CN205773419U - A kind of hydrochloric acid method titanium white production system - Google Patents
A kind of hydrochloric acid method titanium white production system Download PDFInfo
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- CN205773419U CN205773419U CN201620499295.6U CN201620499295U CN205773419U CN 205773419 U CN205773419 U CN 205773419U CN 201620499295 U CN201620499295 U CN 201620499295U CN 205773419 U CN205773419 U CN 205773419U
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- hydrochloric acid
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Abstract
This utility model provides a kind of hydrochloric acid method titanium white production system, including being sequentially connected acidolysis device, equipment of crystallisation by cooling, oxidation unit, extraction equipment, hydrolysis device, washing filter-pressing device, salt treatment and defecator, the calciner plant connecing setting；Also including extracting acid device and high-temperature calcination device, described extraction equipment is connected with described acidolysis device by described extraction acid device, and described hydrolysis device is connected with described extraction acid device；Described equipment of crystallisation by cooling is connected with described high-temperature calcination device, and described high-temperature calcination device is connected with described extraction acid device.This hydrochloric acid method titanium white production system, equipment is simple, and technological process is short, and overwhelming majority operation is carried out at normal temperatures, easily operates；Requirement to raw material is relatively low, and the waste water produced is the 1/20 of sulfuric acid process preparation technology, the 1/10 of chloridising preparation technology, can accomplish that cleaning produces.
Description
Technical field
This utility model relates to titanium white production technical field, particularly relates to titanium white production systems technology neck
Territory.
Background technology
Titanium dioxide is the Chinese white that at present performance is optimal in the world, be widely used in coating, plastics,
The industrial circles such as papermaking, ink, rubber, chemical fibre.Due to the further expansion of its application, titanium white
Powder has penetrated into each corner of people's life, becomes a kind of important inorganic chemical product, and it is sold
Value is positioned at the 3rd of world's inorganic chemical product, is only second to synthesize ammonia and phosphoric acid.Therefore, titanium dioxide disappears
The number of the amount of expense, can weigh the height of a national living standard.
China's titanium resource is the abundantest, but titanium dioxide industry is the most backward.The titanium dioxide people in the whole nation at present
All consumption figures, less than 1.5 kilograms, are equivalent to 1/4th of north America region, 1/2nd of West Europe.Remove
Outside yielding poorly, the product structure of domestic titanium dioxide is the most unreasonable, low-grade titanium dioxide production capacity surplus,
And top grade anatase titanium dioxide, Rutile type titanium dioxide critical shortage, rely primarily on import.
At present, the manufacture method of titanium dioxide mainly has sulfuric acid process, chloridising, hydrochloric acid method etc..Wherein, sulfur
Acid system produces coating level titanium dioxide will be through five big steps: raw ore prepares, the sulfate of titanium is prepared, is hydrated
Prepared by titanium dioxide, hydrated titanium dioxide is calcined, titanium dioxide post processing；Chloridising produces coating level titanium
To prepare through raw ore in vain, prepared by the chloride of titanium, the chloride of titanium aoxidizes, titanium dioxide surface processes.
Wherein in chloride process, there are two kinds of techniques at present: fused salt chlorimation and fluidizing chlorination, are respectively applicable to difference
Titanium ore.Needing in fused salt chlorimation to add substantial amounts of salt (sodium chloride), these salt are eventually from chlorination furnace
Discharge with the form of abraum salt, become waste residue；Fluidizing chlorination is added without salt, other materials and fused salt chlorimation base
This is identical, and reaction temperature is higher than fused salt chlorimation.And hydrochloric acid method production coating level titanium white to prepare through raw ore,
Prepared by the muriatic aqueous solution of titanium, the muriatic aqueous hydrolysis of titanium prepares at titanate, titanate
Reason and calcining, titanium dioxide surface process.
Hydrochloric acid method mainly has U.S.'s ANT method, Canada's CTL method, China's ZLC method.External current
Exhibition situation is not introduced, and the expert of external this respect introduces the technique of this respect to China, does not talk
And the item of technology transfer.Domestic industry is it is believed that the technique of hydrochloric acid method production titanium dioxide is immature.
Sulfuric acid process manufacture titanium dioxide technique shortcoming be: process route long flow path, wet bench, sulphuric acid and
Water consumption height, refuse and by-product are many, big for environment pollution.China is to newly-built sulfate process titanium dioxide item at present
Mesh has timed out examination & approval, and indivedual provinces and cities refusal sulfate process titanium dioxide is expanded production project grant land use right.
