CN112095024B - Vanadium extraction method of sodium-modified vanadium extraction tailings - Google Patents

Vanadium extraction method of sodium-modified vanadium extraction tailings Download PDF

Info

Publication number
CN112095024B
CN112095024B CN202010807801.4A CN202010807801A CN112095024B CN 112095024 B CN112095024 B CN 112095024B CN 202010807801 A CN202010807801 A CN 202010807801A CN 112095024 B CN112095024 B CN 112095024B
Authority
CN
China
Prior art keywords
vanadium
sodium
vanadium extraction
modified
tailings
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.)
Active
Application number
CN202010807801.4A
Other languages
Chinese (zh)
Other versions
CN112095024A (en
Inventor
郝建璋
曾冠武
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.)
Pangang Group Panzhihua Iron and Steel Research Institute Co Ltd
Original Assignee
Pangang Group Panzhihua Iron and Steel Research Institute 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
Application filed by Pangang Group Panzhihua Iron and Steel Research Institute Co Ltd filed Critical Pangang Group Panzhihua Iron and Steel Research Institute Co Ltd
Priority to CN202010807801.4A priority Critical patent/CN112095024B/en
Publication of CN112095024A publication Critical patent/CN112095024A/en
Application granted granted Critical
Publication of CN112095024B publication Critical patent/CN112095024B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B34/00Obtaining refractory metals
    • C22B34/20Obtaining niobium, tantalum or vanadium
    • C22B34/22Obtaining vanadium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B7/00Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/006Wet processes
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

Abstract

The invention relates to the technical field of chemical industry and comprehensive resource utilization, and discloses a vanadium extraction method of sodium-modified vanadium extraction tailings. The method comprises the following steps: (1) adding magnesium oxide powder or magnesium hydroxide fine powder and an optional leaching aid into the sodium-modified vanadium extraction tailings, then adding water, mixing and ball-milling to form homogeneous slurry; (2) placing the slurry in a high-pressure reaction kettle for hydrothermal reaction; (3) and filtering after the reaction is finished to obtain a vanadium-containing solution and vanadium extraction residues. The invention adopts a full-wet hydrothermal extraction process, does not generate waste gas, has high degree of cleanness and is environment-friendly; compared with the traditional pyrogenic process, the method has low production cost, the leaching rate of vanadium in the sodium-modified vanadium extraction tailings can reach 69 percent at most, a large amount of vanadium can be recovered, and the economic benefit and the social benefit are better; the method has simple and feasible process operation, and the vanadium-containing solution can obtain the vanadium flakes with the grade of more than 98 percent after concentration and vanadium precipitation.

