CN102951688B - Production process for cogeneration of polymerization ferric chloride water purification agent by using potassium fluotitanate - Google Patents
Production process for cogeneration of polymerization ferric chloride water purification agent by using potassium fluotitanate Download PDFInfo
- Publication number
- CN102951688B CN102951688B CN201210525028.8A CN201210525028A CN102951688B CN 102951688 B CN102951688 B CN 102951688B CN 201210525028 A CN201210525028 A CN 201210525028A CN 102951688 B CN102951688 B CN 102951688B
- Authority
- CN
- China
- Prior art keywords
- potassium
- potassium fluotitanate
- liquid
- ferric chloride
- hexafluorotitanic acid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
The invention discloses a production process for cogeneration of polymerization ferric chloride water purification agent by using potassium fluotitanate. The production process comprises the following steps: adding hydrofluoric acid and potassium chloride in a leaching tank; opening the leaching tank to stir; adding a theoretical amount of titanium ore; heating to 90-105 DEG C and leaching; sealing to react to obtain hexafluorotitanic acid iron slurry; settling the leached slurry to obtain a hexafluorotitanic acid iron clear liquid for later use; dissolving the potassium chloride by using a hexafluorotitanic acid potassium mother liquid; filtering to obtain a clear liquid for later use; adding metered potassium chloride liquid into a certain amount of hexafluorotitanic acid iron clear liquid while stirring; continually reacting and crystallizing to obtain the hexafluorotitanic acid potassium; carrying out solid-liquid separation on the hexafluorotitanic acid potassium slurry; washing the hexafluorotitanic acid potassium, wherein a part of wastewater enter the potassium chloride for dissolving and recycling; and the other part of wastewater enter an impurity-removing reaction tank; adding metered fine lime in the impurity-removing reaction tank; filter pressing and adding quantified oxidizing agent and stabilizing agent; and standing to obtain polymerization ferric chloride. With the adoption of the production process, the hexafluorotitanic acid potassium mother liquid is recycled, the concentration of the hexafluorotitanic acid potassium mother liquid is improved, and the impurities in the hexafluorotitanic acid potassium mother liquid are removed; and the ferric element is oxidized, alkalified, aged and polymerized to obtain the polymerization ferric chloride.
Description
Technical field
The present invention relates to inorganic fluoride salt and produce and water purification agent production technology method, especially relate to production method and the poly-ferric chloride purifying agent production method of potassium fluotitanate.
Background technology
Potassium fluotitanate is mainly for the manufacture of the additive in aluminium, titanium, boron alloy, for aluminium processing and light metal smelting, also can be used for the synthetic aspects such as catalyzer of PP, is the army of manufacture, work, the very important starting material of civilian aluminium both at home and abroad.Approximately 20,000 tons of domestic potassium fluotitanate annual production, produce approximately 100,000 tons of iron(ic) chloride waste water, and traditional treatment method is to add qualified discharge after lime slurry neutralization, flocculation sediment, press filtration, approximately discharges 120,000 tons of waste water.This treatment process consumes large quantities of lime, a large amount of iron slags of generation.
In addition, hydrofluoric acid, ilmenite, the existing method of KCl production potassium fluotitanate are that mother liquor amount is large with clean water-soluble Repone K, and mother liquor loss is large, and mother liquid coming is low containing concentration of iron; Mother liquid disposal expense is high, and the quantity of slag is large, intractability is large; Other production costs of poly-ferric chloride are high, and complex process is not suitable as the scheme of potassium fluotitanate wastewater treatment.
Summary of the invention
The invention provides the coproducing polymerized ferric chloride purifying agent production technique of a kind of potassium fluotitanate, by potassium fluotitanate mother liquid recycling is improved to concentration, removal of impurities, ferro element is wherein through peroxidation, then alkalizes, obtains inorganic polymer flocculation water purification agent-poly-ferric chloride after ageing polymerization.
