CN106975573B - Carbon inhibitor and its application in a kind of copper-sulphide ores floatation process - Google Patents
Carbon inhibitor and its application in a kind of copper-sulphide ores floatation process Download PDFInfo
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- CN106975573B CN106975573B CN201710145288.5A CN201710145288A CN106975573B CN 106975573 B CN106975573 B CN 106975573B CN 201710145288 A CN201710145288 A CN 201710145288A CN 106975573 B CN106975573 B CN 106975573B
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- copper
- carbon
- inhibitor
- sulphide ores
- floatation process
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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
- 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
Abstract
The invention discloses carbon inhibitor and its applications in a kind of copper-sulphide ores floatation process.Belong to the applied technical field of non-ferro metals floatation medicament.The inhibitor is close carbon-based group with the derivative of anthraquinone, is constituted by hydrophilic radical of polyoxyethylene ether.Pass through the use of the inhibitor so that when copper-sulphide ores flotation, effective inhibition can be obtained in the carbon in ore, reduces consumption of the carbon impurity to collecting agent, is conducive to the flotation collecting of copper-sulphide ores, improves the mineral processing index of copper concentrate.
Description
Technical field
The invention belongs to the applied technical field of non-ferro metals floatation medicament, it is related to a kind of depressing agent and its application,
Carbon highly efficient depressor especially a kind of floatation process suitable for copper-sulphide ores and its application.
Background technology
In flotation technology, effectively inhibit gangue mineral, it is real so that target minreal is efficiently separated with gangue mineral
The key point of existing flotation collecting.Non-ferrous metal copper is important the raw material of industry.Commercial bronze is largely derived from the floating of copper sulfide
Choosing obtains, and with continuing to increase for copper mine demand, copper ore resource is but constantly reduced, poor, thin, the miscellaneous main spy as copper mine
Point, some copper mines of gangue-type containing carbonaceous are also gradually exploited.Since carbonaceous density is low, hydrophobicity easily floats by force, to
Influence concentrate grade；Secondly flotation collector is adsorbed and consumed to carbonaceous, causes reagent consumption amount big, the production cost increases.It restricts
One big factor of carbon containing copper sulfide flotation technology is exactly the inhibition problem of carbon.Efficient flotation in research and probe copper-sulphide ores flotation
Carbon inhibitor is of great significance to promoting copper-sulphide ores resource flotation using level.
Invention content
When the present invention is directed to floating cupric sulfide mine, the more unquenchable problem of gangue mineral provides a kind of with strong selectivity
Efficient flotation carbon inhibitor and its application, to realize the separation of copper sulfide and carbonaceous.
The purpose of the present invention is to achieve the following：
Carbon inhibitor in copper-sulphide ores floatation process：Structural formula is as follows：
R1、R2It is the group containing hydroxyl or carboxyl, the value 5-10 of n.
Carbon inhibitor in the copper-sulphide ores floatation process：The carbon atom value of the group containing hydroxyl or carboxyl
1-4。
The preferred R of carbon inhibitor in the copper-sulphide ores floatation process1For-CH2COOH、R2For hydroxyl.
The application of carbon inhibitor in the copper-sulphide ores floatation process, by the carbon inhibitor for copper-sulphide ores
In flotation.Especially the carbon inhibitor is used in the copper-sulphide ores flotation containing carbonaceous or vitrain, so as to effectively press down
The floating for making such impurity achievees the purpose that high efficiente callback copper-sulphide ores.
When flotation, carbon inhibitor is added prior to collecting agent and foaming agent, better.Carbon impurity in the visual mine of dosage is floating
Depending on selecting difficulty or ease situation, the dosage of the carbon inhibitor is 100~200g/t raw ores.
The present invention has the following advantages when being activated for copper-sulphide ores flotation：
1. since carbonaceous surface mainly has aromatic rings composition, designed inhibitor parent's carbon-based group to have the molecule of anthraquinone
Big planar structure can with the aromatic radical on carbonaceous surface by pi-pi accumulation effect attracts each other " anchoring " in its surface.
