CN116393257A - Method for removing high-residue lead-antimony ore slurry residue and improving beneficiation efficiency - Google Patents
Method for removing high-residue lead-antimony ore slurry residue and improving beneficiation efficiency Download PDFInfo
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- CN116393257A CN116393257A CN202310086486.4A CN202310086486A CN116393257A CN 116393257 A CN116393257 A CN 116393257A CN 202310086486 A CN202310086486 A CN 202310086486A CN 116393257 A CN116393257 A CN 116393257A
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- lead
- antimony
- ore pulp
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- 229910052787 antimony Inorganic materials 0.000 title claims abstract description 81
- 238000000034 method Methods 0.000 title claims abstract description 30
- 239000002002 slurry Substances 0.000 title claims abstract description 14
- 230000018044 dehydration Effects 0.000 claims abstract description 21
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 21
- 239000003814 drug Substances 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000012141 concentrate Substances 0.000 claims abstract description 17
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000011084 recovery Methods 0.000 claims abstract description 14
- 239000003112 inhibitor Substances 0.000 claims abstract description 13
- 238000005188 flotation Methods 0.000 claims abstract description 10
- 239000002253 acid Substances 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims abstract description 7
- 239000011593 sulfur Substances 0.000 claims abstract description 6
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000007865 diluting Methods 0.000 claims abstract description 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 12
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 12
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims description 9
- TUZCOAQWCRRVIP-UHFFFAOYSA-N butoxymethanedithioic acid Chemical compound CCCCOC(S)=S TUZCOAQWCRRVIP-UHFFFAOYSA-N 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 6
- 235000010265 sodium sulphite Nutrition 0.000 claims description 6
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims description 6
- 229960001763 zinc sulfate Drugs 0.000 claims description 6
- 229910000368 zinc sulfate Inorganic materials 0.000 claims description 6
- YNTQKXBRXYIAHM-UHFFFAOYSA-N azanium;butanoate Chemical compound [NH4+].CCCC([O-])=O YNTQKXBRXYIAHM-UHFFFAOYSA-N 0.000 claims description 4
- 239000002562 thickening agent Substances 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- QQHJESKHUUVSIC-UHFFFAOYSA-N antimony lead Chemical compound [Sb].[Pb] QQHJESKHUUVSIC-UHFFFAOYSA-N 0.000 abstract 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 16
- 239000011707 mineral Substances 0.000 description 16
- 238000000926 separation method Methods 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910052973 jamesonite Inorganic materials 0.000 description 4
- 229940079593 drug Drugs 0.000 description 3
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- HQABUPZFAYXKJW-UHFFFAOYSA-O butylazanium Chemical compound CCCC[NH3+] HQABUPZFAYXKJW-UHFFFAOYSA-O 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- LAISNASYKAIAIK-UHFFFAOYSA-N [S].[As] Chemical compound [S].[As] LAISNASYKAIAIK-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- FTVVAESDJYIMNQ-UHFFFAOYSA-N antimony;sulfanylidenelead Chemical compound [Sb].[Pb]=S FTVVAESDJYIMNQ-UHFFFAOYSA-N 0.000 description 1
- 238000005262 decarbonization Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008396 flotation agent Substances 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 229910052683 pyrite Inorganic materials 0.000 description 1
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 1
- 239000011028 pyrite Substances 0.000 description 1
- 229910052952 pyrrhotite Inorganic materials 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 229910052950 sphalerite Inorganic materials 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- 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
- B03D1/00—Flotation
- B03D1/02—Froth-flotation processes
-
- 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
-
- 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
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/06—Depressants
-
- 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
Abstract
The invention relates to a method for removing high-residue lead-antimony ore slurry residue and improving beneficiation efficiency, which comprises the following steps: (1) Adding water into the lead-antimony ore pulp, stirring and diluting, adjusting the concentration of the lead-antimony ore pulp to 10%, and then carrying out primary concentration dehydration; (2) Adding concentrated sulfuric acid into the lead-antimony ore pulp after primary concentration and dehydration in the step (1), adding water to adjust the pH value of the ore pulp to 6, and cleaning residual medicament covered on the surface of the ore; (3) Adding water into the lead-antimony ore pulp washed by adding acid in the step (2) to dilute, and performing secondary concentration dehydration after adjusting the concentration of the lead-antimony ore pulp to 10%; (4) Adding inhibitor and collector to perform flotation dezincification and sulfur to obtain lead-antimony concentrate. The method has simple process, is easy to be applied to production practice, and can effectively improve recovery rate and concentrate grade in high-carbon sliming refractory antimony-lead ore recovery practice.
