CN108677035A - Rotary kiln continuously roasts the method that titanium tetrachloride refines tailings dechlorination decarburization - Google Patents
Rotary kiln continuously roasts the method that titanium tetrachloride refines tailings dechlorination decarburization Download PDFInfo
- Publication number
- CN108677035A CN108677035A CN201811010162.8A CN201811010162A CN108677035A CN 108677035 A CN108677035 A CN 108677035A CN 201811010162 A CN201811010162 A CN 201811010162A CN 108677035 A CN108677035 A CN 108677035A
- Authority
- CN
- China
- Prior art keywords
- rotary kiln
- tailings
- titanium tetrachloride
- refines
- roasting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B34/00—Obtaining refractory metals
- C22B34/20—Obtaining niobium, tantalum or vanadium
- C22B34/22—Obtaining vanadium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/02—Roasting processes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B34/00—Obtaining refractory metals
- C22B34/10—Obtaining titanium, zirconium or hafnium
- C22B34/12—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08
- C22B34/1204—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 preliminary treatment of ores or scrap to eliminate non- titanium constituents, e.g. iron, without attacking the titanium constituent
- C22B34/1209—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 preliminary treatment of ores or scrap to eliminate non- titanium constituents, e.g. iron, without attacking the titanium constituent by dry processes, e.g. with selective chlorination of iron or with formation of a titanium bearing slag
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/001—Dry processes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The present invention relates to rotary kilns continuously to roast the method that titanium tetrachloride refines tailings dechlorination decarburization, belongs to the recovery and reuse technology field of refined tailings.Present invention solves the technical problem that being problem of environmental pollution when the refined tailings of titanium tetrachloride is stacked and vanadium loss.The technical solution of the present invention is to provide rotary kilns continuously to roast the method that titanium tetrachloride refines tailings dechlorination decarburization, step includes being passed through oxygen from rotary kiln end, set rotary kiln baking temperature and the speed of rotation, titanium tetrachloride tailings is refined from rotary kiln to be added in rotary kiln, counter current contacting is formed with oxygen and carries out roasting dechlorination decarburization, and the refined tailings after roasting is discharged and collects through kiln hood.The present invention has the characteristics that continuous dynamic dechlorination decarburization, can effectively dechlorination decarburization, while vanadium oxygenation efficiency is high, and the recovery utilization rate of vanadium is high.
Description
Technical field
The invention belongs to refine the recovery and reuse technology field of tailings, and in particular to rotary kiln continuously roasts titanium tetrachloride
The method of refined tailings dechlorination decarburization.
Background technology
Using Panxi Diqu v-ti magnetite ore resources as raw material, content of vanadium in the crude titanic chloride being prepared by chloridising
It is higher, about 5~10 ‰ or so.Vanadium is common coloured miscellaneous element in titanium tetrachloride, its presence can to follow-up titanium sponge and
Chloride process titanium dioxide quality has an adverse effect, thus needs to remove vanadium.For such high titanium tetrachloride containing vanadium, organic matter has except vanadium method
There is stronger adaptability.When removing vanadium using organic matter reagent to crude titanic chloride, the vanadium oxychloride of generation or the low price chlorine of vanadium
Compound is separated with other solid impurities in the form of residue, contains titanium tetrachloride in residue obtained, using the side of evaporation and concentration
Formula is recycled residue, and the tailings after evaporation recycling titanium tetrachloride is known as titanium tetrachloride and refines tailings, which contains
The elements such as vanadium, chlorine, titanium are solid waste common in titanium tetrachloride preparation process.In addition, titanium tetrachloride refines tailings in heap
During putting, a large amount of chlorine are will produce, seriously pollute environment, meanwhile, the content of vanadium is higher in tailings, will also result in certain money
Source wastes.
