CN101724756A - Phosphorus and silicon removing method of vanadium-contained clinker leaching liquor - Google Patents
Phosphorus and silicon removing method of vanadium-contained clinker leaching liquor Download PDFInfo
- Publication number
- CN101724756A CN101724756A CN200910215783A CN200910215783A CN101724756A CN 101724756 A CN101724756 A CN 101724756A CN 200910215783 A CN200910215783 A CN 200910215783A CN 200910215783 A CN200910215783 A CN 200910215783A CN 101724756 A CN101724756 A CN 101724756A
- Authority
- CN
- China
- Prior art keywords
- vanadium
- leaching liquor
- phosphorus
- contained
- contained clinker
- 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
Abstract
The invention discloses a phosphorus and silicon removing method of a vanadium-contained clinker. A vanadium-contained clinker leaching liquor is obtained by leaching the vanadium-contained clinker by using the method comprising the following steps of: setting the temperature of the vanadium-contained clinker leaching liquor within a temperature range of 60 DEG C to boiling; regulating the pH value of the vanadium-contained clinker leaching liquor; regulating the pH value of the vanadium-contained clinker leaching liquor by utilizing an acid and an alkali according to the varieties of purifying agents to be added; adding the purifying agent and determining the addition of the purifying agent according to the detected contents of phosphorus and silicon in the vanadium-contained clinker leaching liquor and the reaction formula of the phosphorus and the silicon in the vanadium-contained clinker leaching liquor and the purifying agent; and cooling and filtering the obtained vanadium-contained clinker leaching liquor to obtain a low-phosphorus low-silicon vanadium liquor. The phosphorus and silicon removing method of the vanadium-contained clinker has a loose requirement for vanadium liquor components and can simultaneously effectively remove the phosphorus and the silicon as impurities.
Description
Technical field
The present invention relates to the technical field that vanadium bearing slag leaches vanadium extraction, more particularly, the present invention relates to a kind ofly leach the phosphorus and silicon removing method of vanadium-contained clinker leaching liquor in the vanadium extraction process at vanadium bearing slag.
Background technology
Leach in the process of vanadium extraction at vanadium bearing slag, some impurity also leach in the solution together along with vanadium, have influence on the quality of precipitation and product.Wherein, phosphorus and silicon are the important factors that has influence on precipitation and quality product, therefore, foreign matter of phosphor and silicon should be removed from vanadium-contained clinker leaching liquor, to satisfy the quality product requirement.
Foreign matter of phosphor in the vanadium-contained clinker leaching liquor mainly exists with the form of phosphate anion.The normal calcium chloride water that adopts on the domestic industry, make phosphorus generate calcium phosphate, destroy colloid simultaneously, make the suspended substance flocking settling, thereby remove the phosphorus in the vanadium-contained clinker leaching liquor, this method has good purification, the scavenging agent consumption is few, cost is low advantage, but exists the pH value scope of effective dephosphorization narrower, the problem that PH control is difficult; Germany uses the gypsum breast as dephosphorization agent, but has the problem of large usage quantity; The magnesium ammonium phosphate sediment method that adopts is also arranged, phosphorus is precipitated from solution with the form of trimagnesium phosphate or magnesium ammonium phosphate, this method needs the process that leaves standstill of long-time (reaching 48h), make production efficiency reduce.
Impurity silicon in the vanadium-contained clinker leaching liquor mainly exists with the form of positive silicate ion, has colloidal property.General employing adding inorganic salt ionogen flocculation agent makes it to form precipitation and removes, and flocculation agent has Tai-Ace S 150, alum, magnesium chloride and calcium chloride etc.
As can be seen, foreign matter of phosphor adopts different scavenging agents to remove respectively with impurity silicon in traditional vanadium-contained clinker leaching liquor from top description, therefore, uses traditional impurity-removing method that foreign matter of phosphor and impurity silicon are removed simultaneously and has certain limitation.
