CN106076648A - The beneficiation method that under a kind of ul-trasonic irradiation, Flotation of copper and sulphur separates - Google Patents
The beneficiation method that under a kind of ul-trasonic irradiation, Flotation of copper and sulphur separates Download PDFInfo
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- CN106076648A CN106076648A CN201610490431.XA CN201610490431A CN106076648A CN 106076648 A CN106076648 A CN 106076648A CN 201610490431 A CN201610490431 A CN 201610490431A CN 106076648 A CN106076648 A CN 106076648A
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- copper
- trasonic irradiation
- flotation
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- ore
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- 238000000034 method Methods 0.000 title claims abstract description 43
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 239000010949 copper Substances 0.000 title claims abstract description 37
- 238000005188 flotation Methods 0.000 title claims abstract description 37
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 32
- 239000005864 Sulphur Substances 0.000 title claims abstract description 14
- 239000012141 concentrate Substances 0.000 claims abstract description 25
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000000227 grinding Methods 0.000 claims abstract description 17
- BWFPGXWASODCHM-UHFFFAOYSA-N copper monosulfide Chemical compound [Cu]=S BWFPGXWASODCHM-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052742 iron Inorganic materials 0.000 claims abstract description 12
- 238000007670 refining Methods 0.000 claims abstract description 9
- 238000002604 ultrasonography Methods 0.000 claims abstract description 9
- 239000003112 inhibitor Substances 0.000 claims description 13
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- TUZCOAQWCRRVIP-UHFFFAOYSA-N butoxymethanedithioic acid Chemical compound CCCCOC(S)=S TUZCOAQWCRRVIP-UHFFFAOYSA-N 0.000 claims description 5
- HQABUPZFAYXKJW-UHFFFAOYSA-O butylazanium Chemical compound CCCC[NH3+] HQABUPZFAYXKJW-UHFFFAOYSA-O 0.000 claims description 5
- 239000004088 foaming agent Substances 0.000 claims description 5
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 9
- 230000004913 activation Effects 0.000 abstract description 3
- 230000033228 biological regulation Effects 0.000 abstract description 3
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 abstract 1
- 229910052683 pyrite Inorganic materials 0.000 abstract 1
- 239000011028 pyrite Substances 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 230000001629 suppression Effects 0.000 abstract 1
- 239000011593 sulfur Substances 0.000 description 24
- 229910052717 sulfur Inorganic materials 0.000 description 24
- 210000004027 cell Anatomy 0.000 description 9
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 description 7
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 5
- 235000011941 Tilia x europaea Nutrition 0.000 description 5
- 239000004571 lime Substances 0.000 description 5
- 239000011707 mineral Substances 0.000 description 5
- 238000007667 floating Methods 0.000 description 4
- 210000005056 cell body Anatomy 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 229910020489 SiO3 Inorganic materials 0.000 description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 2
- 239000000292 calcium oxide Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000006071 cream Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 235000007926 Craterellus fallax Nutrition 0.000 description 1
- 240000007175 Datura inoxia Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 229910001779 copper mineral Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- ZOOODBUHSVUZEM-UHFFFAOYSA-N ethoxymethanedithioic acid Chemical compound CCOC(S)=S ZOOODBUHSVUZEM-UHFFFAOYSA-N 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005987 sulfurization reaction Methods 0.000 description 1
- 230000031068 symbiosis, encompassing mutualism through parasitism Effects 0.000 description 1
- 238000009210 therapy by ultrasound Methods 0.000 description 1
- 238000002525 ultrasonication Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000012991 xanthate Substances 0.000 description 1
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
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
The present invention relates to the beneficiation method that under a kind of ul-trasonic irradiation, Flotation of copper and sulphur separates, belong to technical field of beneficiation.The beneficiation method that under this ul-trasonic irradiation, Flotation of copper and sulphur separates, carry out the copper sulfur ore deposit after ore grinding roughly selecting, selected and obtain copper concentrate and iron concentrate after scanning, roughly selecting, selected and add ul-trasonic irradiation during scanning, in rougher process, the ul-trasonic irradiation time is 8min ~ 15min, frequency 20kHz ~ 50kHz, power 0 ~ 300W；In refining process, the ul-trasonic irradiation time is 5min ~ 10min, frequency 20KHz ~ 40kHz, power 0 ~ 300W；During scanning, the ul-trasonic irradiation time is 4min ~ 8min, frequency 20kHz ~ 50kHz, power 0 ~ 200W.By frequency and the time of process of regulation ultrasound wave, reach the suppression to pyrite flotation or activation effect, use the method under conditions of not using or using Calx on a small quantity, it is possible to realize the FLOTATION SEPARATION of copper sulfur, obtain qualified copper, iron concentrate.
