CN114618676B - Comprehensive utilization method of tailing water of copper concentrating mill - Google Patents
Comprehensive utilization method of tailing water of copper concentrating mill Download PDFInfo
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- CN114618676B CN114618676B CN202210185092.XA CN202210185092A CN114618676B CN 114618676 B CN114618676 B CN 114618676B CN 202210185092 A CN202210185092 A CN 202210185092A CN 114618676 B CN114618676 B CN 114618676B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 118
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 26
- 239000010949 copper Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000002562 thickening agent Substances 0.000 claims abstract description 46
- 239000012141 concentrate Substances 0.000 claims abstract description 22
- 230000002378 acidificating effect Effects 0.000 claims abstract description 14
- 238000000227 grinding Methods 0.000 claims abstract description 13
- 238000002156 mixing Methods 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims abstract description 4
- 230000001502 supplementing effect Effects 0.000 claims description 3
- 238000006386 neutralization reaction Methods 0.000 abstract 1
- 239000002253 acid Substances 0.000 description 12
- 229910052500 inorganic mineral Inorganic materials 0.000 description 10
- 239000011707 mineral Substances 0.000 description 10
- 238000011084 recovery Methods 0.000 description 8
- 238000000926 separation method Methods 0.000 description 7
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 6
- 235000011941 Tilia x europaea Nutrition 0.000 description 6
- 239000004571 lime Substances 0.000 description 6
- BWFPGXWASODCHM-UHFFFAOYSA-N copper monosulfide Chemical compound [Cu]=S BWFPGXWASODCHM-UHFFFAOYSA-N 0.000 description 5
- 229910001779 copper mineral Inorganic materials 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- 238000005188 flotation Methods 0.000 description 3
- 229910052683 pyrite Inorganic materials 0.000 description 3
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 3
- 239000011028 pyrite Substances 0.000 description 3
- 239000003814 drug Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002386 leaching Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910052951 chalcopyrite Inorganic materials 0.000 description 1
- DVRDHUBQLOKMHZ-UHFFFAOYSA-N chalcopyrite Chemical compound [S-2].[S-2].[Fe+2].[Cu+2] DVRDHUBQLOKMHZ-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000008396 flotation agent Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002893 slag 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
- 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
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention relates to a treatment method of tailing water, in particular to a comprehensive utilization method of tailing water of a copper concentrating plant. Regrinding and concentrating rough concentrate obtained after grinding and roughing operation of raw ore to obtain copper concentrate and concentrate tailings, and concentrating the concentrate tailings in a No. I thickener; overflow water 1 of the No. I thickener is used for carefully selecting, and underflow 1 enters the No. II thickener; introducing the stope acidic water into a No. II thickener, fully stirring and mixing with the underflow 1, and concentrating; the obtained overflow water 2 enters a high-level water tank 1, and the underflow 2 and roughing tailings are mixed and then enter a III thickener; the obtained overflow water 3 enters a high-level water tank 1 and is mixed with the overflow water 2 to be finally used for raw ore grinding and roughing operation; the underflow 3 enters a tailing pond to be discharged. The invention utilizes the neutralization of the stope acidic water and part of the beneficiation alkaline water, reduces the treatment cost of the acidic water, and ensures that the water in the tailing pond is discharged up to the standard.
Description
Technical Field
The invention belongs to the technical field of tailing water treatment, and particularly relates to a comprehensive utilization method of tailing water of a copper concentrating mill.
Technical Field
The pH value of the flotation mineral has great influence on flotation indexes, minerals can be fully floated or inhibited only at a proper pH value, and medicaments can play a full role only at the proper pH value.
For copper-sulfur mixed ores, copper minerals are generally recovered by adopting a process flow of 'flotation-coarse concentrate regrinding-copper-sulfur separation'. The pH value of roughing operation is required to be about 9, the pH value of selecting operation is required to be about 12.2, the concentrate grade can be influenced by the too low pH value, the recovery rate of copper roughing operation can be influenced by the too high pH value, and lime for regulating the pH value can be wasted.
Along with the enhancement of environmental awareness, more and more areas put higher requirements on the pH value of tailing water discharged by ore dressing, and the pH value of the tailing water is required to be in the range of 6-9 for discharging. It is a new challenge for concentrating mills how to treat tailings water in large quantities efficiently and at low cost.
Disclosure of Invention
In order to solve the problems, the invention provides a comprehensive utilization method of tailing water of a copper concentrating plant.