Publication number is that the Chinese invention patent application of CN101182036A discloses a kind of technology for preparing the high purity Vanadium Pentoxide in FLAKES, this technology utilization Tai-Ace S 150 is as scavenging agent, utilize ammonium chloride as precipitation reagent, regulate the processing condition in each stage, obtain highly purified Vanadium Pentoxide in FLAKES at last.This method only is confined to the purification of the high vanadium liquid of navajoite after roasting, ion-exchange, does not relate to that the vanadium slag grog leaches vanadium liquid, navajoite directly leaches the complicated vanadium liquid of vanadium liquid compositions such as vanadium liquid and thick vanadium product dissolving gained vanadium liquid and purifies.
Summary of the invention
The objective of the invention is to overcome the deficiency of the phosphorus and silicon removing method of above-mentioned existing vanadium-contained clinker leaching liquor, provide that a kind of technology is simple, cost is low, the phosphorus and silicon removing method of and the vanadium-contained clinker leaching liquor that foreign matter of phosphor and impurity silicon simultaneously can be removed loose the requirement of vanadium liquid composition.
The phosphorus and silicon removing method of vanadium-contained clinker leaching liquor provided by the invention can carry out following steps to the vanadium-contained clinker leaching liquor that vanadium bearing slag obtains: the temperature of vanadium-contained clinker leaching liquor is arranged on 60 ℃ to the ebullient temperature range after leaching; Utilize bronsted lowry acids and bases bronsted lowry to regulate the pH value of vanadium-contained clinker leaching liquor according to the kind of the scavenging agent that will add; Add scavenging agent, the amount of the scavenging agent of adding is determined according to the amount of detected phosphorus and silicon in the vanadium-contained clinker leaching liquor and the reaction formula of the phosphorus in the vanadium-contained clinker leaching liquor and silicon and scavenging agent; With vanadium-contained clinker leaching liquor cooling, the filtration of gained, obtain low-phosphorous, low silicon vanadium liquid.
Scavenging agent can be the material of selecting from aluminium salt, molysite, magnesium salts and their group.Aluminium salt can be Tai-Ace S 150, aluminum chloride and aluminum nitrate; Molysite can be ferric sulfate, iron(ic) chloride and iron nitrate; Magnesium salts can be sal epsom, magnesium chloride and magnesium nitrate.Wherein, when scavenging agent was aluminium salt, the pH value of vanadium-contained clinker leaching liquor was adjusted to 8～11; When scavenging agent was molysite, the pH value of vanadium-contained clinker leaching liquor was adjusted to 8～11; When scavenging agent was magnesium salts, the pH value of vanadium-contained clinker leaching liquor was adjusted to 8～12.When scavenging agent was the material of selecting from the group of aluminium salt, molysite and magnesium salts arbitrary combination, the pH value of vanadium-contained clinker leaching liquor was adjusted to 8～12.
The invention has the advantages that: technology is simple; The scavenging agent that uses is easy to get, cheap; Low for equipment requirements; Phosphorus and silicon removing is effective, the quality product height.
Description of drawings
Fig. 1 is the phosphorus and silicon removing process flow sheet of vanadium-contained clinker leaching liquor
Embodiment
Below in conjunction with drawings and Examples technical scheme of the present invention is described further.
Fig. 1 is the phosphorus and silicon removing process flow sheet of vanadium-contained clinker leaching liquor.On technology, vanadium slag or navajoite obtain grog after roasting, through adding leaching agent the vanadium in the vanadium bearing slag is dissolved in the solution, filter then, remove the vanadium-contained clinker leaching liquor that filter residue obtains, with reference to Fig. 1, the present invention promptly carries out following steps at this vanadium-contained clinker leaching liquor: the temperature of vanadium-contained clinker leaching liquor is arranged on 60 ℃ to the scope of ebullient temperature, utilize bronsted lowry acids and bases bronsted lowry to regulate pH value, add scavenging agent then and carry out the phosphorus and silicon removing purification according to the kind of the scavenging agent that will add; At last, gained is contained vanadium leachate cool off, filter, thereby obtain low-silicon and low-phosphorous vanadium liquid.
