CN108393190A - The method for recycling tantalum niobium from magnetic antiquated sand, aoxidizing lithium concentrate - Google Patents
The method for recycling tantalum niobium from magnetic antiquated sand, aoxidizing lithium concentrate Download PDFInfo
- Publication number
- CN108393190A CN108393190A CN201810353105.3A CN201810353105A CN108393190A CN 108393190 A CN108393190 A CN 108393190A CN 201810353105 A CN201810353105 A CN 201810353105A CN 108393190 A CN108393190 A CN 108393190A
- Authority
- CN
- China
- Prior art keywords
- magnetic
- antiquated sand
- niobium
- concentrate
- tantalum
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
Abstract
A kind of method for recycling tantalum niobium from magnetic antiquated sand, aoxidizing lithium concentrate of the present invention, using the magnetic antiquated sand after tantalum niobium lithium mine ore dressing as raw material, including tantalum-niobium concentrate and oxidation lithium concentrate recycling, tantalum-niobium concentrate recycling be by magnetic antiquated sand through classification, concentration, ore grinding, except iron, flotation, direct waterfall chute most after through high-gradient magnetic separation handle to obtain tantalum-niobium concentrate;The ore grinding is that control handles magnetic antiquated sand to magnetic antiquated sand granularity≤0.1mm through ore grinding;The present invention provides a kind of method simple for process, efficient for recycling tantalum-niobium concentrate from magnetic antiquated sand and aoxidizing lithium concentrate or being lepidolite concentrate;Its economic technology benefit is apparent, reduces the environmental pollution during resources development and utilization, realizes sustainable development.
Description
Technical field:
The present invention relates to the method that the magnetic material antiquated sand being related in a kind of tailings from tantalum niobium lithium ore dressing plant recycles metal value-bearing material,
Especially a kind of method for recycling tantalum niobium from magnetic antiquated sand, aoxidizing lithium concentrate.
Background technology:
Currently, being that raw ore is being reached satisfactory grade after ore grinding screening to the ore dressing of tantalum niobium lithium green ore, so
After can flow into corresponding high gradient magnetic separator and carry out roughing, which is separated into non magnetic ore pulp and magnetic by ore pulp
Property ore pulp.And magnetic ore pulp can flow directly into the corresponding cloth ditch device in workshop, cloth ditch device can be by the tantalum niobium in magnetic ore pulp
Selecting comes out, and the ore pulp after picking up is Tailings Slurry, and Tailings Slurry is mainly made of levels waterfall chute tailing by filtering.
This fraction pulp flow, concentration is relatively low, solid content about 10t/h, commonly referred to as magnetic antiquated sand.To above-mentioned generated magnetic useless
Sand, current processing are stacked in mountainous region as waste, to the upper magnetic antiquated sand, are chemically examined after testing, data five
Aoxidize two tantalum 0.0226-0.0453(%), and lithia is 0.48-0.56(%), show tantalum pentoxide, lithia in magnetic material
Grade is also still higher.Utility value with very high recycling.
And using it is existing to the identical process of tantalum niobium lithium green ore institute and ore-dressing plant be difficult to be recovered to tantalum-niobium concentrate and
Aoxidize lithium concentrate product.
Therefore, how to come to be realized from the magnetic antiquated sand raw material in tantalum niobium lithium ore dressing plant to tantalum niobium, oxidation lithium concentrate or be lithium
Mica concentrate and efficiently separating in other abandoned mine sandy plain material, improve value-added content of product.Strengthen tantalum niobium, oxidation lithium concentrate or
The FLOTATION SEPARATION of lepidolite concentrate and other waste materials;Realize that the high efficiente callback of Hubeiwan in magnetic antiquated sand utilizes.Meanwhile promoting
Into ecological environmental protection, a large amount of soils that magnetic antiquated sand solid waste occupies are reduced, China's mining industry overall technology water is driven
Flat promotion promotes regional economy, society, harmonious development etc. that will all play an important role.Me can be increased substantially
The level of comprehensive utilization of state's similar metal Mineral resource and the situation that metallic mineral resources supply and demand anxiety can be alleviated, and reduce money
Environmental pollution during the utilization of source, realizes sustainable development.