Horse Na etc. exists《Titanium tetrachloride refines the comprehensive utilizating research of tailings》Non-ferrous metal, 2017 (7) report first right
Titanium tetrachloride refine tailings carry out alkali leaching, implement in leachate it is multi-component efficiently separate, then use precipitating reagent, make aluminium with aluminium
The form of slag is detached with vanadium, and the separation of sodium chloride and sodium vanadate is realized using fractional crystallization, with this by the vanadium in refined tailings
Sodium vanadate is prepared, not only technological process is complicated for this scheme, but also it is refined not to be suitable for titanium tetrachloride with low aluminum content
Tailings.Patent document CN103911517A, which is disclosed, a kind of using TiCl4The method of refined tailings production vanadium bearing slag, this method are first
It is separated by solid-liquid separation by Soaking treatment, then obtained solid is mixed with sodium salt, refined to titanium tetrachloride by the way of high-temperature calcination
Tailings is recycled, but the calcining described in the method is the Static Calcination in Muffle furnace, and roasting sample size may deposit when big
It is insufficient calcining, to cause refined tailings dechlorination decarburization incomplete, the low situation of vanadium oxygenation efficiency.
Invention content
Present invention solves the technical problem that being problem of environmental pollution when the refined tailings of titanium tetrachloride is stacked and vanadium loss.
Technical proposal that the invention solves the above-mentioned problems is to provide rotary kiln and continuously roasts the refined tailings dechlorination of titanium tetrachloride
The method of decarburization, includes the following steps：It is passed through oxygen from rotary kiln end, sets rotary kiln baking temperature and the speed of rotation, from
Titanium tetrachloride is refined tailings and is added in rotary kiln by rotary kiln, and forming counter current contacting with oxygen carries out roasting dechlorination decarburization,
Refined tailings after roasting is discharged and collects through kiln hood.
Wherein, the tail gas for roasting generation is absorbed by device for absorbing tail gas, and minute solid particles pass through dust arrester installation
It is absorbed.
Wherein, it refers to after the crude titanic chloride that chloridising produces removes vanadium with organic matter, then steaming that titanium tetrachloride, which refines tailings,
The tailings that hair concentration and recovery titanium tetrachloride obtains.
Wherein, titanium tetrachloride refine tailings ingredient with the mass percentage of element include 10~18%TV (full vanadium),
10~18%Ti, 3~15%Cl, 3~15%C, 0.02~0.08%Si, 0.1~0.8%Fe, 0.1~0.3%Al.
Wherein, the flow of oxygen is 135~420m3/ (h ﹒ t refine tailings).
Wherein, rotary kiln baking temperature is 300~700 DEG C.Preferably, rotary kiln baking temperature is 500~600
℃。
Wherein, the rotary kiln speed of rotation is 0.2~1.5r/min.Preferably, the rotary kiln speed of rotation be 0.5~
1.5r/min。
Wherein, the rotary kiln baking time is 60~240min.
Beneficial effects of the present invention：
The present invention continuously roasts dechlorination decarburization to refined tailings by being passed through oxygen in rotary kiln and recycles vanadium, technique stream
Journey is simple；The present invention has the characteristics that continuous dynamic dechlorination decarburization, can effectively dechlorination decarburization, alleviate environmental pollution；The present invention
Vanadium oxygenation efficiency is high, and the recovery utilization rate of vanadium is high, it is processed by the invention after refined tailings can be sold as semi-finished product.
Specific implementation mode
The present invention provides rotary kiln and continuously roasts the method that titanium tetrachloride refines tailings dechlorination decarburization, includes the following steps：
It is passed through oxygen from rotary kiln end, rotary kiln baking temperature and the speed of rotation is set, is refined from rotary kiln by titanium tetrachloride
Tailings is added in rotary kiln, and forming counter current contacting with oxygen carries out roasting dechlorination decarburization, and the refined tailings after roasting is arranged through kiln hood
Go out and collects.
The tail gas for wherein roasting generation is absorbed by device for absorbing tail gas, and minute solid particles pass through after heat exchange
Dust arrester installation is absorbed.Device for absorbing tail gas and dust arrester installation at kiln tail to the gas-solid mixing material of rotary kiln blowout into
Row absorbs, and wherein dust arrester installation can be dust collecting sleeve, and setting dust collecting sleeve absorbs solid particle, is primarily due to refined tailing particles point
Cloth is uneven, and there are the molecules after molecule and the oxidation of refined tailings for itself.
Wherein, in order to reduce the exhaust temperature of generation, ensure that the temperature before tail gas enters tail gas absorbing system is maintained at 60
DEG C hereinafter, mixer selector valve can be arranged between offgas outlet and absorption system.