Wherein, employed scavenging agent can be the material of selecting from aluminium salt, molysite, magnesium salts and their group.Aluminium salt can be Tai-Ace S 150, aluminum chloride and aluminum nitrate; Molysite can be ferric sulfate, iron(ic) chloride and iron nitrate; Magnesium salts can be sal epsom, magnesium chloride and magnesium nitrate.Wherein, when scavenging agent was aluminium salt or molysite, the pH value of vanadium-contained clinker leaching liquor was adjusted to 8～11; When scavenging agent was magnesium salts, the pH value of vanadium-contained clinker leaching liquor was adjusted to 8～12; When scavenging agent was the material of selecting from the group of aluminium salt, molysite and magnesium salts arbitrary combination, the pH value of vanadium-contained clinker leaching liquor was adjusted to 8～12.Wherein, aluminum nitrate, iron nitrate and magnesium nitrate be effect effective not as the described scavenging agent that uses other during as scavenging agent, therefore, will not give in the specific embodiment below for example.
Wherein, the theoretical amount of the scavenging agent that adds should be determined according to the reaction formula of impurity silicon and foreign matter of phosphor in the amount of detected impurity silicon and foreign matter of phosphor in the vanadium bearing slag and scavenging agent and the vanadium bearing slag solution, impurity silicon and foreign matter of phosphor and scavenging agent are (promptly in the vanadium bearing slag, aluminium salt, magnesium salts and molysite) reaction formula be known to those of ordinary skill in the art, here just do not give to set forth, in addition, the actual add-on that joins the scavenging agent in the vanadium bearing slag should be a bit larger tham its theoretical add-on, to help removing of impurity silicon and foreign matter of phosphor.
The temperature of vanadium bearing slag be arranged on 60 ℃ help to the scope of ebullient temperature vanadium bearing slag in the foreign matter of phosphor and the positively charged ion of impurity silicon and scavenging agent form precipitation and remove by filter.
Present invention is described below in conjunction with specific embodiment, and wherein, the employed vanadium liquid of following examples is the vanadium-contained clinker leaching liquor of table 1 ingredients listed.
The used vanadium-contained clinker leaching liquor main chemical compositions/gL of table 1 embodiment
-1
Embodiment one
In the clean beaker of 2000mL, add the common vanadium liquid in the 1000mL table 1, be heated to boiling, utilize bronsted lowry acids and bases bronsted lowry that vanadium liquid pH value is adjusted to 10.5, adding 5.14g anhydrous slufuric acid aluminium then fully stirs, reaction 1h fully reacts it, be cooled to normal temperature, filter, get the vanadium liquid of Si=0.0043g/L, P=0.005g/L.
Embodiment two
In the clean beaker of 2000mL, add the common vanadium liquid in the 1000mL table 1, be heated to 65 ℃, utilize bronsted lowry acids and bases bronsted lowry to regulate PH to 9, add 7g anhydrous slufuric acid iron then and fully stir, reaction 1h fully reacts, and is cooled to normal temperature, filter, get the vanadium liquid of Si=0.0077g/L, P=0.004g/L.
Embodiment three
In the clean beaker of 2000mL, add the common vanadium liquid in the 1000mL table 1, be heated to 90 ℃, utilize bronsted lowry acids and bases bronsted lowry to regulate vanadium liquid pH value to 11.5, adding the 3g anhydrous magnesium sulfate then fully stirs, reaction 1h fully reacts, be cooled to normal temperature, filter, get the vanadium liquid of Si=0.009g/L, P=0.007g/L.
Embodiment four
In the clean beaker of 2000mL, add the common vanadium liquid in the 1000mL table 1, be heated to boiling, utilize bronsted lowry acids and bases bronsted lowry to regulate vanadium liquid pH value to 8.5, add the 2g Magnesium Chloride Anhydrous then and 3g anhydrous slufuric acid aluminium fully stirs, reaction 1h fully reacts, be cooled to normal temperature, filter, get the vanadium liquid of Si=0.0084g/L, P=0.006g/L.
