CN114653468A - Beneficiation method for high-sulfur copper-zinc ore by applying sodium humate - Google Patents
Beneficiation method for high-sulfur copper-zinc ore by applying sodium humate Download PDFInfo
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- CN114653468A CN114653468A CN202210281955.3A CN202210281955A CN114653468A CN 114653468 A CN114653468 A CN 114653468A CN 202210281955 A CN202210281955 A CN 202210281955A CN 114653468 A CN114653468 A CN 114653468A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/004—Organic compounds
- B03D1/01—Organic compounds containing nitrogen
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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
- B03D1/018—Mixtures of inorganic and organic compounds
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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
- B03D1/02—Froth-flotation processes
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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
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/007—Modifying reagents for adjusting pH or conductivity
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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
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/02—Collectors
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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
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/04—Frothers
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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
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/06—Depressants
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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
- B03D2203/00—Specified materials treated by the flotation agents; specified applications
- B03D2203/02—Ores
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Abstract
The invention discloses a beneficiation method for high-sulfur copper-zinc ores by applying sodium humate, and relates to the technical field of beneficiation. Crushing and grinding raw ores to fully and singly dissociate copper sulfide minerals, zinc minerals and pyrites, and adding ore pulp pH regulator lime and pyrite inhibitor sodium humate during grinding; the roughing concentrate and the roughing tailings are obtained through primary roughing, primary scavenging is carried out on the roughing tailings, primary concentration, secondary concentration and tertiary concentration are carried out on the roughing concentrate, and scavenging middlings and concentration middlings are sequentially returned to form a closed flow. The method solves the problems that in the conventional beneficiation method in the current production, the addition of a large amount of lime inhibits other sulfide ores under the high-alkali condition, and the effect is not ideal, so that the copper concentrate has low copper grade and low copper recovery rate; the butyl xanthate is adopted as the copper ore collecting agent with high sulfur content and a small amount of zinc, the collecting force is strong, the selectivity is poor, the difficulty of separating copper, zinc and sulfur is increased, and the consumption of inhibitor lime is increased.
Description
Technical Field
The invention relates to the technical field of beneficiation, in particular to a beneficiation method for high-sulfur copper-zinc ore by applying sodium humate.
Background
At present, lime slurry mixing is generally adopted in domestic mineral separation production of high-sulfur copper ores containing a small amount of zinc, a sulfide collecting agent xanthate and foaming agent terpineol oil are added under a high-alkalinity condition to separate and float copper, zinc and sulfur, and the low-sulfur copper ores are enriched in copper concentrates to influence the improvement of the grade of the copper concentrates and are removed as copper concentrate impurities because the low-zinc copper ores have no value in recovery. However, the process has the following problems: (1) copper and zinc minerals can be inhibited to a certain degree under the condition of high alkali (pH >10), so that the recovery rate of copper and zinc is low. Under the precondition of monomer dissociation, both copper sulfide minerals (mainly chalcopyrite) and zinc minerals (mainly sphalerite) under natural pH conditions are easily floating minerals, but under the condition of high alkali (pH >10), as the surface of the chalcopyrite is corroded by OH < - >, a hydrophilic ferric hydroxide film is formed, the floatability is reduced and is inhibited to a certain extent, and the copper recovery rate is low; (2) the separation of copper, zinc and sulfur is carried out by taking lime as a pyrite inhibitor under the condition of high alkalinity, and the problems of high lime consumption, easy calcium accumulation and blockage of pipelines, serious corrosion of equipment, serious mine wastewater pollution and the like exist; (3) the butyl xanthate is independently adopted as the collecting agent of the high-sulfur zinc-containing copper ore, so that the collecting force is strong, the selectivity is poor, the difficulty of copper-sulfur separation is high, and the consumption of the inhibitor is increased.
Therefore, based on the characteristics of the high-sulfur zinc-containing copper ore, how to realize effective recovery of the high-sulfur zinc-containing copper ore by a simple and easy sorting method to obtain qualified copper concentrate is a problem which is urgently needed to be solved at present.
