CN107935033A - The technique that a kind of titanium-containing blast furnace slag prepares titanium white raw material - Google Patents
The technique that a kind of titanium-containing blast furnace slag prepares titanium white raw material Download PDFInfo
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- CN107935033A CN107935033A CN201711000036.XA CN201711000036A CN107935033A CN 107935033 A CN107935033 A CN 107935033A CN 201711000036 A CN201711000036 A CN 201711000036A CN 107935033 A CN107935033 A CN 107935033A
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/04—Oxides; Hydroxides
- C01G23/047—Titanium dioxide
- C01G23/053—Producing by wet processes, e.g. hydrolysing titanium salts
Abstract
The present invention relates to the technique that a kind of titanium-containing blast furnace slag prepares titanium white raw material, including：Step 1, using titanium-containing blast furnace slag, carbonaceous reducing agent and sodium agent prepare carbonaceous composite pellet containing as raw material；Step 2, by carbonaceous composite pellet containing carry out sodium processing, obtain sodium slag；Step 3, hydrolyze after sodium slag is carried out crushing grinding, obtains hydrolysis residue and the first filtrate；Step 4, using diluted acid to hydrolysis residue carry out acidleach, obtain titaniferous liquid and first cross filter residue；The first filtrate is handled using white lime to obtain the second filtrate；Step 5, carry out boiling hydrolysis to titaniferous liquid, obtains spent acid and second and crosses filter residue, crosses filter residue to second and calcines, obtains titanium white raw material.The present invention uses the hot sodium process titanium-containing blast furnace slag of carbon, perovskite is changed into sodium titanate, it is changed into the sodium salt of the unsetting metatitanic acid and reusable edible that dissolve in diluted acid after hydrolysis process, efficiently use titanium white enterprise spent acid, the reusable edible of spent acid containing titanium hydrolysis, and spent acid discharge is not produced.
Description
Technical field
The present invention relates to metallurgical solid waste technical field of comprehensive utilization, more particularly to a kind of titanium-containing blast furnace slag to prepare titanium white raw material
Technique.
Background technology
Chinese titanium resource more than 90% is distributed in Panxi Diqu, mainly exists in the form of vanadium titano-magnetite, reserves
Reach more than 1,000,000,000 tons.Vanadium titano-magnetite is a kind of grandidierite of a variety of valuable element symbiosis such as iron, vanadium, titanium, after ore dressing about
50% titanium, 70% iron and vanadium enter iron ore concentrate, afterwards mainly through blast furnace process recycle vanadium-bearing hot metal, titanium-containing blast furnace slag due to
Titanium grade is relatively low (about 20%), limits the economy of titanium recycling, and titanium-containing blast furnace slag is not utilized effectively, and takes heap
Processing is deposited, causes a large amount of losses of titanium resource, while soil is occupied and environmental problem getting worse.According to statistics, steel titaniferous height is climbed
Clinker volume of cargo in storage is about 3,000,000 tons close to 70,000,000 tons, and per annual increment, and ownership and yield are all very huge.
When handling titanium-containing blast furnace slag using traditional sulfuric acid process, there is the problem of acid consumption is big, spent acid discharge capacity is big, economically
It is uneconomical, environmental protection pressure is big.
The content of the invention
In view of above-mentioned analysis, the present invention is intended to provide a kind of titanium-containing blast furnace slag prepares the technique of titanium white raw material, to solve
The problem of certainly existing acid consumes big, spent acid discharge capacity greatly and is impacted to environment during existing sulfuric acid process processing titanium-containing blast furnace slag.
