Chem Ind Co Ltd | バナジウム系電解液の製造方法 |
| JP2000247643A (ja) * | 1999-02-24 | 2000-09-12 | Nippon Chem Ind Co Ltd | バナジウム系電解液の製造方法 |
-
2003
- 2003-08-11 JP JP2003291088A patent/JP4339647B2/ja not_active Expired - Fee Related
-
2004
- 2004-08-06 WO PCT/JP2004/011358 patent/WO2005014484A1/ja not_active Ceased
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000072441A (ja) * | 1998-08-25 | 2000-03-07 | Taiyo Koko Co Ltd | 硫酸バナジウム溶液の製造方法 |
| JP2000247645A (ja) * | 1999-02-24 | 2000-09-12 | Nippon Chem Ind Co Ltd | バナジウム系電解液の製造方法 |
| JP2000247643A (ja) * | 1999-02-24 | 2000-09-12 | Nippon Chem Ind Co Ltd | バナジウム系電解液の製造方法 |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8785023B2 (en) | 2008-07-07 | 2014-07-22 | Enervault Corparation | Cascade redox flow battery systems |
| US8906529B2 (en) | 2008-07-07 | 2014-12-09 | Enervault Corporation | Redox flow battery system for distributed energy storage |
| US8916281B2 (en) | 2011-03-29 | 2014-12-23 | Enervault Corporation | Rebalancing electrolytes in redox flow battery systems |
| US8980484B2 (en) | 2011-03-29 | 2015-03-17 | Enervault Corporation | Monitoring electrolyte concentrations in redox flow battery systems |
| CN103043721A (zh) * | 2012-12-25 | 2013-04-17 | 攀钢集团攀枝花钢钒有限公司 | 一种制备硫酸氧钒的方法 |
| RU2525903C1 (ru) * | 2013-01-24 | 2014-08-20 | Федеральное государственное бюджетное учреждение науки Институт химии твердого тела Уральского отделения Российской академии наук | Способ получения сульфата ванадила |
| US8980454B2 (en) | 2013-03-15 | 2015-03-17 | Enervault Corporation | Systems and methods for rebalancing redox flow battery electrolytes |
| WO2016059102A1 (de) * | 2014-10-16 | 2016-04-21 | Schmid Energy Systems Gmbh | Herstellung von vanadylsulfat aus vanadiumpentoxid |
| CN111479939A (zh) * | 2017-12-04 | 2020-07-31 | 昭和电工株式会社 | 钒酸盐的制造方法 |
| CN110970646B (zh) * | 2018-09-29 | 2021-06-25 | 中国科学院大连化学物理研究所 | 一种添加剂在全钒液流电池负极电解液中的应用 |
| CN110970646A (zh) * | 2018-09-29 | 2020-04-07 | 中国科学院大连化学物理研究所 | 一种添加剂在全钒液流电池负极电解液中的应用 |
| CN110880606A (zh) * | 2019-11-01 | 2020-03-13 | 四川星明能源环保科技有限公司 | 一种高纯硫酸氧钒的制备方法 |
| WO2023093046A1 (zh) * | 2021-11-25 | 2023-06-01 | 攀钢集团攀枝花钢铁研究院有限公司 | 一种回收四氯化钛精制尾渣制备高纯硫酸氧钒溶液的方法 |
| RU2807979C1 (ru) * | 2021-11-25 | 2023-11-21 | Паньган Груп Паньчжихуа Айрон & Стил Рисерч Инститьют Ко., Лтд. | Способ приготовления высокоочищенного раствора сульфата ванадила из шлама очищенного тетрахлорида титана |
| CN115477326A (zh) * | 2022-09-02 | 2022-12-16 | 成都先进金属材料产业技术研究院股份有限公司 | 一种工业钒渣钙化焙烧酸浸液制备高纯硫酸氧钒溶液的方法 |
| CN115477326B (zh) * | 2022-09-02 | 2024-01-26 | 成都先进金属材料产业技术研究院股份有限公司 | 一种工业钒渣钙化焙烧酸浸液制备高纯硫酸氧钒溶液的方法 |
| TWI866146B (zh) * | 2023-04-06 | 2024-12-11 | 虹京金屬股份有限公司 | 硫酸氧釩溶液的製備方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4339647B2 (ja) | 2009-10-07 |
| JP2005060155A (ja) | 2005-03-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4339647B2 (ja) | 4価硫酸バナジル水溶液の製造法 | |
| JP5967284B2 (ja) | 高純度スカンジウムの回収方法 | |
| JP6640230B2 (ja) | バナジウム化合物の製造方法、バナジウム溶液の製造方法及びレドックスフローバッテリー電解液の製造方法 | |
| CN107849639B (zh) | 回收钒的方法和氧化还原液流电池用电解液的制造方法,以及回收钒的装置和氧化还原液流电池用电解液的制造装置 | |
| AU2011341872B2 (en) | Method for enrichment-recovering ferronickel from raw material containing nickel, method for recovering nickel from enriched ferronickel, and method for recycling solution containing iron produced from same | |
| WO2014181721A1 (ja) | スカンジウム回収方法 | |
| WO2015115269A1 (ja) | スカンジウム回収方法 | |
| KR101543243B1 (ko) | 유가금속인 몰리브덴과 바나듐을 포함하는 수첨 탈황 폐촉매의 재제조용액으로부터 유가금속의 분리 및 회수방법 | |
| CN104046786B (zh) | 一种从钒渣中回收金属的方法 | |
| WO2016125386A1 (ja) | スカンジウムの回収方法 | |
| CN106636689A (zh) | 一种从稀土废水池沉淀渣中提取稀土的方法 | |
| JP2019127634A (ja) | 高純度酸化スカンジウムの製造方法 | |
| WO2016151959A1 (ja) | スカンジウムの回収方法 | |
| WO2016084830A1 (ja) | 高純度スカンジウムの回収方法 | |
| WO2018043704A1 (ja) | 高純度酸化スカンジウムの製造方法 | |
| AU2016374348B2 (en) | Method for recovering scandium | |
| CN103121716B (zh) | 一种由钒溶液制备五氧化二钒的方法 | |
| JP6256491B2 (ja) | スカンジウムの回収方法 | |
| WO2018043183A1 (ja) | スカンジウムの回収方法 | |
| WO2020138137A1 (ja) | バナジウム酸化物の精製方法 | |
| JP2018070927A (ja) | ビスマスの回収方法 | |
| JP6860628B2 (ja) | バナジウム化合物の製造方法及び製造装置並びにレドックス・フロー電池用電解液の製造方法及び製造装置 | |
| JP7853337B2 (ja) | 廃触媒から有価金属を回収する方法 | |
| JP7453727B1 (ja) | アルミニウムの抽出方法 | |
| JP2019099875A (ja) | リチウムの回収方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
| AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
| 122 | Ep: pct application non-entry in european phase |