The invention adopts the following technical scheme:
a comprehensive utilization method of tailing water of a copper concentrating mill comprises the following steps:
s1, regrinding and concentrating rough concentrate obtained after grinding and roughing operation of raw ore to obtain copper concentrate and concentrate tailings, and concentrating the concentrate tailings in a No. I thickener;
s2, overflow water 1 of the No. I thickener enters a high-level water tank 2, and finally returns to S1 for the carefully selecting operation; the underflow 1 of the No. I thickener enters a No. II thickener;
s3, introducing the stope acidic water into the No. II thickener, fully stirring and mixing with the underflow of the No. I thickener, and concentrating;
s4, the overflow water 2 obtained after concentration of the No. II thickener enters a high-level water tank 1, and the underflow 2 is mixed with roughing tailings obtained after raw ore grinding and roughing operation and then enters a No. III thickener;
s5, enabling overflow water 3 obtained after concentration by a III thickener to enter a high-level water tank 1, mixing with the overflow water 2 in S4, and finally returning to S1 for raw ore grinding and roughing operation; the underflow 3 enters a tailing pond to be discharged.
Preferably, in step S1, the mass concentration of the tailings is adjusted to 10% before entering the No. i thickener.
Preferably, the inner diameter of the No. I thickener is 30m, the mass concentration of the concentrated bottom flow 1 is 30-33%, and the pH value of the overflow water 1 is 12.2-12.3.
Preferably, the inner diameter of the No. II thickener is 30m, the mass concentration of the concentrated bottom flow 2 is 30%, and the pH value of the overflow water 2 is 9.0-9.5.
Preferably, the pH value of the acid water is lower than 4, and the acid water is introduced in an amount such that the pH value of overflow water 2 of the No. II thickener is 9.0-9.5.
Preferably, the inner diameter of the III-type thickener is 100m, the mass concentration of the concentrated bottom flow 3 is 50-55%, and the pH value of the overflow water 3 is 8.5-9.0.
Preferably, in step S5, the overflow water 3 may also be partially returned to the high-level water tank 1 for supplementing the raw ore grinding and roughing water.
The invention has the beneficial effects that:
1) According to the invention, the roughing tailings obtained in the roughing operation and the concentrating tailings obtained in the concentrating operation are respectively concentrated to obtain high-pH overflow water and low-pH overflow water, and the high-pH overflow water and the low-pH overflow water are respectively returned to be used for the roughing operation and the concentrating operation, so that the influence of the reduction of the pH value in the roughing operation on the roughing effect is avoided, the recovery rate of the roughing operation is improved, and the lime consumption is reduced.
2) Concentrating the tailings twice by a No. I thickener and a No. II thickener, and adding acid water into the No. II thickener to enable overflow water 2 to enter a high-level water pool 1 at a low pH value so as to facilitate secondary use. And the concentrated tailings after being concentrated by the No. II thickener are fully mixed with the roughing tailings in the No. III thickener, so that the underflow can directly reach the discharge standard, the utilization efficiency of the acid water is improved, and the standard discharge of the tailings pond water is ensured.
3) In the mining process, exposed or piled ore and slag are subjected to wind blowing, sun drying and rain leaching, sulfide ore in the ore can undergo a series of physical and chemical reactions such as leaching, oxidation and hydrolysis under the action of air, water and microorganisms to form acidic wastewater with pH value of 2-4, and the acidic wastewater is influenced by geographical positions and seasonal precipitation to greatly damage the surrounding environment of a mine field. The existing treatment means have the problems of high cost, long treatment period and the like no matter the treatment means are directly discharged or treated by medicaments. The invention utilizes the advantage of low pH value of the acid wastewater to neutralize the acid water and partial mineral separation alkaline water, improves the mineral separation efficiency, reduces the mineral separation cost, simultaneously reduces the treatment cost of the acid water, and achieves the aim of treating waste according to the waste.
Drawings
FIG. 1 is a schematic diagram of a copper mine recovery process in the prior art;
FIG. 2 is a schematic flow chart of the method for comprehensively utilizing the tailing water.
Detailed Description
The technical scheme of the invention is described in more detail below with reference to examples.
Example 1
The main recoverable elements of a certain copper mine are copper, sulfur, gold and silver, wherein the pyrite is coarse in embedding granularity, uneven in embedding granularity, less than 0.020mm in partial chalcopyrite particle size and wrapped in pyrite and gangue minerals.
According to the property characteristics of the ore, the ore dressing plant adopts the technological process of copper-sulfur mixed flotation, coarse concentrate regrinding and copper-sulfur separation to recycle copper minerals, and the separation process is shown in figure 1. The method has the following problems:
(1) The pH value of roughing operation is required to be about 9, the pH value is too low, the argillite minerals float upwards after argillization, and the argillite minerals are covered on the surfaces of useful minerals, so that the consumption of flotation agents is increased, and the grade of concentrate is influenced; if the pH value is too high, the copper-sulfur intergrowth mineral can be inhibited, and the copper recovery rate of roughing operation is affected. (2) The pH value of the concentration operation is required to be about 12.2, if the pH value is too low, the pyrite inhibition effect is poor, the grade of copper concentrate is affected, and lime is wasted if the pH value is too high. (3) The method is used for recovering copper minerals, the pH value of tail water is about 11.3, and the tail water cannot be directly discharged; the pH value of the overflow water is about 11.3, and if the overflow water is recycled as water for roughing operation, the recovery rate of copper in roughing operation is affected; if the water is used as water for refining operation, the pH value is slightly low, and a large amount of lime is still required to be added to realize better copper-sulfur separation.