The present invention adopts following technical scheme:
The coproducing polymerized ferric chloride purifying agent production technique of potassium fluotitanate, comprises the following steps:
(1), first in leaching vat, add quantitative hydrofluoric acid and Repone K, open and stir, add the titanium ore of theoretical amount, temperature is increased to 90-105 ℃ of leaching, and confined reaction 1.0-2.0h obtains hydrofluotitanic acid iron charge slurry;
(2), by leaching qualified slip, with pump, squeeze into clarifying tank, it is standby that sedimentation 5-24h obtains hydrofluotitanic acid iron clear liquid, and underflow slag enters sewage disposal;
(3), Repone K dissolves with potassium fluotitanate mother liquor, after press filtration, clear liquid is standby, slag enters sewage disposal;
(4), add synthetic groove to open a certain amount of hydrofluotitanic acid iron clear liquid to stir, then in 30-60min, add potassium chloride liquid in (3) of metering, continue reaction 20-30min, potassium fluotitanate crystallizes out;
(5), the liquid-solid separation of potassium fluotitanate slip obtaining in (4), washing are obtained to potassium fluotitanate wet product, waste water enters poly-ferric chloride and produces stocking system;
(6), in step (5), a waste water part enters Repone K dissolving circulation utilization in step (3), a part enters removal of impurities reactive tank, adds the refined lime of calculated amount to stir 10-30min, then press filtration in removal of impurities reactive tank, filtrate enters next step operation, and filter residue enters solid waste treatment station;
(7), the filtrate that produces of upper step under agitation adds quantitative oxygenant, stablizer, still aging 5-24h obtains poly-ferric chloride liquid product.
In above-mentioned steps (5), potassium fluotitanate wet product obtains potassium fluotitanate finished product after being dried.
Further, in above-mentioned steps (1), hydrofluoric acid is for containing the solution that HF massfraction is 18-55%, and the massfraction containing Ti in iron ore is 25-37%, and step (3) Repone K is containing K
2o massfraction is 40-62%, in step (6), in refined lime, containing CaO massfraction, is greater than 72%.
Further, the waste liquid that enters removal of impurities reactive tank in step (6) is for making to be greater than 10% containing Fe massfraction by recycling mother liquor potassium chloride dissolving, and oxygenant is preferably one or both in hydrogen peroxide, alkali metal peroxide or SPC-D and is used in conjunction with.
Again further, above-mentioned leaching vat, clarifying tank, synthetic groove and removal of impurities reactive tank all seal or arrange water seal.
The chemical equation the present invention relates to is:
nFe
2 O
3·mFeO·（3/2n+m）TiO
3+ HF → FeTiF
6 + Fe
2(T iF
6 )
3 + H
2O；
Fe
2(T iF
6 )
3 + 6KCl → 3K
2TiF
6 + 2FeCl
3；
FeTiF
6 +2KCl→K
2TiF
6 + FeCl
2；
In titanium ore, contain silicon-dioxide (SiO
2) removal of impurities process reaction formula:
SiO
2 + 6HF → H
2SiF
6 + 2H
2O；
H
2SiF
6 + 2KCl → K
2SiF
6 + 2HCl；
H
2SiF
6 + 2KF → K
2SiF
6 + 2 HF；
Poly-ferric chloride process reaction formula is produced in wastewater treatment:
2HF+ Ca(OH)
2 → Ca F
2+ 2H
2O；
Ca(OH)
2+ 2 HCl → Ca Cl
2+ H
2O；
nFeCl
2+ n/2Na
2O
2 + nH
2O
→
n（FeCl
2)
+·n（OH）
- +nNaOH；
nFeCl
3+nNa OH
→
n（FeCl
2)
+·n（OH）
- + nNaCl ；
nFeCl
2+ n/2H
2O
2 →
n（FeCl
2)
+·n（OH）
-；
From the above-mentioned description of this invention, the invention has the advantages that:
1, the present invention replaces cleaning water potassium chloride dissolving by the potassium fluotitanate mother liquor in potassium fluotitanate production process, reduced potassium fluotitanate mother liquor amount, thereby reduced the mother liquor loss of fluorine during potassium fluotitanate is produced, titanium, potassium element, after mother liquid recycling, iron content is wherein improved, directly by oxidation, alkalization, polymerization, obtain inorganic polymer flocculation water purification agent-poly-ferric chloride again, poly-ferric chloride is suitable for the COD of high turbidity, high chroma, the processing of BOD waste water.