Description
Technical field
The present invention relates to the beneficiation method that under a kind of ul-trasonic irradiation, Flotation of copper and sulphur separates, belong to technical field of beneficiation.
Background technology
Copper mineral is at china natural resources relatively horn of plenty, especially more in the distribution of the ground such as Jiangxi, Yunnan, and major part is with sulfuration
The deposit type of copper exists, deposit type commonly copper sulfur symbiosis, and in this Ore, sulfur content is the highest.Copper and sulfur
Floating effect is the most close, and the conventional sulfur that presses down floats the diffeential floatation of copper, copper sulfur bulk flotation or the most preferential mixed in the industrial production
Close the techniques such as flotation.
In production, shallow crust structures sorts main using Calx as the inhibitor of sulfur, and the past contains as collecting agent process with xanthate
The Ore that sulfur content is many needs substantial amounts of Calx, and Ore less for sulfur content, slurry pH to be made reaches 10 ~ 12.Calx one
As be required for being prepared as lime cream and can use, for the copper sulfur ore deposit that sulfur content is higher, substantial amounts of use Calx was adding
Cheng Zhonghui forms fouling, causes line clogging etc..Fluctuation obvious difference when adding the amount of lime cream so that the effect of shallow crust structures
The best.Ore less for sulfur content, it is desirable to the basicity in ore pulp is higher, affects the recovery of rare precious metal, the water in mine tailing
The highest eliminating being unfavorable for waste water of basicity, needs further to reprocess waste water.The most also some are had to press down at shallow crust structures
Preparation replaces the report of Calx, such as: novel organic inhibitor tricarboxymethyl-dithiocarbonic acids sodium, CTP, oxidant etc., but
There is shallow crust structures index unstable, be industrially difficult to application.
Summary of the invention
The problem existed for above-mentioned prior art and deficiency, the present invention provides Flotation of copper and sulphur under a kind of ul-trasonic irradiation to divide
From beneficiation method.The present invention is directed to shallow crust structures commonly use Calx and there is more deficiency as inhibitor, pass through different frequency
With the flotation that the Ultrasonic Radiation of intensity regulates troilite, reach the purpose of valuable mineral in Recovering Copper sulfur mineral.
Use the method can obtain the higher copper concentrate of grade and iron concentrate simultaneously.The present invention is achieved through the following technical solutions.
The beneficiation method that under a kind of ul-trasonic irradiation, Flotation of copper and sulphur separates, carries out the copper sulfur ore deposit after ore grinding roughly selecting, selected
Copper concentrate and iron concentrate is respectively obtained, roughly selecting, selected and all add ul-trasonic irradiation, rougher process during scanning with scanning
The middle ul-trasonic irradiation time is 8min ~ 15min, frequency 20kHz ~ 50kHz, power 0 ~ 300W；Ul-trasonic irradiation in refining process
Time is 5min ~ 10min, frequency 20KHz ~ 40kHz, power 0 ~ 300W；During scanning the ul-trasonic irradiation time be 4min ~
8min, frequency 20kHz ~ 50kHz, power 0 ~ 200W.
Copper sulfur ore particle degree after described ore grinding accounts for 88% ~ 90% for-0.074mm.
Described rougher process is: being sized mixing in the copper sulfur ore deposit after ore grinding to ore pulp mass percent concentration is 30% ~ 35%, adds
Inhibitor Na2SiO3500g/t ~ 2000g/t, collecting agent butyl xanthate 100g/t ~ 400g/t and butyl ammonium aerofloat 100g/t ~ 300g/
T, foaming agent 2# oil 20g/t ~ 40g/t.
Described roughly select, selected and scan and all carry out in flotation cell, be respectively provided with ultrasound wave send out with sidepiece bottom flotation cell
Raw device.
