CN107737667A - The method for improving high shale content cupric oxide ore mineral processing index - Google Patents
The method for improving high shale content cupric oxide ore mineral processing index Download PDFInfo
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- CN107737667A CN107737667A CN201711164099.9A CN201711164099A CN107737667A CN 107737667 A CN107737667 A CN 107737667A CN 201711164099 A CN201711164099 A CN 201711164099A CN 107737667 A CN107737667 A CN 107737667A
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- cupric oxide
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- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 45
- 229960004643 cupric oxide Drugs 0.000 title claims abstract description 27
- 238000012545 processing Methods 0.000 title claims abstract description 24
- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 21
- 239000011707 mineral Substances 0.000 title claims abstract description 21
- 239000012141 concentrate Substances 0.000 claims abstract description 20
- 238000000227 grinding Methods 0.000 claims abstract description 14
- 238000005188 flotation Methods 0.000 claims abstract description 13
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 12
- 238000007667 floating Methods 0.000 claims abstract description 12
- 239000003814 drug Substances 0.000 claims abstract description 8
- ZOOODBUHSVUZEM-UHFFFAOYSA-N ethoxymethanedithioic acid Chemical compound CCOC(S)=S ZOOODBUHSVUZEM-UHFFFAOYSA-N 0.000 claims description 14
- 239000012991 xanthate Substances 0.000 claims description 14
- 229910052979 sodium sulfide Inorganic materials 0.000 claims description 10
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 claims description 10
- 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 claims description 5
- 229910052708 sodium Inorganic materials 0.000 claims description 5
- 239000011734 sodium Substances 0.000 claims description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 1
- 239000010949 copper Substances 0.000 abstract description 30
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 27
- 229910052802 copper Inorganic materials 0.000 abstract description 27
- 238000005516 engineering process Methods 0.000 abstract description 15
- 238000011084 recovery Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 10
- 239000011248 coating agent Substances 0.000 abstract description 3
- 238000000576 coating method Methods 0.000 abstract description 3
- 230000003647 oxidation Effects 0.000 abstract description 2
- 238000007254 oxidation reaction Methods 0.000 abstract description 2
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 239000000686 essence Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006213 oxygenation reaction Methods 0.000 description 2
- 238000007781 pre-processing Methods 0.000 description 2
- 238000002525 ultrasonication Methods 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 238000002604 ultrasonography Methods 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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J19/10—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing sonic or ultrasonic vibrations
-
- 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
- B03B9/00—General arrangement of separating plant, e.g. flow sheets
-
- 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
- B03D2203/00—Specified materials treated by the flotation agents; Specified applications
- B03D2203/02—Ores
- B03D2203/04—Non-sulfide ores
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention provides a kind of method for improving high shale content cupric oxide ore mineral processing index, comprise the following steps：Ore grinding, the content of raw ore ore grinding to 0.074mm is accounted for 85 95%, pulp density is 18 30%；Ultrasonic pretreatment, the obtained ore pulp is sent into ultrasonic wave tank diameter and carries out ultrasonic pretreatment, ore pulp after being pre-processed；Flotation, ore pulp after the obtained pretreatment is subjected to roughing and obtains rougher concentration and rougher tailings；It is selected to rougher concentration progress to obtain concentrate product；Rougher tailings row is scanned to obtain product from failing；The roughing and floating agent is added during scanning.The present invention solves the problems, such as slime coating, improves selectivity and collecting performance of the medicament to target minreal, so as to improve the grade and the rate of recovery of concentrate product copper using ultrasonic technology pretreatment oxidation of ore pulp copper flotation process.
Description
Technical field
The present invention relates to technical field of beneficiation, and in particular to a kind of method for improving high shale content cupric oxide ore mineral processing index.
Background technology
Copper is very important metals resources in modern industry, and copper mine is also very important mineral products money in the world today
Source, copper metal mineral resources in China's are faced with the short situation of very severe at present, and China is that copper metal consumption figure first is big
State, due to copper metal in modern Economy Development in occupation of critical role, the copper resource in China is very in short supply, largely now
It is upper to rely on from external import.
Cupric oxide ore resource is the important component of copper resource, and reserves are relatively abundanter, so being provided to cupric oxide ore
The development process in source and application are significant for metallurgy of copper industrial expansion, but cupric oxide technique of preparing is at present
One of problem in current ore dressing.Because cupric oxide Component comparison is complicated, loosely organized frangible, hydrability is stronger, and contains
A large amount of sludges, so cupric oxide technique of preparing has the problems such as technological process is complicated, medicament kind is more, dosage is big at present, obtain
Concentrate product taste and the rate of recovery it is relatively low.