2, adopt technique of the present invention, save waste water treatment process in former potassium fluotitanate production process, simplified the production technique of former potassium fluotitanate, reduce potassium fluotitanate production cost, reduce discharge of wastewater, turn waste into wealth, produce the inorganic flocculating agent that is equally applicable to urban domestic wastewater and pharmaceutical wastewater processing, can not produce new pollution.
3, this technological reaction condition is normal pressure and without γ-ray emission, all groove tanks all seal, and water seal or absorption system is set and prevents that temperature of charge from raising or turnover material causes that groove pressure tank changes, and closed reactive system can effectively prevent that fluorin volatilization from entering atmosphere.
4, this technological reaction speed is fast, and reaction conditions is gentle, and operational condition is easy to control, and reduces the advantages such as energy consumption, material consumption, therefore this technique has good social value and economic worth.
Accompanying drawing explanation
Fig. 1 is production technological process of the present invention.
Embodiment
Below with reference to Fig. 1, the specific embodiment of the present invention is described.
Embodiment 1
The present embodiment is used following raw material
1, hydrofluoric acid is containing HF 25.3%;
2, Repone K is containing K
2o 60.1%;
3, titanium ore (nFe
2o
3mFeO(3/2n+m) T iO
2) containing Ti 29.5%, Fe34.8%, Fe
2o
311.6%, FeO34.3%;
4, refined lime is containing CaO73.3%;
5, hydrogen peroxide is containing H
2o
220%.
Specifically comprise the following steps:
(1) first in leaching vat, add 3000Kg hydrofluoric acid and Repone K 100Kg, open and stir, the titanium ore of 1080Kg is added, airtight continuation reaction 2 hours, extraction temperature reaches 98 ℃;
(2) by leaching qualified slip, with pump, squeeze into clarifying tank, sedimentation removal of impurities 16h obtains hydrofluotitanic acid iron clear liquid, 51 ℃ of temperature;
(3) Repone K 950 Kg dissolve to obtain potassium liquid with the potassium fluotitanate mother liquor of 4000 Kg iron content 12%, and after press filtration, clear liquid is standby;
(4) (2) hydrofluotitanic acid iron clear liquid is added synthetic groove open and stir, then with 60min, add (3) potassium chloride liquid, continue reaction 30min, 36 ℃ of temperature;
(5) the liquid-solid separation of potassium fluotitanate slip upper step being obtained, washing obtain potassium fluotitanate wet product, and waste water enters lower step and processes;
(6) potassium fluotitanate wet product obtains 1290Kg potassium fluotitanate finished product after being dried;
(7) above-mentioned waste water stays 4000 Kg to do potassium chloride dissolving use, and other 3700 Kg add 135Kg refined lime, stirs 30 min, and then press filtration obtains clear liquid;
(8) by adding hydrogen peroxide 400 Kg and appropriate stablizer under above-mentioned clear liquid stirring, stir 10 min, then still aging 3h, obtains poly-ferric chloride solution;
Analytical results: the main content 98.3% of potassium fluotitanate, Si 0.19%, and poly-ferric chloride is containing Fe10.2%, basicity 65%.
Embodiment 2
The present embodiment is used following raw material
1, hydrofluoric acid is containing HF 33.2%;
2, Repone K is containing K
2o 60.1%;
3, titanium ore (nFe
2o
3mFeO(3/2n+m) T iO
2) containing Ti 29.5%, Fe34.8%, Fe
2o
311.6%, FeO34.3%;
4, refined lime is containing CaO73.3%;
5, hydrogen peroxide is containing H
2o
220%;
6, sodium peroxide is containing Na
2o
292.5%.