Invention content:
The present invention provides a kind of method for recycling tantalum niobium from magnetic antiquated sand, aoxidizing lithium concentrate, with the magnetic after tantalum niobium lithium mine ore dressing
Property antiquated sand be raw material, including tantalum-niobium concentrate and oxidation lithium concentrate recycling, provide a kind of simple for process, efficient from magnetic antiquated sand
Middle recycling tantalum-niobium concentrate and the method for aoxidizing lithium concentrate or being lepidolite concentrate;Its economic technology benefit is apparent, reduces resource and opens
Environmental pollution during hair utilization, realizes sustainable development.
A kind of method for recycling tantalum niobium from magnetic antiquated sand, aoxidizing lithium concentrate of the present invention, with the magnetic after tantalum niobium lithium mine ore dressing
Property antiquated sand be raw material, including tantalum-niobium concentrate and oxidation lithium concentrate recycling, tantalum-niobium concentrate recycling be by magnetic antiquated sand through point
Grade, ore grinding, most handles to obtain tantalum-niobium concentrate except iron, flotation, direct waterfall chute at concentration through high-gradient magnetic separation afterwards;The ore grinding is
Control handles magnetic antiquated sand to magnetic antiquated sand granularity≤0.1mm through ore grinding.
Preferably, it is first to carry out desliming process before magnetic antiquated sand is entered flotation after ore grinding removes iron.
Preferably, be the concentration be the concentrated processing of magnetic antiquated sand slurries that will be after classification it is magnetic antiquated sand ore pulp,
The mass percent concentration of the magnetic antiquated sand ore pulp of control is not higher than 30Wt% not less than 25Wt%.
Preferably, it is that the ore grinding uses 1530 type ball mills, is provided with every scalping and leakage in the ball mill apparatus
Ball.
It is further preferred that being that the concentration is concentrated using three-level thickening cone.
Preferably, be the flotation using one thick one it is single-minded sweep flow, control be added in floatation process neutral collecting agent and
Inhibitor.
Preferably, be the desliming process be use cyclone desliming process;The cyclone is 150 type cyclones.
Further, be the control neutral collecting agent addition it is 630-680 g/t, inhibitor addition is 55-
75g/t。
The method that the present invention recycles tantalum niobium from magnetic antiquated sand, aoxidizes lithium concentrate, the technological process respectively walked are:It is to adopt
With gravity separation technology after first flotation.Include removing classification, the concentration → ore grinding → before the magnetic antiquated sand ore grinding after tantalum niobium lithium mine ore dressing
Iron → flotation → directly waterfall chute → concentration → high-gradient magnetic separation tantalum-niobium concentrate and lepidolite concentrate aoxidizes lithium concentrate production
Product.Gravity treatment can reduce the concentration before flotation after first flotation, so as to shorten technological process.
In the above-mentioned preparation process of the present invention, unspecified place in specification is all made of existing method progress,
It such as removes iron processing and wet type permanent magnet low intensity magnetic separation may be used in advance except iron removing impurities, then through permanent-magnet concentration iron dross removing;When controlling magnetic separation
Magnetic pole surfaces magnetic field intensity H=6000-26000A/m, the specific susceptibility X of raw material tantalum niobium ore dressing plant tailing mineral particle0>38
×10-6cm3/ g is ferromagnetism iron mineral.It is cleaner iron mineral can be removed in this way;Inhibitor, the collecting agent being added when flotation
Can be enuatrol or oxidized paraffin wax soap 731 or lauryl amine etc. may each be the addition being added i.e. such as collecting agent by existing technology
Or dodecyloxy propylamine, the inhibitor can be that waterglass, phytic acid etc. carry out flotation, the tantalum-niobium concentrate lepidolite essence of preparation
Mineral yield higher.