Wherein, it is as follows to refine the reaction that tailings mainly occurs in rotary kiln for titanium tetrachloride：
2VCl3+5/2O2=V2O5+3Cl2Δ H (650 DEG C)=- 401.988kJ
2VOCl2+3/2O2=V2O5+Cl2Δ H (650 DEG C)=- 182.088kJ
2TiOCl2+O2=2TiO2+2Cl2Δ H (650 DEG C)=- 785.26kJ
C+O2=CO2Δ H (650 DEG C)=- 394.435kJ
The carbon in can taking off tailings completely under the conditions of tailings roasting dechlorination is refined in titanium tetrachloride of the present invention, refines tailings
The removing of middle carbon is equivalent to the impurity content reduced in raw material for the refined postorder vanadium extract technology of tailings, to reach
To the purpose of decarburization.
Wherein, it refers to after the crude titanic chloride that chloridising produces removes vanadium with organic matter, then steaming that titanium tetrachloride, which refines tailings,
The tailings that hair concentration and recovery titanium tetrachloride obtains.
Wherein, the ingredient of the refined tailings of titanium tetrachloride is calculated in mass percent including 10~18%TV, 10~18%Ti, 3
~15%Cl, 3~15%C, 0.02~0.08%Si, 0.1~0.8%Fe, 0.1~0.3%Al.
Wherein, the flow of oxygen is 135~420m3/ (h ﹒ t refine tailings).
Wherein, rotary kiln baking temperature is 300~700 DEG C.Preferably, rotary kiln baking temperature is 500~600
℃。
Wherein, the rotary kiln speed of rotation is 0.2~1.5r/min.Preferably, the rotary kiln speed of rotation be 0.5~
1.5r/min。
Wherein, the rotary kiln baking time is 60~240min.
Roasting time is influenced by oxygen flow.Oxygen flow is bigger, and roasting time is shorter, but oxygen flow again should not mistake
Greatly, flow is excessive, and tailings cannot come into full contact with oxygen, and does not contact just to be blown into oxygen there are part molecule and gather dust
Device.
Embodiment 1：
The embodiment is used to illustrate that rotary kiln of the present invention continuously to roast the method that titanium tetrachloride refines tailings dechlorination decarburization.Tool
Body, it is 135m that oxygen flow is passed through into rotary calciner3/ (h ﹒ t refine tailings) opens device for absorbing tail gas, by mixed wind
Valve keeps full-gear；Rotary kiln baking stove heat system is opened, setting heating temperature is 300 DEG C, speed of rotation 1.5r/
Min waits for that temperature reaches set temperature, and the refined tailings of 1t is slowly added into charging hopper using Starlike valve；It is blown out from rotary kiln
Gas-solid mixing material, solid particle is collected by dust collecting sleeve, gaseous product is by tail gas absorbing system by chlorine therein etc.
Gas absorbs；Rotary kiln is discharged in the refined tailings after roasting after roasting 60min, is collected.It is refined after roasting through analysis
Chlorinity is 0.937% in tailings, carbon content 0.12%, and vanadium oxygenation efficiency is 72.21%, and vanadium yield is 80%.
Embodiment 2：
The embodiment is used to illustrate that rotary kiln of the present invention continuously to roast the method that titanium tetrachloride refines tailings dechlorination decarburization.Tool
Body, it is 135m that oxygen flow is passed through into rotary calciner3/ (h ﹒ t refine tailings) opens device for absorbing tail gas, by mixed wind
Valve keeps full-gear；Rotary kiln baking stove heat system is opened, setting heating temperature is 600 DEG C, speed of rotation 1.5r/
Min waits for that temperature reaches set temperature, and the refined tailings of 1t is slowly added into charging hopper using Starlike valve；It is blown out from rotary kiln
Gas-solid mixing material, solid particle is collected by dust collecting sleeve, gaseous product is by tail gas absorbing system by chlorine therein etc.
Gas absorbs；Rotary kiln is discharged in the refined tailings after roasting after roasting 60min, is collected.It is refined after roasting through analysis
Chlorinity is 0.1% in tailings, and carbon content is less than 0.04%, and vanadium oxygenation efficiency is 88.54%, and vanadium yield is 90%.
