CN108339658A - The process of iron concentrate is recycled in a kind of k-rich slate - Google Patents
The process of iron concentrate is recycled in a kind of k-rich slate Download PDFInfo
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- CN108339658A CN108339658A CN201810105817.3A CN201810105817A CN108339658A CN 108339658 A CN108339658 A CN 108339658A CN 201810105817 A CN201810105817 A CN 201810105817A CN 108339658 A CN108339658 A CN 108339658A
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- iron concentrate
- oxalic acid
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- 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
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- 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
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/004—Organic compounds
- B03D1/008—Organic compounds containing oxygen
-
- 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
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/004—Organic compounds
- B03D1/012—Organic compounds containing sulfur
-
- 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
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/018—Mixtures of inorganic and organic compounds
-
- 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
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/02—Collectors
-
- 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
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/04—Frothers
-
- 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
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/06—Depressants
-
- 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
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2203/00—Specified materials treated by the flotation agents; specified applications
- B03D2203/02—Ores
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses the processes that iron concentrate is recycled in a kind of k-rich slate, including broken, ore grinding, magnetic separation by k-rich slate, and activator, collecting agent and foaming agent is then added and carries out roughing and selected, obtains iron concentrate；Wherein, the magnetic field intensity of magnetic separation is 159 199kA/m, and activator is the mixture of oxalic acid and copper sulphate, and collecting agent is the mixture of Isobutylxanthic acid and mixed amine, and foaming agent is terpenic oil.The process that iron concentrate is recycled in k-rich slate of the present invention, optimizes floating agent combination matching, is effectively improved the separative efficiency containing iron concentrate, obtains the iron concentrate of high quality, cost-effective, improves income.
Description
Technical field
The present invention relates to mineral engineering field more particularly to a kind of processes of recycling iron concentrate.
Background technology
Baiyuneboite master, Dong Kuang contain abundant k-rich slate resource, and rich potassium plate has been verified in main, Dong Kuang Shang Pankai circle
Rock reserves are 3.4 hundred million tons, belong to super-huge potassium mine mineral deposit.Secondly include that angle is dodged in k-rich slate mine mainly based on potassium feldspar
Stone, biotite, achmatite achmite, magnetic iron ore, bloodstone etc., in addition also a small amount of quartz, pyrite etc..Wherein magnetic iron ore is normal
It is in irregular sheet symbiosis with bloodstone, local content is up to 10%.General potassium ore potassium oxide average grade is 10.58%,
Sulfur-bearing is about 2.4%, if directly roasted the ore, since potassium oxide grade is low, sulfur-bearing is higher, it will roasting
The more quantity of slag and adverse effect are generated in journey, therefore before using ore, should carry out ore dressing to the ore, reject magnetic Huang iron
The gangue minerals such as mine, pyrite, achmatite achmite, hornblend, biotite are selected qualified potassium feldspar concentrate and recycling sulphur, are reduced
Subsequent affect and raising income.
In recent years, domestic more R＆D institutions had carried out numerous studies to the comprehensive utilizating research of k-rich slate ore,
And interim achievement is achieved, but studying raw material is directly roasted, is leached etc. using k-rich slate as raw material
Research work.Ore dressing is not carried out to k-rich slate and how to select qualified potassium feldspar studying, causes subsequently grinding
The more quantity of slag is produced in studying carefully, and since the presence of sulphur also produces detrimental effect to subsequent jobs such as Roasting And Leachings.
Magnetic iron ore is oxidizable, argillization, belongs to the more difficult mineral sorted.The ore dressing carried out at present to removing magnetic iron ore is ground
Study carefully that comparison is more, but also rarely found for the ore dressing for recycling potassium feldspar concentrate and iron concentrate from k-rich slate.Recycling potassium is long at present
The ore-dressing technique of stone concentrate be mainly to remove iron, the ore-dressing technique based on biotite, recycling magnetic iron ore generally uses flotation
Method is studied depressing agent, activator more.Therefore it while carrying out selecting qualified potassium feldspar concentrate, selects excellent
Equal product iron concentrate, to reach containing sulfur minerals comprehensive reutilization further, turning waste into wealth, there are demands.
Therefore, those skilled in the art is dedicated to developing the process that iron concentrate is recycled in a kind of k-rich slate, solution
The defects of certainly above-mentioned ore of k-rich slate in the prior art sulfur-bearing is high, and the follow-up quantity of slag that roasts is high, and iron concentrate loses.