The present invention using above-mentioned process its be first classified before ore grinding, concentration, can significantly improve
The yield of the recycling of tantalum-niobium concentrate and lepidolite concentrate and follow-up feldspar fine ore is directly entered ball mill not only without classification
Reducing ball mill processing capacity can also be overground.Lead to clay mineral, influences the recycling of tantalum-niobium concentrate and lepidolite concentrate, Yi Jihou
The yield of continuous feldspar fine ore.In the production process of reality, very low of magnetic material concentration in magnetic antiquated sand is measured according to practical
Have 4-6%, without concentration ore grinding treatment process its can not be made effective tantalum-niobium concentrate with aoxidize lithium concentrate product yield without
Method ensures, that is, effective economy and output efficiency is not achieved.
Gather second is that the present invention is walked using grinding process, tantalum niobium can be greatly improved and aoxidize the rate of recovery of lithium concentrate, leads to
It is general under reason condition to think magnetic antiquated sand or some other tantalum niobium abandoned mines, after early period crushes and ore grinding is handled,
Basic granularity is also smaller, general not will recognize that the carry out ore grinding processing being further continued for, and increases by a procedure accordingly
Increase corresponding equipment investment and operation cost, will not continue to using grinding process, still from production and economic angle
Show used in magnetic antiquated sand such as embodiments of the present invention after tantalum niobium lithium mine ore dressing 414 from the existing data of the present invention
There is monomer since 0.4mm in rich manganese niobium-tantalum ore in mine, and monomer dissociation rate is up to 95% when 0.1mm.So having to keep ore grinding thin
Degree is reaching 0.1mm, can just make most tantalum niobium, the dissociation of lithium mine, can just effectively improve tantalum niobium and aoxidize the recycling of lithium concentrate
Rate.Therefore to the mog of the magnetic material of the magnetic antiquated sand after tantalum niobium lithium mine ore dressing, tantalum niobium, oxygen can be greatly improved by regrinding
Change the rate of recovery of lithium concentrate.
Third, the present invention uses the process of progress magnetic separation after desliming, oxygen when flotation can be greatly improved before flotation
The recovery rate for changing lithium, because sludge can deteriorate floatation process and the effect of medicament, iron filings, sludge is interfered to be also easy to be mixed by entraining air bubbles
Enter in flotation concentrate, is unfavorable for the raising of flotation oxidation grade lithium;Therefore, the present invention first uses desliming process, institute in flotation glue
It states desliming process and is preferably cyclone desliming mode, screen analysis desliming process can also be used.
Fourth, the present invention further uses the production technology of flotation and direct waterfall chute, production can be significantly reduced
Cost significantly improves magnetic antiquated sand recycling tantalum niobium and oxidation lithium concentrate benefit;Recycling tantalum-niobium concentrate is often used shaking table and waterfall at present
Cloth chute is used in combination, and also needs to be enriched with by spiral chute before selected shaking table by mineral resources, also just significantly can in this way
Increase early investment;And the present invention is at low cost compared with shaking table using single waterfall chute operation expense, the suitable cost of power;
The present invention is proved by putting into practice service condition, by single direct waterfall chute, shows that the rate of recovery of tantalum-niobium concentrate is higher, and
Cost of investment can save more than one third, not only save investment to realize, but also can guarantee the rate of recovery of tantalum-niobium concentrate.
The process of the present invention is simple, and beneficiation cost is low, not only can be to the magnetic antiquated sand mine of tantalum niobium lithium ore dressing plant tailings
Sample carries out the extraction of tantalum niobium and lepidolite concentrate, also solves tantalum niobium ore dressing plant tailings rejected ore and discarded magnetic antiquated sand pair
Surrounding enviroment bring serious harm, and constitute a threat to problem to the security of the lives and property of the periphery people, and handling rate reaches
85% or more, the several hundred million tons of tantalum niobium lithium ore dressing plant tailings mines and magnetic waste barren rock solid waste change for so that China is generated give up into
Treasured has big economic and social benefit.
Specific implementation mode:With reference to embodiment to further detailed description of the invention.
Embodiment of the present invention is that the magnetic antiquated sand after the tantalum niobium lithium mine ore dressing with the tantalum niobium ore dressing plant of Feld Spar in Yichun Guimaraesite Mine is
Raw material, the grade after chemical examination are tantalum pentoxide 0.0226-0.0453(%), lithia 0.48-0.56%.In following manner
In not specify the device that uses of place be art methods and device.The dosage arrived involved in following description is quality percentage
Than or mass parts.