The purpose of the present invention is mainly achieved through the following technical solutions：
A kind of titanium-containing blast furnace slag prepares the technique of titanium white raw material, comprises the following steps：
Step 1, using titanium-containing blast furnace slag, carbonaceous reducing agent and sodium agent prepare carbonaceous composite pellet containing as raw material；
Step 2, by carbonaceous composite pellet containing carry out sodium processing, obtain sodium slag；
Step 3, hydrolyze after sodium slag is crushed, ground, and obtains hydrolysis residue and the first filtrate；
Step 4, using diluted acid to hydrolysis residue carry out acidolysis, obtain titaniferous liquid and first cross filter residue；Using white lime to
One filtrate obtains the second filtrate after being handled；
Step 5, carry out boiling hydrolysis to titaniferous liquid, obtains spent acid and second and crosses filter residue, crosses filter residue to second and calcines,
Obtain titanium white raw material.
The present invention has the beneficial effect that：The present invention prepares titanium white raw material, sodium agent and carbonaceous reduction by titanium-containing blast furnace slag
Agent adds at the same time, can significantly improve the sodium rate of titanium；Sodium agent cycles through sodium acid carbonate saturation and separates out to obtain, and substantially reduces
The cycle cost of sodium agent；Hydrolysis residue can directly obtain titanium white raw material through acidleach, hydrolysis two-step method processing, from material composition
Limitation.
On the basis of such scheme, the present invention has also done following improvement：
Further, in the step 1, the molar ratio of the sodium agent and acidic oxide in the titanium-containing blast furnace slag is 1
~1.5, acidic oxide is the mixture of titanium oxide, silica and aluminium oxide in the titanium-containing blast furnace slag.
It is using the above-mentioned further beneficial effect of scheme：The present invention selects above-mentioned molar ratio to ensure acidic oxide
Maximization is converted into corresponding sodium salt, and silicon, aluminium soluble impurity are removed in hydrolytic process, meanwhile, titanium hydrolyzes to form metatitanic acid, is the later stage
Diluted acid dissolving prepare titanium white raw material provide basis.
Further, in the step 1, the molar ratio of the carbonaceous reducing agent and sodium agent is 1~1.2.
It is using the above-mentioned further beneficial effect of scheme：The sodium process of traditional titanium is converted into the hot sodium of carbon by the present invention
Process, improves the sodium rate of titanium.
Further, the carbonaceous reducing agent is at least one of coal dust, coke powder or graphite powder；The sodium agent is
Na2CO3Or NaHCO3At least one of.
The present invention selects the reason for above-mentioned carbonaceous reducing agent and sodium agent to be：The hydrolysate of Sodium Titanate in hydrolytic process
Metatitanic acid and NaOH, the solubility of NaOH in water is very big, and the form of evaporative crystallization can only be taken to recycle, energy consumption compared with
Height, and NaHCO31/10 of solubility in water not as good as NaOH, is separated out directly to utilize or dry by saturated crystallization and decomposed
To Na2CO3Utilize, greatly reduce the cycle cost of sodium agent.
Further, in the step 2, the sodium processing is at 1100 DEG C~1300 DEG C by the carbonaceous composite pellet containing
Lower insulation 60min~120min.
The selection of temperature and time of the present invention be in order to ensure titanium, silicon, aluminium sodium process it is abundant, while avoid temperature mistake
Height brings energy consumption and operational difficulty.
Further, in the step 3, the sodium slag yields less than 80 mesh powders after carrying out crushing grinding；By institute
It is (5~10) by liquid-solid ratio that powder, which is stated, in the deionized water less than 50 DEG C：1 hydrolysis 3~5 times, every time 20~40min.
The present invention improves surface area by grinding sodium slag, improves hydrolysis efficiency, can be true under selected hydrolysising condition
Protect sodium slag and the metatitanic acid for, obtaining being adapted to diluted acid dissolving completely is hydrolyzed under relatively low quantity of circulating water.
Preferably, by liquid-solid ratio it is (5.7~9.1) in the deionized water less than 50 DEG C by the powder：1 hydrolysis 3~5
It is secondary, 20~40min every time.
Further, in the step 4, the diluted acid refers to the dilute hydrochloric acid or dilute sulphur that volume fraction is 10%~22%
Acid.