Invention content
In view of the drawbacks described above of the prior art, the technical problem to be solved by the present invention is to k-rich slate mines in the prior art
For stone when recycling iron concentrate, sulfur content is low, roasts the quantity of slag, iron concentrate loss.
To achieve the above object, the present invention provides the processes that iron concentrate is recycled in a kind of k-rich slate, including will
K-rich slate is broken, ore grinding, magnetic separation, activator, collecting agent and foaming agent is then added and carries out roughing and selected, obtains sulphur essence
Mine；Wherein, the magnetic field intensity of magnetic separation is 159-199kA/m, and activator is the mixture of oxalic acid and copper sulphate, and collecting agent is isobutyl
The mixture of base xanthate and mixed amine, foaming agent are terpenic oil.
Further, in the mixture of the oxalic acid and copper sulphate, the weight (gram) of oxalic acid and copper sulphate is than being 3:1-5:
1；
Further, in the mixture of the Isobutylxanthic acid and mixed amine, the weight of Isobutylxanthic acid and mixed amine
(gram) is than being 5:1-7:1.
Further, the process that potassium feldspar is recycled in the k-rich slate, specifically includes following steps：
Step 1, k-rich slate are broken；
The k-rich slate being crushed in step 1 is carried out ore grinding by step 2；
Step 3, the ore milling product for obtaining step 2 carry out magnetic separation, obtain magnetic concentrate and magnetic tailing；
Activator is added and collecting agent carries out flotation and sorts in magnetic tailing that step 3 obtains by step 4, obtains flotation bubble
Foam and potassium feldspar concentrate.
Step 5 mixes the magnetic concentrate that step 3 obtains and the flotation froth that step 4 obtains, and activator, collecting is added
Agent, foaming agent carry out roughing and selected obtain iron concentrate.
Further, in the step 1, k-rich slate be broken for coarse crushing, in three sections broken, fine crushing broken, crushed product grains
Degree is 0-3mm；
Further, in the step 2, in ore milling product, granularity is that the product of 0-74um accounts for the 70%-85% of total amount；
Further, in the step 3, the magnetic field intensity of magnetic separation is 159-199kA/m；
Further, in the step 4, activator is the mixture of oxalic acid and copper sulphate；Collecting agent is Isobutylxanthic acid
With the mixture of mixed amine；
Further, in the step 4, when flotation sorts, activator level 1.0-1.6kg/t；Collector dosage is
0.05-0.09kg/t；
Further, in the step 4, the pH value that flotation sorts is 5.5-6.0；
Further, in the step 4, the temperature that flotation sorts is 15-30 degree；
Further, in the step 4, activator is the mixture of oxalic acid and copper sulphate, wherein oxalic acid and copper sulphate
Weight (gram) is than being 2:1；
Further, in the step 4, collecting agent is the mixture of Isobutylxanthic acid and mixed amine, wherein isobutyl group is yellow
The weight (gram) of medicine and mixed amine is than being 4:1.
Further, in the step 5, activator is the mixture of oxalic acid and copper sulphate, wherein oxalic acid and copper sulphate
Weight (gram) is than being 3:1-5:1；
Further, in the step 5, collecting agent is the mixture of Isobutylxanthic acid and amine alcohol xanthate, wherein isobutyl group
The weight (gram) of xanthate and amine alcohol xanthate is than being 5:1-7:1；
Further, in the step 5, foaming agent is terpenic oil；
Further, in the step 5, when roughing, activator level 1.0-1.5kg/t, collector dosage 0.05-
0.08kg/t, frother dosages 0.03-0.05kg/t；Roughing pH value is 5.0-6.0；
Further, in the step 5, selected includes triple cleaning, wherein selected collector dosage is for the first time
0.03-0.05kg/t, frother dosages 0.01-0.02kg/t；Second selected collector dosage be 0.01-0.02kg/t,
Frother dosages are 0.01-0.02kg/t；Selected collector dosage is 0.01-0.02kg/t for the third time, frother dosages are
0.01-0.02kg/t。
In the better embodiment of the present invention, in the step 3, the magnetic field intensity of magnetic separation is 179kA/m；；
In the better embodiment of the present invention, in the step 4, when flotation sorts, activator level 1.2kg/t；
In another better embodiment of the present invention, in the step 4, when flotation sorts, activator level is
1.0kg/t；
In another better embodiment of the present invention, in the step 4, when flotation sorts, activator level is
1.6kg/t；
In the better embodiment of the present invention, in the step 4, when flotation sorts, collector dosage 0.07kg/t；
In another better embodiment of the present invention, in the step 4, when flotation sorts, collector dosage is
0.05kg/t；