And chloridising produce titanium dioxide need 800 DEG C or higher under the conditions of carry out chlorination.In chlorination
During, chlorine, oxychloride, titanium tetrachloride are highly corrosive, higher than sulfuric acid process cost；Separately
Outward, chloridising device structure is complicated, and requirement height, investment to material are bigger；Equipment and materials is high temperature resistant,
Corrosion-resistant, and be difficult to keep in repair, danger is the highest；When relating to major hazard source, once chlorine is let out
Leakage can cause serious consequence.One factory of the chloride process titanium dioxide industry the most only Jinzhou, Liaoning of China exists
Normal production.
Utility model content
For the problems referred to above, this utility model aims to solve the problem that problem as described above.Of the present utility model one
Individual purpose is to provide a kind of any one titanium white production system solved in problem above.Specifically,
A kind of flow process of this utility model offer is short, equipment simple hydrochloric acid method titanium white production system.
For solving above-mentioned technical problem, this utility model provides a kind of hydrochloric acid method titanium white production system,
Described hydrochloric acid method titanium white production system include being sequentially connected connect the acidolysis device of setting, equipment of crystallisation by cooling,
Oxidation unit, extraction equipment, hydrolysis device, washing filter-pressing device, salt treatment and defecator, calcining
Device；Described hydrochloric acid method titanium white production system also includes extracting acid device and high-temperature calcination device, described extraction
Fetching is put and is connected with described acidolysis device by described extraction acid device, described hydrolysis device and described extraction acid
Device is connected；Described equipment of crystallisation by cooling is connected with described high-temperature calcination device, described high-temperature calcination
Device is connected with described extraction acid device.
Wherein, described extraction acid device includes the first back extraction device and acid regeneration device, wherein, described extraction
It is provided with two between device with described first back extraction device and flows to contrary passage, described first back extraction dress
Put and be provided with two between described acid regeneration device and flow to contrary passage, described high-temperature calcination device with
Described acid regeneration device is connected, and described hydrolysis device is connected with described acid regeneration device, and described acid is again
Generating apparatus is connected with described acidolysis device.
Wherein, described hydrochloric acid method titanium white production device also includes counterflow extraction device and the second back extraction device,
Described washing filter-pressing device is connected with described second back extraction device by described counterflow extraction device.
Wherein, described hydrochloric acid method titanium white production system also includes high temperature decomposition device, described pyrolytic
Being provided with two between device with described second back extraction device and flow to contrary passage, described pyrolytic fills
Put and be connected with described acidolysis device.
Wherein, described counterflow extraction device includes one-level counterflow extraction device and two stage countercurrent extraction equipments,
Wherein, described washing filter-pressing device passes sequentially through described one-level counterflow extraction device and described two stage countercurrent extractions
Fetching is put and is connected with described second back extraction device, and described second back extraction device extracts with a described stage countercurrent
Fetching arranges the passage of directly connection between putting.
Wherein, described second back extraction device is connected with described one-level counterflow extraction device.
Wherein, described hydrochloric acid method titanium white production system also includes water purification installation, a described stage countercurrent extraction
Fetching is put and is connected with described water purification installation.
Wherein, it is disposed with PH regulating tank, diaphragm filter press and sand filter in described water purification installation.
Wherein, described hydrochloric acid method titanium white production system also includes hydrolysising mother liquid device, described two stage countercurrents
Extraction equipment is connected with described hydrolysising mother liquid device.
Wherein, it is disposed with PH regulating tank, diaphragm filter press, sand filtration in described hydrolysising mother liquid device
Pond and reverse osmosis unit.
The hydrochloric acid method titanium white production system that this utility model provides, equipment is simple, and technological process is short, absolutely
Major part operation is carried out at normal temperatures, easily operates；Requirement to raw material is relatively low, and the waste water produced
It is the 1/20 of sulfuric acid process preparation technology, the 1/10 of chloridising preparation technology, can accomplish that cleaning produces.Should
Production system takes into full account that energy regenerating and environmental protection facility, the most few acid solid waste and waste water are discharged,
The hydrochloric acid reusable edible of 90%, resource utilization is high；Extractant and the ferrous chloride of generation, magnesium chloride,
Magnesium oxide etc. can recycle, and the economic worth of by-product iron oxide red is higher.