Embodiment 3：
The embodiment is used to illustrate that rotary kiln of the present invention continuously to roast the method that titanium tetrachloride refines tailings dechlorination decarburization.Tool
Body, it is 420m that oxygen flow is passed through into rotary calciner3/ (h ﹒ t refine tailings) opens device for absorbing tail gas, by mixed wind
Valve keeps full-gear；Rotary kiln baking stove heat system is opened, setting heating temperature is 600 DEG C, speed of rotation 0.5r/
Min waits for that temperature reaches set temperature, and the refined tailings of 1t is slowly added into charging hopper using Starlike valve；It is blown out from rotary kiln
Gas-solid mixing material, solid particle is collected by dust collecting sleeve, gaseous product is by tail gas absorbing system by chlorine therein etc.
Gas absorbs；Rotary kiln is discharged in the refined tailings after roasting after roasting 240min, is collected.Through analysis, the essence after roasting
Chlorinity is 0.091% in tailings processed, and carbon content is less than 0.04%, and vanadium oxygenation efficiency is 93.71%, and vanadium yield is 99%.
Embodiment 4：
The embodiment is used to illustrate that rotary kiln of the present invention continuously to roast the method that titanium tetrachloride refines tailings dechlorination decarburization.Tool
Body, it is 135m that oxygen flow is passed through into rotary calciner3/ (h ﹒ t refine tailings) opens device for absorbing tail gas, by mixed wind
Valve keeps full-gear；Rotary kiln baking stove heat system is opened, setting heating temperature is 600 DEG C, speed of rotation 0.5r/
Min waits for that temperature reaches set temperature, and the refined tailings of 1t is slowly added into charging hopper using Starlike valve；It is blown out from rotary kiln
Gas-solid mixing material, solid particle is collected by dust collecting sleeve, gaseous product is by tail gas absorbing system by chlorine therein etc.
Gas absorbs；Rotary kiln is discharged in the refined tailings after roasting after roasting 240min, is collected.Through analysis, the essence after roasting
Chlorinity is 0.097% in tailings processed, and carbon content is less than 0.05%, and vanadium oxygenation efficiency is 86.20%, and vanadium yield is 96%.
Claims (10)
1. rotary kiln continuously roasts the method that titanium tetrachloride refines tailings dechlorination decarburization, it is characterised in that include the following steps：From
Rotary kiln end is passed through oxygen, sets rotary kiln baking temperature and the speed of rotation, tail is refined from rotary kiln by titanium tetrachloride
Slag is added in rotary kiln, and forming counter current contacting with oxygen carries out roasting dechlorination decarburization, and the refined tailings after roasting is discharged through kiln hood
And it collects.
2. rotary kiln continuously roasts the method that titanium tetrachloride refines tailings dechlorination decarburization according to claim 1, feature exists
In：The tail gas that roasting generates is absorbed by device for absorbing tail gas, and minute solid particles are absorbed by dust arrester installation.
3. rotary kiln according to claim 1 or 2 continuously roasts the method that titanium tetrachloride refines tailings dechlorination decarburization, special
Sign is：The titanium tetrachloride refine tailings refer to chloridising production crude titanic chloride remove vanadium with organic matter after, through evaporate it is dense
It retracts and receives the tailings that titanium tetrachloride obtains.
4. continuously roasting the side that titanium tetrachloride refines tailings dechlorination decarburization according to claims 1 to 3 any one of them rotary kiln
Method, it is characterised in that：It includes 10~18%TV, 10 that the titanium tetrachloride, which refines the ingredient of tailings with the mass percentage of element,
~18%Ti, 3~15%Cl, 3~15%C, 0.02~0.08%Si, 0.1~0.8%Fe, 0.1~0.3%Al.
5. continuously roasting the side that titanium tetrachloride refines tailings dechlorination decarburization according to Claims 1 to 4 any one of them rotary kiln
Method, it is characterised in that：The flow of the oxygen is 135~420m3/ (h ﹒ t refine tailings).
6. continuously roasting the side that titanium tetrachloride refines tailings dechlorination decarburization according to Claims 1 to 5 any one of them rotary kiln
Method, it is characterised in that：The rotary kiln baking temperature is 300~700 DEG C.