In another better embodiment of the present invention, in the step 4, when flotation sorts, collector dosage is
0.09kg/t；
In the better embodiment of the present invention, in the step 4, the pH value that flotation sorts is 5.5；
In another better embodiment of the present invention, in the step 4, the pH value that flotation sorts is 6.0；
In the better embodiment of the present invention, in the step 5, activator is the mixture of oxalic acid and copper sulphate,
In, the weight (gram) of oxalic acid and copper sulphate is than being 4:1；
In another better embodiment of the present invention, in the step 5, activator is the mixing of oxalic acid and copper sulphate
Object, wherein the weight (gram) of oxalic acid and copper sulphate is than being 3:1；
In another better embodiment of the present invention, in the step 5, activator is the mixing of oxalic acid and copper sulphate
Object, wherein the weight (gram) of oxalic acid and copper sulphate is than being 5:1；
In the better embodiment of the present invention, in the step 5, collecting agent is the mixed of Isobutylxanthic acid and amine alcohol xanthate
Close object, wherein the weight (gram) of Isobutylxanthic acid and amine alcohol xanthate is than being 6:1；
In another better embodiment of the present invention, in the step 5, collecting agent is Isobutylxanthic acid and amine alcohol xanthate
Mixture, wherein the weight (gram) of Isobutylxanthic acid and amine alcohol xanthate is than being 5:1；
In another better embodiment of the present invention, in the step 5, collecting agent is Isobutylxanthic acid and amine alcohol xanthate
Mixture, wherein the weight (gram) of Isobutylxanthic acid and amine alcohol xanthate is than being 7:1；
In the better embodiment of the present invention, in the step 5, when roughing, activator level 1.2kg/t；
In the better embodiment of the present invention, in the step 5, collector dosage 0.07kg/t；
In the better embodiment of the present invention, in the step 5, frother dosages 0.04kg/t；
In the better embodiment of the present invention, in the step 5, roughing pH value is 5.2；
In the better embodiment of the present invention, in the step 5, selected includes triple cleaning, wherein selected for the first time
Collector dosage is 0.035kg/t, frother dosages 0.015kg/t；Second of selected collector dosage is 0.02kg/t, rises
Infusion dosage is 0.01kg/t；For the third time selected collector dosage be 0.01kg/t, frother dosages 0.01kg/t.
Using above scheme, the process of iron concentrate is recycled in k-rich slate disclosed by the invention, and there is following technology
Effect：
(1) present invention process method uses the floating agent of reasonable easy ore-dressing technique and collecting performance and selectivity efficient
Combination, the recycling of iron concentrate has effectively been carried out from k-rich slate, has reduced impurity present in potassium feldspar and harmful element
Sulphur improves the content of potassium oxide and reduces sulfur content therein, obtains qualified potassium feldspar concentrate, reduces subsequent job
The adverse effect of the quantity of slag and sulphur, and harmful containing sulfur minerals are turned waste into wealth, it obtains high-class product iron concentrate and selects, improve
Utilization rate and realize high production；
(2) present invention process method is while the potassium feldspar concentrate for obtaining high quality, with magnetic concentrate and flotation froth
Raw material after mixing as flotation containing sulfur minerals, will be therein by flotation operation using simple, efficient floating agent combination
Content mineral are selected, and excellent iron concentrate is obtained.
In conclusion recycling the process of iron concentrate in k-rich slate of the present invention, optimizes floating agent combination matching, have
The separative efficiency containing iron concentrate is improved to effect, obtains the iron concentrate of high quality, it is cost-effective, improve income.
The technique effect of the design of the present invention, concrete structure and generation is described further below with reference to attached drawing, with
It is fully understood from the purpose of the present invention, feature and effect.
Description of the drawings
Fig. 1 is the process flow chart of the embodiment of the present invention；
Specific implementation mode
Multiple preferred embodiments that the present invention is introduced below with reference to Figure of description, keep its technology contents more clear and just
In understanding.The present invention can be emerged from by many various forms of embodiments, and protection scope of the present invention not only limits
The embodiment that Yu Wenzhong is mentioned.