Description
Technical Field
The invention belongs to the technical field of mineral separation, and particularly relates to a method for improving mineral separation efficiency by removing high-residue lead-antimony ore slurry residue.
Background
Along with continuous depletion of lead-antimony mineral resources, high-grade, easy-to-collect and easy-to-select ore raw materials containing more than 10% of lead and antimony are exhausted, while low-grade, difficult-to-collect, iron-containing, sulfur-arsenic-containing and other impurities containing 0.30% or less of lead and antimony are high, surrounding rocks, ore pillars, old tailing secondary resources and the like with complex mineral components and high separation difficulty are gradually becoming important raw material sources in the lead-antimony mineral processing industry. The minerals responsible for the high and medium temperature hot liquids of jamesonite are commonly found in certain polymetallic deposits, such as cassiterite sulphide deposits and stibium ore deposits, often intergrown with pyrite, pyrrhotite and iron-containing sphalerite. The jamesonite is dispersed and endowed in polymetallic mineral deposits such as zinc and sulfur, the friable mud is serious, and the friable jamesonite is closely symbiotic with carbon mixed in minerals, so that the flotation is extremely difficult to separate. In the separation process of the antimonite, as the fragile mud is serious, the specific surface area of the ore particles is large, the amount of the adsorbent is large, the normal performance of the flotation process is destroyed, the subsequent separation and the grade improvement of the ore concentrate are difficult, and a large amount of the flotation agent is consumed.
At present, no specific method exists in the reagent for removing the residue of the lead-antimony ore pulp in the concentrating mill, and the steps of the recovery method of the brittle sulfur lead-antimony are that the reagent for removing the residue of the ore pulp by acid addition, water addition, concentration and dehydration is adopted to improve the concentrating efficiency.
The Chinese patent publication No. CN103464281A discloses a recovery method of high-carbon high-sulfur jamesonite, which comprises the following steps: (1) adding acid into ore pulp to make the ore pulp under weak acid condition, and cleaning the mineral mud covered on the surface of the mineral and residual medicament; (2) adding water and stirring to reduce the concentration of the ore pulp medicament; (3) concentrating ore pulp to remove the agent; (4) magnetic separation is carried out to remove magnetic minerals; (5) adding a foaming agent for flotation and decarbonization; (6) adding a dispersing agent and a collecting agent to float lead and antimony, and removing mineral mud; (7) adding inhibitor and collector to perform flotation dezincification to obtain lead-antimony concentrate.
Chinese patent publication No. CN103433149a discloses a flotation process for polymetallic sulphide ore with improved zinc index, in the technical scheme of the invention, dehydration and chemical removal treatment are carried out, 100% concentrated sulfuric acid of 450-550 g/t of raw ore is added, the agent on the surface of the mineral is cleaned, then water treatment is added for ore washing, ore pulp is concentrated and dehydrated, the weight concentration of the mixed concentrate is lower than 35%, and overflow is used as tailing treatment.
All the above patents have methods for removing the ore pulp residue and improving the ore dressing efficiency, but the method is to directly add sulfuric acid to the ore pulp to clean the residue medicament on the surface of the mineral, the additive dosage is too large, and the production cost is high.
Disclosure of Invention
Aiming at the problem of large lead-antimony ore slurry residue medicament in the multi-metal lead-antimony ore separation process in the prior art, the invention provides a method for removing high-residue lead-antimony ore slurry residue medicament and improving the ore dressing efficiency. The specific scheme is as follows:
a method for removing high-residue lead-antimony ore slurry residue to improve beneficiation efficiency comprises the following steps:
(1) Adding water into the lead-antimony ore pulp, stirring and diluting, adjusting the concentration of the lead-antimony ore pulp to 10%, and then carrying out primary concentration dehydration;
(2) Adding concentrated sulfuric acid into the lead-antimony ore pulp subjected to primary concentration and dehydration in the step (1), adding water to adjust the pH value of the ore pulp to 6, and cleaning residual medicament covered on the surface of the ore;
(3) Adding water into the lead-antimony ore pulp washed by adding acid in the step (2) to dilute, and performing secondary concentration dehydration after adjusting the concentration of the lead-antimony ore pulp to 10%;
(4) Adding an inhibitor and a collector into the lead-antimony ore pulp after secondary concentration and dehydration in the step (3) to carry out flotation dezincification and sulfur, thus obtaining lead-antimony concentrate.