The content of the invention
In order to solve problems of the prior art, improve high shale content cupric oxide ore ore dressing the invention provides one kind and refer to
Calibration method.This method solves asking for slime coating using ultrasonic technology pretreatment ore pulp-cupric oxide flotation process
Topic, selectivity and collecting performance of the medicament to target minreal are improved, so as to reduce floating agent species and dosage, further improved
The grade and the rate of recovery of concentrate product copper.
To achieve the above object, the invention provides it is a kind of improve high shale content cupric oxide ore mineral processing index method, specifically
Scheme comprises the following steps：
S1：Ore grinding, using high shale content cupric oxide as raw ore, the content of raw ore ore grinding to -0.074mm is accounted for into 85-95%, adjusted
Pulp density is 18-30%；
S2：Ultrasonic pretreatment, it is pre- that ultrasonic wave tank diameter progress ultrasonic wave is sent into the ore pulp overflow obtained in S1
Processing, ore pulp after being pre-processed；The ultrasonic pretreatment time is 5-10min, and frequency is 20kHz~50kHz, and power is
800~1200W.
S3：Flotation, ore pulp after the pretreatment obtained in S2 is subjected to roughing and obtains rougher concentration and rougher tailings；It is right
The rougher concentration progress is selected to obtain concentrate product；Rougher tailings is scanned to obtain product from failing；The roughing and sweep
Floating agent is added during choosing, the floating agent is the combination medicament that vulcanized sodium, penta xanthate and terpenic oil are formed.
Specifically, as a kind of preferred scheme, roughing number described in S3 is once to twice；The concentration times are two
It is secondary to four times；The number of scanning is secondary to four times.
Specifically, as a kind of preferred scheme, the roughing number is twice；The concentration times is three times；It is described to sweep
Number is selected as three times.
Specifically, as a kind of preferred scheme, amount of sodium sulfide is 800~2000g/t in the first time roughing, second
Amount of sodium sulfide is 600~1200g/t in secondary roughing, scans, scans for the second time for the first time, scanning middle amount of sodium sulfide for the third time
It is 80-400g/t；Penta xanthate dosage is 100~400g/t in first time roughing, and penta xanthate dosage is 80 in second of roughing
~300g/t, scan, scan for the second time for the first time, scan for the third time in penta xanthate dosage be 60-150g/t；First time roughing
Middle terpenic oil dosage is 20-100g/t, and terpenic oil dosage is 20~50g/t in second of roughing, scans, sweeps for the second time for the first time
It is 10-25g/t to select, scan middle terpenic oil dosage for the third time.
The present invention has the advantages that：
The method provided by the invention for improving high shale content cupric oxide ore mineral processing index, using the cupric oxide ore of high shale content as original
Ore deposit, enter floatation system after raw ore ore grinding after ultrasonic pretreatment 5-10min, carry out cupric oxide flotation.This method is using super
Technology of acoustic wave pre-processes before carrying out flotation, solves the problems, such as slime coating, improves selectivity and collecting of the medicament to target minreal
Performance, so as to reduce floating agent species and dosage, further improve the grade and the rate of recovery of concentrate product copper.With without ultrasound
The method of ripple pretreatment ore pulp is compared, and the copper concentrate Cu of acquisition grade improves more than 2%, and the rate of recovery improves more than 5%.This hair
The bright selection for further optimizing floatation process technique and floating agent and dosage, mineral processing circuit letter provided by the invention
Single, cost is low, easy to operate, environmental protection, is easy to industrial implementation.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, it will use below required in embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the present invention, general for this area
For logical technical staff, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Accompanying drawing 1 is a kind of new method embodiment principle technological process for improving high shale content cupric oxide ore mineral processing index of the present invention
Figure.
Accompanying drawing 2 is a kind of new method embodiment process chart for improving high shale content cupric oxide ore mineral processing index of the present invention.
Embodiment
For the ease of understanding the present invention, the present invention is made below in conjunction with Figure of description and preferred embodiment more complete
Face, meticulously describe, but protection scope of the present invention is not limited to embodiment in detail below.
Unless otherwise defined, the implication that all technical terms used hereinafter are generally understood that with those skilled in the art
It is identical.Technical term used herein is intended merely to describe the purpose of specific embodiment, is not intended to the limitation present invention
Protection domain.
Except there is a special instruction, the various reagents used in the present invention, raw material be can be commercially commodity or
Person can pass through product made from known method.
Embodiment 1：
Raw ore is certain cupric oxide 1 in the present embodiment, is high shale content cupric oxide ore ore, and grade is 1.03% or so, selects factory
Using " two thick three sweep three essences " mineral processing circuit, method provided by the invention is respectively adopted and locates in advance without ultrasonic technology
The method recovery copper of reason.