Description

Vanadium extraction method of sodium-modified vanadium extraction tailings
Technical Field
The invention relates to the technical field of chemical engineering and comprehensive utilization of resources, in particular to a vanadium extraction method of sodium-modified vanadium extraction tailings.
Background
The existing vanadium extraction process mainly comprises a sodium vanadium extraction process and a calcium vanadium extraction process. Compared with the calcium vanadium extraction process, the sodium vanadium extraction process is relatively mature, the vanadium yield is relatively high, the cost is relatively low, but a large amount of sodium vanadium extraction tailings are generated in the production process, and the difficulty in comprehensive resource utilization is high. At present, the main treatment mode is a pyrogenic process, namely, sodium salt is added into tailings, the tailings are roasted at 600 ℃ and then leached to obtain a vanadium-containing solution, and vanadium is further precipitated after concentration.
Therefore, a method for extracting vanadium, which has the advantages of simple and environment-friendly production process, low production cost and high vanadium extraction rate, is urgently needed.
Disclosure of Invention
In order to overcome the problems in the prior art, the invention provides a vanadium extraction method of sodium-modified vanadium extraction tailings, which comprises the following steps:
(1) adding magnesium oxide powder or magnesium hydroxide fine powder and an optional leaching aid into the sodium-modified vanadium extraction tailings, then adding water, mixing and ball-milling to form homogeneous slurry;
(2) placing the slurry in a high-pressure reaction kettle for hydrothermal reaction;
(3) and filtering after the reaction is finished to obtain a vanadium-containing solution and vanadium extraction residues.
Preferably, the sodium-modified vanadium extraction tailings contain 38-47 wt% of ferric oxide, 10.5-12 wt% of titanium dioxide, 15.5-17 wt% of silicon dioxide, 5-6 wt% of sodium oxide, 9-10 wt% of manganese oxide, 4.5-5 wt% of magnesium oxide, 3.5-4 wt% of aluminum oxide, 2-3 wt% of calcium oxide, 1-2 wt% of vanadium pentoxide and 2-3 wt% of chromium oxide.
Preferably, in the step (1), the magnesium oxide powder or the magnesium hydroxide fine powder accounts for 5-10 parts by weight and the leaching aid accounts for 0-0.5 part by weight based on 100 parts by weight of the total weight of the sodium-modified vanadium extraction tailings, the magnesium oxide powder or the magnesium hydroxide fine powder and the leaching aid.
Preferably, the leaching aid is sodium polyphosphate and/or sodium hexametaphosphate.
Preferably, the particle size of the sodium-modified vanadium extraction tailings is below 0.2 mm.
Preferably, the purity of the magnesium oxide powder or the magnesium hydroxide fine powder is more than 95%.
Preferably, the particle size of the magnesium oxide powder or the magnesium hydroxide fine powder is below 0.074 mm.
Preferably, in step (1), water is added in a volume ratio of 2-8: 1.
Preferably, the water is industrial water.
Preferably, in step (1), the ball milling time is 30 to 60 minutes.
Preferably, in step (2), the hydrothermal reaction conditions are: the reaction temperature is 60-200 ℃; the reaction time is 30-180 min.
Preferably, in step (2), the hydrothermal reaction conditions are: the reaction temperature is 120-130 ℃; the reaction time is 60-80 min.
Preferably, the method further comprises the step of concentrating and precipitating the vanadium-containing solution obtained in the step (3) to obtain the vanadium flakes with the grade of more than 98%.
Compared with the prior art, the invention has the following advantages:
1) the invention adopts a full-wet hydrothermal extraction process, does not generate waste gas, has high degree of cleanness and is environment-friendly.
2) Compared with the traditional pyrogenic process, the method has low production cost, the leaching rate of vanadium in the sodium-modified vanadium extraction tailings can reach 69 percent at most, a large amount of vanadium can be recovered, and the method has good economic and social benefits.
3) The method has simple and feasible process operation, and the vanadium-containing solution can obtain the vanadium flakes with the grade of more than 98 percent after concentration and vanadium precipitation.
Drawings
FIG. 1 is a process flow diagram of a vanadium extraction method of sodium-modified vanadium extraction tailings.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
The endpoints of the ranges and any values disclosed herein are not limited to the precise range or value, and such ranges or values should be understood to encompass values close to those ranges or values. For ranges of values, between the endpoints of each of the ranges and the individual points, and between the individual points may be combined with each other to give one or more new ranges of values, and these ranges of values should be considered as specifically disclosed herein.