Embodiment five
In the clean beaker of 2000mL, add the common vanadium liquid in the 1000mL table 1, be heated to 93 ℃, utilize bronsted lowry acids and bases bronsted lowry to regulate vanadium liquid pH value to 10.8, add 4g anhydrous slufuric acid iron then and 2g aluminum chloride fully stirs, reaction 1h fully reacts, be cooled to normal temperature, filter, get the vanadium liquid of Si=0.0065g/L, P=0.0045g/L.
Embodiment six
In the clean beaker of 2000mL, add the common vanadium liquid in the 1000mL table 1, be heated to boiling, utilize bronsted lowry acids and bases bronsted lowry to regulate vanadium liquid pH value to 11.5, add 3.5g anhydrous slufuric acid iron then and the 1.4g magnesium chloride fully stirs, reaction 1h fully reacts, be cooled to normal temperature, filter, get the vanadium liquid of Si=0.007g/L, P=0.003g/L.
Embodiment seven
In the clean beaker of 2000mL, add the common vanadium liquid in the 1000mL table 1, be heated to 90 ℃, utilize bronsted lowry acids and bases bronsted lowry to regulate vanadium liquid pH value to 11, adding 1g magnesium chloride, 2g anhydrous slufuric acid aluminium and 3g iron(ic) chloride then fully stirs, reaction 1h fully reacts, be cooled to normal temperature, filter, get the vanadium liquid of Si=0.005g/L, P=0.0034g/L.
By above embodiment as can be seen, the content of impurity silicon is in 0.0043g/L～0.009g/L scope in the vanadium bearing slag that obtains according to the method for exemplary embodiment of the present invention, the content of foreign matter of phosphor is in 0.003g/L～0.006g/L scope in the vanadium bearing slag that obtains, impurity silicon in the vanadium bearing slag and foreign matter of phosphor can be removed simultaneously effectively, and this method simply is easy to realize.
Claims (9)
1. the phosphorus and silicon removing method of a vanadium-contained clinker leaching liquor is characterized in that the vanadium-contained clinker leaching liquor that vanadium bearing slag obtains after leaching is carried out following steps:
The temperature of vanadium-contained clinker leaching liquor is arranged on 60 ℃ to the ebullient temperature range;
Utilize bronsted lowry acids and bases bronsted lowry to regulate the pH value of vanadium-contained clinker leaching liquor according to the kind of the scavenging agent that will add:
Add scavenging agent, the amount of the scavenging agent of adding is determined according to the amount of detected phosphorus and silicon in the vanadium-contained clinker leaching liquor and the reaction formula of the phosphorus in the vanadium-contained clinker leaching liquor and silicon and scavenging agent;
With vanadium-contained clinker leaching liquor cooling, the filtration of gained, obtain low-phosphorous, low silicon vanadium liquid.
2. the phosphorus and silicon removing method of vanadium-contained clinker leaching liquor as claimed in claim 1 is characterized in that the material of described scavenging agent for selecting from aluminium salt, molysite, magnesium salts and their group.
3. the phosphorus and silicon removing method of vanadium-contained clinker leaching liquor as claimed in claim 1 is characterized in that described aluminium salt is Tai-Ace S 150, aluminum chloride and aluminum nitrate.
4. the phosphorus and silicon removing method of vanadium-contained clinker leaching liquor as claimed in claim 1 is characterized in that described molysite is ferric sulfate, iron(ic) chloride and iron nitrate.
5. the phosphorus and silicon removing method of vanadium-contained clinker leaching liquor as claimed in claim 1 is characterized in that described magnesium salts is sal epsom, magnesium chloride and magnesium nitrate.
6. the phosphorus and silicon removing method of vanadium-contained clinker leaching liquor as claimed in claim 1 is characterized in that when scavenging agent was aluminium salt, the pH value of vanadium-contained clinker leaching liquor was adjusted to 8～11.