The present invention selects the diluted acid of above-mentioned volume fraction to meet the leaching requirement of metatitanic acid, and contains with titanium white enterprise spent acid
Amount is consistent, waste acid reuse can be reduced production cost.
Further, in the step 4, the hydrolysis residue is (15~20) by liquid-solid ratio with the diluted acid：After 1 mixing,
60min~120min is leached within the temperature range of less than 50 DEG C.
The above-mentioned liquid-solid ratio of the present invention, temperature range and under the time in hydrolysis residue titanium leach it is complete, avoid titaniferous liquid in advance
Acidolysis.
Further, in the step 4, NaHCO is obtained after carbon point reaction is carried out to second filtrate3Saturated solution and
NaHCO3Solid precipitates, the NaHCO3Saturated solution hydrolysis stage after the sodium slag carries out crushing grinding recycles, institute
State NaHCO3Solid precipitation is recycled as sodium agent.
Further, in the step 5, the titaniferous liquid is heated into 60min~120min under fluidized state and carries out water
Solution；Filter residue is crossed after pickling, washing in 800 DEG C~1000 DEG C calcining 60min~120min by described second, obtains titanium white original
Material.
The present invention carries out acidolysis and calcining respectively within the time of selection and temperature range, is in order to ensure titaniferous liquid acidolysis
Completely, Titanium Dioxide Rutile Top grade is completely converted into after calcining, titanium white preparing raw material can be used as.
Beneficial effects of the present invention are：
(1) present invention uses the hot sodium process titanium-containing blast furnace slag of carbon, perovskite is changed into sodium titanate, at hydrolysis
It is changed into the sodium salt of the unsetting metatitanic acid and reusable edible that dissolve in diluted acid after reason, since metatitanic acid dissolving will to the concentration of acid
Ask very low, titanium white enterprise spent acid can be utilized, the reusable edible of spent acid containing titanium hydrolysis, does not produce spent acid discharge；
(2) the titanium white raw material that the present invention can be utilized directly using titanium-containing blast furnace slag production, and reached sour, alkali pair and followed
Ring, has greater advantage from environmental protection and economic benefit.
In the present invention, it can also be mutually combined between above-mentioned each technical solution, to realize more preferred compositions schemes.This
Other feature and advantage of invention will illustrate in the following description, also, certain advantages can become from specification it is aobvious and
It is clear to, or is understood by implementing the present invention.The purpose of the present invention and other advantages can by write specification, right
Specifically noted structure is realized and obtained in claim and attached drawing.
Brief description of the drawings
Attached drawing is only used for showing the purpose of specific embodiment, and is not considered as limitation of the present invention, in whole attached drawing
In, identical reference symbol represents identical component.
Fig. 1 prepares titanium white raw material process flow chart for titanium-containing blast furnace slag of the present invention.
Embodiment
The preferred embodiment of the present invention is specifically described below in conjunction with the accompanying drawings, wherein, attached drawing forms the application part, and
It is used to explain the principle of the present invention together with embodiments of the present invention, is not intended to limit the scope of the present invention.