2. the carbonyl, carboxyl, hydroxyl on anthraquinone ring can form hydrogen bond action with the hydroxyl on carbonaceous surface, further increase
Its adsorption strength to carbon surface.
3. after inhibitor is adsorbed in carbonaceous surface, in inhibitor the ionization of carbonyl make negative electrical charge on carbonaceous particle band,
Diffusion electric double layer is formed around particle.When two carbonaceous particles with identical charges are close to each other, diffusion electric double layer weight
The folded electrostatic repulsion generated forces the carbonaceous particle of electrification to be lived in ease and comfort and separates, and prevents its merging, promotes carbonaceous in ore pulp
Dispersion.In addition carbonaceous surface bear electricity can also effectively by electrostatic repulsion hinder anionic collector carbon surface absorption,
To which enhancing is to the inhibiting effect of carbonaceous particle.
4. the hydrophilic polyoxyethylene ether possessed in the inhibitor structure, when such inhibitor of carbonaceous particle adsorption
Afterwards, this end of polyoxyethylene ether can extend into aqueous solution, to be formed with certain thickness on the carbonaceous particle surface adsorbed
Hydrophily solid adsorption layer.When carbon particle is close to each other, adsorption layer starts to be overlapped, i.e., space bit is generated between carbonaceous particle
Resistance acts on, and overlapping is more, and steric hindrance repulsion is bigger, and the obstruction of cohesion is also bigger between carbonaceous particle, so that mine
Carbonaceous is disperseed well in slurry solution.Simultaneously because this layer of stable solvation moisture film, not only has great steric hindrance
Repulsion but also have extremely strong hydrophily, this makes collecting agent be less accessible carbonaceous surface.This ensure that carbonaceous impurity
Abundant inhibition, and greatly reduce because carbonaceous adsorb caused by collecting agent consumption.
5. the inhibitor has highly selective inhibiting effect, high efficiency selected it can inhibit carbon containing miscellaneous in copper sulfide flotation
Matter is easy to implement the efficiently concentrating recycling of copper sulfide.
Description of the drawings
Fig. 1 is the carbon containing copper-sulphide ores flotation flowsheet figure of the present invention.
Specific implementation mode
Embodiment 1
Using inhibitor of the present invention, Oxidized copper ores are carried out to Sichuan copper sulfide, main copper mineral is brightness copper
Secondly mine is bornite, chalcopyrite etc., ore cupric 0.86%；Other metalliferous minerals have pyrite；Gangue mineral with quartz,
Based on clay mineral (hydromica, kaolinite etc.), carbonaceous, secondary is feldspar, calcite etc., separately there is a small amount of vitrain clast and organic carbon
Deng total carbon 10.42%.Ore properties are complicated, and copper mineral and carbonaceous are in close relations in ore, and a large amount of carbonaceous pages are contained in ore
Rock and a small amount of vitrain.These carbonaceous floatabilities are good, if the directly floating copper of flotation, carbonaceous certainly will influence product matter into copper concentrate
Amount, so, the key of the ore floatation is solved, is to efficiently separate copper mineral and carbonaceous.For ore properties, add in ore grinding
Enter sodium carbonate 2000-2500g/t, be milled to the fineness that -0.074mm accounts for 78-82%, is then respectively adding carbon inhibitor 1, carbon inhibits
The stirring that agent 2, inhibitor 3 (structure is as follows) 100-200g/t carry out 3min or so is sized mixing, and butyl xanthate collecting agent 120g/t is added
Flotation collecting is carried out with terpenic oil foaming agent 40g/t.Then flotation rough concentrate is through selected twice, and tailing through scanning twice, chats
Sequence returns to the copper concentrate that (such as Fig. 1) is obtained with preferable index, is as a result better than the conventional carbon such as CMC and sodium lignin sulfonate
Inhibitor, it is seen that the floating that can be good at inhibiting carbon using the highly efficient depressor is conducive to the flotation collecting of copper-sulphide ores.
| Medicament compares | Concentrate Cu grades/% | The concentrate Cu rate of recovery/% |
| Carbon inhibitor 1 | 19.24 | 81.40 |
| Carbon inhibitor 2 | 19.72 | 79.44 |
| Carbon inhibitor 3 | 20.12 | 77.53 |
| CMC | 16.87 | 73.26 |
| Sodium lignin sulfonate | 16.51 | 75.26 |
Claims (7)
1. carbon inhibitor in a kind of copper-sulphide ores floatation process, it is characterised in that：Structural formula is as follows：
R1、R2It is the group containing hydroxyl or carboxyl, the value 5-10 of n.