And (3) concentrating and dehydrating in the step (1) by using a thickener, wherein the concentration of the lead-antimony ore pulp after primary concentrating and dehydrating is improved to 75-80%.
Further, the addition amount of the concentrated sulfuric acid in the step (2) is 350-400 g/t.
Further, the concentration of the lead-antimony ore pulp after secondary concentration and dehydration in the step (3) is improved to 75-80%.
Further, the addition amount of the inhibitor is 450-550 g/t, and the addition amount of the collector is 80-120 g/t.
Further, the inhibitor is a mixture of sodium carbonate, zinc sulfate and sodium sulfite, the weight ratio of the sodium carbonate to the zinc sulfate to the sodium sulfite is 1:6:6, the collector is a mixture of the ammonium butyrate and the butyl xanthate, and the weight ratio of the ammonium butyrate to the butyl xanthate is 2.5:1.
Further, the grade of the lead-antimony concentrate obtained in the step (4) is 43.8%, and the recovery rate of lead and antimony is 93.8%.
THE ADVANTAGES OF THE PRESENT INVENTION
(1) The method for removing the high-residue lead-antimony ore pulp residue and improving the ore dressing efficiency firstly adopts a physical method to remove most of the residue medicament, thereby reducing the volume of ore pulp; and sulfuric acid is added into the lead-antimony ore pulp by a chemical method to clean the surface of the ore pulp, so that the addition amount of the ore pulp sulfuric acid is reduced, the cost of the agent is reduced, overflow water removed by ore pulp concentration can be used as front-end operation replenishing water, ore liquor is recycled in a closed cycle, and the method is less in pollution discharge, environment-friendly and pollution-free. The method is simple and practical, and is easy to apply in production practice.
(2) The method of the invention is used for recovering lead-antimony minerals, and the pulp medicament removal rate reaches 95%. Through a flotation concentration process, the grade of the lead-antimony concentrate is 43.8%, the recovery rate of lead and antimony is 93.8%, the recovery rate of lead and antimony in the lead-antimony roughing concentrate is 71.4%, namely, the recovery rate of lead and antimony in the lead-antimony roughing concentrate is 93.8% multiplied by 71.4% = 66.97%, compared with the prior art, the grade of the lead and antimony concentrate is improved by 4.9 percentage points, the recovery rate is improved by 3.6 percentage points, and a good effect is achieved.
Drawings
Fig. 1 is a flow chart of the operation of the present invention.
Detailed Description
The invention is further illustrated and described below in conjunction with the drawings and specific embodiments, it being noted that the present specific embodiments are not intended to limit the scope of the claims.
Example 1
As shown in fig. 1, the method for removing the residual drug in the high-residual lead-antimony ore pulp and improving the beneficiation efficiency provided in the embodiment 1 comprises the following specific steps:
(1) Adding water into the lead-antimony ore pulp, stirring to reduce the concentration of the ore pulp medicament, adding water for dilution, adjusting the concentration of the lead-antimony ore pulp to 10%, continuously stirring to reduce the concentration of the ore pulp medicament, concentrating and dehydrating the lead-antimony ore pulp once by a thickener to remove part of residual medicament, and improving the concentration of the ore pulp to 75%;
(2) Adding concentrated sulfuric acid into the lead-antimony ore slurry subjected to primary concentration and dehydration in the step (1), wherein the adding amount of the concentrated sulfuric acid is 350g/t based on each ton of raw ore; adding water to adjust the pH value of the ore pulp to 6, and cleaning residual medicament covered on the surface of the minerals;
(3) Diluting and stirring the lead-antimony ore pulp subjected to acid cleaning in the step (2) by adding water to reduce the concentration of the ore pulp medicament, adjusting the concentration of the lead-antimony ore pulp to 10%, and then carrying out secondary concentration and dehydration on the lead-antimony ore pulp subjected to acid cleaning by adopting a thickener to remove part of residual medicament and improve the concentration of the lead-antimony ore pulp to 75%;
(4) Adding 500g/t of inhibitor and 100g/t of collector into the lead-antimony ore slurry subjected to secondary concentration and dehydration in the step (3) for flotation dezincification and sulfur, wherein the inhibitor is a mixture of sodium carbonate, zinc sulfate and sodium sulfite, the weight ratio of the sodium carbonate to the zinc sulfate to the sodium sulfite is 1:6:6, the collector is a mixture of a butylammonium black drug and a butylxanthate, the weight ratio of the butylammonium black drug to the butylxanthate is 2.5:1, and the inhibitor and the collector are based on each ton of raw ore to obtain lead-antimony ore.