The specific embodiment of the present invention, discloses the technique that a kind of titanium-containing blast furnace slag prepares titanium white raw material, by titaniferous
Blast furnace slag and carbonaceous reducing agent, sodium agent are mixed with carbonaceous pelletizing, acidic oxide and the sodium such as titanium, silicon, aluminium in heating process
Agent reacts to form the compounds such as sodium titanate, sodium metasilicate, sodium aluminate, and in hydrolytic process, sodium titanate hydrolyzes to form metatitanic acid and hydrogen
Enter aqueous solution together with the soluble salts such as sodium oxide molybdena, the latter and sodium metasilicate, sodium aluminate, after separation of solid and liquid is realized in filtering, filtered fluid warp
Recycling sodium agent recycles after lime removal of impurities, crosses filter residue and obtains titanium white raw material, spent acid through diluted acid leaching, hydrolysis, filtration treatment
Recycle, comprise the following steps：
A) with titanium-containing blast furnace slag, sodium agent (Na2CO3Or NaHCO3), carbonaceous reducing agent (coal dust, coke powder, graphite powder) for original
Material prepares carbonaceous pelletizing, wherein sodium agent and mole of acidic oxide (titanium oxide, silica, aluminium oxide) in titanium-containing blast furnace slag
Than for 1~1.5；Carbonaceous pelletizing keeps the temperature 60min~120min at 1100 DEG C~1300 DEG C, and titanium, aluminium, silicon occur in heating process
Sodium process, titanium mainly exists in the form of Sodium Titanate after the completion of reaction；Said ratio is different from conventional titanium-containing blast furnace slag
Alkaline process treatment process, the present invention relates to a kind of hot sodium process of brand-new carbon, as shown in formula (1)；The addition of carbonaceous reducing agent is shown
Writing improves the sodium efficiency of titanium,
CaTiO3+Na2CO3+ C=Na2TiO3+CaO+2CO(g) (1)
B) above-mentioned sodium slag through crushing grinding extremely<80 mesh powders, press liquid-solid ratio (5 in the deionized water less than 50 DEG C
~10)：Separation of solid and liquid is realized in filtering after 1 hydrolysis 30min, and filtered fluid is obtained after such 3 times and crosses filter residue, at this time, sodium titanate hair
Raw hydrolysis forms metatitanic acid precipitation and sodium hydroxide, sodium hydroxide enter filtered fluid together with sodium metasilicate, sodium aluminate；
Na2TiO3+3H2O=2NaOH+H4TiO4 (2)
Filtered fluid is after white lime removes silicon, aluminium impurity, then sodium hydroxide is converted into sodium acid carbonate through carbon point reaction and is satisfied
And precipitation, the evaporating concentration process of solution is avoided, substantially reduces the circulating consumption of sodium agent；
Na2SiO3+Ca(OH)2=2NaOH+CaSiO3 (3)
2NaAlO2+Ca(OH)2=2NaOH+CaAl2O4 (4)
NaOH+CO2=NaHCO3 (5)
C) titanium mainly exists in the form of unbodied metatitanic acid in above-mentioned hydrolysis residue, and also containing a small amount of perovskite, the former is low
Diluted acid is easily soluble under temperature, and perovskite is relatively insoluble in diluted acid.By the dilute hydrochloric acid that hydrolysis residue and volume fraction are 10%~22%
Or dilute sulfuric acid presses liquid-solid ratio (15~20):After 1 mixing, 60min~120min, filtering are leached within the temperature range of less than 50 DEG C
Titaniferous liquid and solid residue are obtained, wherein, the dissolution rate of titanium is 78%~93%；
H4TiO4+ 4HCl=TiCl4+4H2O (6)
H4TiO4+2H2SO4=Ti (SO4)2+4H2O (7)
D) above-mentioned titaniferous liquid heats 60min~120min under fluidized state and is hydrolyzed, and titanium chloride or titanium sulfate are in height
The lower hydrolysis of temperature re-forms metatitanic acid, and titanium-contained slag and hydrolysis acid solution are obtained by filtration after cooling, and the concentrated Posterior circle of acid solution utilizes, mistake
Filter residue calcines 60min after pickling, washing process, at 800 DEG C~1000 DEG C, obtains the richness of grade of titanium dioxide 96%~98%
Titanium material, can be directly as preparing titanium white raw material；
TiCl4+4H2O=H4TiO4+4HCl (8)
Ti(SO4)2+4H2O=H4TiO4+2H2SO4 (9)
Another specific embodiment of the present invention, discloses the technique that a kind of titanium-containing blast furnace slag prepares titanium white raw material, titaniferous
Blast furnace slag is by the hot natridization reaction of carbon, and acidic oxide silicon, aluminium, titanium are separately converted to sodium metasilicate, sodium aluminate and sodium titanate in slag,
Hydrolysis properties based on sodium titanate, sodium ion are segregated into solution with titanium in hydrolytic process and recycle, will not be to titanium slag grade
Impact, meanwhile, part Al, Si soluble salt enters aqueous solution, it is possible to achieve the initial gross separation of titanium and impurity；Titanium in hydrolysis residue
Sour sodium occurs transformation and forms metatitanic acid again, and the latter is soluble in dilute hydrochloric acid or dilute sulfuric acid, the two of titanium and impurity is realized after separation of solid and liquid
Secondary separation；Titaniferous liquid obtains metatitanic acid again through boiling hydrolysis, and separating three times for titanium and impurity is realized in filtering, finally can obtain purity
Up to 96~98% titanium slag is directly as titanium white raw material, and requirement of the acidleach process to acid concentration is relatively low, and spent acid is recycled profit
With.