Following description for exemplary embodiment, of the present utility model other characteristics are read with reference to the drawings
Feature and advantage will become apparent from.
Accompanying drawing explanation
The accompanying drawing of the part being incorporated in description and constitute description shows reality of the present utility model
Execute example, and be used for together with the description explaining principle of the present utility model.In the drawings, it is similar to
Reference is used for representing similar key element.Accompanying drawing in describing below is enforcements more of the present utility model
Example rather than all embodiment.For those of ordinary skill in the art, creative labor is not being paid
On the premise of Dong, other accompanying drawing can be obtained according to these accompanying drawings.
The structure that Fig. 1 schematically illustrates according to hydrochloric acid method titanium white production system of the present utility model is shown
It is intended to.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, below in conjunction with
Accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out clear,
It is fully described by, it is clear that described embodiment is a part of embodiment of this utility model rather than complete
The embodiment in portion.Based on the embodiment in this utility model, those of ordinary skill in the art are not making
The every other embodiment obtained under creative work premise, broadly falls into the scope of this utility model protection.
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can
With mutual combination in any.
This utility model provides a kind of complete hydrochloric acid method titanium white production system, it is possible to use common titanium
Iron mine carries out the production of titanium dioxide as raw material, and hydrochloric acid, extractant and the generation in production process
Side-product can recycling.This production system with concentrated hydrochloric acid and ilmenite concentrate generation acidolysis reaction,
Through titanium liquid remove impurity, heat up hydrolysis, salt treatment and filtration, calcining, the most levigate is filtrated to get finished product golden red
Stone-type titanium dioxide.
Below in conjunction with the accompanying drawings, carry out according to hydrochloric acid method titanium white production system provided by the utility model
Describe in detail.
Fig. 1 shows the knot of a kind of embodiment according to hydrochloric acid method titanium white production system of the present utility model
Structure schematic diagram.With reference to shown in Fig. 1, this hydrochloric acid method titanium white production system includes being sequentially connected and connects setting
Acidolysis device, equipment of crystallisation by cooling, oxidation unit, extraction equipment, hydrolysis device, washing filter-pressing device,
Salt treatment and defecator, calciner plant, raw material ilmenite concentrate and concentrated hydrochloric acid through acidolysis, crystallisation by cooling,
Aoxidize, extract, hydrolyze, wash filter pressing, salt treatment and the series of process such as filtration, calcining, finally may be used
To produce to obtain finished product titanium dioxide.It addition, this hydrochloric acid method titanium white production system also includes extracting acid device and high temperature
Calciner plant.Wherein, extraction equipment is connected with acidolysis device by extraction acid device, hydrolysis device and extraction
Acid device is connected；Equipment of crystallisation by cooling is connected with high-temperature calcination device, high-temperature calcination device and extraction acid
Device is connected.Exemplarily, high-temperature calcination device can use rotary calciner, and uses natural gas
As fuel.
Specifically, extraction acid device includes the first back extraction device and acid regeneration device.Wherein, extraction equipment with
Being provided with two between first back extraction device and flow to contrary passage, the iron content extractant in extraction equipment leads to
Crossing a passage to enter the first back extraction device and be used, the extractant obtained in the first back extraction device passes through
Another passage enters extraction equipment and uses；Two it are provided with between first back extraction device and acid regeneration device
Flowing to contrary passage, the iron content sour water produced in the first back extraction device enters acid by a wherein passage
In regenerative system, the absorbing liquid as acid uses, and can remove residue ferrum therein and other impurity simultaneously,
The acid waste water produced then is entered in the first back extraction device by another passage and is used.High-temperature calcination
Device is connected with acid regeneration device, and hydrolysis device is connected with acid regeneration device；In high-temperature calcination device
Producing by-product iron oxide red and HCl gas, wherein iron oxide red is collected as by-product, and HCl
Gas then enters production acid solution in acid regeneration device, and the HCl gas produced in hydrolysis device is also into acid again
Generating apparatus reclaims, in order to produce acid solution；Acid regeneration device is connected with acidolysis device, acid regeneration device
The acid solution of middle generation can be directly entered acidolysis device and carry out acidolysis use.Intermediate product during Gai obtains
To make full use of, and recycle, almost without waste discharge, it is achieved environmental protection produces.