Sodium in the sodium-modified vanadium extraction tailings mainly exists in the form of sodium silicate, and vanadium mainly exists in pyroxene solid solution and iron oxide. The inventor finds that the extraction of vanadium can be realized by adding active magnesium oxide powder or magnesium hydroxide fine powder into the sodium-modified vanadium extraction tailings, and replacing magnesium ions with sodium ions through the pressurized hydrothermal action, so that sodium is dissolved out in the forms of sodium vanadate, sodium hydroxide and the like. Based on the principle, the invention provides a vanadium extraction method of sodium-modified vanadium extraction tailings.
As shown in fig. 1, the method comprises the steps of:
(1) adding magnesium oxide powder or magnesium hydroxide fine powder and an optional leaching aid into the sodium-modified vanadium extraction tailings, then adding water, mixing and ball-milling to form homogeneous slurry;
(2) placing the slurry in a high-pressure reaction kettle for hydrothermal reaction;
(3) and filtering after the reaction is finished to obtain a vanadium-containing solution and vanadium extraction residues.
In the method, the sodium-modified vanadium extraction tailings comprise 38-47 wt% of ferric oxide, 10.5-12 wt% of titanium dioxide, 15.5-17 wt% of silicon dioxide, 5-6 wt% of sodium oxide, 9-10 wt% of manganese oxide, 4.5-5 wt% of magnesium oxide, 3.5-4 wt% of aluminum oxide, 2-3 wt% of calcium oxide, 1-2 wt% of vanadium pentoxide and 2-3 wt% of chromium trioxide.
In order to replace magnesium ions with sodium ions and realize extraction of vanadium, proper amount of magnesium oxide powder or magnesium hydroxide fine powder is required to be added into the tailings of sodium-modified vanadium extraction.
In the step (1), the total weight of the tailings of sodium-modified vanadium extraction, the fine powder of magnesium oxide or magnesium hydroxide and the leaching aid is 100 parts by weight, the fine powder of magnesium oxide or magnesium hydroxide is 5-10 parts by weight, and the leaching aid is 0-0.5 part by weight.
In specific embodiments, the magnesium oxide powder or magnesium hydroxide fine powder may be 5 parts by weight, 6 parts by weight, 7 parts by weight, 8 parts by weight, 9 parts by weight, or 10 parts by weight.
In specific embodiments, the infusion aid may or may not be added. In order to improve the leaching rate of vanadium, in a preferred embodiment, a proper amount of leaching aid can be added into the sodium-modified vanadium extraction tailings.
In the method of the present invention, the leaching aid may be selected conventionally in the art, and is not particularly limited as long as the leaching rate of vanadium can be increased.
In particular embodiments, the leaching aid may be sodium polyphosphate and/or sodium hexametaphosphate. In a preferred embodiment, the leaching aid is sodium hexametaphosphate.
Before the method disclosed by the invention is adopted to extract vanadium, pretreatment needs to be carried out on the sodium-modified vanadium extraction tailings, and specifically, the operation can comprise the operations of impurity removal, crushing and the like.
In a specific embodiment, the particle size of the sodium-modified vanadium extraction tailings is less than or equal to 0.2mm through crushing. In a preferred embodiment, the particle size of the sodium-modified vanadium extraction tailings is less than or equal to 0.1 mm.
Herein, the particle size refers to the size of the particle diameter unless otherwise specified.
In the method of the invention, in order to reduce the introduction of impurities and improve the leaching rate of vanadium, the purity of the used magnesium oxide powder or magnesium hydroxide fine powder is limited to a certain extent.
In a specific embodiment, the purity of the magnesium oxide powder or magnesium hydroxide fine powder is 95% or more. In a preferred embodiment, the purity of the magnesium oxide powder or magnesium hydroxide fine powder is 98% or more.
In order to completely replace the magnesium ions with sodium ions and to increase the leaching rate of vanadium, the particle size of the magnesium oxide powder or magnesium hydroxide fine powder needs to be limited to an appropriate range.
In a specific embodiment, the particle size of the magnesium oxide powder or magnesium hydroxide fine powder is below 0.074 mm. In a preferred embodiment, the particle size of the magnesium oxide powder or magnesium hydroxide fine powder is 0.05mm or less.
In the method of the invention, in order to mix the raw materials uniformly and not waste water resources, the liquid-solid ratio needs to be controlled reasonably. In the invention, the tailings of sodium-modified vanadium extraction, the magnesium oxide powder or the magnesium hydroxide fine powder and the leaching aid are solid raw materials, and the water is a liquid raw material.
In a specific embodiment, in step (1), water may be added in a liquid-to-solid ratio of 2:1, 3:1, 4:1, 5:1, 6:1, 7:1, or 8:1 by volume. Herein, the liquid-solid ratio is the ratio of the sum of the sodium-modified vanadium extraction tailings, the magnesium oxide powder or the magnesium hydroxide fine powder and the leaching aid to water.