As in figure 2 it is shown, this has the ore-dressing plant of ul-trasonic irradiation: insert actuating device 1, flotation in the middle of flotation cell body 2
Being respectively provided with supersonic generator 3 with sidepiece bottom cell body 2, supersonic generator 3 connects ultrasonic wave controller by power line
9, ultrasonic wave controller 9 is provided with blower fan 5, power supply 6, ultrasound wave regulation power 7 and switch 8.
The principle of the present invention is:
Can produce highly concentrated in the time with the ultrasonic Treatment 8 ~ 15min of selected use certain frequency (20 ~ 55kHz) of roughly selecting
The OH free radical of degree and hydrogen peroxide, produce Oxidation to troilite, suppress its flotation.
。
Frequency and the action time of ultrasound wave is controlled so that the ultrasound wave effect to troilite during scanning floating sulfur
Predominantly surface clean effect, and the effect aoxidized is less, thus improve the flotation recovery rate of troilite.
The useful achievement of the present invention:
The present invention is suitable in the flotation technology of shallow crust structures, middle utilizes ultrasound wave to make the oxidation of troilite roughly selecting with selected
With, substantially reduce the consumption of inhibitor Calx, improve shallow crust structures efficiency.Simultaneously ultrasonic to selecting sulfur to have in the scanning of troilite
There is activation invigoration effect, improve the response rate of sulfur.
Accompanying drawing explanation
Fig. 1 is flotation flowsheet figure of the present invention；
Fig. 2 is flotation cell device schematic diagram of the present invention.
In figure: 1-actuating device, 2-flotation cell body, 3-supersonic generator, 4-power line, 5-blower fan, 6-power supply, 7-surpasses
Sound wave regulation power, 8-switchs, 9-ultrasonic wave controller.
Detailed description of the invention
Below in conjunction with the accompanying drawings and detailed description of the invention, the invention will be further described.
Embodiment 1
As it is shown in figure 1, the beneficiation method that under this ul-trasonic irradiation, Flotation of copper and sulphur separates, by somewhere, the Yunnan low-grade copper after ore grinding
Sulfur ore deposit (Cu content is 0.5wt%, and sulfur content is 3.88wt%, and ore grinding to-0.074mm accounts for the fineness of 88%) carries out roughly selecting, selected and
Copper concentrate and iron concentrate is obtained, roughly selecting, selected and add ul-trasonic irradiation during scanning after scanning.In rougher process, first
First is sized mixing in the copper sulfur ore deposit after ore grinding be 30% solid concentration, be separately added into inhibitor Na2SiO3 800g/t, collecting agent butyl
Xanthate 100g/t and butyl ammonium aerofloat 100g/t, foaming agent 2#Oil 20g/t, then carries out one roughing.Roughly select stage ultrasound to make
Being 8min with the time, frequency 50kHz, ultrasonic power is 200W, and the time of roughly selecting is 8min；In refining process during ul-trasonic irradiation
Between be 5min, the selected number of times of frequency 20KHz(is twice, and twice refining process all adds ul-trasonic irradiation), ultrasonic power
For 150W, the selected time is 5min；During scanning, the ul-trasonic irradiation time is 4min, frequency 40kHz, and ultrasonic power is
100W, the time scanned is 4min.Above-mentioned roughly select, selected and scan and all carry out in flotation cell, bottom flotation cell and the part of side
Not equipped with supersonic generator.
The grade of the Copper in Concentrate that above-mentioned technological process obtains is 14.5%, and the response rate is 77.73%, scans sulfur in product
Grade be 15%, the response rate is 78.1%, and index is ideal.
Contrast test 1
The beneficiation method of prior art shallow crust structures: (Cu content is 0.5wt%, and sulfur content is by low-grade copper sulfur ore deposit, somewhere, Yunnan
3.88wt%) add calcium oxide (2000g/t) to carry out ore grinding and account for the fineness of 88% to-0.074mm, then carry out roughly selecting, selected and
Copper concentrate and iron concentrate is obtained after scanning, except roughly selecting, selected and be added without ul-trasonic irradiation during scanning, other parameters and place
Reason step is same as in Example 1, and the grade of the Copper in Concentrate that final cleaning obtains is 13.6%, and the response rate is 76.85%；Scan
In product, the grade of sulfur is 12%, the response rate 62.48%.