The method is characterized in that the existing chalcopyrite in some ores is uneven in particle size distribution, the embedding relation of part of chalcopyrite with other sulphide ores and gangue is complex, the target mineral recovered from the ore is the chalcopyrite, the sulphide minerals to be inhibited mainly comprise the chalcopyrite, pyrrhotite and sphalerite, the minerals are difficult to be completely inhibited by lime, and the single use of the lime as the inhibitor has unsatisfactory inhibiting effect, so that the ore concentrate contains high impurities, which results in lower grade of copper concentrate.
Disclosure of Invention
The invention aims to provide a beneficiation method for high-sulfur copper-zinc ores by using sodium humate, which aims to solve the problems in the background technology.
The invention specifically adopts the following technical scheme for realizing the purpose:
a beneficiation method of high-sulfur copper-zinc ore by applying sodium humate comprises the following steps,
(1) grinding, namely crushing and grinding raw ores to fully and singly dissociate copper sulfide minerals, zinc minerals and pyrite, adding an ore pulp pH regulator and a pyrite inhibitor during grinding, wherein the ore pulp pH regulator is lime, the pyrite inhibitor is sodium humate, the addition amount of the lime is 2000-3000 g/t and the addition amount of the sodium humate is 100-150 g/t per ton of the raw ores, adding water for mixing until the weight concentration is 30-40%, and controlling the pH value of the ore pulp to be 9-9.5;
(2) the method comprises the steps of obtaining roughing concentrates and roughing tailings through primary roughing, carrying out primary scavenging on the roughing tailings, carrying out primary concentration, secondary concentration and tertiary concentration on the roughing concentrates, and returning scavenging middlings and concentrated middlings in sequence to form a closed flow, wherein 600-800 g/t of lime is added in the primary concentration, 80-120 g/t of sodium humate is added, and the pH value of ore pulp is controlled to be 10-11; selecting 40-60 g/t of sodium humate for the second time, and selecting 20-40 g/t of sodium humate for the third time;
collecting agents comprising butyl xanthate and Z-200 are added in rough concentration, primary scavenging, primary concentration and secondary concentration, a foaming agent is terpineol oil, and the using amount of the collecting agents per ton of raw ore is as follows:
30-40 g/t of butyl xanthate, Z-20010-15 g/t and 15-20 g/t of pine oil are added in the rough concentration;
10-20 g/t of butyl xanthate, Z-2005-10 g/t and 5-10 g/t of pine oil are added in one-time cleaning;
2-5 g/t of butyl xanthate is carefully selected and added for the first time; and the secondary concentration does not need to add a flotation agent.
The collecting agent butyl xanthate comprises: 30-40 parts of sodium butyl xanthate and 10-20 parts of O-isopropyl-N-ethyl thiourethane.
In the step (1), the lime is prepared into emulsion with the weight concentration of 10-15% and added.
In the step (1), the sodium humate is prepared into an aqueous solution with the weight concentration of 5-10% and added.
In step (2), the pinitol oil is added as a stock solution.
And (2) crushing and grinding the raw ore in the step (1) until ore particles with the diameter of less than 0.074mm account for 70-80%.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the method can improve the copper concentrate by 2-3 percent, ensure the quality of the concentrate, stabilize the recovery rate of the concentrate, and solve the problems of difficult treatment and low recovery rate of deep high-sulfur copper-zinc ores; the quality of the concentrate after the sodium humate is added is improved compared with the prior art, the automatic dosing is realized by modifying the field dosing machine, no obvious abnormal change is found in the operation of the middling returning roughing and scavenging flotation, and the operation is relatively simple.
2. The method has the advantages of simple process structure, easy processing and manufacturing, convenient reagent addition and low reagent cost, can formulate a reasonable industrial test scheme only from the viewpoint of a reagent system change scheme without changing the field principle process flow, automatically and accurately add the reagent, improve the copper concentrate grade, stabilize the flotation technical index, and can be widely applied to the production field of the nonferrous technology flotation of the high-sulfur copper zinc ore.