Specifically comprise the following steps:
(1) first in leaching vat, add 2260Kg hydrofluoric acid and Repone K 100Kg, open and stir, the titanium ore of 1080Kg is added, airtight continuation reaction 2 hours, extraction temperature reaches 100 ℃;
(2) by leaching qualified slip, with pump, squeeze into clarifying tank, sedimentation removal of impurities 20h obtains hydrofluotitanic acid iron clear liquid, 55 ℃ of temperature;
(3) Repone K 950 Kg dissolve to obtain potassium liquid with the potassium fluotitanate mother liquor of 4000 Kg iron content 12%, and after press filtration, clear liquid is standby;
(4) (2) hydrofluotitanic acid iron clear liquid is added synthetic groove open and stir, then with 40min, add (3) potassium chloride liquid, continue reaction 30min, 38 ℃ of temperature;
(5) the liquid-solid separation of potassium fluotitanate slip upper step being obtained, washing obtain potassium fluotitanate wet product, and waste water enters lower step and processes;
(6) potassium fluotitanate wet product obtains 1232Kg potassium fluotitanate finished product after being dried;
(7) above-mentioned waste water stays 4000 Kg to do potassium chloride dissolving use, and 2980Kg adds 120Kg refined lime in addition, stirs 30 min, and then press filtration obtains clear liquid;
(8) by adding hydrogen peroxide 300 Kg sodium peroxide 50 Kg and appropriate stablizer under above-mentioned clear liquid stirring, stir 10 min, then still aging 5h, obtains poly-ferric chloride solution;
Analytical results: the main content 98.0% of potassium fluotitanate, Si 0.16%, and poly-ferric chloride is containing Fe11.4%, basicity 90%.
Embodiment 3
The present embodiment is used following raw material
1, hydrofluoric acid is containing HF 35.1%;
2, Repone K is containing K
2o 61.2%;
3, titanium ore (nFe
2o
3mFeO(3/2n+m) T iO
2) containing Ti 30.5%, Fe33.6%, Fe
2o
311.2%, FeO31.3%;
4, refined lime is containing CaO73.3%;
5, hydrogen peroxide is containing H
2o
220%.
Specifically comprise the following steps:
(1) first in leaching vat, add 2130Kg hydrofluoric acid and Repone K 90Kg, open and stir, the titanium ore of 1050Kg is added, airtight continuation reaction 2.5 hours, extraction temperature reaches 105 ℃;
(2) by leaching qualified slip, with pump, squeeze into clarifying tank, sedimentation removal of impurities 8h obtains hydrofluotitanic acid iron clear liquid, 58 ℃ of temperature;
(3) Repone K 950 Kg dissolve to obtain potassium liquid with the potassium fluotitanate mother liquor of 4000 Kg iron content 12.5%, and after press filtration, clear liquid is standby;
(4) (2) hydrofluotitanic acid iron clear liquid is added synthetic groove open and stir, then with 30min, add (3) potassium chloride liquid, continue reaction 30min, 40 ℃ of temperature;
(5) the liquid-solid separation of potassium fluotitanate slip upper step being obtained, washing obtain potassium fluotitanate wet product, and waste water enters lower step and processes;
(6) potassium fluotitanate wet product obtains 1230Kg potassium fluotitanate finished product after being dried;
(7) above-mentioned waste water stays 4000 Kg to do potassium chloride dissolving use, and other 2800 Kg add 130Kg refined lime, stirs 30 min, and then press filtration obtains clear liquid;
(8) by adding hydrogen peroxide 400 Kg and appropriate stablizer under above-mentioned clear liquid stirring, stir then still aging 10h of 10 min, obtain poly-ferric chloride solution.
Analytical results: the main content 97.8% of potassium fluotitanate, Si 0.19%, and poly-ferric chloride is containing Fe11.0%, basicity 50%.
Embodiment 4
The present embodiment is used following raw material
1, hydrofluoric acid is containing HF 35.1%;
2, Repone K is containing K
2o 61.2%;
3, titanium ore (nFe
2o
3mFeO(3/2n+m) T iO
2) containing Ti 27.5%, Fe37.6%, Fe
2o
37.6%, FeO41.5%;
4, refined lime is containing CaO73.3%;
5, hydrogen peroxide is containing H
2o
220%.
Specifically comprise the following steps:
(1) first in leaching vat, add 2130Kg hydrofluoric acid and Repone K 90Kg, open and stir, the titanium ore of 1200Kg is added, airtight continuation reaction 2 hours, extraction temperature reaches 105 ℃;
(2) by leaching qualified slip, with pump, squeeze into clarifying tank, sedimentation removal of impurities 20h obtains hydrofluotitanic acid iron clear liquid, 55 ℃ of temperature;
(3) Repone K 950 Kg dissolve to obtain potassium liquid with the potassium fluotitanate mother liquor of 5000 Kg iron content 13.2 %, and after press filtration, clear liquid is standby;
(4) (2) hydrofluotitanic acid iron clear liquid is added synthetic groove open and stir, then with 30min, add (3) potassium chloride liquid, continue reaction 10min, 37 ℃ of temperature;
(5) the liquid-solid separation of potassium fluotitanate slip upper step being obtained, washing obtain potassium fluotitanate wet product, and waste water enters lower step and processes;
(6) potassium fluotitanate wet product obtains 1210Kg potassium fluotitanate finished product after being dried;
(7) above-mentioned waste water stays 5000 Kg to do potassium chloride dissolving use, and other 2800 Kg add 135Kg refined lime, stirs 30 min, and then press filtration obtains clear liquid;
(8) by adding hydrogen peroxide 400 Kg and appropriate stablizer under above-mentioned clear liquid stirring, stir 10 min, then still aging 10h, obtains poly-ferric chloride solution.