The result of comparative example 1 and test 1 understands, and uses ultrasonication, does not use calcium oxide inhibitor, remain to obtain
It is better than the mineral processing index of tradition method for floating.
Embodiment 2
As it is shown in figure 1, the beneficiation method that under this ul-trasonic irradiation, Flotation of copper and sulphur separates, by the Tong Liu ore deposit, somewhere, Anhui after ore grinding
(Cu content is 1.44wt%, and sulfur content is 48.73wt%, and ore grinding to-0.074mm accounts for the fineness of 89%, adds sulfur before preliminary election
Inhibitor Calx, consumption 1500g/t) carry out roughly selecting, selected and obtain copper concentrate and iron concentrate after scanning, roughly selecting, selected and
Ul-trasonic irradiation is added during scanning.In rougher process: is first sized mixing to ore pulp mass percent in the copper sulfur ore deposit after ore grinding
Concentration is 32%, adds the inhibitor Na of gangue mineral2SiO3 500g/t, collecting agent butyl xanthate 400g/t and butyl ammonium aerofloat
300g/t, foaming agent 2#Oil 40g/t, in rougher process, the ul-trasonic irradiation time is 10min, frequency 40kHz, and ultrasonic power is
240W, the time of roughly selecting is 10min；In refining process, the ul-trasonic irradiation time is 10min, and the selected number of times of frequency 30KHz(is two
Secondary, twice refining process all adds ul-trasonic irradiation), the selected time is 10min, and ultrasonic power is 180W；During scanning
The ul-trasonic irradiation time is 8min, frequency 50kHz, and ultrasonic power is 150W, and the time scanned is 8min.Above-mentioned roughly select, essence
Select and scan and all carry out in flotation cell, bottom flotation cell, be respectively provided with supersonic generator with sidepiece.
The grade of the above-mentioned selected Copper in Concentrate obtained is 17.23%, and the response rate is 68.44%；Scan in rear iron concentrate
The grade of sulfur is 52%, and the response rate is 90.4%.
Contrast test 2
The beneficiation method of prior art shallow crust structures: (Cu content is 1.44wt%, and sulfur content is by Tong Liu ore deposit, somewhere, Anhui
48.73%wt%, ore grinding to-0.074mm accounts for the fineness of 89%, adds the inhibitor lime consumption 3000g/t of sulfur before preliminary election), so
After carry out roughly selecting, selected and obtain copper concentrate and iron concentrate after scanning, except roughly selecting, selected and be added without ultrasound wave during scanning
Effect, other parameters and process step are same as in Example 2, and final cleaning can obtain the grade of Copper in Concentrate and be after terminating
16.74%, the response rate is 66.49%；In iron concentrate after scanning, the grade of sulfur is 49.93%, and the response rate is 86.8%.
By embodiment 2 and the contrast of test 2, in the case of lime consumption halves, ultrasonic to shallow crust structures with
Troilite activation effect is superior to tradition method for floating.
Embodiment 3
As it is shown in figure 1, the beneficiation method that under this ul-trasonic irradiation, Flotation of copper and sulphur separates, by the Tong Liu ore deposit, somewhere, Anhui after ore grinding
(Cu content is 1.44wt%, and sulfur content is 48.73%wt%, and ore grinding to-0.074mm accounts for the fineness of 90%, adds sulfur before preliminary election
Inhibitor lime consumption 1500g/t) carry out roughly selecting, selected and obtain copper concentrate and iron concentrate after scanning, roughly selecting, selected and sweep
Ul-trasonic irradiation is added, in rougher process: first size mixing dense to ore pulp mass percent by the copper sulfur ore deposit after ore grinding during choosing
Degree is 35%, adds the inhibitor Na of gangue mineral2SiO32000g/t, collecting agent butyl xanthate 300g/t and butyl ammonium aerofloat 200g/
T, foaming agent 2# oil 30g/t, in rougher process, the ul-trasonic irradiation time is 15min, frequency 20kHz, and ultrasonic power is 90W,
The time of roughly selecting is 15min；In refining process, the ul-trasonic irradiation time is 8min, and the selected number of times of frequency 20KHz(is twice, two
Secondary refining process all adds ul-trasonic irradiation), the selected time is 8min；During scanning, the ul-trasonic irradiation time is 6min, frequently
Rate 20kHz, ultrasonic power is 90W, and the time scanned is 6min.Above-mentioned roughly select, selected and scan and all carry out in flotation cell,
It is respectively provided with supersonic generator with sidepiece bottom flotation cell.