3. According to the invention, through reasonable combination and addition of the reagent, selective adsorption of the collecting agent on the target mineral-chalcopyrite is enhanced, the grade and recovery rate of copper concentrate are improved, and the problems that in the conventional beneficiation method in the prior art, addition of a large amount of lime inhibits other sulfide ores under a high-alkali condition, the effect is not ideal, and the copper grade of the copper concentrate is low and the recovery rate of copper is low are solved; the butyl xanthate is adopted as the copper ore collecting agent with high sulfur content and a small amount of zinc, the collecting force is strong, the selectivity is poor, the difficulty of separating copper, zinc and sulfur is increased, and the consumption of inhibitor lime is increased.
Drawings
FIG. 1 is a process flow diagram of the present invention
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1
Referring to fig. 1, the present embodiment provides a beneficiation method of high-sulfur cuprum-zincium ore using sodium humate, comprising the following steps,
(1) grinding, namely crushing and grinding raw ores to fully and singly dissociate copper sulfide minerals, zinc minerals and pyrite, adding an ore pulp pH regulator and a pyrite inhibitor during grinding, wherein the ore pulp pH regulator is lime, the pyrite inhibitor is sodium humate, the addition amount of the lime is 2000-3000 g/t and the addition amount of the sodium humate is 100-150 g/t per ton of the raw ores, adding water for mixing until the weight concentration is 30-40%, and controlling the pH value of the ore pulp to be 9-9.5;
(2) the method comprises the steps of obtaining roughing concentrates and roughing tailings through primary roughing, carrying out primary scavenging on the roughing tailings, carrying out primary concentration, secondary concentration and tertiary concentration on the roughing concentrates, and returning scavenging middlings and concentrated middlings in sequence to form a closed flow, wherein 600-800 g/t of lime is added in the primary concentration, 80-120 g/t of sodium humate is added, and the pH value of ore pulp is controlled to be 10-11; selecting 40-60 g/t of sodium humate for the second time, and selecting 20-40 g/t of sodium humate for the third time;
collecting agents comprising butyl xanthate and Z-200 are added in rough concentration, primary scavenging, primary concentration and secondary concentration, a foaming agent is terpineol oil, and the using amount of the collecting agents per ton of raw ore is as follows:
adding 30-40 g/t of butyl xanthate, Z-20010-15 g/t and 15-20 g/t of pine oil in the roughing;
10-20 g/t of butyl xanthate, Z-2005-10 g/t and 5-10 g/t of pinitol oil are added in one-time sweeping;
2-5 g/t of butyl xanthate is carefully selected and added for the first time; and the secondary concentration does not need to add a flotation agent.
The collecting agent butyl xanthate comprises: 30-40 parts of sodium butyl xanthate and 10-20 parts of O-isopropyl-N-ethyl thiourethane.
In the step (1), the lime is prepared into emulsion with the weight concentration of 10-15% and added.
In the step (1), the sodium humate is prepared into an aqueous solution with the weight concentration of 5-10% and added.
In step (2), the pinitol oil is added as a stock solution.
And (2) crushing and grinding the raw ore in the step (1) until ore particles with the diameter less than 0.074mm account for 70-80% of the total raw ore (mass fraction).
Test example 1:
according to laboratory experimental research, taking a certain company as an example, 50 kg of copper ore with high sulfur and a small amount of zinc in the certain company is taken as a research object after crushing, screening and division mixing, when the grinding fineness is-200 meshes (mass fraction) 74.6%, most of the copper ore is subjected to monomer dissociation, so that the index is relatively good under the grinding fineness condition, and under the condition that the grinding fineness is 74.6-200 meshes, lime is taken as an adjusting agent, and the copper concentrate is produced through once roughing, once scavenging and three times of fine separation. Closed-circuit test indexes obtained by the field medicament scheme are as follows: the copper grade of the copper concentrate is 14.29 percent, and the copper recovery rate is 93.95 percent. According to the novel reagent scheme, butyl xanthate and Z-200 are combined into a collecting agent according to a certain proportion, sodium humate is added in a tertiary fine separation section as a regulator to inhibit pyrite and zinc blende, and finally the closed circuit test indexes of the novel reagent scheme are as follows: the copper grade of the copper concentrate is 17.59 percent, and the copper recovery rate is 95.58 percent. Compared with the closed test of a field chemical system, the grade of the concentrate is improved by about 3.30 percent, and the recovery rate of the concentrate copper is improved by 1.63 percent.