Analytical results: the main content 98.3% of potassium fluotitanate, Si 0.17%, and poly-ferric chloride is containing Fe12.2%, basicity 75%.
Embodiment 5
The present embodiment is used following raw material
1, hydrofluoric acid is containing HF 35.1%;
2, Repone K is containing K
2o 61.2%;
3, titanium ore (nFe
2o
3mFeO(3/2n+m) T iO
2) containing Ti33.6%, Fe31.6%, Fe
2o
312.5%, FeO29.5%;
4, refined lime is containing CaO73.3%;
5, SPC-D is containing 2Na
2cO
33H
2o
299%.
Specifically comprise the following steps:
(1) first in leaching vat, add 2130Kg hydrofluoric acid and Repone K 100Kg, open and stir, the titanium ore of 990Kg is added, airtight continuation reaction 2 hours, extraction temperature reaches 105 ℃;
(2) by leaching qualified slip, with pump, squeeze into clarifying tank, sedimentation removal of impurities 24h obtains hydrofluotitanic acid iron clear liquid, 52 ℃ of temperature;
(3) Repone K 950 Kg dissolve to obtain potassium liquid with the potassium fluotitanate mother liquor of 5000 Kg iron content 13.2 %, and after press filtration, clear liquid is standby;
(4) (2) hydrofluotitanic acid iron clear liquid is added synthetic groove open and stir, then with 30min, add (3) potassium chloride liquid, continue reaction 10min, 35 ℃ of temperature;
(5) the liquid-solid separation of potassium fluotitanate slip upper step being obtained, washing obtain potassium fluotitanate wet product, and waste water enters lower step and processes;
(6) potassium fluotitanate wet product obtains 1270Kg potassium fluotitanate finished product after being dried;
(7) above-mentioned waste water stays 5000 Kg to do potassium chloride dissolving use, and other 2700 Kg add 70Kg refined lime, stirs 30 min, and then press filtration obtains clear liquid;
(8) by adding SPC-D 250 Kg and appropriate stablizer under above-mentioned clear liquid stirring, stir then still aging 10h of 10 min, obtain poly-ferric chloride solution.
Analytical results: the main content 98.5% of potassium fluotitanate, Si 0.15%, and poly-ferric chloride is containing Fe11.2%, basicity 90%.
Above are only the specific embodiment of the present invention, but design concept of the present invention is not limited to this, allly utilizes this design to carry out the change of unsubstantiality to the present invention, all should belong to the behavior of invading protection domain of the present invention.
