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CN107445205A - A kind of method for producing sodium metavanadate and products thereof and application - Google Patents

A kind of method for producing sodium metavanadate and products thereof and application Download PDF

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Publication number
CN107445205A
CN107445205A CN201710707972.8A CN201710707972A CN107445205A CN 107445205 A CN107445205 A CN 107445205A CN 201710707972 A CN201710707972 A CN 201710707972A CN 107445205 A CN107445205 A CN 107445205A
Authority
CN
China
Prior art keywords
sodium
ammonium
metavanadate
sodium metavanadate
present
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
Application number
CN201710707972.8A
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Chinese (zh)
Inventor
鲁冲
鲁爱霞
窦勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhu Renben Alloy Co Ltd
Original Assignee
Wuhu Renben Alloy Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Priority to CN201710707972.8A priority Critical patent/CN107445205A/en
Publication of CN107445205A publication Critical patent/CN107445205A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G31/00Compounds of vanadium
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/80Compositional purity

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)

Abstract

The invention discloses a kind of method for producing sodium metavanadate and products thereof and application.It the described method comprises the following steps:Soluble ammonium salt is added in containing vanadium leachate and carries out precipitation, obtains ammonium vanadate;Sodium salt is added into ammonium vanadate to be dissolved, and obtains sodium vanadate solution;By sodium vanadate solution evaporative crystallization, sodium metavanadate is obtained.The present invention is without the use of desiliconizing agent, and technique is simple, the reaction time is short, easy to operate;Filtrate can be included into the heavy ammonium metavanadate of vanadium factory and recycle, and pollution is few;Technique productions step is simplified, energy consumption is low, advantage of lower cost.