Example 2:
as shown in fig. 1, this embodiment 2 differs from embodiment 1 in that: the concentration of the lead-antimony ore slurry in the step (1) reaches 80%, and the adding amount of the concentrated sulfuric acid in the step (2) is 360g/t; the addition amount of the inhibitor in the step (4) is 450g/t; the addition amount of the collecting agent is 80g/t.
Example 3:
as shown in fig. 1, this embodiment 3 differs from embodiment 1 in that: the concentration of the lead-antimony ore pulp after secondary concentration and dehydration in the step (3) reaches 80%, and the addition amount of the inhibitor in the step (4) is 550g/t; the amount of collector added was 120g/t.
The methods in examples 1 to 3 can effectively remove the residual quantity of the lead-antimony ore slurry, the removal rate reaches 95%, the grade of the lead-antimony concentrate is 43.8%, the recovery rate of lead-antimony is 93.8%, the recovery rate of lead-antimony in the lead-antimony roughing concentrate is 71.4%, namely, the recovery rate of lead-antimony in the lead-antimony roughing concentrate is 93.8% multiplied by 71.4% = 66.97%, the grade of the lead-antimony concentrate is improved by 4.9%, and the recovery rate is improved by 3.6%.
Claims (7)
1. The method for removing the high-residue lead-antimony ore slurry residue to improve the ore dressing efficiency is characterized by comprising the following steps of:
(1) Adding water into the lead-antimony ore pulp, stirring and diluting, adjusting the concentration of the lead-antimony ore pulp to 10%, and then carrying out primary concentration dehydration;
(2) Adding concentrated sulfuric acid into the lead-antimony ore pulp after primary concentration and dehydration in the step (1), adding water to adjust the pH value of the ore pulp to 6, and cleaning residual medicament covered on the surface of the ore;
(3) Adding water into the lead-antimony ore slurry cleaned by adding acid in the step (2), stirring and diluting to adjust the concentration of the lead-antimony ore slurry to 10%, and then carrying out secondary concentration and dehydration;
(4) Adding an inhibitor and a collector into the lead-antimony ore pulp after secondary concentration and dehydration in the step (3) to carry out flotation dezincification and sulfur, thus obtaining lead-antimony concentrate.
2. The method for removing high-residue lead-antimony ore pulp residue and improving beneficiation efficiency according to claim 1, wherein a thickener is adopted for concentration and dehydration in the step (1), and the concentration of the lead-antimony ore pulp after primary concentration and dehydration is improved to 75-80%.
3. The method for removing high-residue lead-antimony ore pulp residue and improving beneficiation efficiency according to claim 1, wherein the addition amount of concentrated sulfuric acid in the step (2) is 350-400 g/t.
4. The method for improving beneficiation efficiency by removing high-residue lead-antimony ore pulp residue according to claim 1, wherein the concentration of the lead-antimony ore pulp after secondary concentration and dehydration in the step (3) is improved to 75-80%.
5. The method for improving beneficiation efficiency by removing high-residue lead-antimony ore pulp residue according to claim 1, wherein the addition amount of the inhibitor is 450-550 g/t, and the addition amount of the collector is 80-120 g/t.
6. The method for improving beneficiation efficiency by removing high-residue lead-antimony ore pulp residue according to claim 1 or 5, wherein the inhibitor is a mixture of sodium carbonate, zinc sulfate and sodium sulfite, the weight ratio of the sodium carbonate to the zinc sulfate to the sodium sulfite is 1:6:6, the collector is a mixture of ammonium butyrate and butyl xanthate, and the weight ratio of the ammonium butyrate to the butyl xanthate is 2.5:1.
7. The method for improving beneficiation efficiency by removing high-residue lead-antimony ore pulp residue according to claim 1, wherein the grade of lead-antimony concentrate obtained in the step (4) is 43.8%, and the recovery rate of lead and antimony is 93.8%.
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CN202310086486.4A CN116393257A (en) | 2023-02-09 | 2023-02-09 | Method for removing high-residue lead-antimony ore slurry residue and improving beneficiation efficiency |
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