Claims (4)
1. the coproducing polymerized ferric chloride purifying agent production technique of potassium fluotitanate, is characterized in that comprising the following steps:
(1), first in leaching vat, add quantitative hydrofluoric acid and Repone K, wherein, hydrofluoric acid is for containing the solution that HF massfraction is 18-55%, open and stir, the titanium ore that adds theoretical amount, the massfraction containing Ti in titanium ore is 25-37%, temperature is increased to 90-105 ℃ of leaching, confined reaction 1.0-2.0h, obtains hydrofluotitanic acid iron charge slurry;
(2), by leaching qualified slip, with pump, squeeze into clarifying tank, it is standby that sedimentation 5-24h obtains hydrofluotitanic acid iron clear liquid, and underflow slag enters sewage disposal;
(3), Repone K dissolves with potassium fluotitanate mother liquor, Repone K is containing K
2o massfraction is 40-62%, and after press filtration, clear liquid is standby, and slag enters sewage disposal;
(4), add synthetic groove to open a certain amount of hydrofluotitanic acid iron clear liquid to stir, then in 30-60min, add potassium chloride liquid in (3) of metering, continue reaction 20-30min, potassium fluotitanate crystallizes out;
(5), the liquid-solid separation of potassium fluotitanate slip obtaining in (4), washing are obtained to potassium fluotitanate wet product, waste water enters poly-ferric chloride and produces stocking system;
(6), in step (5), a waste water part enters Repone K dissolving circulation utilization in step (3), a part enters removal of impurities reactive tank, enter the waste liquid of removal of impurities reactive tank for making to be greater than 10% containing Fe massfraction by recycling mother liquor potassium chloride dissolving, in removal of impurities reactive tank, add the refined lime of calculated amount to stir 10-30min, then press filtration, filtrate enters next step operation, and filter residue enters solid waste treatment station;
(7), the filtrate that produces of upper step under agitation adds quantitative oxygenant, stablizer, still aging 5-24h obtains poly-ferric chloride liquid product; Described leaching vat, clarifying tank, synthetic groove and removal of impurities reactive tank all seal or arrange water seal.
2. the coproducing polymerized ferric chloride purifying agent production technique of potassium fluotitanate as claimed in claim 1, is characterized in that: in step (5), potassium fluotitanate wet product obtains potassium fluotitanate finished product after being dried.
3. the coproducing polymerized ferric chloride purifying agent production technique of potassium fluotitanate as claimed in claim 1, is characterized in that: in step (6), in refined lime, containing CaO massfraction, be greater than 72%.
4. the coproducing polymerized ferric chloride purifying agent production technique of potassium fluotitanate as claimed in claim 1, is characterized in that: in step (7), oxygenant is that one or both in hydrogen peroxide, alkali metal peroxide or SPC-D are used in conjunction with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210525028.8A CN102951688B (en) | 2012-12-10 | 2012-12-10 | Production process for cogeneration of polymerization ferric chloride water purification agent by using potassium fluotitanate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210525028.8A CN102951688B (en) | 2012-12-10 | 2012-12-10 | Production process for cogeneration of polymerization ferric chloride water purification agent by using potassium fluotitanate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102951688A CN102951688A (en) | 2013-03-06 |
| CN102951688B true CN102951688B (en) | 2014-08-27 |
Family
ID=47761156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210525028.8A Active CN102951688B (en) | 2012-12-10 | 2012-12-10 | Production process for cogeneration of polymerization ferric chloride water purification agent by using potassium fluotitanate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102951688B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104386787B (en) * | 2014-09-10 | 2015-12-30 | 济南大学 | A kind of take ilmenite as the preparation method of the inorganic ferrotianium polymerization coagulating agent of raw material |
| CN104386740B (en) * | 2014-11-21 | 2016-04-06 | 湖南有色湘乡氟化学有限公司 | A kind of preparation method of high-purity fluorine calcium titanate |
| CN105174269B (en) * | 2015-09-14 | 2017-07-28 | 福建省漳平市九鼎氟化工有限公司 | A kind of technique that potassium fluosilicate is reclaimed in potassium fluotitanate production process |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101353795A (en) * | 2008-08-26 | 2009-01-28 | 湖南万容科技有限公司 | Method for extracting copper from printed circuit board acidic spent etching solution and preparing poly ferric chloride |
| CN101838016B (en) * | 2010-04-02 | 2011-05-25 | 新星化工冶金材料(深圳)有限公司 | Potassium fluotitanate preparation technology |
