CN106583056A - Depressing agent for floating lead and depressing zinc - Google Patents
Depressing agent for floating lead and depressing zinc Download PDFInfo
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- CN106583056A CN106583056A CN201710012840.3A CN201710012840A CN106583056A CN 106583056 A CN106583056 A CN 106583056A CN 201710012840 A CN201710012840 A CN 201710012840A CN 106583056 A CN106583056 A CN 106583056A
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- Prior art keywords
- zinc
- lead
- depressing
- calx
- sodium
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- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 239000011701 zinc Substances 0.000 title claims abstract description 34
- 229910052725 zinc Inorganic materials 0.000 title claims abstract description 34
- 239000003795 chemical substances by application Substances 0.000 title abstract description 9
- 230000000881 depressing effect Effects 0.000 title abstract 8
- 239000001509 sodium citrate Substances 0.000 claims abstract description 19
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 claims abstract description 19
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 claims abstract description 18
- 229940048086 sodium pyrophosphate Drugs 0.000 claims abstract description 18
- 235000019818 tetrasodium diphosphate Nutrition 0.000 claims abstract description 18
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims abstract description 18
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 9
- 239000011707 mineral Substances 0.000 claims abstract description 9
- JQJCSZOEVBFDKO-UHFFFAOYSA-N lead zinc Chemical compound [Zn].[Pb] JQJCSZOEVBFDKO-UHFFFAOYSA-N 0.000 claims abstract description 8
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 36
- 239000003112 inhibitor Substances 0.000 claims description 21
- 238000005188 flotation Methods 0.000 claims description 16
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 14
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 9
- 239000000292 calcium oxide Substances 0.000 claims description 8
- 235000012255 calcium oxide Nutrition 0.000 claims description 8
- 235000010755 mineral Nutrition 0.000 claims description 8
- 239000000395 magnesium oxide Substances 0.000 claims description 7
- 230000001629 suppression Effects 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 150000002739 metals Chemical class 0.000 claims description 2
- 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 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- 239000011734 sodium Substances 0.000 claims 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 abstract description 5
- 235000011941 Tilia x europaea Nutrition 0.000 abstract description 5
- 239000004571 lime Substances 0.000 abstract description 5
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 3
- 235000011083 sodium citrates Nutrition 0.000 abstract 1
- 238000003756 stirring Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 9
- TUZCOAQWCRRVIP-UHFFFAOYSA-N butoxymethanedithioic acid Chemical compound CCCCOC(S)=S TUZCOAQWCRRVIP-UHFFFAOYSA-N 0.000 description 6
- 239000012141 concentrate Substances 0.000 description 6
- 229910020218 Pb—Zn Inorganic materials 0.000 description 5
- 238000003912 environmental pollution Methods 0.000 description 5
- 229910052950 sphalerite Inorganic materials 0.000 description 5
- 239000003513 alkali Substances 0.000 description 4
- 239000004088 foaming agent Substances 0.000 description 4
- 238000006213 oxygenation reaction Methods 0.000 description 4
- 238000010926 purge Methods 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000006071 cream Substances 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910021532 Calcite Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 239000012190 activator Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 229910000365 copper sulfate Inorganic materials 0.000 description 2
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052949 galena Inorganic materials 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- XCAUINMIESBTBL-UHFFFAOYSA-N lead(ii) sulfide Chemical compound [Pb]=S XCAUINMIESBTBL-UHFFFAOYSA-N 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 2
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 description 2
- 229910052683 pyrite Inorganic materials 0.000 description 2
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 2
- 239000011028 pyrite Substances 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- WGPCGCOKHWGKJJ-UHFFFAOYSA-N sulfanylidenezinc Chemical compound [Zn]=S WGPCGCOKHWGKJJ-UHFFFAOYSA-N 0.000 description 2
- -1 zinc salt sulfide Chemical class 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- SOCTUWSJJQCPFX-UHFFFAOYSA-N dichromate(2-) Chemical compound [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O SOCTUWSJJQCPFX-UHFFFAOYSA-N 0.000 description 1
- 229940116901 diethyldithiocarbamate Drugs 0.000 description 1
- LMBWSYZSUOEYSN-UHFFFAOYSA-N diethyldithiocarbamic acid Chemical compound CCN(CC)C(S)=S LMBWSYZSUOEYSN-UHFFFAOYSA-N 0.000 description 1
- PQTCMBYFWMFIGM-UHFFFAOYSA-N gold silver Chemical compound [Ag].[Au] PQTCMBYFWMFIGM-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- MNWBNISUBARLIT-UHFFFAOYSA-N sodium cyanide Chemical compound [Na+].N#[C-] MNWBNISUBARLIT-UHFFFAOYSA-N 0.000 description 1
- 229910052979 sodium sulfide Inorganic materials 0.000 description 1
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 1
- 229910000368 zinc sulfate Inorganic materials 0.000 description 1
- 229960001763 zinc sulfate Drugs 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
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/004—Organic compounds
- B03D1/014—Organic compounds containing phosphorus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/004—Organic compounds
- B03D1/008—Organic compounds containing oxygen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/06—Depressants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2203/00—Specified materials treated by the flotation agents; specified applications
- B03D2203/02—Ores
Abstract
The invention discloses a depressing agent for floating lead and depressing zinc. The depressing agent for floating the lead and depressing the zinc consists of lime, sodium pyrophosphate and sodium citrate; the adding amount of the lime is to adjust the pH to be 6 to 11; the total adding amount of the sodium pyrophosphate and the sodium citrate is 500 to 3,000 g/ton mineral; the sodium pyrophosphate and the sodium citrate are in the mass ratio of 1:8 to 8:1. A combination depressing agent disclosed by the invention can be widely adapted to a lead-zinc separating prior flow and a mixing flow; the depressing agent has the characteristics of high selectivity, wide pH value application range, small using amount, simple reagent regime and low environment pollution.