The closed loop test data is shown in table 1.
TABLE 1 closed circuit test data
Test example 2:
through field industrial experiments, firstly, the process flow in the industrial test period is determined to adopt a two-to-two-section closed circuit grinding process flow and a flotation process flow of coarse cleaning and tertiary cleaning, and the reagent scheme of flotation operation still adopts a field reagent scheme, and on the basis, the sulfur inhibitor sodium humate is added in the first cleaning and the second cleaning; setting a phi 2000 stirring tank to dissolve sodium humate, and adding inhibitor sodium humate in the first selection and the second selection.
The addition amounts of the primary concentration and the secondary concentration of the sodium humate are respectively 60g/t and 30g/t, the effect is not obvious from site indexes, the concentrate grade is not obviously improved, and laboratory tests show that the sodium humate is possibly higher in copper and sulfur content in raw ore than the laboratory tests due to the reasons of purity and the like, so that the use amount of the sodium humate needs to be increased;
the ore pulp concentration of the third concentration operation is higher than that of the second concentration operation, and the reason that the refined disulfide inhibition effect is poor by combining laboratory data analysis is that the action time of the medicament and the second concentration ore pulp is short, so that the adding point of the sodium humate of the on-site second concentration operation is changed into a third concentration tailing tank to be fully stirred and then enters the second concentration, and the action time of the medicament and the ore pulp is prolonged;
the phenomenon is better after the sodium humate is added through the adjustment of field operation and the comparison of the phenomenon for three times of concentration operation, and the concentrate grade can be stabilized to more than 16 percent in advance when the tailings are kept.
The debugging data and medicament conditions of the industrial test are shown in table 2, and the debugging results are shown in table 3.
TABLE 2 Condition of the Agents
TABLE 3 debugging results
Claims (6)
1. A beneficiation method of high-sulfur copper-zinc ore by applying sodium humate is characterized by comprising the following steps,
(1) grinding, namely crushing and grinding raw ores to fully and singly dissociate copper sulfide minerals, zinc minerals and pyrite, adding an ore pulp pH regulator and a pyrite inhibitor during grinding, wherein the ore pulp pH regulator is lime, the pyrite inhibitor is sodium humate, the addition amount of the lime is 2000-3000 g/t and the addition amount of the sodium humate is 100-150 g/t per ton of the raw ores, adding water for mixing until the weight concentration is 30-40%, and controlling the pH value of the ore pulp to be 9-9.5;
(2) the method comprises the steps of obtaining roughing concentrates and roughing tailings through primary roughing, carrying out primary scavenging on the roughing tailings, carrying out primary concentration, secondary concentration and tertiary concentration on the roughing concentrates, and returning scavenging middlings and concentrated middlings in sequence to form a closed flow, wherein 600-800 g/t of lime is added in the primary concentration, 80-120 g/t of sodium humate is added, and the pH value of ore pulp is controlled to be 10-11; selecting 40-60 g/t of sodium humate for the second time, and selecting 20-40 g/t of sodium humate for the third time;
collecting agents comprising butyl xanthate and Z-200 are added in rough concentration, primary scavenging, primary concentration and secondary concentration, a foaming agent is terpineol oil, and the using amount of the collecting agents per ton of raw ore is as follows:
adding 30-40 g/t of butyl xanthate, Z-20010-15 g/t and 15-20 g/t of pine oil in the roughing;
10-20 g/t of butyl xanthate, Z-2005-10 g/t and 5-10 g/t of pinitol oil are added in one-time sweeping;
2-5 g/t of butyl xanthate is carefully selected and added for the first time; and the secondary concentration does not need to add a flotation agent.
2. The beneficiation method for the high-sulfur copper-zinc ore by applying the sodium humate according to the claim 1, which is characterized in that: the butyl xanthate comprises: 30-40 parts of sodium butyl xanthate and 10-20 parts of O-isopropyl-N-ethyl thiourethane.
3. The beneficiation method for the high-sulfur copper-zinc ore by applying the sodium humate according to the claim 1, which is characterized in that: in the step (1), the lime is prepared into emulsion with the weight concentration of 10-15% and added.