7. continuously roasting the side that titanium tetrachloride refines tailings dechlorination decarburization according to claim 1~6 any one of them rotary kiln
Method, it is characterised in that：The rotary kiln baking temperature is 500~600 DEG C.
8. continuously roasting the side that titanium tetrachloride refines tailings dechlorination decarburization according to claim 1~7 any one of them rotary kiln
Method, it is characterised in that：The rotary kiln speed of rotation is 0.2~1.5r/min.
9. continuously roasting the side that titanium tetrachloride refines tailings dechlorination decarburization according to claim 1~8 any one of them rotary kiln
Method, it is characterised in that：The rotary kiln speed of rotation is 0.5~1.5r/min.
10. continuously roasting the side that titanium tetrachloride refines tailings dechlorination decarburization according to claim 1~9 any one of them rotary kiln
Method, it is characterised in that：The rotary kiln baking time is 60~240min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811010162.8A CN108677035A (en) | 2018-08-31 | 2018-08-31 | Rotary kiln continuously roasts the method that titanium tetrachloride refines tailings dechlorination decarburization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811010162.8A CN108677035A (en) | 2018-08-31 | 2018-08-31 | Rotary kiln continuously roasts the method that titanium tetrachloride refines tailings dechlorination decarburization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108677035A true CN108677035A (en) | 2018-10-19 |
Family
ID=63815617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811010162.8A Pending CN108677035A (en) | 2018-08-31 | 2018-08-31 | Rotary kiln continuously roasts the method that titanium tetrachloride refines tailings dechlorination decarburization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108677035A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110423893A (en) * | 2019-08-23 | 2019-11-08 | 成都先进金属材料产业技术研究院有限公司 | The method that titanium tetrachloride purification tailings prepares vanadic sulfate |
| CN110551907A (en) * | 2019-10-12 | 2019-12-10 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for preparing vanadium-titanium alloy by using refined tailings |
| CN112981141A (en) * | 2021-02-08 | 2021-06-18 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for preparing ferrovanadium alloy from titanium tetrachloride refining tailings |
| CN114350953A (en) * | 2021-11-30 | 2022-04-15 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for extracting vanadium from vanadium-containing refined tailings through preoxidation |
| CN115058588A (en) * | 2022-06-23 | 2022-09-16 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for reducing roasting vanadium loss of vanadium-containing refined tailings |
| CN115351053A (en) * | 2022-09-23 | 2022-11-18 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for treating chlorination tailings |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103911517A (en) * | 2014-04-04 | 2014-07-09 | 攀钢集团攀枝花钢铁研究院有限公司 | Method of preparing vanadium-containing clinker by using TiCl4 refined tailings |
| CN204373382U (en) * | 2014-12-12 | 2015-06-03 | 攀枝花钢城卓越钒钛有限公司 | The fully oxidized device of rotary kiln baking material |
| CN106892451A (en) * | 2017-04-11 | 2017-06-27 | 攀钢集团研究院有限公司 | For processing unit and its continuous construction technology except the refined tailings of vanadium mud |
| CN107445421A (en) * | 2017-07-31 | 2017-12-08 | 攀钢集团研究院有限公司 | The processing method of the mud containing vanadium caused by titanium tetrachloride vanadium removal |
| CN107857295A (en) * | 2017-11-13 | 2018-03-30 | 攀钢集团攀枝花钢铁研究院有限公司 | Organic matter removes vanadium mud energy saving resources Application way and device |
-
2018
- 2018-08-31 CN CN201811010162.8A patent/CN108677035A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103911517A (en) * | 2014-04-04 | 2014-07-09 | 攀钢集团攀枝花钢铁研究院有限公司 | Method of preparing vanadium-containing clinker by using TiCl4 refined tailings |
| CN204373382U (en) * | 2014-12-12 | 2015-06-03 | 攀枝花钢城卓越钒钛有限公司 | The fully oxidized device of rotary kiln baking material |
| CN106892451A (en) * | 2017-04-11 | 2017-06-27 | 攀钢集团研究院有限公司 | For processing unit and its continuous construction technology except the refined tailings of vanadium mud |
| CN107445421A (en) * | 2017-07-31 | 2017-12-08 | 攀钢集团研究院有限公司 | The processing method of the mud containing vanadium caused by titanium tetrachloride vanadium removal |