Another specific embodiment of the present invention, discloses the technique that a kind of titanium-containing blast furnace slag prepares titanium white raw material, specifically
It is as follows：
Embodiment 1
In high-titanium blast furnace slag used in the present embodiment：TiO2Content 20.86%, CaO content 25.62%, SiO2Content
24.41%, Al2O3Content 12.65%, MgO 9.88%.By above-mentioned high-titanium blast furnace slag, Na2CO3Mixed in proportion with graphite powder
Conjunction uniformly prepares carbonaceous composite pellet containing, wherein, Na2CO3As sodium agent, graphite powder is as carbonaceous reducing agent, carbonaceous composite pellet containing
Middle Na2CO3Addition and titanium-containing blast furnace slag acidic oxide molar ratio be 1.5, the addition and Na of graphite powder2CO3Mass ratio
For 0.115；Acidic oxide refers to the total amount of titanium oxide, silica and aluminium oxide.
After carbonaceous composite pellet containing is dried the hot sodium of carbon is carried out in 1150 DEG C~1300 DEG C corundum crucible inside holding 120min
Processing, takes out cooling after reaching soaking time, obtains sodium slag.Sodium slag is prepared on swing crushing sampling machine<80 purposes
Powdered sample, less than 50 DEG C, liquid-solid ratio 10:Filter, filtered after lasting stirring hydrolysis 30min in 1 deionized water
Liquid and hydrolysis residue, the NaOH produced containing sodium titanate hydrolysis in filtered fluid and the sodium metasilicate and sodium aluminate that are dissolved in water, through lime
Recycling sodium agent recycles after removing silicon, aluminium impurity；
Hydrolysis residue prepares titanium white raw material through acid system leaching process, and hydrolysis residue is 15 in liquid-solid ratio:1st, concentration be 10% it is dilute
Salt Ore Leaching 120min, obtains titaniferous liquid and the solid residue insoluble in diluted acid after separation of solid and liquid；
It is noted that when the hot sodium temperature of carbon is 1150 DEG C, dissolution rate of the titanium in 10% dilute hydrochloric acid is 78%, when
When temperature is increased to 1200 DEG C, the dissolution rate of titanium is improved to 83%, and the leaching rate of titanium is 81% when temperature is 1300 DEG C.
Case 2
The component of high-titanium blast furnace slag in the present embodiment and the preparation method of carbonaceous composite pellet containing are same as Example 1.
Obtained titaniferous liquid in embodiment 1 is heated to seething with excitement and keeps 120min to be hydrolyzed, is analysed again under high temperature
Go out metatitanic acid precipitation, by vacuum apparatus separation of solid and liquid again after cooling, cross filter residue through 5% dilute hydrochloric acid pickling, deionized water 3
Dried after secondary washing, calcine 60min at 950 DEG C, titanium grade reaches 96~98% in obtained high titanium slag, can be directly as system
The raw material of standby titanium white.