Description

A kind of method for producing sodium metavanadate and products thereof and application
Technical field
The invention belongs to field of metallurgy, more particularly, to a kind of method for producing sodium metavanadate and products thereof and application.
Background technology
Sodium metavanadate, molecular formula NaVO3, molecular weight 121.93.White or flaxen crystal, relative density 2.79, melt 630 DEG C of point.It is dissolved in water, solubility is 21.1g/100ml H at 25 DEG C2O, it is 38.8g/100ml/H at 75 DEG C2O, it is slightly soluble in Ethanol.Can be used as chemical reagent, catalyst, drier, mordant, manufacture ammonium vanadate and potassium metavanadate, be also used for medical treatment photograph, Plant inoculating and corrosion inhibitor etc..
In the prior art, the preparation method of sodium metavanadate comprises the following steps:By ammonium metavanadate and sodium carbonate, sodium acid carbonate Or sodium hydroxide is added to the water dissolving, microwave heating vacuumizes carry out deamination reaction simultaneously;Solution after deamination is stirred and steamed Hair crystallization, adds ethanol, separates out solid;Obtained solidliquid mixture is filtered, and with ethanol rinse, obtains sodium metavanadate and consolidates Body, vacuum drying.Also it is oriented containing desiliconizing agent is added in vanadium leachate, insoluble matter is removed, obtains low-silicon and low-phosphorous scavenging solution containing vanadium;To Low-silicon and low-phosphorous scavenging solution containing vanadium adds soluble ammonium salt and carries out precipitation, obtains ammonium vanadate;With sodium hydroxide, sodium carbonate or bicarbonate Sodium dissolves ammonium vanadate, removes insoluble matter, obtains sodium vanadate solution, evaporative crystallization obtains high-purity sodium metavanadate.
Though invention more than is with the reaction time is short, supplies consumption is few, filtrate can be included into heavy ammonium metavanadate recycling of vanadium factory etc. Advantage, but processing step complexity easily causes secondary pollution, it is necessary to using desiliconizing agent, is not suitable for significantly promoting.
The content of the invention
The purpose of the present invention is to break away from the step for desiliconizing agent is used in the traditional handicraft for prepare sodium metavanadate, realizes work Skill step is simple, does not cause secondary pollution, the purpose that can significantly promote.
To achieve these goals, the first aspect of the present invention provides a kind of method for producing sodium metavanadate, methods described Comprise the following steps:
Soluble ammonium salt is added in containing vanadium leachate and carries out precipitation, obtains ammonium metavanadate;
Sodium hydroxide is added into ammonium metavanadate to be dissolved, and obtains sodium vanadate solution;
By sodium vanadate solution evaporative crystallization, sodium metavanadate is obtained.
In the present invention, the pH containing vanadium leachate is adjusted as 8.5~9.5 using conditioning agent.
In the present invention, reaction temperature is 60~70 DEG C.
In the present invention, the conditioning agent is sodium hydroxide and/or sodium acid carbonate.
In the present invention, the mol ratio of the ammonium ion in ammonium salt and vanadium ion in scavenging solution containing vanadium is 0.45~0.75: 1.
In the present invention, soluble ammonium salt includes at least one of ammonium sulfate, ammonium chloride and ammonium nitrate.
In the present invention, the ammonium sulfate, ammonium chloride and ammonium nitrate are AR.
The second aspect of the present invention provide as it is described produce the method for sodium metavanadate made from sodium metavanadate.
In the present invention, the composition of sodium metavanadate contains the NaVO no less than 99.7% by weight percentage3, heavy metal contains Amount is not more than 0.03%.
The third aspect of the present invention provides application of the described sodium metavanadate in field of metallurgy.
Compared with prior art, the present invention has advantages below:
1st, without the use of desiliconizing agent, technique is simple, the reaction time is short, easy to operate;
2nd, filtrate can be included into the heavy ammonium metavanadate of vanadium factory and recycle, and pollution is few;
3rd, technique productions step is simplified, energy consumption is low, advantage of lower cost.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Embodiment
The preferred embodiment of the present invention is described in more detail below.Although the following describe being preferable to carry out for the present invention Mode, however, it is to be appreciated that may be realized in various forms the present invention without should be limited by embodiments set forth herein.Phase Instead, there is provided these embodiments be in order that the present invention is more thorough and complete, and can be by the scope of the present invention intactly It is communicated to those skilled in the art.
A kind of method for producing sodium metavanadate of offer of the present invention, the described method comprises the following steps:
Soluble ammonium salt is added in containing vanadium leachate and carries out precipitation, obtains ammonium metavanadate;Hydrogen is added into ammonium metavanadate Sodium oxide molybdena is dissolved, and obtains sodium vanadate solution;By sodium vanadate solution evaporative crystallization, sodium metavanadate is obtained.
In the present invention, the pH containing vanadium leachate is adjusted as 8.5~9.5 using conditioning agent.
In the present invention, reaction temperature is 60~70 DEG C.
In the present invention, the conditioning agent is sodium hydroxide and/or sodium acid carbonate.
In the present invention, the mol ratio of the ammonium ion in ammonium salt and vanadium ion in scavenging solution containing vanadium is 0.45~0.75: 1.
In the present invention, soluble ammonium salt includes at least one of ammonium sulfate, ammonium chloride and ammonium nitrate.
In the present invention, the ammonium sulfate, ammonium chloride and ammonium nitrate are AR.
Present invention additionally comprises as it is described produce the method for sodium metavanadate made from sodium metavanadate.
In the present invention, the composition of sodium metavanadate contains the NaVO no less than 99.7% by weight percentage3, heavy metal contains Amount is not more than 0.03%.
Embodiment 1
Precipitation is carried out to the ammonium sulfate being made up of containing addition in vanadium leachate AR, obtains ammonium metavanadate;To inclined Sodium hydroxide is added in ammonium vanadate to be dissolved, and obtains sodium vanadate solution;By sodium vanadate solution evaporative crystallization, metavanadic acid is obtained Sodium.In the present invention, the pH containing vanadium leachate is adjusted as 8.5 using sodium hydroxide.In the present invention, reaction temperature is 60 DEG C.The present invention In, the mol ratio of the ammonium ion in ammonium salt and vanadium ion in scavenging solution containing vanadium is 0.45: 1.
In the present invention, the composition of sodium metavanadate contains the NaVO no less than 99.7% by weight percentage3, heavy metal contains Amount is not more than 0.03%.
Embodiment 2
Precipitation is carried out to the ammonium chloride being made up of containing addition in vanadium leachate AR, obtains ammonium metavanadate;To inclined Sodium salt is added in ammonium vanadate to be dissolved, and obtains sodium vanadate solution;By sodium vanadate solution evaporative crystallization, sodium metavanadate is obtained.
In the present invention, the pH containing vanadium leachate is adjusted as 9 using sodium hydroxide.In the present invention, reaction temperature is 65 DEG C.This hair In bright, the mol ratio of the ammonium ion in ammonium salt and vanadium ion in scavenging solution containing vanadium is 0.65: 1.
In the present invention, the composition of sodium metavanadate contains the NaVO no less than 99.7% by weight percentage3, heavy metal contains Amount is not more than 0.03%.
Embodiment 3
Precipitation is carried out to the ammonium nitrate being made up of containing addition in vanadium leachate AR, obtains ammonium metavanadate;To inclined Sodium hydroxide is added in ammonium vanadate to be dissolved, and obtains sodium vanadate solution;By sodium vanadate solution evaporative crystallization, metavanadic acid is obtained Sodium.In the present invention, the pH containing vanadium leachate is adjusted as 9.5 using sodium hydroxide.In the present invention, reaction temperature is 70 DEG C.The present invention In, the mol ratio of the ammonium ion in ammonium salt and vanadium ion in scavenging solution containing vanadium is 0.75: 1.
The composition of the present embodiment sodium metavanadate contains the NaVO no less than 99.7% by weight percentage3, heavy metal contains Amount is not more than 0.03%.
It is described above various embodiments of the present invention, described above is exemplary, and non-exclusive, and It is not limited to disclosed each embodiment.In the case of without departing from the scope and spirit of illustrated each embodiment, for this skill Many modifications and changes will be apparent from for the those of ordinary skill in art field.