Specifically, this hydrochloric acid method titanium white production device also includes counterflow extraction device and the second back extraction device,
Washing filter-pressing device is connected by counterflow extraction device and the second back extraction device.Washing filter-pressing device produces
Raw sour water enters in counterflow extraction device and is recycled, and jointly acts on extractant, produces circulation
Extraction acid agent, and enter in the second back extraction device and be used.
Specifically, this hydrochloric acid method titanium white production system also includes high temperature decomposition device, high temperature decomposition device
Flowing to contrary channel connection with between the second back extraction device by two, high temperature decomposition device fills with acidolysis
Put and be connected；The saline solution produced in second back extraction device can be directly entered in high temperature decomposition device and carry out
Decomposing, form oxide and HCl, wherein oxide is circulated utilization in returning the second back extraction device,
HCL then can directly return in acidolysis device and be used.
Wherein, counterflow extraction device includes one-level counterflow extraction device and two stage countercurrent extraction equipments.Washing
Filter-pressing device passes sequentially through one-level counterflow extraction device and two stage countercurrent extraction equipments and the second back extraction device phase
Connection, and the passage directly connected is set between the second back extraction device with one-level counterflow extraction device.Tool
Body ground, is joined directly together logical by a passage between the second back extraction device and one-level counterflow extraction device, from
And the extractant produced in the second back extraction device can be directly entered in one-level counterflow extraction device and reclaim
Utilize.
It is pointed out that and also include Water warfare according to hydrochloric acid method titanium white production system of the present utility model
Device, one-level counterflow extraction device is connected with water purification installation.One-level counterflow extraction device produces
Waste water, after water purification installation carries out purified treatment, can fully recycle, and effectively reduces useless
Water discharge capacity.Specifically, PH regulating tank, diaphragm filter press and sand it are disposed with in water purification installation
Filter tank.
Wherein, acid waste water is mainly adjusted to neutrality by PH regulating tank, in order to avoid causing diaphragm filter press
Corrosion；Waste water is carried out separating impurity by diaphragm filter press and sand filter, purifies water.Diaphragm filter press will
The bigger granule foreigns such as ferrum in waste water and other metal impurities leach, sand filter by coagulation, clarification,
The series of processes such as filtration, remove remaining minute impurities in water, thus are fully cleaned up by waste water.Pass through
Waste water after water purification installation purified treatment, can recycle, with saving water resource, such as, and can
Using the supplementary water as hydrolyzing process.
It addition, this hydrochloric acid method titanium white production system also includes hydrolysising mother liquid device, two stage countercurrent extraction dresses
Put and be connected with hydrolysising mother liquid device.The waste water produced in two stage countercurrent extraction equipments enters hydrolysising mother liquid dress
Process in putting, and fully recycle, retrieve the discharge of waste water further.Specifically, water
PH regulating tank, diaphragm filter press, sand filter and reverse osmosis unit it is disposed with in hydrolysis mother liquor device.
Similar to the principle of water purification installation, acid waste water is mainly adjusted to neutrality by PH regulating tank, with
Exempt from diaphragm filter press is caused corrosion；Waste water is carried out separating impurity by diaphragm filter press and sand filter, purifies
Water quality.The bigger granule foreigns such as the ferrum in waste water and other metal impurities are leached by diaphragm filter press, sand
Filter tank by coagulation, clarify, the series of processes such as filtration, remove remaining minute impurities in water, thus
Waste water is fully cleaned up.And reverse osmosis unit utilizes, and semipermeable membrane can the selection of impermeable salt passes through through water
Property, remove the various salinities in water, such that it is able to obtain highly purified water.At hydrolysising mother liquid device
High-purity water after reason, it is possible to use carry out recycling in washing step.
According to hydrochloric acid method titanium white production system of the present utility model, it is possible to use common ilmenite is as former
Material produces.Breeze and concentrated hydrochloric acid are mixed into acidolysis device respectively through after metering, carry out acidolysis, mistake
Thick metatitanic acid can be obtained after filter residue.Thick metatitanic acid, through freezing and crystallizing, filters and separates FeCl2Crystal and
The titanium liquid of preliminary purification；Wherein, FeCl2Crystal enters in high-temperature calcination device and calcines, and can prepare
Side-product iron oxide red Fe2O3, the HCl produced during this makes full use of in acid regeneration device.Just
The titanium liquid that step purifies enters oxidation unit, adds NaNO3Can be the Fe in titanium liquid2+It is oxidized to Fe3+
After, titanium liquid carries out remove impurity through extraction equipment again, obtains pure titanium liquid.