In the process according to the invention, for cost saving, in a preferred embodiment the water is industrial water.
After water is added, the solid raw materials and the water can be mixed in a ball mill to form homogeneous slurry, so that conditions are created for the subsequent hydrothermal reaction.
In a specific embodiment, in step (1), the ball milling time may be any value within a range of 30 minutes, 35 minutes, 40 minutes, 45 minutes, 50 minutes, 55 minutes, 60 minutes, and any two of these points.
In a preferred embodiment, in step (1), the ball milling time is 30 minutes.
In the method, in order to completely replace magnesium ions and sodium ions and further improve the leaching rate of vanadium in the sodium-modified vanadium extraction tailings, the temperature and time of the hydrothermal reaction need to be reasonably controlled.
In the step (2), the reaction temperature of the hydrothermal reaction is 60-200 ℃; specifically, for example, the temperature may be 60 ℃, 80 ℃, 100 ℃, 120 ℃, 140 ℃, 160 ℃, 180 ℃ or 200 ℃.
In a preferred embodiment, in step (2), the reaction temperature of the hydrothermal reaction is 120-130 ℃.
In the step (2), the reaction time of the hydrothermal reaction is 30-180 min; specifically, it may be 30min, 40min, 60min, 80min, 100min, 120min, 140min, 160min, or 180min, for example.
In a preferred embodiment, in step (2), the reaction time of the hydrothermal reaction is 60 to 80 min.
In a preferred embodiment, the method for extracting vanadium from the sodium-modified vanadium extraction tailings provided by the invention comprises the following steps:
(1) adding 10 wt% of magnesium oxide powder and 0.2 wt% of sodium hexametaphosphate into the sodium-modified vanadium extraction tailings, then adding industrial water according to the volume ratio of 8:1, and mixing and ball-milling in a ball mill for 30min to form homogeneous slurry, wherein the particle size of the sodium-modified vanadium extraction tailings is below 0.1mm, the purity of the magnesium oxide powder is above 98%, and the particle size of the magnesium oxide powder is below 0.05 mm;
(2) placing the slurry in a high-pressure reaction kettle to perform hydrothermal reaction at 120 ℃ for 60 min;
(3) and filtering after the reaction is finished to obtain a vanadium-containing solution and vanadium extraction residues.
In the method of the invention, after the vanadium-containing solution is obtained, the vanadium-containing solution can be further processed by adopting the operation commonly used in the field to obtain the vanadium product.
In a preferred embodiment, the vanadium-containing solution obtained in step (3) can be concentrated and precipitated to obtain vanadium flakes with a grade of more than 98%.
The present invention will be described in detail by way of examples, but the scope of the present invention is not limited thereto.
In the method, the specific measurement method for the leaching rate of vanadium in the sodium-modified vanadium extraction tailings comprises the following steps: firstly detecting the content of all vanadium in the sodium-modified vanadium extraction tailings, then leaching part of vanadium in the sodium-modified vanadium extraction tailings by adopting the method of the invention, detecting the content of residual vanadium in the vanadium extraction residues, and calculating the leaching rate of vanadium according to a formula, wherein,
the vanadium leaching rate is (the content of all vanadium in the sodium-modified vanadium extraction tailings-the content of residual vanadium in the vanadium extraction residue)/the content of all vanadium in the sodium-modified vanadium extraction tailings is multiplied by 100 percent.
Example 1
Adding 5 wt% of magnesium oxide powder and 0.5 wt% of sodium hexametaphosphate into the sodium-modified vanadium extraction tailings, then adding industrial water according to the volume ratio of 6:1, and carrying out ball milling for 45min in a ball mill to ensure that magnesium oxide, a leaching aid and the sodium-modified vanadium extraction tailings are fully and uniformly mixed to form homogeneous slurry, wherein the particle size of the sodium-modified vanadium extraction tailings is below 0.2mm, the purity of the magnesium oxide powder is above 95%, and the particle size of the magnesium oxide powder is below 0.074 mm; putting the slurry into a high-pressure reaction kettle, and carrying out hydrothermal reaction at 200 ℃ for 30 min; and filtering the slurry after reaction to obtain a vanadium-containing solution and vanadium-extracted residues. The leaching rate of vanadium in the sodium-modified vanadium extraction tailings is up to 62 percent.
Example 2