The process of iron concentrate is recycled in embodiment, k-rich slate
The processing of step 1, raw material
By k-rich slate carry out coarse crushing, in three sections broken, fine crushing it is broken, crushed product size is -3mm；
Step 2, ore grinding
Above-mentioned crushed product is subjected to ore grinding, ore milling product granularity is that -0.074mm accounts for 81.4%；
Above-mentioned ore milling product is carried out a stages of magnetic separation by step 3 under conditions of magnetic field intensity 179.1kA/m, obtains magnetic separation
Concentrate and magnetic tailing；
After testing, sulfur-bearing is 10.41% in magnetic concentrate, the rate of recovery 44.50%；Potassium oxide content in magnetic tailing
10.70%, the potassium oxide rate of recovery 95.33% contains sulfur content 1.41%；
Step 4, the magnetic tailing for obtaining above-mentioned steps are as the raw material of sulphide ore, biotite and the tremolite, in room temperature
Under the conditions of will select magnetic tailing carry out flotation sort, with mass ratio 2:1 oxalic acid:Copper sulphate is the activator of containing sulfur minerals, matter
Measure ratio 4:1 Isobutylxanthic acid:Collecting agent and foaming agent of the mixed amine as mineral such as sulphide ore, biotite and the tremolites, it is first
Activator 1.2kg/t is first added and stirs 5min, pH value is adjusted to 5.5, collecting agent and foaming agent 0.07kg/t is then added, stirs
Roughing is carried out after mixing 2min, roughing time 6min obtains potassium oxide content 12.15%, the potassium feldspar essence containing sulfur content 0.18%
The flotation froth of mine (the potassium oxide rate of recovery 82.02%) and sulfur-bearing 5.28%；
Raw material after step 5, the magnetic concentrate that above-mentioned steps are obtained and flotation froth mixing as flotation containing sulfur minerals,
With mass ratio 4:1 oxalic acid:Copper sulphate is activator, the mass ratio 6 of containing sulfur minerals:1 Isobutylxanthic acid:Amine alcohol xanthate conduct
Foaming agent of the collecting agent, terpenic oil of sulfide flotation as containing sulfur minerals is firstly added activator under natural slurry temperature
1.2kg/t stirs 5min, and it is 5.2 to make pH value, and collecting agent 0.07kg/t is then added, and foaming agent is added after stirring 2min
0.04kg/t carries out roughing after stirring 1min, obtains sulphur rougher concentration and rougher tailings；In natural slurry pH, natural ore pulp
At a temperature of, by sulphur roughing essence after addition foaming agent 0.015kg/t after addition collecting agent 0.35kg/t, stirring 2min, stirring 1min
Mine carries out primary cleaning, obtains iron concentrate 1 and chats 1；Under natural slurry pH, natural slurry temperature, collecting agent is added
Iron concentrate 1 is subjected to recleaning after addition foaming agent 0.01kg/t after 0.02kg/t, stirring 2min, stirring 1min, obtains sulphur
Concentrate 2 and chats 2；Under natural slurry pH, natural slurry temperature, collecting agent 0.01kg/t is added, is added after stirring 2min
Iron concentrate 2 is subjected to triple cleaning after foaming agent 0.01kg/t, stirring 1min, obtains sulfur content 39.00%, the rate of recovery
47.03% iron concentrate and chats 3；
Chats 1, chats 2 and the chats 3 generated in step 6, sulfide flotation operation is back to sulphur one roughing work successively
Industry, primary cleaning operation and secondary concentrate operation, rougher tailings is as true tailings；
It, can be from containing potassium oxide 10.12%, sulphur 2.30% using ore grinding-magnetic separation-bulk flotation-flotation sulphur sorting process
In k-rich slate, obtain potassium oxide content 12.15%, sulfur content 0.18% potassium feldspar concentrate (the potassium oxide rate of recovery
82.02%) iron concentrate (sulfur recovery rate 47.03%) for being and containing sulfur content 39.00%.Obtained iron concentrate sulfur-bearing rate and recycling
Rate is high, has effectively recycled middle iron concentrate in k-rich slate, reduces sulphur in the content of potassium feldspar, is beneficial to environment protection.