Embodiment
A kind of method for recycling tantalum niobium from magnetic antiquated sand, aoxidizing lithium concentrate of the present invention, with the magnetic after tantalum niobium lithium mine ore dressing
Property antiquated sand be raw material, including tantalum-niobium concentrate and oxidation lithium concentrate recycling, tantalum-niobium concentrate recycling be by magnetic antiquated sand through classification,
Concentration, ore grinding most handle to obtain tantalum-niobium concentrate except iron, flotation, direct waterfall chute through high-gradient magnetic separation afterwards;The ore grinding uses
It 1530 type ball mills and is provided with every scalping and loses in the ball mill apparatus;Simultaneously control by magnetic antiquated sand through ore grinding at
It manages to magnetic antiquated sand granularity≤0.1mm.Desliming process is first carried out before magnetic antiquated sand is entered flotation after ore grinding removes iron.
The concentration be will be after classification the concentrated processing of magnetic antiquated sand slurries be magnetic antiquated sand ore pulp, control magnetic useless
The mass percent concentration of placer slurry is not higher than 30Wt% not less than 25Wt%.The concentration is concentrated using three-level thickening cone.
Medicament Selection experiment
Sludge can excessively consume a large amount of medicament and the granularity of lepidolite is relatively thick, and therefore ,+400 mesh of use for the time being does medicament
Selection experiment, collector dosage 320g/t, inhibitor dosage are 800g/t.Method is that tailings sample ore is magnetic antiquated sand → wet screening
Processing → except iron processing → inhibiting, collecting agent etc. → flotation → product.
2 medicament Selection experiment result of table
Illustrate as shown in Table 2:It is 4.52% that medicament 1, which can obtain grade, the concentrate that the rate of recovery is 32.20%, compared to medicament 2, concentrate
Grade low 0.27%, but the rate of recovery is high by 15.96%, so follow-up test selects medicament 1.The medicament be for collecting agent+
The abbreviation of inhibitor and dispersant, as medicament 1 be collecting agent+inhibitor and addition dispersant, medicament 2 be only collecting agent+
Inhibitor.The addition of dispersant described in the medicament 1 of the present invention can be added either by prior art manner by sieving
It is added when processing or is added simultaneously after inhibitor and collecting agent is added.
Complete floating experiment, since raw ore, that is, tantalum niobium ore dressing plant tailings argillization is serious, floating test result is bad entirely.It therefore need to be to this
Invention carries out Desliming test using raw material tantalum niobium ore dressing plant tailings raw material mineral material;To determine the best processing route side of the present invention
Method and route.
The desliming process of raw material concentrate is tested,
1, screen analysis desliming,
It is on the high side for tantalum niobium ore dressing plant tailings raw material mineral material chats cement content, three groups of Desliming tests are carried out, are investigated in different grains
Lower influence of the desliming to flotation lepidolite concentrate numerical indication of grade, takes 250 grams of sample ores sieve of 400,600,800 mesh respectively
Wet screening takes the upper product of sieve to do flotation.Test method and flow:Tailings sample ore → wet screening is handled → remove iron processing → inhibiting,
Collecting agent etc. → flotation → product.
3 desliming mesh number test result of table
From upper table 3:After primary sample uses 600 mesh sieve deslimings, obtains lepidolite concentrate yield, grade by flotation and return
Yield is all higher than other two groups.Therefore, tailing carries out 600 mesh desliming best results.
2, desliming is settled
It takes two bags of 250g sample ores to be put into flotation device and stirs 5min, pour into and settle 10min and 15min in graduated cylinder respectively, sunk
Desliming test drops.Test result see the table below 4.
4 settling test result of table
As shown in Table 4:Sedimentation desliming effect is good not as good as screen analysis desliming effect, so the present invention preferably selects screen analysis desliming process
Method, or again through screen analysis desliming process after settling desliming.