The present invention uses the mineral processing circuit of ultrasonic technology preprocess method：
(1) ore grinding, grinding machine progress ore grinding to the content that fineness is -0.074mm will be sent into after crushing raw ore and accounts for 88% or so,
Size mixing to pulp density 20%；
(2) ultrasonic pretreatment, it is pre- that ultrasonic wave tank diameter progress ultrasonic wave is sent into the ore pulp overflow obtained in S1
Processing, ultrasonic pretreatment time are 8min, supersonic frequency 28kHz, power 900W, ore pulp after being pre-processed；
(3) flotation, ore pulp after the pretreatment obtained in S2 is sent into flotation cell, progress " roughing twice, is swept three times
The mineral processing circuit of choosing, rougher concentration merging progress triple cleaning ", obtains concentrate product and product from failing after flotation；Institute
State roughing and scan and floating agent is added in engineering, the floating agent is the combination that vulcanized sodium, penta xanthate and terpenic oil are formed
Medicament；Amount of sodium sulfide is 1200g/t in the first time roughing, and amount of sodium sulfide is 650g/t in second of roughing, first
It is secondary that to scan, scan for the second time, scanning middle amount of sodium sulfide for the third time be 200g/t；Penta xanthate dosage is in first time roughing
360g/t, penta xanthate dosage is 120g/t in second of roughing, scan, scan for the second time for the first time, scan for the third time in it is penta yellow
Survival dose is 90g/t；Terpenic oil dosage is 80g/t in first time roughing, and terpenic oil dosage is 45g/t in second of roughing,
It is 15g/t to scan, scan for the second time, scanning middle terpenic oil dosage for the third time for the first time.
(4) concentrate carries out press filtration after concentrator is dense and obtains concentrate product；
(5) mine tailing is delivered to Tailings Dam after efficient deep wimble thickener is dense.
Removed without the beneficiation method of ultrasonic technology pretreatment in above-mentioned steps outside ultrasonic pretreatment, other processing
Measure is.
Removed without the beneficiation method of ultrasonic technology pretreatment in above-mentioned steps outside ultrasonic pretreatment, other processing
Measure is.
From experimental data in table 1, the concentrate grade for the concentrate product for pre-processing to obtain without ultrasonic technology is
16.12%, copper recovery 80.20%.The characteristics of method provided by the invention is high containing mud for the ore deposit, and oxygenation efficiency is high,
On the basis of original process structure is constant, using ultrasonic pretreatment ore pulp technology, concentrate grade is up to 18.20%, copper
The rate of recovery bring up to 85.27%, method provided by the invention compared with without the method for ultrasonic pretreatment ore pulp, acquisition
Copper concentrate Cu grade improves more than 2.08%, and the rate of recovery improves more than 5.07%.The grade 0.16% of copper in mine tailing, copper
Loss late 14.73%.
Certain ultrasonication of cupric oxide 1 of table 1 and not ultrasonication beneficiation test result/%
Embodiment 2：
Raw ore is certain cupric oxide 2 in the present embodiment, is high shale content, high oxidation, the ore containing high basic gangue, can in raw ore
The valuable element of recovery is copper, and grade is 1% or so, selects factory to be respectively adopted using " one thick three sweeps two essences " mineral processing circuit
Method provided by the invention and the method recovery copper without ultrasonic technology pretreatment.
The present invention uses the mineral processing circuit of ultrasonic technology preprocess method：
(1) ore grinding, grinding machine will be sent into after crushing raw ore and carries out ore grinding, ore grinding to fineness is that -0.074mm content accounts for 85%
Left and right, size mixing to pulp density 22%；
(2) ultrasonic pretreatment, ultrasonic wave tank diameter is sent into the ore pulp overflow obtained in (1), carries out ultrasonic wave
Pretreatment, ultrasonic pretreatment time are 5min, supersonic frequency 40kHz, power 1000W, ore pulp after being pre-processed；
(3) flotation, ore pulp is sent into flotation cell after the pretreatment that will be obtained in (2), and progress " one roughing, is swept three times
Choosing, rougher concentration merge carry out it is selected twice " mineral processing circuit, concentrate product and product from failing are obtained after flotation；Institute
State roughing and scan and floating agent is added in engineering, the floating agent is the combination that vulcanized sodium, penta xanthate and terpenic oil are formed
Medicament；Amount of sodium sulfide is 1500g/t in the roughing, scan, scan for the second time for the first time, scanning middle vulcanized sodium for the third time
Dosage is 120g/t；Penta xanthate dosage is 270g/t in the roughing, scans, scans for the second time, scans for the third time for the first time
In penta xanthate dosage be 85g/t；Terpenic oil dosage is 60g/t in the roughing, scans, scans for the second time for the first time, the 3rd
It is secondary that to scan middle terpenic oil dosage be 15g/t.
Removed without the beneficiation method of ultrasonic technology pretreatment in above-mentioned steps outside ultrasonic pretreatment, other processing
Measure is.