7. the phosphorus and silicon removing method of vanadium-contained clinker leaching liquor as claimed in claim 1 is characterized in that when scavenging agent was molysite, the pH value of vanadium-contained clinker leaching liquor was adjusted to 8～11.
8. the phosphorus and silicon removing method of vanadium-contained clinker leaching liquor as claimed in claim 1 is characterized in that when scavenging agent was magnesium salts, the pH value of vanadium-contained clinker leaching liquor was adjusted to 8～12.
9. the phosphorus and silicon removing method of vanadium-contained clinker leaching liquor as claimed in claim 1 is characterized in that the pH value of vanadium-contained clinker leaching liquor is adjusted to 8～12 when scavenging agent is the material of selecting from the group of aluminium salt, molysite and magnesium salts arbitrary combination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910215783A CN101724756A (en) | 2009-12-31 | 2009-12-31 | Phosphorus and silicon removing method of vanadium-contained clinker leaching liquor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910215783A CN101724756A (en) | 2009-12-31 | 2009-12-31 | Phosphorus and silicon removing method of vanadium-contained clinker leaching liquor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101724756A true CN101724756A (en) | 2010-06-09 |
Family
ID=42446300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910215783A Pending CN101724756A (en) | 2009-12-31 | 2009-12-31 | Phosphorus and silicon removing method of vanadium-contained clinker leaching liquor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101724756A (en) |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102242282A (en) * | 2011-07-05 | 2011-11-16 | 舒宏庆 | Alkaline reduction smelting method for vanadium polymetallic ore |
| CN102477493A (en) * | 2010-11-29 | 2012-05-30 | 攀钢集团钢铁钒钛股份有限公司 | Silicon-removing phosphorus-removing purifying method of sodium-modified vanadium-extraction leachate |
| CN103014377A (en) * | 2011-09-21 | 2013-04-03 | 攀钢集团攀枝花钢铁研究院有限公司 | Vanadium liquid purification method |
| CN103014378A (en) * | 2011-09-21 | 2013-04-03 | 攀钢集团攀枝花钢铁研究院有限公司 | Vanadium liquid purification method |
| CN103397209A (en) * | 2013-07-16 | 2013-11-20 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for extracting vanadium from high-calcium and high-phosphorus vanadium slag |
| CN103409627A (en) * | 2013-07-09 | 2013-11-27 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for preparing low-silicon low-calcium low-aluminium vanadium liquid |
| CN104843742A (en) * | 2015-04-08 | 2015-08-19 | 芜湖融汇化工有限公司 | Silicon removal method of brine system |
| CN107021554A (en) * | 2017-06-12 | 2017-08-08 | 河海大学 | Drinking water special efficient removes the compounding coagulation agent and its application method and purposes of silicon |
| CN108359797A (en) * | 2018-04-11 | 2018-08-03 | 武汉科技大学 | A method of the selectively removing impurity P from vanadium solution obtained by vanadium slag calcification acidleach |
| CN109182752A (en) * | 2018-10-23 | 2019-01-11 | 攀钢集团研究院有限公司 | The method that desilication slag removes phosphorus in acid vanadium liquid |
| CN109234531A (en) * | 2018-10-23 | 2019-01-18 | 攀钢集团研究院有限公司 | Except the method for silicon phosphorus in alkaline solution containing vanadium |
| CN109234532A (en) * | 2018-10-23 | 2019-01-18 | 攀钢集团研究院有限公司 | Dephosphorization agent and preparation method thereof and application method |
| CN109399778A (en) * | 2018-10-23 | 2019-03-01 | 攀钢集团研究院有限公司 | Except silicon phosphorus agent and preparation method thereof and application method |