2. carbon inhibitor in copper-sulphide ores floatation process according to claim 1, it is characterised in that：It is described containing hydroxyl or
The carbon atom value 1-4 of the group of carboxyl.
3. carbon inhibitor in copper-sulphide ores floatation process according to claim 1, it is characterised in that：R1For-CH2COOH、R2
For hydroxyl.
4. the application of carbon inhibitor in claim 1-3 any one of them copper-sulphide ores floatation process, which is characterized in that by institute
The carbon inhibitor stated is in the flotation of copper-sulphide ores.
5. the application of carbon inhibitor in copper-sulphide ores floatation process according to claim 4, which is characterized in that will be described
Carbon inhibitor is used in the copper-sulphide ores flotation containing carbonaceous or vitrain.
6. the application of carbon inhibitor in copper-sulphide ores floatation process according to claim 4, which is characterized in that when flotation,
Carbon inhibitor is added prior to collecting agent and foaming agent.
7. the application of carbon inhibitor in copper-sulphide ores floatation process according to claim 4, which is characterized in that the carbon
The dosage of inhibitor is 100~200g/t raw ores.
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| CN201710145288.5A CN106975573B (en) | 2017-03-13 | 2017-03-13 | Carbon inhibitor and its application in a kind of copper-sulphide ores floatation process |
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| CN201710145288.5A CN106975573B (en) | 2017-03-13 | 2017-03-13 | Carbon inhibitor and its application in a kind of copper-sulphide ores floatation process |
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| CN106975573B true CN106975573B (en) | 2018-08-21 |
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| CN110560270B (en) * | 2019-09-19 | 2020-10-20 | 昆明理工大学 | Sand composite inhibitor and application thereof |
| CN110560272A (en) * | 2019-09-20 | 2019-12-13 | 玉溪矿业有限公司 | Mineral separation process of carbon-containing copper sulfide ore |
| CN111686940B (en) * | 2020-07-20 | 2021-06-15 | 中南大学 | Carbon inhibitor in lead-zinc sulfide ore flotation process and application thereof |
| CN111804439B (en) * | 2020-07-20 | 2021-07-09 | 中南大学 | Beneficiation method for carbon-containing lead-zinc sulfide ore |
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| IT549882A (en) * | 1955-03-05 | 1900-01-01 | ||
| US4568454A (en) * | 1984-08-20 | 1986-02-04 | International Minerals & Chemical Corp. | Beneficiation of high carbonate phosphate rock |
| CN1169775C (en) * | 2001-01-09 | 2004-10-06 | 中南大学 | Poly-basic aromatic carboxylic acid for flotation and its preparing method |
| CN103861741A (en) * | 2012-12-14 | 2014-06-18 | 北京矿冶研究总院 | Carbonaceous mineral depressor and method for floating polymetallic sulfide ore |
| CN103212482B (en) * | 2013-04-15 | 2015-04-29 | 湖南有色金属研究院 | Carbonaceous shale inhibitor and flotation separation method of molybdenum sulfide and carbonaceous shale flotation mixed concentrate |
| CN103817011B (en) * | 2014-01-14 | 2016-08-31 | 纳雍县汇丰矿业有限公司 | A kind of carbonaceous thing inhibitor and the application in high charcoal molybdenum nickel minerals flotation molybdenum nickel thereof |
| CN105463205B (en) * | 2015-12-19 | 2017-12-22 | 中国地质科学院矿产综合利用研究所 | Application method of carbonaceous gold ore inhibitor |
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