It is tested about collector dosage
Collector dosage is the important factor in order for influencing floatation indicators, this experiment of the invention carries out flotation using medicament 1,
Dispersant is added and carries out flotation, the dispersant is the ratio mixing that sodium phosphate and sodium sulfonate are respectively 50% in mass ratio, is added
Standard, that is, 600-700g/t of by specification is measured by adjusting the dosage of collecting agent, six groups of different amounts experiments has been carried out, has only examined
Examine influence of the dosage for concentrate index of collecting agent.Experiment process is same as above, and test result is shown in Table 5.
5 collector dosage test result of table
As shown in Table 5:Increase with the dosage of collecting agent, the grade of concentrate is gradually reduced;Rate of recovery first increases and then decreases.It is comprehensive
From the aspect of the grade and the rate of recovery two of concentrate, collector dosage is selected to be advisable for 680g/t, can get grade 3.04% at this time,
The concentrate that the rate of recovery is 46.40%.
Inhibitor dosage is tested
When collector dosage is 680g/t, the grade for obtaining concentrate at this time is relatively low.To improve the grade of concentrate, medicament 1 is used
Inhibitor inhibits gangue mineral.It is only to investigate influence of the inhibitor dosage to concentrate index below.Experiment process is same as above, examination
It tests and the results are shown in Table 6.
6 inhibitor dosage test result of table
As shown in Table 6:After adding inhibitor, the yield of concentrate declines, but grade and the rate of recovery all increase, and improves well
The quality of concentrate product.As inhibitor dosage increases, concentrate grade increases, but the rate of recovery declines.Comprehensive concentrate product
Yield, grade and the rate of recovery consider, inhibitor dosage is selected to be advisable for 200g/t.The concentrate in table be lepidolite concentrate or
It is then lepidolite essence when being oxidation lithium concentrate, be tantalum-niobium concentrate when also or tantalum-niobium concentrate recycles tantalum niobium, and recycling lepidolite
Mine is oxidation lithium concentrate.
Conclusion:
Li in the magnetic antiquated sand of the tantalum niobium ore dressing plant tailings sample ore of the present invention2The content of O is 0.78%, tantalum niobium ore dressing plant tailings mine
Sample argillization is serious, and -400 mesh account for 50%;Through above-mentioned condition contrast test, finally caught in 600 mesh deslimings using medicament 1
Receipts agent dosage is 680g/t, and inhibitor dosage is 200g/t, and it is 3.75% that can to obtain yield, which be 11.13% grade, and the rate of recovery is
53.52% concentrate product.Dispersant is to be added in screening.
It can also be added to help in the collecting agent of the present invention and catch agent, described help catches agent as kerosene.It is collecting to help and catch agent addition
The 0.5-0.8Wt% of agent addition.It can be prepared into containing Li2The lepidolite powder or lepidolite of 3.8% or more O, 58% or more the rate of recovery
Concentrate powder.
The method of the present invention, through broken, screening, in order to improve extraction efficiency, material after screening is carried out with ball-milling device
Ball milling activates, and general ball milling activation number picks up hour.
Claims (8)
1. a kind of method for recycling tantalum niobium from magnetic antiquated sand, aoxidizing lithium concentrate, is with the magnetic antiquated sand after tantalum niobium lithium mine ore dressing
Raw material, including tantalum-niobium concentrate and oxidation lithium concentrate recycling, it is characterized in that the tantalum-niobium concentrate recycling be by magnetic antiquated sand through classification,
Concentration, ore grinding most handle to obtain tantalum-niobium concentrate except iron, flotation, direct waterfall chute through high-gradient magnetic separation afterwards;The ore grinding is control
Magnetic antiquated sand is handled through ore grinding to magnetic antiquated sand granularity≤0.1mm.
2. a kind of method for recycling tantalum niobium from magnetic antiquated sand, aoxidizing lithium concentrate according to claim 1, it is characterized in that will
Magnetic antiquated sand first carries out desliming process before entering flotation after ore grinding removes iron.