From experimental data in table 2, the concentrate grade for the concentrate product for pre-processing to obtain without ultrasonic technology is
17.05%, copper recovery 82.66%.The characteristics of method provided by the invention is high containing mud for the ore deposit, and oxygenation efficiency is high,
On the basis of original process structure is constant, using ultrasonic pretreatment ore pulp technology, concentrate grade is up to 19.11%, copper
The rate of recovery bring up to 88.14%, method provided by the invention compared with without the method for ultrasonic pretreatment ore pulp, acquisition
Copper concentrate Cu grade improves more than 2.06%, and the rate of recovery improves more than 5.48%.The grade 0.19% of copper in mine tailing, copper
Loss late 11.86%.
Certain ultrasonic pretreatment of copper mine 2 of table 2 with without ultrasonic pretreatment ore dressing result/%
Although above the present invention is made to retouch in detail with general explanation, embodiment and experiment
State, but on the basis of the present invention, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, these modifications or improvements without departing from theon the basis of the spirit of the present invention, are belonged to claimed
Scope.
Claims (4)
- A kind of 1. method for improving high shale content cupric oxide ore mineral processing index, it is characterised in that comprise the following steps：S1：Ore grinding, using high shale content cupric oxide as raw ore, broken ore grinding to -0.074mm content account for 85-95%, and pulp density is 18-30%；S2：Ultrasonic pretreatment, the ore pulp obtained in S1 is sent into ultrasonic wave tank diameter and carries out ultrasonic pretreatment, is obtained Ore pulp after pretreatment；The ultrasonic pretreatment time is 5-10min, and frequency is 20kHz ~ 50kHz, and power is 800 ~ 1200W；S3：Flotation, ore pulp after the pretreatment obtained in S2 is subjected to roughing and obtains rougher concentration and rougher tailings；To described Rougher concentration progress is selected to obtain concentrate product；Rougher tailings is scanned to obtain product from failing；The roughing and scanned Floating agent is added in journey, the floating agent is the combination medicament that vulcanized sodium, penta xanthate and terpenic oil are formed.
- 2. the method according to claim 1 for improving high shale content cupric oxide ore mineral processing index, it is characterised in that described in S3 Roughing number is once to twice；The concentration times are secondary to four times；The number of scanning is secondary to four times.
- 3. the method according to claim 2 for improving high shale content cupric oxide ore mineral processing index, it is characterised in that the roughing Number is twice；The concentration times is three times；The number of scanning is three times.
- 4. the method according to claim 3 for improving high shale content cupric oxide ore mineral processing index, it is characterised in that described first Amount of sodium sulfide is 800~2000g/t in secondary roughing, and amount of sodium sulfide is 600~1200g/t in second of roughing, for the first time It is 80-400g/t to scan, scan for the second time, scanning middle amount of sodium sulfide for the third time；Penta xanthate dosage is in first time roughing 100~400g/t, penta xanthate dosage is 80~300g/t in second of roughing, scans, scans for the second time, sweeps for the third time for the first time It is 60-150g/t to choose penta xanthate dosage；Terpenic oil dosage is 20-100g/t in first time roughing, loose in second of roughing Alcohol oil dosage is 20~50g/t, and it is 10-25g/t to scan, scan for the second time for the first time, scanning middle terpenic oil dosage for the third time.
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|---|---|---|---|---|
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-
2017
- 2017-11-21 CN CN201711164099.9A patent/CN107737667A/en active Pending
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|---|---|---|---|---|
| US5073253A (en) * | 1990-07-11 | 1991-12-17 | Phillips Petroleum Company | Froth level measurement |
| CN101293194A (en) * | 2008-06-24 | 2008-10-29 | 株洲市兴民科技有限公司 | Method and technique for eliminating particle surface envelope in solution with ultrasound wave, and uses |
| CN102688807A (en) * | 2012-06-19 | 2012-09-26 | 昆明理工大学 | Floatation method for carrying out temperature control and mud suppression on mixed copper ore with high oxygenation rate and high mud content |
| CN102896047A (en) * | 2012-10-08 | 2013-01-30 | 湖南有色金属研究院 | Method for beneficiating high-peat copper sulphide ore |
| CN105935631A (en) * | 2016-04-13 | 2016-09-14 | 中国矿业大学 | Efficient desliming method for low-grade argillaceous zinc oxide ores |
| CN106492982A (en) * | 2016-10-19 | 2017-03-15 | 湖南有色金属研究院 | Copper-molybdenum bulk concentrate ultrasound wave disperses magnetic separation separating technology |
Non-Patent Citations (1)
| Title |
|---|
| 陈广等: "难选氧化铜矿的超声波助浸研究", 《有色金属（冶炼部分）》 * |
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