The hydrolysis residue that 1200 DEG C of sodium processing slags are obtained through crushing grinding, hydrolysis process, is 15 in liquid-solid ratio:1st, concentration is
After 10% dilute hydrochloric acid leaches 120min, solidliquid mixture is directly heated to boiling hydrolysis, what is obtained after filtering crosses filter residue warp
Dried after 3 5% dilute hydrochloric acid pickling, deionized water washings, calcine 60min at 950 DEG C, titanium grade is in obtained high titanium slag
93.4%.
This shows that the titanium slag quality obtained using two-step process is higher than one-step technology.
Embodiment 3
The component of high-titanium blast furnace slag in the present embodiment and the preparation method of carbonaceous composite pellet containing are same as Example 1.
The hydrolysis residue that 1200 DEG C of sodium processing slags are obtained through crushing grinding, hydrolysis-washing process, liquid is pressed with 22% dilute sulfuric acid
Admittedly than 15:After 1 mixing acidleach 120min, separation of solid and liquid is realized by vacuum apparatus, 93% titanium dissolving enters liquid phase.This
Show, dilute sulfuric acid is stronger than dilute hydrochloric acid to the solvability of titanium in hydrolysis residue.
Titaniferous liquid is seethed with excitement hydrolysis 120min, separation of solid and liquid after cooling, filter residue is through 5% dilute sulfuric acid pickling, deionized water 3 times
Dried after washing, after 950 DEG C are calcined 60min, titanium grade reaches 97.3% in slag.
In conclusion the present invention provides the technique that a kind of titanium-containing blast furnace slag prepares titanium white raw material, using the hot sodium work of carbon
Skill handles titanium-containing blast furnace slag, and perovskite is changed into sodium titanate, is changed into the unsetting titanium for dissolving in diluted acid after hydrolysis process
The sodium salt of acid and reusable edible, since metatitanic acid dissolving is very low to the concentration requirement of acid, can utilize titanium white enterprise spent acid, contain
Titanium hydrolysis spent acid reusable edible, does not produce spent acid discharge.Therefore, the present invention can be utilized directly using titanium-containing blast furnace slag production
Titanium white raw material, and reached acid, the Two-way Cycle of alkali, there is greater advantage from environmental protection and economic benefit.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can readily occur in,
It should be covered by the protection scope of the present invention.
Claims (10)
1. the technique that a kind of titanium-containing blast furnace slag prepares titanium white raw material, it is characterised in that comprise the following steps：
Step 1, using titanium-containing blast furnace slag, carbonaceous reducing agent and sodium agent prepare carbonaceous composite pellet containing as raw material；
Step 2, by carbonaceous composite pellet containing carry out sodium processing, obtain sodium slag；
Step 3, hydrolyze after sodium slag is crushed, ground, and obtains hydrolysis residue and the first filtrate；
Step 4, using diluted acid to hydrolysis residue carry out acidleach, obtain titaniferous liquid and first cross filter residue；Filtered using white lime to first
Liquid obtains the second filtrate after being handled；
Step 5, carry out boiling hydrolysis to titaniferous liquid, obtains spent acid and second and crosses filter residue, crosses filter residue to second and calcines, obtains
Titanium white raw material.
2. the technique that a kind of titanium-containing blast furnace slag according to claim 1 prepares titanium white raw material, it is characterised in that the step
In 1, the molar ratio of the sodium agent and acidic oxide in the titanium-containing blast furnace slag is 1~1.5, acid in the titanium-containing blast furnace slag
Property oxide be titanium oxide, silica and aluminium oxide mixture；The molar ratio of the carbonaceous reducing agent and sodium agent for 1~
1.2。
3. the technique that a kind of titanium-containing blast furnace slag according to claim 1 prepares titanium white raw material, it is characterised in that the carbonaceous
Reducing agent is at least one of coal dust, coke powder or graphite powder；The sodium agent is Na2CO3Or NaHCO3At least one of.