Pure titanium liquid enters hydrolysis device, adds aluminium flake and hydrolysis auxiliary agent, and utilizes superheated steam to carry out
Heating, stirs simultaneously, is hydrolyzed, can prepare metatitanic acid and recycled HCl；HCl can
Make full use of with entrance acid regeneration device.Metatitanic acid after hydrolysis enter washing filter-pressing device carry out washing,
After sedimentation, filter pressing, hydrated titanium dioxide can be separated with mother solution.
Wherein, the sour water after washing enters one-level counterflow extraction device and carries out counter-current extraction, the water after extraction
Enter water purification installation and carry out purified treatment, then recycle；Circulate extraction acid agent and sour water then enters
Proceeding extraction in two stage countercurrent extraction equipments, the water after extraction enters in hydrolysising mother liquid processing means
Row processes, then is recycled；Circulation extraction acid agent after two stage countercurrent extractions enters the second back extraction device
In carry out back extraction, the extractant obtained is back in one-level counterflow extraction device recycle, and golden
Genus saline solution then enters and carries out resolution process in high temperature decomposition device.Metal-oxide after pyrolytic returns
Returning in the second back extraction device and continue with, HCl is then recycled in acidolysis device be used.
Hydrated titanium dioxide enters in salt treatment and filter-pressing device, utilizes fresh water (FW) to regulate density, according to one
Certainty ratio adds salt treatment agent and sodium chlorate processes, and then carries out filter pressing process, for example, it is possible to use
Diaphragm filter press carries out filter pressing, thus reaches the modification to titanium dioxide.Then calcining dress is entered back into
Putting and calcine and cool down, the titanium dioxide obtained carries out polishing again and pulverizes, and filters, the most available
Titanium dioxide finished product.
According to hydrochloric acid method titanium white production system of the present utility model, produce system compared to sulfuric acid method titanium pigment
System and chloridising production system, its operation is simple, and technological process is short, ingredient requirement is relatively low, equipment is simple,
Processing ease, small investment；And, wherein overwhelming majority operation is carried out at normal temperatures, acidproof to equipment,
High temperature resistant, corrosion resistant requiring relatively low, energy consumption is low, risk is low, and enterprise is easily enlarged production scale.Separately
Outward, the hydrochloric acid in its production process, extractant, ferrous chloride, magnesium chloride, magnesium oxide etc. all can follow
Ring utilizes, and resource utilization is close to 100%；Further, the economic worth of its by-product iron oxide red is higher,
Productivity effect can be improved；Its waste water produced is the 1/20 of sulfuric acid process, is chloridising production technology
1/10, can effectively realize cleaning produce, its environmental benefit is splendid.
Descriptions above can combine enforcement individually or in every way, and these modification
Mode is all within protection domain of the present utility model.
It should be noted that in this article, the relational terms of such as first and second or the like is used merely to
One entity or operation are separated with another entity or operating space, and not necessarily requires or imply
Relation or the order of any this reality is there is between these entities or operation.And, term " includes ",
" comprise " or its any other variant is intended to comprising of nonexcludability, so that include a series of
The article of key element or equipment not only include those key elements, but also other including being not expressly set out are wanted
Element, or also include the key element intrinsic for this article or equipment.In the feelings not having more restriction
Under condition, statement " including ... " key element limited, it is not excluded that include described key element article or
Equipment there is also other identical element.
Above example is only in order to illustrate the technical solution of the utility model and unrestricted, reference only to preferably
This utility model has been described in detail by embodiment.It will be understood by those within the art that, can
The technical solution of the utility model is modified or equivalent, without deviating from this utility model skill
The spirit and scope of art scheme, all should contain in the middle of right of the present utility model.
Claims (10)
1. a hydrochloric acid method titanium white production system, it is characterised in that described hydrochloric acid method titanium white production system
System include being sequentially connected connect the acidolysis device of setting, equipment of crystallisation by cooling, oxidation unit, extraction equipment,
Hydrolysis device, washing filter-pressing device, salt treatment and defecator, calciner plant；
Described hydrochloric acid method titanium white production system also includes extracting acid device and high-temperature calcination device, described extraction
Device is connected with described acidolysis device by described extraction acid device, described hydrolysis device and described extraction acid dress
Put and be connected；Described equipment of crystallisation by cooling is connected with described high-temperature calcination device, and described high-temperature calcination fills
Put and be connected with described extraction acid device.