Adding 10 wt% of magnesium oxide powder and 0.2 wt% of sodium hexametaphosphate into the sodium-modified vanadium extraction tailings, then adding industrial water according to the volume ratio of 8:1, and carrying out ball milling in a ball mill for 30min to ensure that magnesium oxide, a leaching aid and the sodium-modified vanadium extraction tailings are fully and uniformly mixed to form homogeneous slurry, wherein the particle size of the sodium-modified vanadium extraction tailings is below 0.15mm, the purity of the magnesium oxide powder is above 98%, and the particle size of the magnesium oxide powder is below 0.05 mm; putting the slurry into a high-pressure reaction kettle, and carrying out hydrothermal reaction at 120 ℃ for 60 min; and filtering the slurry after reaction to obtain a vanadium-containing solution and vanadium-extracted residues. The leaching rate of vanadium in the sodium-modified vanadium extraction tailings is up to 69 percent.
Example 3
Adding 8 wt% of magnesium hydroxide fine powder into the sodium-modified vanadium extraction tailings, then adding industrial water according to the volume ratio of 2:1, and carrying out ball milling in a ball mill for 60min to ensure that the magnesium hydroxide fine powder and the sodium-modified vanadium extraction tailings are fully and uniformly mixed and form homogeneous slurry, wherein the particle size of the sodium-modified vanadium extraction tailings is below 0.2mm, the purity of the magnesium hydroxide fine powder is above 95%, and the particle size of the magnesium hydroxide fine powder is below 0.074 mm; putting the slurry into a high-pressure reaction kettle, and carrying out hydrothermal reaction at 60 ℃ for 180 min; and filtering the slurry after reaction to obtain a vanadium-containing solution and vanadium-extracted residues. The leaching rate of vanadium in the sodium-modified vanadium extraction tailings is measured to be up to 52 percent.
Example 4
The procedure of example 2 was followed, except that the leaching aid added was sodium polyphosphate. The leaching rate of vanadium in the sodium-modified vanadium extraction tailings is up to 65 percent.
Example 5
The process of example 2 was followed, except that the slurry was placed in an autoclave and the hydrothermal reaction was carried out at 130 ℃. The leaching rate of vanadium in the sodium-modified vanadium extraction tailings is up to 68 percent.
Example 6
The process of example 2 was followed, except that the slurry was placed in an autoclave for hydrothermal reaction for 80 min. The leaching rate of vanadium in the sodium-modified vanadium extraction tailings is up to 69 percent.
Example 7
The method is implemented according to the method of the embodiment 2, and is different from the method that the vanadium-containing solution is concentrated and precipitated to obtain the vanadium flakes with the grade of more than 98%.
Comparative example 1
The method is implemented according to the method of the example 2, except that no magnesia powder is added into the sodium-modified vanadium extraction tailings. The leaching rate of vanadium in the sodium-modified vanadium extraction tailings is measured to be 31 percent.
Comparative example 2
The method of example 2 was followed, except that 3 wt% of magnesium oxide powder was added to the tailings of sodium-modified vanadium extraction. The leaching rate of vanadium in the sodium-modified vanadium extraction tailings is 47 percent.
Comparative example 3
The process was carried out as in example 3, except that industrial water was added in a volume ratio of 1: 1. The leaching rate of vanadium in the sodium-modified vanadium extraction tailings is measured to be 45%.
Comparative example 4
The process of example 3 was followed, except that the slurry was placed in an autoclave and the hydrothermal reaction was carried out at 250 ℃. The leaching rate of vanadium in the sodium-modified vanadium extraction tailings is measured to be 46%.
Comparative example 5
The process of example 3 was followed, except that the slurry was placed in an autoclave for hydrothermal reaction for 20 min. The leaching rate of vanadium in the sodium-modified vanadium extraction tailings is measured to be 45%.
It can be seen from the results in the above examples and comparative examples that the vanadium of the tailings obtained by sodium treatment vanadium extraction according to the method of the present invention has a leaching rate of vanadium of more than 52%, and the leaching rate of vanadium can reach 69% at most, and the vanadium-containing solution is concentrated and precipitated to obtain vanadium flakes with a grade of more than 98%; and the leaching rate of vanadium in the comparative example is below 50 percent, so that the method can obviously improve the leaching rate of vanadium in the sodium-modified vanadium extraction tailings.
The preferred embodiments of the present invention have been described above in detail, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, many simple modifications can be made to the technical solution of the invention, including combinations of various technical features in any other suitable way, and these simple modifications and combinations should also be regarded as the disclosure of the invention, and all fall within the scope of the invention.