4. the technique that a kind of titanium-containing blast furnace slag according to claim 1 prepares titanium white raw material, it is characterised in that the step
In 2, the sodium processing is that the carbonaceous composite pellet containing is kept the temperature 60min~120min at 1100 DEG C~1300 DEG C.
5. the technique that a kind of titanium-containing blast furnace slag according to claim 1 prepares titanium white raw material, it is characterised in that the step
In 3, the sodium slag yields less than 80 mesh powders after carrying out crushing grinding；By the powder in the deionized water less than 50 DEG C
In by liquid-solid ratio be (5~10)：1 hydrolysis 3~5 times, every time 20~40min.
6. the technique that a kind of titanium-containing blast furnace slag according to claim 5 prepares titanium white raw material, it is characterised in that by the powder
End is (5.7~9.1) by liquid-solid ratio in the deionized water less than 50 DEG C：1 hydrolysis 3~5 times, every time 20~40min.
7. the technique that a kind of titanium-containing blast furnace slag according to claim 1 prepares titanium white raw material, it is characterised in that the step
In 4, the diluted acid refers to the dilute hydrochloric acid or dilute sulfuric acid that volume fraction is 10%~22%.
8. the technique that a kind of titanium-containing blast furnace slag according to claim 1 prepares titanium white raw material, it is characterised in that the step
In 4, the hydrolysis residue is (15~20) by liquid-solid ratio with the diluted acid：After 1 mixing, leached within the temperature range of less than 50 DEG C
60min~120min.
9. the technique that a kind of titanium-containing blast furnace slag according to claim 3 prepares titanium white raw material, it is characterised in that the step
In 4, NaHCO is obtained after carbon point reaction is carried out to second filtrate3Saturated solution and NaHCO3Solid precipitates, the NaHCO3
Saturated solution hydrolysis stage after the sodium slag carries out crushing grinding recycles, the NaHCO3Solid precipitation is used as sodium
Agent recycles.
10. the technique that a kind of titanium-containing blast furnace slag according to claim 1 prepares titanium white raw material, it is characterised in that the step
In rapid 5, the titaniferous liquid is heated into 60min~120min under fluidized state and is hydrolyzed；Filter residue is crossed through acid by described second
Wash, wash after 800 DEG C~1000 DEG C calcine 60min~120min, obtain titanium white raw material.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112680599A (en) * | 2020-12-24 | 2021-04-20 | 中国石油化工股份有限公司 | Hydrolysis treatment equipment and treatment method for titanium tetrachloride-containing waste acid residues |
| CN113462892A (en) * | 2021-06-28 | 2021-10-01 | 钢研晟华科技股份有限公司 | Method for realizing comprehensive utilization of iron, vanadium and titanium by low-temperature reduction roasting of vanadium titano-magnetite |
| CN114438335A (en) * | 2021-12-29 | 2022-05-06 | 绵阳师范学院 | Titanium-containing blast furnace slag treatment method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112680599A (en) * | 2020-12-24 | 2021-04-20 | 中国石油化工股份有限公司 | Hydrolysis treatment equipment and treatment method for titanium tetrachloride-containing waste acid residues |
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| CN113462892A (en) * | 2021-06-28 | 2021-10-01 | 钢研晟华科技股份有限公司 | Method for realizing comprehensive utilization of iron, vanadium and titanium by low-temperature reduction roasting of vanadium titano-magnetite |
| CN113462892B (en) * | 2021-06-28 | 2023-10-13 | 钢研晟华科技股份有限公司 | Method for realizing comprehensive utilization of iron, vanadium and titanium by low-temperature reduction roasting of vanadium titano-magnetite |
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| CN114438335B (en) * | 2021-12-29 | 2024-02-09 | 绵阳师范学院 | Treatment method of titanium-containing blast furnace slag |
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