Claims (10)

  1. A kind of 1. method for producing sodium metavanadate, it is characterised in that the described method comprises the following steps:
    Soluble ammonium salt is added in containing vanadium leachate and carries out precipitation, obtains ammonium metavanadate;
    Sodium hydroxide is added into ammonium metavanadate to be dissolved, and obtains sodium vanadate solution;
    By sodium vanadate solution evaporative crystallization, sodium metavanadate is obtained.
  2. 2. the method according to claim 1 for producing sodium metavanadate, wherein, using conditioning agent adjust the pH containing vanadium leachate as 8.5~9.5.
  3. 3. the method according to claim 1 for producing sodium metavanadate, wherein, reaction temperature is 60~70 DEG C.
  4. 4. the method according to claim 1 for producing sodium metavanadate, wherein, the conditioning agent is sodium hydroxide and/or carbon Sour hydrogen sodium.
  5. 5. the method according to claim 1 for producing sodium metavanadate, wherein, the ammonium ion in ammonium salt and scavenging solution containing vanadium The mol ratio of middle vanadium ion is 0.45~0.75: 1.
  6. 6. the method according to claim 1 for producing sodium metavanadate, wherein, the soluble ammonium salt includes ammonium sulfate, chlorine Change at least one of ammonium and ammonium nitrate.
  7. 7. the method according to claim 6 for producing sodium metavanadate, wherein, the ammonium sulfate, ammonium chloride and ammonium nitrate are equal For AR.
  8. 8. as described in any one in claim 1-7 produce the method for sodium metavanadate made from sodium metavanadate.
  9. 9. sodium metavanadate according to claim 8, it is characterised in that the composition of sodium metavanadate contains by weight percentage NaVO no less than 99.7%3, content of beary metal is not more than 0.03%.
  10. 10. sodium metavanadate described in claim 9 is in the application of field of metallurgy.
CN201710707972.8A 2017-08-17 2017-08-17 A kind of method for producing sodium metavanadate and products thereof and application Pending CN107445205A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110723750A (en) * 2019-10-24 2020-01-24 成都先进金属材料产业技术研究院有限公司 Direct preparation of high-purity V from alkaline vanadium-containing leaching solution2O5Method (2)
CN112899483A (en) * 2021-01-18 2021-06-04 武汉科技大学 Method for selectively extracting and separating vanadium from vanadium-molybdenum waste residue
CN117105267A (en) * 2023-09-20 2023-11-24 攀钢集团研究院有限公司 Method for preparing sodium metavanadate from sodium vanadate solution

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101746822A (en) * 2009-12-30 2010-06-23 攀钢集团攀枝花钢钒有限公司 Method for extracting sodium metavanadate from vanadium extraction leaching solution
CN104495925A (en) * 2015-01-07 2015-04-08 攀钢集团研究院有限公司 Method for preparing sodium metavanadate
CN106430305A (en) * 2016-08-31 2017-02-22 大连博融新材料股份有限公司 Production method of high-density ammonium metavanadate

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101746822A (en) * 2009-12-30 2010-06-23 攀钢集团攀枝花钢钒有限公司 Method for extracting sodium metavanadate from vanadium extraction leaching solution
CN104495925A (en) * 2015-01-07 2015-04-08 攀钢集团研究院有限公司 Method for preparing sodium metavanadate
CN106430305A (en) * 2016-08-31 2017-02-22 大连博融新材料股份有限公司 Production method of high-density ammonium metavanadate

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
官清等: "用偏钒酸铵制备偏钒酸钠工艺研究", 《无机盐工业》 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110723750A (en) * 2019-10-24 2020-01-24 成都先进金属材料产业技术研究院有限公司 Direct preparation of high-purity V from alkaline vanadium-containing leaching solution2O5Method (2)
CN112899483A (en) * 2021-01-18 2021-06-04 武汉科技大学 Method for selectively extracting and separating vanadium from vanadium-molybdenum waste residue
CN112899483B (en) * 2021-01-18 2023-08-15 武汉科技大学 Method for selectively extracting and separating vanadium from vanadium-molybdenum waste residues
CN117105267A (en) * 2023-09-20 2023-11-24 攀钢集团研究院有限公司 Method for preparing sodium metavanadate from sodium vanadate solution

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Application publication date: 20171208

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