Claims (7)

1. A vanadium extraction method of sodium-modified vanadium extraction tailings is characterized by comprising the following steps:
(1) adding magnesium oxide powder or magnesium hydroxide fine powder and an auxiliary leaching agent into the sodium-modified vanadium extraction tailings, then adding water, mixing and ball-milling to form homogeneous slurry, wherein the granularity of the sodium-modified vanadium extraction tailings is below 0.2mm, the magnesium oxide powder or magnesium hydroxide fine powder accounts for 5-10 parts by weight and the auxiliary leaching agent accounts for 0-0.5 part by weight based on 100 parts by weight of the total weight of the sodium-modified vanadium extraction tailings, the magnesium oxide powder or the magnesium hydroxide fine powder and the auxiliary leaching agent;
(2) placing the slurry in a high-pressure reaction kettle to carry out hydrothermal reaction, wherein the hydrothermal reaction conditions are as follows: the reaction temperature is 120-130 ℃; the reaction time is 60-80 min;
(3) filtering after the reaction is finished to obtain a vanadium-containing solution and vanadium extraction residues;
the sodium-modified vanadium extraction tailings contain 38-47 wt% of ferric oxide, 10.5-12 wt% of titanium dioxide, 15.5-17 wt% of silicon dioxide, 5-6 wt% of sodium oxide, 9-10 wt% of manganese oxide, 4.5-5 wt% of magnesium oxide, 3.5-4 wt% of aluminum oxide, 2-3 wt% of calcium oxide, 1-2 wt% of vanadium pentoxide and 2-3 wt% of chromium sesquioxide;
in the step (1), water is added according to the volume ratio of liquid to solid of 2-8: 1.
2. The method according to claim 1, wherein the leaching aid is sodium polyphosphate and/or sodium hexametaphosphate.
3. The method according to claim 1, wherein the purity of the magnesium oxide powder or the magnesium hydroxide fine powder is 95% or more.
4. The method of claim 1, wherein the particle size of the magnesium oxide powder or magnesium hydroxide fine powder is below 0.074 mm.
5. The method according to claim 1, wherein in step (1), the water is industrial water.
6. The method of claim 1, wherein in step (1), the ball milling time is 30 to 60 minutes.
7. The method according to claim 1, characterized by further comprising the step of concentrating and precipitating the vanadium-containing solution obtained in the step (3) to obtain the vanadium flakes with a grade of more than 98%.
CN202010807801.4A 2020-08-12 2020-08-12 Vanadium extraction method of sodium-modified vanadium extraction tailings Active CN112095024B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010807801.4A CN112095024B (en) 2020-08-12 2020-08-12 Vanadium extraction method of sodium-modified vanadium extraction tailings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010807801.4A CN112095024B (en) 2020-08-12 2020-08-12 Vanadium extraction method of sodium-modified vanadium extraction tailings