Above in association with accompanying drawing, the detailed description of the invention of the present invention is explained in detail, but the present invention is not limited to above-mentioned
Embodiment, in the ken that those of ordinary skill in the art are possessed, it is also possible to before without departing from present inventive concept
Put that various changes can be made.
Claims (4)
1. the beneficiation method that under a ul-trasonic irradiation, Flotation of copper and sulphur separates, it is characterised in that: the copper sulfur ore deposit after ore grinding is carried out
Roughly select, selected and obtain copper concentrate and iron concentrate after scanning, roughly selecting, selected and all add ul-trasonic irradiation during scanning,
In rougher process, the ul-trasonic irradiation time is 8min ~ 15min, frequency 20kHz ~ 50kHz；The ul-trasonic irradiation time in refining process
For 5min ~ 10min, frequency 20KHz ~ 40kHz；During scanning, the ul-trasonic irradiation time is 4min ~ 8min, frequency 20kHz ~
50kHz。
The beneficiation method that under ul-trasonic irradiation the most according to claim 1, Flotation of copper and sulphur separates, it is characterised in that: described mill
Copper sulfur ore particle degree behind ore deposit accounts for 88% ~ 90% for-0.074mm.
The beneficiation method that under ul-trasonic irradiation the most according to claim 1, Flotation of copper and sulphur separates, it is characterised in that: by ore grinding
After copper sulfur ore deposit size mixing to ore pulp mass percent concentration be 30% ~ 35%, add inhibitor Na2SiO3 500g/t ~ 2000g/t,
Collecting agent butyl xanthate 100g/t ~ 400g/t and butyl ammonium aerofloat 100g/t ~ 300g/t, foaming agent 2# oil 20g/t ~ 40g/t.
4. the beneficiation method separated according to Flotation of copper and sulphur under the ul-trasonic irradiation described in claims 1 to 3 any one, its feature
Be: described in roughly select, selected and scan and all carry out in flotation cell, be respectively provided with ultrasound wave occur with sidepiece bottom flotation cell
Device.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109985732A (en) * | 2019-04-07 | 2019-07-09 | 马学文 | A kind of beneficiation method of troilite |
| CN111871618A (en) * | 2019-11-14 | 2020-11-03 | 广州城建职业学院 | Method for removing titanium minerals in high-sulfur bauxite |
| CN114570531A (en) * | 2022-01-25 | 2022-06-03 | 贵州省新材料研究开发基地 | Flotation separation method for low-grade carbonate fluorite ore |
| CN115921123A (en) * | 2022-10-11 | 2023-04-07 | 昆明理工大学 | Novel galena-chalcopyrite separation composite inhibitor and application thereof |
| CN115921118A (en) * | 2022-10-11 | 2023-04-07 | 昆明理工大学 | Novel composite inhibitor for separation of pyrite and chalcopyrite and beneficiation method |
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| CN109985732A (en) * | 2019-04-07 | 2019-07-09 | 马学文 | A kind of beneficiation method of troilite |
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| CN114570531A (en) * | 2022-01-25 | 2022-06-03 | 贵州省新材料研究开发基地 | Flotation separation method for low-grade carbonate fluorite ore |
| CN115921123A (en) * | 2022-10-11 | 2023-04-07 | 昆明理工大学 | Novel galena-chalcopyrite separation composite inhibitor and application thereof |
| CN115921118A (en) * | 2022-10-11 | 2023-04-07 | 昆明理工大学 | Novel composite inhibitor for separation of pyrite and chalcopyrite and beneficiation method |
| CN115921123B (en) * | 2022-10-11 | 2024-04-05 | 昆明理工大学 | Novel composite inhibitor for galena-chalcopyrite separation and application thereof |
| CN115921118B (en) * | 2022-10-11 | 2024-04-05 | 昆明理工大学 | Novel composite inhibitor for separating pyrite from chalcopyrite and beneficiation method |
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