| CN107857295A (en) * | 2017-11-13 | 2018-03-30 | 攀钢集团攀枝花钢铁研究院有限公司 | Organic matter removes vanadium mud energy saving resources Application way and device |
Non-Patent Citations (3)
| Title |
|---|
| 国家地质总局矿产综合利用研究所: "《矿产综合利用第1辑》", 31 August 1978 * |
| 彭宝利: "《现代水泥制造技术》", 31 August 2015 * |
| 李登新: "《固体废物处理与处置》", 31 July 2014 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110423893A (en) * | 2019-08-23 | 2019-11-08 | 成都先进金属材料产业技术研究院有限公司 | The method that titanium tetrachloride purification tailings prepares vanadic sulfate |
| CN110551907A (en) * | 2019-10-12 | 2019-12-10 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for preparing vanadium-titanium alloy by using refined tailings |
| CN112981141A (en) * | 2021-02-08 | 2021-06-18 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for preparing ferrovanadium alloy from titanium tetrachloride refining tailings |
| CN112981141B (en) * | 2021-02-08 | 2022-08-05 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for preparing ferrovanadium alloy from titanium tetrachloride refining tailings |
| CN114350953A (en) * | 2021-11-30 | 2022-04-15 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for extracting vanadium from vanadium-containing refined tailings through preoxidation |
| CN115058588A (en) * | 2022-06-23 | 2022-09-16 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for reducing roasting vanadium loss of vanadium-containing refined tailings |
| CN115351053A (en) * | 2022-09-23 | 2022-11-18 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for treating chlorination tailings |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108677035A (en) | Rotary kiln continuously roasts the method that titanium tetrachloride refines tailings dechlorination decarburization | |
| CA2623628C (en) | A process for separating iron from other metals in iron containing feed stocks | |
| CN104528834B (en) | Artificial rutile mether liquor recycling novel method | |
| MX2008004986A (en) | A process for enrichment of anatase mechanical concentrates in order to obtain synthetic rutile with low contents of rare earth and radioactive elements. | |
| CN105671323A (en) | Method for comprehensively recycling copper and rhenium from rhenium-rich residues | |
| CN107090551A (en) | A kind of method of the direct vanadium extraction of vanadium titano-magnetite | |
| CN109371252A (en) | A kind of device and method of pyrogenic process and wet method combined processing antimony regulus arsenic alkaline slag | |
| CN114606387A (en) | Wet-process and pyrogenic-process combined comprehensive recovery method for arsenic-alkali residue | |
| CN104152671B (en) | A kind of method of being prepared ironmaking iron ore concentrate by Iron Ore Containing Tin | |
| CN110306065A (en) | A kind of method that vanadium slag prepares ammonium metavanadate | |
| CN108118143B (en) | Method for preparing lithium carbonate by extracting lithium from lepidolite through two-stage chlorination roasting-alkali liquor leaching method | |
| CN1674331A (en) | Method for preparing manganese-zinc ferrite granules and mixed carbonate by using waste dry batteries | |
| CN105838908A (en) | Efficient and clean molybdenum smelting method | |
| CN106882839B (en) | Method for comprehensively utilizing titanium white waste acid | |
| CN112158874A (en) | Blast furnace cloth bag ash resource utilization process method | |
| CN106119546A (en) | A kind of method by rotary kiln baking Second-rate zinc oxide powder concentration of valuable metals | |
| CN108970308B (en) | High-temperature chlorination gold-containing flue gas treatment method | |
| CN108823429B (en) | Smelting method of low-grade sulfur-containing zinc oxide ore | |
| CN106892455B (en) | The green clean method for preparing of vanadium compounds | |
| CN114350963B (en) | Recycling method of calcified vanadium extraction tailings | |
| CN108048666A (en) | Method and the application of metal are recycled in a kind of electric precipitator dusts from copper metallurgy | |
| CN106834727A (en) | The system and method for processing converter vanadium chromium slag | |
| CN108251661A (en) | A kind of bone coal navajoite process for extracting vanadium | |
| CN107604169B (en) | A kind of method that leaded dedusting ash recycling recycles | |
| CN112813276A (en) | Method for disposing waste activated carbon |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181019 |
|
| RJ01 | Rejection of invention patent application after publication |