Publications (2)

Publication Number Publication Date
CN112095024A CN112095024A (en) 2020-12-18
CN112095024B true CN112095024B (en) 2022-08-05

Family

ID=73754498

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010807801.4A Active CN112095024B (en) 2020-08-12 2020-08-12 Vanadium extraction method of sodium-modified vanadium extraction tailings

Country Status (1)

Country Link
CN (1) CN112095024B (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010111941A (en) * 2008-10-07 2010-05-20 Kobe Steel Ltd Method for producing ferrovanadium
CN102851487A (en) * 2011-06-27 2013-01-02 攀钢集团有限公司 Mixture, method for recovering ferro-vanadium bag dedusting material, and vanadium extraction method
CN103482890A (en) * 2013-09-10 2014-01-01 武汉理工大学 Method for preparing geopolymers by taking stone coal vanadium extraction tailings as main raw materials
CN103602765A (en) * 2013-12-03 2014-02-26 攀枝花钢城集团有限公司 Method for separation of slag and iron in shaft furnace molten iron solid slag
CN104926131A (en) * 2015-06-05 2015-09-23 中国科学院过程工程研究所 Vanadium titano-magnetite tailing glass-ceramic and preparation method thereof
CN105002367A (en) * 2015-08-20 2015-10-28 攀钢集团攀枝花钢铁研究院有限公司 Treating method of tailings generated from vanadium extraction
CN107892317A (en) * 2017-11-14 2018-04-10 河钢股份有限公司承德分公司 A kind of vanadium reclaimed in calcification precipitation tailings and the method for preparing nano-calcium carbonate
CN109609765A (en) * 2018-11-29 2019-04-12 攀枝花学院 A kind of method of ultralow grade waste containing vanadium separation and concentration vanadium
CN110747358A (en) * 2019-10-16 2020-02-04 北京科技大学 Method for precipitating vanadium from vanadium-containing oxalic acid leaching mother liquor by hydrothermal method
CN111041200A (en) * 2019-11-18 2020-04-21 北京科技大学 Method for leaching vanadium, titanium and chromium from vanadium, titanium and chromium raw materials by organic acid through hydrothermal method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103643045A (en) * 2013-12-09 2014-03-19 攀钢集团研究院有限公司 Treatment method of vanadium extraction tailings
CN104120271B (en) * 2014-06-24 2018-09-25 中国科学院过程工程研究所 A kind of process of vanadium slag carbon alkali leaching hydrogen reduction method clean manufacturing barium oxide
CN105063380A (en) * 2015-09-15 2015-11-18 攀钢集团攀枝花钢铁研究院有限公司 Vanadium extraction method
CN106929696A (en) * 2017-04-27 2017-07-07 攀钢集团研究院有限公司 TiCl4Refine method of the tailings ammonium soak for high-purity vanadium oxide
CN109666796B (en) * 2018-09-05 2021-02-12 大连博融新材料有限公司 Recovery method of vanadium-containing neutralization slag