3. a kind of method for recycling tantalum niobium from magnetic antiquated sand, aoxidizing lithium concentrate according to claim 1, it is characterized in that institute
State concentration be will be after classification the concentrated processing of magnetic antiquated sand slurries be magnetic antiquated sand ore pulp, control the matter of magnetic antiquated sand ore pulp
It measures percent concentration and is not higher than 30Wt% not less than 25Wt%.
4. a kind of method for recycling tantalum niobium from magnetic antiquated sand, aoxidizing lithium concentrate according to claim 1, it is characterized in that institute
It states ore grinding and uses 1530 type ball mills, be provided in the ball mill apparatus every scalping and lost.
5. a kind of method for recycling tantalum niobium from magnetic antiquated sand, aoxidizing lithium concentrate according to claim 1 or 3, feature
It is that the concentration is concentrated using three-level thickening cone.
6. a kind of method for recycling tantalum niobium from magnetic antiquated sand, aoxidizing lithium concentrate according to claim 1, it is characterized in that institute
State flotation using one thick one it is single-minded sweep flow, control and neutral collecting agent and inhibitor be added in floatation process.
7. a kind of method for recycling tantalum niobium from magnetic antiquated sand, aoxidizing lithium concentrate according to claim 2, it is characterized in that institute
It is to use cyclone desliming process to state desliming process;The cyclone is 150 type cyclones.
8. a kind of method for recycling tantalum niobium from magnetic antiquated sand, aoxidizing lithium concentrate according to claim 6, it is characterized in that control
It is 630-680 g/t to make the neutral collecting agent addition, and inhibitor addition is 55-75g/t.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810353105.3A CN108393190A (en) | 2018-04-19 | 2018-04-19 | The method for recycling tantalum niobium from magnetic antiquated sand, aoxidizing lithium concentrate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810353105.3A CN108393190A (en) | 2018-04-19 | 2018-04-19 | The method for recycling tantalum niobium from magnetic antiquated sand, aoxidizing lithium concentrate |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108393190A true CN108393190A (en) | 2018-08-14 |
Family
ID=63100206
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810353105.3A Pending CN108393190A (en) | 2018-04-19 | 2018-04-19 | The method for recycling tantalum niobium from magnetic antiquated sand, aoxidizing lithium concentrate |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108393190A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112934469A (en) * | 2021-03-01 | 2021-06-11 | 江西矿鑫资源科技有限公司 | Method for separating and recovering heavy metal substances such as tantalum, niobium and the like from lithium ore pulp |
WO2022047533A1 (en) * | 2020-09-02 | 2022-03-10 | AGT-1 Pty Ltd | Beneficiation of pyrochlore |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6200377B1 (en) * | 1999-04-16 | 2001-03-13 | Thiele Kaolin Company | Process for beneficiation of mixtures of mineral particles |
CN101733191A (en) * | 2008-11-13 | 2010-06-16 | 常福松 | Oredressing method for tantalum-niobium ore |
CN102861662A (en) * | 2012-09-29 | 2013-01-09 | 广州有色金属研究院 | Ore dressing method of micro-fine particle tantalum-niobium ores |
CN104209179A (en) * | 2014-09-26 | 2014-12-17 | 湖北鑫鹰环保科技有限公司 | Production method for preferably selecting lepidolite from tantalum and niobium ores |
CN104941780A (en) * | 2015-07-02 | 2015-09-30 | 中国瑞林工程技术有限公司 | Mineral processing technology capable of effectively separating tantalum, tin and lepidomelane |
CN106378254A (en) * | 2016-12-09 | 2017-02-08 | 江西金辉再生资源股份有限公司 | Method for removing magnetic impurities from tantalum-niobium waste ores by utilizing combined magnetic separation |
-
2018
- 2018-04-19 CN CN201810353105.3A patent/CN108393190A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6200377B1 (en) * | 1999-04-16 | 2001-03-13 | Thiele Kaolin Company | Process for beneficiation of mixtures of mineral particles |
CN101733191A (en) * | 2008-11-13 | 2010-06-16 | 常福松 | Oredressing method for tantalum-niobium ore |