| CN112174204A (en) * | 2020-09-11 | 2021-01-05 | 河钢承德钒钛新材料有限公司 | Method for producing vanadium pentoxide by using waste VPO catalyst |
| CN114315196A (en) * | 2021-11-23 | 2022-04-12 | 攀钢集团研究院有限公司 | Method for recovering silicon-phosphorus thermal insulation material from alkaline vanadium-containing liquid |
| CN114350951A (en) * | 2021-11-25 | 2022-04-15 | 攀钢集团研究院有限公司 | Method for extracting vanadium from low-grade vanadium-containing raw material and recycling waste water |
| CN115141930A (en) * | 2022-07-11 | 2022-10-04 | 攀钢集团钒钛资源股份有限公司 | System for preparation powder vanadium is with sodium vanadium liquid edulcoration |
| CN115404359A (en) * | 2022-09-02 | 2022-11-29 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for purifying alkaline vanadium liquid |
-
2009
- 2009-12-31 CN CN200910215783A patent/CN101724756A/en active Pending
Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102477493A (en) * | 2010-11-29 | 2012-05-30 | 攀钢集团钢铁钒钛股份有限公司 | Silicon-removing phosphorus-removing purifying method of sodium-modified vanadium-extraction leachate |
| CN102477493B (en) * | 2010-11-29 | 2014-06-18 | 攀钢集团钢铁钒钛股份有限公司 | Silicon-removing phosphorus-removing purifying method of sodium-modified vanadium-extraction leachate |
| CN102242282A (en) * | 2011-07-05 | 2011-11-16 | 舒宏庆 | Alkaline reduction smelting method for vanadium polymetallic ore |
| CN102242282B (en) * | 2011-07-05 | 2014-01-22 | 舒宏庆 | Alkaline reduction smelting method for vanadium polymetallic ore |
| CN103014377A (en) * | 2011-09-21 | 2013-04-03 | 攀钢集团攀枝花钢铁研究院有限公司 | Vanadium liquid purification method |
| CN103014378A (en) * | 2011-09-21 | 2013-04-03 | 攀钢集团攀枝花钢铁研究院有限公司 | Vanadium liquid purification method |
| CN103014378B (en) * | 2011-09-21 | 2014-07-23 | 攀钢集团攀枝花钢铁研究院有限公司 | Vanadium liquid purification method |
| CN103014377B (en) * | 2011-09-21 | 2014-07-23 | 攀钢集团攀枝花钢铁研究院有限公司 | Vanadium liquid purification method |
| CN103409627A (en) * | 2013-07-09 | 2013-11-27 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for preparing low-silicon low-calcium low-aluminium vanadium liquid |
| CN103397209A (en) * | 2013-07-16 | 2013-11-20 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for extracting vanadium from high-calcium and high-phosphorus vanadium slag |
| CN103397209B (en) * | 2013-07-16 | 2015-07-22 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for extracting vanadium from high-calcium and high-phosphorus vanadium slag |
| CN104843742A (en) * | 2015-04-08 | 2015-08-19 | 芜湖融汇化工有限公司 | Silicon removal method of brine system |
| CN107021554A (en) * | 2017-06-12 | 2017-08-08 | 河海大学 | Drinking water special efficient removes the compounding coagulation agent and its application method and purposes of silicon |
| CN108359797A (en) * | 2018-04-11 | 2018-08-03 | 武汉科技大学 | A method of the selectively removing impurity P from vanadium solution obtained by vanadium slag calcification acidleach |
| CN109399778B (en) * | 2018-10-23 | 2021-08-31 | 攀钢集团研究院有限公司 | Silicon and phosphorus removing agent and preparation method and use method thereof |
| CN109234531A (en) * | 2018-10-23 | 2019-01-18 | 攀钢集团研究院有限公司 | Except the method for silicon phosphorus in alkaline solution containing vanadium |
| CN109234532A (en) * | 2018-10-23 | 2019-01-18 | 攀钢集团研究院有限公司 | Dephosphorization agent and preparation method thereof and application method |
| CN109399778A (en) * | 2018-10-23 | 2019-03-01 | 攀钢集团研究院有限公司 | Except silicon phosphorus agent and preparation method thereof and application method |
| CN109182752A (en) * | 2018-10-23 | 2019-01-11 | 攀钢集团研究院有限公司 | The method that desilication slag removes phosphorus in acid vanadium liquid |