The comprehensive utilization method provided by the invention is adopted to recycle copper minerals, the process flow is shown in figure 2, and the specific steps are as follows:
s1, grinding and roughing operation are carried out on raw ores to obtain rough concentrate and roughing tailings respectively; after regrinding and concentrating operation, the rough concentrate is respectively obtained as copper concentrate and concentrating tailings; wherein lime is added into ore pulp to adjust the pH value to be about 9.0-10.0 in the rough concentration and the fine concentration of raw ore. The mass concentration of the treated tailings is about 10%, and the tailings enter a No. I thickener with the inner diameter of 30m for concentration.
S2, concentrating by a No. I thickener, wherein the pH value of overflow water 1 is about 12.2, and then the overflow water enters a high-level water tank 2 to be finally used for carefully selecting in S1; the mass concentration of the underflow 1 of the No. I thickener is about 30%, and the underflow 1 enters a No. II thickener with the inner diameter of 30m for continuous concentration.
S3, introducing the stope acidic water into a No. II thickener, fully stirring and mixing the stope acidic water with the underflow of the No. I thickener, and concentrating to obtain overflow water 2 and underflow 2; the acid water was directly used from the mine site, and in this example, the pH and composition of the acid water are shown in table 1 below; the amount of acidic water to be added is preferably such that the pH of the overflow water 2 becomes about 9.0 to 9.5.
TABLE 1pH and Metal ion content of acidic Water
The unit is mg/L
S4, the pH value of overflow water 2 is about 9.5, and the overflow water enters a high-level water tank 1; the mass concentration of the underflow 2 is about 30%, and the underflow 2 is mixed with roughing tailings obtained after roughing operation of raw ores and then enters a III thickener with the inner diameter of 100 m;
s5, concentrating by a III thickener to obtain overflow water 3, wherein the pH value of the overflow water 3 is about 8.5, and the overflow water enters a high-level water tank 1 to be mixed with the overflow water 2 in S4, so that the overflow water is finally used for raw ore grinding and roughing operation; the underflow 3 enters a tailing pond to be discharged.
The pH value of the water to be discharged in the tailing pond is about 8-8.5, and the water can also partially return to the high-level water tank 1 for supplementing the raw ore grinding and roughing operation water.
On the basis of the traditional copper recovery technology, the method respectively concentrates the roughing tailings and the concentrating tailings to obtain high-pH value backwater and low-pH value backwater, which are respectively used for roughing and concentrating operations, so that the recovery rate of the roughing operation is improved, the consumption of lime is reduced, and water resources are saved. Concentrating tailings for 2 times, adding acid water, well utilizing the acid wastewater, adjusting the pH value of the tail water, and ensuring that the water in the tailings pond is discharged up to the standard.
The acidic water and the tailing pond water produced by copper recovery by the conventional method before modification are compared with the modified tailing pond water obtained by the method and the emission standard, and the results are shown in table 1.
The table shows that the method of the invention effectively reduces the pH value of the tailing pond water, and after the acid water is added, each component still does not exceed the discharge standard, and the tailing pond water can be directly discharged, thus being economical and environment-friendly.
The above embodiments are only for illustrating the technical scheme of the present invention, and are not limiting to the present invention; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The comprehensive utilization method of the tailing water of the copper concentrating plant is characterized by comprising the following steps of:
s1, regrinding and concentrating rough concentrate obtained after grinding and roughing operation of raw ore to obtain copper concentrate and concentrate tailings, and concentrating the concentrate tailings in a No. I thickener;
s2, overflow water 1 of the No. I thickener enters a high-level water tank 2, and finally returns to S1 for the carefully selecting operation; the underflow 1 of the No. I thickener enters a No. II thickener;
s3, introducing the stope acidic water into the No. II thickener, fully stirring and mixing with the underflow of the No. I thickener, and concentrating;
s4, the overflow water 2 obtained after concentration of the No. II thickener enters a high-level water tank 1, and the underflow 2 is mixed with roughing tailings obtained after raw ore grinding and roughing operation and then enters a No. III thickener;
s5, enabling overflow water 3 obtained after concentration by a III thickener to enter a high-level water tank 1, mixing with the overflow water 2 in S4, and finally returning to S1 for raw ore grinding and roughing operation; the underflow 3 enters a tailing pond to be discharged;
the pH value of the overflow water 1 is 12.2-12.3, the pH value of the overflow water 2 is 9.0-9.5, and the pH value of the overflow water 3 is 8.5-9.0.