4. The beneficiation method for the high-sulfur copper-zinc ore by using the sodium humate according to the claim 1, characterized by comprising the following steps: in the step (1), the sodium humate is prepared into a water solution with the weight concentration of 5-10% and added.
5. The beneficiation method for the high-sulfur copper-zinc ore by applying the sodium humate according to the claim 1, which is characterized in that: in step (2), the pinitol oil is added as a stock solution.
6. The beneficiation method for the high-sulfur copper-zinc ore by applying the sodium humate according to the claim 1, which is characterized in that: and (2) crushing and grinding the raw ore in the step (1) until ore particles with the diameter of less than 0.074mm account for 70-80%.
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101176862A (en) * | 2007-11-27 | 2008-05-14 | 中南大学 | Highly effective composite restrainer of ferro-sulphur ore in complex vulcanizing ore and method of use thereof |
| CN101549326A (en) * | 2009-05-15 | 2009-10-07 | 江西理工大学 | Technique for floatation separation of hard washing copper zinc sulfuration mine |
| CN101745458A (en) * | 2008-12-16 | 2010-06-23 | 北京有色金属研究总院 | Separation process for low-grade Cu-Pb-Zn complex multi-metal sulphide ore |
| CN102513217A (en) * | 2012-01-01 | 2012-06-27 | 广西冶金研究院 | Method for flotation separation of zinc and sulfur minerals |
| CN103691569A (en) * | 2013-12-11 | 2014-04-02 | 西北矿冶研究院 | Flotation method for high-sulfur gold-bearing copper ore |
| CN103894281A (en) * | 2012-12-28 | 2014-07-02 | 北京有色金属研究总院 | Flotation and metallurgy combined process for treatment of copper-zinc sulfide and zinc oxide mixed ores |
| CN109261368A (en) * | 2018-08-13 | 2019-01-25 | 昆明理工大学 | A kind of inhibitor and application method for magnetic iron ore |
| CN109701753A (en) * | 2019-01-03 | 2019-05-03 | 北京矿冶科技集团有限公司 | A kind of inhibitor and beneficiation method of high-sulfur hard-processing copper sulfur ores |
| CN111790527A (en) * | 2020-07-17 | 2020-10-20 | 厦门紫金矿冶技术有限公司 | Low-alkali separation method for high-sulfur copper-zinc ore |
-
2022
- 2022-03-22 CN CN202210281955.3A patent/CN114653468A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101176862A (en) * | 2007-11-27 | 2008-05-14 | 中南大学 | Highly effective composite restrainer of ferro-sulphur ore in complex vulcanizing ore and method of use thereof |
| CN101745458A (en) * | 2008-12-16 | 2010-06-23 | 北京有色金属研究总院 | Separation process for low-grade Cu-Pb-Zn complex multi-metal sulphide ore |
| CN101549326A (en) * | 2009-05-15 | 2009-10-07 | 江西理工大学 | Technique for floatation separation of hard washing copper zinc sulfuration mine |
| CN102513217A (en) * | 2012-01-01 | 2012-06-27 | 广西冶金研究院 | Method for flotation separation of zinc and sulfur minerals |
| CN103894281A (en) * | 2012-12-28 | 2014-07-02 | 北京有色金属研究总院 | Flotation and metallurgy combined process for treatment of copper-zinc sulfide and zinc oxide mixed ores |
| CN103691569A (en) * | 2013-12-11 | 2014-04-02 | 西北矿冶研究院 | Flotation method for high-sulfur gold-bearing copper ore |
| CN109261368A (en) * | 2018-08-13 | 2019-01-25 | 昆明理工大学 | A kind of inhibitor and application method for magnetic iron ore |
| CN109701753A (en) * | 2019-01-03 | 2019-05-03 | 北京矿冶科技集团有限公司 | A kind of inhibitor and beneficiation method of high-sulfur hard-processing copper sulfur ores |
| CN111790527A (en) * | 2020-07-17 | 2020-10-20 | 厦门紫金矿冶技术有限公司 | Low-alkali separation method for high-sulfur copper-zinc ore |
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