CN102861662A (en) * | 2012-09-29 | 2013-01-09 | 广州有色金属研究院 | Ore dressing method of micro-fine particle tantalum-niobium ores |
CN104209179A (en) * | 2014-09-26 | 2014-12-17 | 湖北鑫鹰环保科技有限公司 | Production method for preferably selecting lepidolite from tantalum and niobium ores |
CN104941780A (en) * | 2015-07-02 | 2015-09-30 | 中国瑞林工程技术有限公司 | Mineral processing technology capable of effectively separating tantalum, tin and lepidomelane |
CN106378254A (en) * | 2016-12-09 | 2017-02-08 | 江西金辉再生资源股份有限公司 | Method for removing magnetic impurities from tantalum-niobium waste ores by utilizing combined magnetic separation |
Non-Patent Citations (1)
Title |
---|
雷存友等: "钽铌尾矿资源综合利用", 《有色金属(选矿部分)》 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022047533A1 (en) * | 2020-09-02 | 2022-03-10 | AGT-1 Pty Ltd | Beneficiation of pyrochlore |
CN112934469A (en) * | 2021-03-01 | 2021-06-11 | 江西矿鑫资源科技有限公司 | Method for separating and recovering heavy metal substances such as tantalum, niobium and the like from lithium ore pulp |
CN112934469B (en) * | 2021-03-01 | 2023-02-07 | 江西矿鑫资源科技有限公司 | Method for separating and recovering heavy metal substances such as tantalum, niobium and the like from lithium ore pulp |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105251606B (en) | The refining technique of lepidolite in a kind of tantalum niobium concentrate barren rock | |
CN102886300B (en) | Ore separation method for recycling scandium from bayan obo tailings | |
CN108525843A (en) | Utilize the method for difficult mine solid waste recycling tantalum niobium, lepidolite and feldspar powder | |
CN101879479B (en) | Eclogitic rutile ore sorting method | |
CN103752401B (en) | Potash feldspar iron removal process | |
CN105057089B (en) | A kind of ore-dressing technique of rock type Primary ilmenite | |
CN108525858A (en) | The method of tantalum niobium ore dressing plant tailings recycling lepidolite concentrate | |
CN106391295B (en) | A kind of titanium separation method and device of vanadium titano-magnetite | |
CN105478232B (en) | A kind of beneficiation method from graphite mould navajoite enrichment vanadic anhydride | |
CA2822873A1 (en) | Comprehensive process for reclaiming metallic copper from high-grade furnace slag containing copper | |
CN107583764B (en) | Beneficiation method for recovering mica from copper ore tailings | |
CN102069033A (en) | Method for separating and extracting feldspar ore with complex impurity components | |
CN106733146B (en) | Method for recovering rare earth minerals from rare earth tailings with heavy fine iron mud content | |
CN102211055A (en) | Heavy magnetic suspension joint production method for recovering copper from copper smelting slag with high elemental copper content | |
CN106378254A (en) | Method for removing magnetic impurities from tantalum-niobium waste ores by utilizing combined magnetic separation | |
CN104624360B (en) | Combined reagent and method for sorting kyanite minerals under neutral condition | |
CN108380379A (en) | A kind of low-grade magnetic mirror iron ore efficient and environment-friendly type beneficiation method | |
CN104475340B (en) | A kind of method improving the black tungsten recovery rate in ore-dressing of fine fraction | |
CN109647616B (en) | Method for comprehensively recovering magnetite and copper minerals from copper slag flotation tailings | |
CN103230832B (en) | Beneficiation method for recovering fine fraction iron from strong magnetic separation gangues of ferric oxide ores | |
CN101927236B (en) | Lean hematite technology combining dressing-fine screening and shaking table gravity separation | |
CN105251594B (en) | The preparation method of potassium albite in powder containing lithium in a kind of tantalum niobium concentrate barren rock | |
CN107649278A (en) | A kind of method for separating of low-grade titanium-containing magnet ore deposit | |
CN108393190A (en) | The method for recycling tantalum niobium from magnetic antiquated sand, aoxidizing lithium concentrate | |
CN100430145C (en) | Method for magnetic separating of aluminum and iron in high iron bauxite |
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: 20180814 |
|
RJ01 | Rejection of invention patent application after publication |