Other technologies scheme of the present invention also has similar using effect.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that the ordinary skill of this field is without wound
The property made labour, which according to the present invention can conceive, makes many modifications and variations.Therefore, all technician in the art
Pass through the available technology of logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Scheme, all should be in the protection domain being defined in the patent claims.
Claims (10)
1. recycling the process of iron concentrate in a kind of k-rich slate, which is characterized in that including the broken, ore grinding by k-rich slate,
Magnetic separation, is then added activator, collecting agent and foaming agent carry out roughing and selected, obtains iron concentrate；Wherein, the magnetic field of magnetic separation is strong
Degree is 159-199kA/m, and activator is the mixture of oxalic acid and copper sulphate, and collecting agent is the mixing of Isobutylxanthic acid and mixed amine
Object, foaming agent are terpenic oil.
2. process as described in claim 1, which is characterized in that in the mixture of the oxalic acid and copper sulphate, oxalic acid and sulphur
The weight ratio of sour copper is 3:1-5:1.
3. process as described in claim 1, which is characterized in that different in the mixture of the Isobutylxanthic acid and mixed amine
The weight ratio of butyl xanthate and mixed amine is 5:1-7:1.
4. process as described in claim 1, which is characterized in that specifically include following steps：
The k-rich slate being crushed in step 1 is carried out ore grinding by step 2；
Step 3, the ore milling product for obtaining step 2 carry out magnetic separation, obtain magnetic concentrate and magnetic tailing；
Activator is added and collecting agent carries out flotation and sorts in magnetic tailing that step 3 obtains by step 4, obtain flotation froth and
Potassium feldspar concentrate.
Step 5 mixes the magnetic concentrate that step 3 obtains and the flotation froth that step 4 obtains, and activator is added, collecting agent, rises
Infusion carries out roughing and selected obtains iron concentrate.
5. process as claimed in claim 4, which is characterized in that in the step 1, k-rich slate be broken for coarse crushing, in it is broken,
Three sections fine crushing broken, crushed product size 0-3mm.
6. process as claimed in claim 4, which is characterized in that in the step 2, in ore milling product, granularity 0-74um
Product account for the 70%-85% of total amount.
7. process as claimed in claim 4, which is characterized in that in the step 4,
When flotation sorts, activator level 1.0-1.6kg/t；Collector dosage is 0.05-0.09kg/t；
The pH value that flotation sorts is 5.5-6.0；
The temperature that flotation sorts is 15-30 degree；
Activator is the mixture of oxalic acid and copper sulphate, wherein the weight ratio of oxalic acid and copper sulphate is 2:1；
Collecting agent is the mixture of Isobutylxanthic acid and mixed amine, wherein the weight ratio of Isobutylxanthic acid and mixed amine is 4:1.
8. process as claimed in claim 4, which is characterized in that in the step 5,
Activator is the mixture of oxalic acid and copper sulphate, wherein the weight ratio of oxalic acid and copper sulphate is 4:1；
Collecting agent is the mixture of Isobutylxanthic acid and amine alcohol xanthate, wherein the weight ratio of Isobutylxanthic acid and amine alcohol xanthate is
6:1；
Foaming agent is terpenic oil.
9. process as claimed in claim 4, which is characterized in that in the step 5, activator level is 1.0- when roughing
1.5kg/t, collector dosage 0.05-0.08kg/t, frother dosages 0.03-0.05kg/t；Roughing pH value is 5.0-
6.0。
10. process as claimed in claim 9, which is characterized in that in the step 5,
Selected includes triple cleaning, wherein selected collector dosage is 0.03-0.05kg/t for the first time, frother dosages are
0.01-0.02kg/t；Second selected collector dosage is 0.01-0.02kg/t, frother dosages 0.01-0.02kg/t；
For the third time selected collector dosage be 0.01-0.02kg/t, frother dosages 0.01-0.02kg/t.
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| CN201810105817.3A CN108339658B (en) | 2018-02-02 | 2018-02-02 | Process method for recovering sulfur concentrate from potassium-rich slate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109663653A (en) * | 2018-11-16 | 2019-04-23 | 西北矿冶研究院 | Process method for recycling copper by grading and regrinding copper-selecting tailings |
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| 马玺 等: "白云鄂博富钾板岩可选性试验研究", 《矿产综合利用》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109663653A (en) * | 2018-11-16 | 2019-04-23 | 西北矿冶研究院 | Process method for recycling copper by grading and regrinding copper-selecting tailings |
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