2. The method for comprehensive utilization of tailings water from a copper concentrating mill according to claim 1, wherein in step S1, the mass concentration of the concentrate tailings is adjusted to 10% before entering a No. i thickener.
3. The comprehensive utilization method of the tailing water of the copper concentrating mill as claimed in claim 1, wherein the inner diameter of the No. I thickener is 30m, and the concentration of the concentrated underflow 1 is 30-33% by mass.
4. The comprehensive utilization method of the tailing water of the copper concentrating mill as claimed in claim 1, wherein the inner diameter of the No. II thickener is 30m, and the mass concentration of the concentrated underflow 2 is 30-33%.
5. The method for comprehensively utilizing tailing water of a copper concentrating mill according to claim 4, wherein the pH value of the acidic water is lower than 4, and the introduction amount of the acidic water is such that the pH value of overflow water 2 of a No. II thickener is 9.0-9.5.
6. The comprehensive utilization method of the tailing water of the copper concentrating mill as claimed in claim 1, wherein the inner diameter of the III-type thickener is 100m, and the mass concentration of the concentrated underflow 3 is 50-55%.
7. The comprehensive utilization method of the tailing water of the copper concentrating plant according to claim 1, wherein in the step S5, the overflow water 3 is partially returned to the high-level water tank 1 for supplementing the raw ore grinding and roughing operation water.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210185092.XA CN114618676B (en) | 2022-02-28 | 2022-02-28 | Comprehensive utilization method of tailing water of copper concentrating mill |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3386572A (en) * | 1965-03-08 | 1968-06-04 | American Cyanamid Co | Upgrading of copper concentrates from flotation |
| US4283017A (en) * | 1979-09-07 | 1981-08-11 | Amax Inc. | Selective flotation of cubanite and chalcopyrite from copper/nickel mineralized rock |
| CA2107963A1 (en) * | 1992-10-09 | 1994-04-10 | Nathaniel Arbiter | Tailings retreatment |
| RU2350396C2 (en) * | 2007-04-16 | 2009-03-27 | Государственное образовательное учреждение высшего профессионального образования "Московский государственный институт стали и сплавов" (технологический университет) | Method of flotation concentration of cake of sulphuric acid leaching of copper ore |
| JP2013209719A (en) * | 2012-03-30 | 2013-10-10 | Jx Nippon Mining & Metals Corp | Method for treating copper concentrate |
| CN109604045A (en) * | 2018-11-14 | 2019-04-12 | 铜陵有色金属集团股份有限公司 | The method of lime and beneficiation reagent dosage is reduced in copper ores with high sulfur content mining production |
| CN111085342A (en) * | 2019-11-22 | 2020-05-01 | 铜陵有色金属集团股份有限公司 | Method for comprehensively recovering copper and sulfur from deep-sea high-sulfur high-copper mine and application thereof |
| CN112844818A (en) * | 2021-01-08 | 2021-05-28 | 湖南有色金属研究院 | Beneficiation separation method for copper-zinc sulfide ore |
-
2022
- 2022-02-28 CN CN202210185092.XA patent/CN114618676B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3386572A (en) * | 1965-03-08 | 1968-06-04 | American Cyanamid Co | Upgrading of copper concentrates from flotation |
| US4283017A (en) * | 1979-09-07 | 1981-08-11 | Amax Inc. | Selective flotation of cubanite and chalcopyrite from copper/nickel mineralized rock |
| CA2107963A1 (en) * | 1992-10-09 | 1994-04-10 | Nathaniel Arbiter | Tailings retreatment |
| RU2350396C2 (en) * | 2007-04-16 | 2009-03-27 | Государственное образовательное учреждение высшего профессионального образования "Московский государственный институт стали и сплавов" (технологический университет) | Method of flotation concentration of cake of sulphuric acid leaching of copper ore |
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| CN109604045A (en) * | 2018-11-14 | 2019-04-12 | 铜陵有色金属集团股份有限公司 | The method of lime and beneficiation reagent dosage is reduced in copper ores with high sulfur content mining production |
| CN111085342A (en) * | 2019-11-22 | 2020-05-01 | 铜陵有色金属集团股份有限公司 | Method for comprehensively recovering copper and sulfur from deep-sea high-sulfur high-copper mine and application thereof |
| CN112844818A (en) * | 2021-01-08 | 2021-05-28 | 湖南有色金属研究院 | Beneficiation separation method for copper-zinc sulfide ore |
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| Title |
|---|
| 艾光华.《铜矿选矿技术与研究》.冶金工业出版社,2017,113-114. * |
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