| CN102161505A (en) * | 2011-05-12 | 2011-08-24 | 衡阳市邦友化工科技有限公司 | Recycling preparation process of potassium fluotitanate |
-
2012
- 2012-12-10 CN CN201210525028.8A patent/CN102951688B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101353795A (en) * | 2008-08-26 | 2009-01-28 | 湖南万容科技有限公司 | Method for extracting copper from printed circuit board acidic spent etching solution and preparing poly ferric chloride |
| CN101838016B (en) * | 2010-04-02 | 2011-05-25 | 新星化工冶金材料(深圳)有限公司 | Potassium fluotitanate preparation technology |
| CN102161505A (en) * | 2011-05-12 | 2011-08-24 | 衡阳市邦友化工科技有限公司 | Recycling preparation process of potassium fluotitanate |
Non-Patent Citations (4)
| Title |
|---|
| 刘海霞.氟钛酸钾生产新工艺.《河南化工》.2007,第36-38页. |
| 氟钛酸钾生产新工艺;刘海霞;《河南化工》;20071231;第36-38页 * |
| 福建省漳平市九鼎氟化工有限公司.福建省漳平市九鼎氟化工有限公司简介.《漳平市人民政府门户网站》.2012,第5段第3行. |
| 福建省漳平市九鼎氟化工有限公司简介;福建省漳平市九鼎氟化工有限公司;《漳平市人民政府门户网站》;20120816;第5段第3行 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102951688A (en) | 2013-03-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105803226B (en) | A kind of method of the Extraction of rare earth from ion adsorption type rare earth ore and aluminium | |
| WO2017174012A1 (en) | Molten-salt chlorinated-slag resource processing method | |
| CN104071820B (en) | A kind of method that calcirm-fluoride is produced by the LCD glass etching liquid that gives up | |
| CN105567985B (en) | A kind of recovery method of re metal electrolyzing fused salt slag | |
| CN110205503B (en) | Method for decomposing bastnaesite | |
| CN104030332B (en) | A kind of method reclaiming sodium aluminum fluoride from pesticide industry fluorine-containing waste residue | |
| CN104056841A (en) | Processing method of titanium extraction tailings | |
| CN102703708A (en) | Method for extracting gold and silver from electronic wastes | |
| CN103866125A (en) | Method for removing fluorine chlorine of zinc ash material by alkali washing extracting combined process | |
| CN105200248B (en) | A kind of step of utilization carbide slag one neutralizes the method that titanium white waste acid prepares high-purity scandium | |
| CN109402415A (en) | A kind of preparation of low grade natural rutile can chlorination rich-titanium material method | |
| CN102951688B (en) | Production process for cogeneration of polymerization ferric chloride water purification agent by using potassium fluotitanate | |
| CN103088203B (en) | The method of Iron concentrate is produced with sulfate slag | |
| CN105217755B (en) | Method for preparing titanium-containing inorganic flocculant | |
| CN101126164B (en) | Method for producing electrolytic zinc from zinc material with high-content of fluorin and silicon dioxide | |
| CN102897829B (en) | Process for producing potassium fluotitanate by environment-friendly treating fluorine-contained and potassium-contained waste | |
| CN106006572A (en) | Method for recycling tellurium from tellurium anode slime | |
| CN103193238A (en) | Method for producing superfine white carbon black, ferric hydroxide and aluminum oxide by using coal ash | |
| CN106542506A (en) | A kind of method that selenium is reclaimed from heavy tellurium waste liquid | |
| CN109694092A (en) | A kind of comprehensive processing method of the solid waste containing chlorine | |
| CN104071954A (en) | Method of treating high-iron red mud by alkaline process for deep dealkalization and iron enrichment | |
| CN104609472A (en) | Method for producing vanadium pentoxide from titanium tetrachloride refinement vanadium-removal slurry | |
| CN101871045A (en) | Method for producing zinc by utilizing sulphate process titanium dioxide waste acid | |
| CN207933046U (en) | A kind of Integrated Processing Unit of calcium fluoride sludge | |
| CN102642848B (en) | Comprehensive utilization method of acid sludge generated in acid making by smelting fume |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Production process for cogeneration of polymerization ferric chloride water purification agent by using potassium fluotitanate Effective date of registration: 20180724 Granted publication date: 20140827 Pledgee: Bank of China, Limited by Share Ltd, Zhangping branch Pledgor: Fujian Zhangping Jiuding Fluorine Chemical Co.,Ltd. Registration number: 2018990000591 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190903 Granted publication date: 20140827 Pledgee: Bank of China, Limited by Share Ltd, Zhangping branch Pledgor: Fujian Zhangping Jiuding Fluorine Chemical Co.,Ltd. Registration number: 2018990000591 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Production process for cogeneration of polymerization ferric chloride water purification agent by using potassium fluotitanate Effective date of registration: 20190904 Granted publication date: 20140827 Pledgee: Bank of China, Limited by Share Ltd, Zhangping branch Pledgor: Fujian Zhangping Jiuding Fluorine Chemical Co.,Ltd. Registration number: Y2019990000073 |