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010111941A (en) * 2008-10-07 2010-05-20 Kobe Steel Ltd Method for producing ferrovanadium
CN102851487A (en) * 2011-06-27 2013-01-02 攀钢集团有限公司 Mixture, method for recovering ferro-vanadium bag dedusting material, and vanadium extraction method
CN103482890A (en) * 2013-09-10 2014-01-01 武汉理工大学 Method for preparing geopolymers by taking stone coal vanadium extraction tailings as main raw materials
CN103602765A (en) * 2013-12-03 2014-02-26 攀枝花钢城集团有限公司 Method for separation of slag and iron in shaft furnace molten iron solid slag
CN104926131A (en) * 2015-06-05 2015-09-23 中国科学院过程工程研究所 Vanadium titano-magnetite tailing glass-ceramic and preparation method thereof
CN105002367A (en) * 2015-08-20 2015-10-28 攀钢集团攀枝花钢铁研究院有限公司 Treating method of tailings generated from vanadium extraction
CN107892317A (en) * 2017-11-14 2018-04-10 河钢股份有限公司承德分公司 A kind of vanadium reclaimed in calcification precipitation tailings and the method for preparing nano-calcium carbonate
CN109609765A (en) * 2018-11-29 2019-04-12 攀枝花学院 A kind of method of ultralow grade waste containing vanadium separation and concentration vanadium
CN110747358A (en) * 2019-10-16 2020-02-04 北京科技大学 Method for precipitating vanadium from vanadium-containing oxalic acid leaching mother liquor by hydrothermal method
CN111041200A (en) * 2019-11-18 2020-04-21 北京科技大学 Method for leaching vanadium, titanium and chromium from vanadium, titanium and chromium raw materials by organic acid through hydrothermal method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
国内提钒尾渣再提钒技术研究进展;孟利鹏;《钢铁钒钛》;20150615;第36卷(第3期);49-56 *

Also Published As

Publication number Publication date
CN112095024A (en) 2020-12-18

Similar Documents

Publication Publication Date Title
CN102828025B (en) Method for extracting V2O5 from stone coal navajoite
CN104178632B (en) A kind of method of titanium white waste acid comprehensive utilization
RU2736539C1 (en) Method of producing vanadium oxide of a battery grade
CN101508471B (en) Process for producing cobaltic-cobaltous oxide
CN101899582A (en) Method for extracting vanadium pentoxide from vanadium slag
CN102121068A (en) Method for preparing vanadium pentoxide
CN102643985B (en) Method for extracting valuable metals from high-iron bauxite with step-by-step acid leaching
CN102876896B (en) Method for recovering vanadium by decomposing vanadium extraction tailings by using sodium hydroxide solution
CN102534209B (en) Reduction leaching method of manganese oxide ores
AU2019350100A1 (en) Method for treating low-magnesium limonite type laterite nickel ore
CN106987728A (en) A kind of normal pressure phosphoric acid from lateritic nickel ore leaches nickel cobalt and the method for synchronously preparing ferric phosphate
WO2019137544A1 (en) Method for extracting valent component in vanadium titanium magnetite by means of oxygen-rich selective leaching
CN105331837A (en) Method for gathering scandium from red mud
CN110358920B (en) Method for separating vanadium from vanadium-chromium waste residue
CN102485922B (en) Method for extracting nickel, cobalt, magnesium and iron from laterite-nickel ore under conditions of normal temperature and normal pressure and using waste residues
CN112095024B (en) Vanadium extraction method of sodium-modified vanadium extraction tailings
CN110029235B (en) Method for leaching vanadium from stone coal vanadium ore
CN109182868B (en) Low-impurity vanadium-aluminum alloy and preparation method thereof
CN103834814A (en) Method for preparing iron oxide red by using copper nickel slag
CN112111661B (en) Method for extracting vanadium by calcium-manganese composite roasting of vanadium slag
CN105219957A (en) A kind of method of Selectively leaching vanadium from bone coal roasting material
CN112391537B (en) Method for extracting vanadium by using hydrochloric acid, sulfuric acid and vanadium-containing high-calcium high-phosphorus slag
WO2021134516A1 (en) Comprehensive treatment method for applying sodium-containing ammonium waste liquid to laterite nickel ore
CN108423697B (en) Method for extracting basic magnesium carbonate by using boron mud carbonization residue
CN100587089C (en) Process for clearly extracting vanadium form vanadium-containing carbonaceous shale

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
GR01 Patent grant
GR01 Patent grant