2. hydrochloric acid method titanium white production system as claimed in claim 1, it is characterised in that described extraction acid
Device includes the first back extraction device and acid regeneration device, wherein, described extraction equipment and described first back extraction
It is provided with two between device and flows to contrary passage, described first back extraction device and described acid regeneration device
Between be provided with two and flow to contrary passage, described high-temperature calcination device is connected with described acid regeneration device
Logical, described hydrolysis device is connected with described acid regeneration device, and described acid regeneration device fills with described acidolysis
Put and be connected.
3. hydrochloric acid method titanium white production system as claimed in claim 1, it is characterised in that described hydrochloric acid
Method titanium white production device also includes counterflow extraction device and the second back extraction device, described washing filter-pressing device
It is connected with described second back extraction device by described counterflow extraction device.
4. hydrochloric acid method titanium white production system as claimed in claim 3, it is characterised in that described hydrochloric acid
Method titanium white production system also includes high temperature decomposition device, described high temperature decomposition device and described second back extraction
It is provided with two between device and flows to contrary passage, described high temperature decomposition device and described acidolysis device phase
Connection.
5. hydrochloric acid method titanium white production system as claimed in claim 3, it is characterised in that described adverse current
Extraction equipment includes one-level counterflow extraction device and two stage countercurrent extraction equipments, wherein, described washing filter pressing
It is second anti-with described that device passes sequentially through described one-level counterflow extraction device and described two stage countercurrent extraction equipments
Extraction device is connected, and arranges between described second back extraction device and described one-level counterflow extraction device directly
The passage of connection.
6. hydrochloric acid method titanium white production system as claimed in claim 5, it is characterised in that described second
Back extraction device is connected with described one-level counterflow extraction device.
7. hydrochloric acid method titanium white production system as claimed in claim 5, it is characterised in that described hydrochloric acid
Method titanium white production system also includes water purification installation, described one-level counterflow extraction device and described Water warfare
Device is connected.
8. hydrochloric acid method titanium white production system as claimed in claim 7, it is characterised in that described water is clean
PH regulating tank, diaphragm filter press and sand filter it is disposed with in gasifying device.
9. hydrochloric acid method titanium white production system as claimed in claim 5, it is characterised in that described hydrochloric acid
Method titanium white production system also includes hydrolysising mother liquid device, described two stage countercurrent extraction equipments and described hydrolysis
Mother solution device is connected.
10. hydrochloric acid method titanium white production system as claimed in claim 9, it is characterised in that described water
PH regulating tank, diaphragm filter press, sand filter and reverse osmosis unit it is disposed with in hydrolysis mother liquor device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620499295.6U CN205773419U (en) | 2016-05-26 | 2016-05-26 | A kind of hydrochloric acid method titanium white production system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620499295.6U CN205773419U (en) | 2016-05-26 | 2016-05-26 | A kind of hydrochloric acid method titanium white production system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107915253A (en) * | 2017-11-29 | 2018-04-17 | 广西雅照钛白有限公司 | A kind of production method of titanium dioxide |
| CN113912110A (en) * | 2021-10-27 | 2022-01-11 | 龙佰禄丰钛业有限公司 | Method for recovering titanium dioxide and hydrochloric acid from titanium tetrachloride tail gas absorption liquid |
| CN115215370A (en) * | 2022-08-08 | 2022-10-21 | 张林仓 | Titanium dioxide/titanium dioxide production process utilizing hydrochloric acid and extraction process |
-
2016
- 2016-05-26 CN CN201620499295.6U patent/CN205773419U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107915253A (en) * | 2017-11-29 | 2018-04-17 | 广西雅照钛白有限公司 | A kind of production method of titanium dioxide |
| CN113912110A (en) * | 2021-10-27 | 2022-01-11 | 龙佰禄丰钛业有限公司 | Method for recovering titanium dioxide and hydrochloric acid from titanium tetrachloride tail gas absorption liquid |
| CN115215370A (en) * | 2022-08-08 | 2022-10-21 | 张林仓 | Titanium dioxide/titanium dioxide production process utilizing hydrochloric acid and extraction process |
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Granted publication date: 20161207 |
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