| CN112174204A (en) * | 2020-09-11 | 2021-01-05 | 河钢承德钒钛新材料有限公司 | Method for producing vanadium pentoxide by using waste VPO catalyst |
| CN114315196A (en) * | 2021-11-23 | 2022-04-12 | 攀钢集团研究院有限公司 | Method for recovering silicon-phosphorus thermal insulation material from alkaline vanadium-containing liquid |
| CN114315196B (en) * | 2021-11-23 | 2023-01-24 | 攀钢集团研究院有限公司 | Method for recovering silicon-phosphorus thermal insulation material from alkaline vanadium-containing liquid |
| CN114350951A (en) * | 2021-11-25 | 2022-04-15 | 攀钢集团研究院有限公司 | Method for extracting vanadium from low-grade vanadium-containing raw material and recycling waste water |
| CN114350951B (en) * | 2021-11-25 | 2024-02-27 | 攀钢集团研究院有限公司 | Method for extracting vanadium and recycling wastewater by using low-grade vanadium-containing raw material |
| CN115141930A (en) * | 2022-07-11 | 2022-10-04 | 攀钢集团钒钛资源股份有限公司 | System for preparation powder vanadium is with sodium vanadium liquid edulcoration |
| CN115404359A (en) * | 2022-09-02 | 2022-11-29 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for purifying alkaline vanadium liquid |
| CN115404359B (en) * | 2022-09-02 | 2024-02-02 | 攀钢集团攀枝花钢铁研究院有限公司 | Alkaline vanadium liquid purifying method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101724756A (en) | Phosphorus and silicon removing method of vanadium-contained clinker leaching liquor | |
| CN104477992B (en) | Method for preparing vanadium pentoxide | |
| CN102251113A (en) | Method for purifying vanadium leaching solution | |
| CN102051486B (en) | Method for preparing low-phosphorus vanadium liquid by using wastewater subjected to vanadium precipitation | |
| CN101724757B (en) | Method for preparing low-silicon and low-phosphorous vanadium liquid | |
| CN103224221B (en) | A kind of method utilizing ferrous sulfate monohydrate slag separation sulfuric acid and ferrous sulfate | |
| CN102897810B (en) | Method for producing aluminum oxide by using fly ash | |
| CN102690949B (en) | Method of purifying ammonium tungstate solution | |
| CN108359815A (en) | A kind of preparation method containing vanadium solution | |
| CN103014378B (en) | Vanadium liquid purification method | |
| CN104843789A (en) | Method for purifying vanadium pentoxide | |
| CN102910676B (en) | Preparation method of high-purity vanadium pentoxide | |
| CN103058235B (en) | Method of removing calcium with magnesium sulfate and high-purity magnesium sulfate | |
| CN102320585A (en) | Method for direct production of industrial-grade ammonium biphosphate by wet-process phosphoric acid | |
| CN101774557A (en) | Method for producing phosphoric acid with titanium white waste | |
| CN103397209A (en) | Method for extracting vanadium from high-calcium and high-phosphorus vanadium slag | |
| CN103014377B (en) | Vanadium liquid purification method | |
| CN102515134B (en) | Production technology of food-grade phosphoric acid with hydrochloric acid method | |
| CN105692575B (en) | A kind of Application way of rock phosphate in powder | |
| CN1312040C (en) | Purification production technique for producing high pure and high clear lithium hydroxide from lithium hydroxide in industrial grade | |
| CN101709377B (en) | Purifying and impurity-removing method of leaching solution containing vanadium | |
| CN1326772C (en) | Production method of medical sodium iodide | |
| CN109319896A (en) | The method for preparing flocculant with flyash and vanadium titano-magnetite | |
| CN105329974B (en) | A kind of method that fluorine is reclaimed from fluoride waste | |
| CN103011298A (en) | Method for production of high purity manganese sulfate by using metal manganese sheet as raw material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20100609 |