Description
Technical field
The invention belongs to technical field of beneficiation, more particularly to a kind of floating lead suppression zinc inhibitor.
Technical background
With the continuous development of mineral industry, high-quality resource increasingly depleted, ore properties constantly " lean, thin, miscellaneous, scattered " change and
Society to mine safety, environment, resource pay attention to day by day, exacerbate technique of preparing innovation demand.Research and exploitation complicated difficult
The ore-dressing technique and technology for selecting Pb-Zn deposits advanced all has to improving the economic benefit of resource utilization and mine, reducing environmental pollution
It is of great significance.
Pb-Zn separation mainly adopts dichromate titration, cyanide process, high-alkali zinc salt sulfide method at present.The potassium dichromate side of being
Lead ore inhibitor, Cyanogran. is the inhibitor of sphalerite, and two kinds of medicaments have selectivity good, the characteristics of consumption is few, but its high poison
With determine to be eliminated replacement the characteristics of high environmental pollution.High-alkali zinc salt sulfide is the important achievement of cyanogen dechromation technology,
It is, under the conditions of high-alkali high free calcium, suppression to be combined with sodium sulfide, sulfur dioxide, sodium sulfite and the like using zinc sulfate
The method of sphalerite, floating selecting square lead ore, has extensive use at present, but its shortcoming is also completely exposed, on the one hand this kind of medicament
Rejection ability is poor, consumption is big, and reagent cost is high；Next bad adaptability, the deactivation effect to activating sphalerite are poor, separate product
Mutually containing height；Furthermore need higher ph, generally more than 10, condition is sorted the floatability difference of two kinds of mineral, deterioration is reduced
Meanwhile, the problems such as the larger Calx of addition causes pipeline scale, ore dressing backwater is using difficult；The normal companion of last lead-zinc metallogenic belt
There are the noble metals such as gold silver, it is high-alkali which is caused to suppress, cause the waste of resource.Therefore, lead-zinc metallogenic belt flotation is to low toxicity, nothing
Environmental pollution, selectivity are good, adaptable medicament demand is strong, and the collaboration of inorganic inhibitor and organic inhibitor suppresses effect
This is tackled there is provided a direction.
The content of the invention
It is an object of the invention to provide a kind of floating lead presses down zinc inhibitor, that what is can mentioned in preferably solving background technology asks
Topic.
A kind of floating lead of the present invention presses down zinc inhibitor, is made up of Calx, sodium pyrophosphate and sodium citrate.
Further, Calx be calcareous quick lime, calcareous Calx, magnesia quick lime, the one kind in magnesia Calx or
Several, before making an addition to sodium pyrophosphate and sodium citrate, it is 6 ~ 11 that addition makes pH.
Further, in inhibitor, sodium pyrophosphate and sodium citrate mass ratio are 1:8~8:1, sodium pyrophosphate and sodium citrate
Total addition level is 500-3000g/ ton mineral, can be taken up in order of priority addition with two kinds of materials, it is also possible to while addition.
Further, in inhibitor, sodium citrate can be by citric acid and sodium hydroxide in molar ratio about 1:3 prepare replacement
Addition.
During the floating lead suppression zinc inhibitor is widely used in the floating lead suppression zinc flotation of many metals of lead zinc, diffeential floatation is floating with mixing
Choosing, with selectivity it is strong, using pH scopes it is wide, consumption is little, regime of agent is simple, environmental pollution is little the features such as.
Specific embodiment
Technical scheme is further illustrated with reference to specific embodiment.
Calx is configured to lime cream or pulverized limestone directly adds in use, and lead zinc selective flotation flowsheet can be with stone
Grey breast or pulverized limestone are added to grinding machine, it is also possible to be added in ore milling product with lime cream form and sized mixing；In lead zinc bulk flotation
Bulk concentrate is added to lime cream separates and roughly select and size mixing.Sodium pyrophosphate and sodium citrate can be configured to aqueous solution individually or together
Addition.
Embodiment 1
Test Ore adopts certain Pb-Zn deposits raw ore, lead grade 1.15%, oxygenation efficiency 13.68%, zinc grade 6.45%, oxygenation efficiency
3.37%.Gold in Ores belongs to mineral and is mainly pyrite, sphalerite, galena, and gangue mineral is based on quartz, calcite etc..
Using first process flow process, after raw ore ore grinding, lead circulation Jing one roughings, triple cleaning and once purging selection output lead
Concentrate, Zinc form Jing one roughings, selected twice and once purging selection output zinc concentrate and mine tailing, experimental condition are as follows：
Lead is circulated：
Mog：- 0.074um accounts for 80%；
Lead is roughly selected：Regulator Calx（The mixture of calcareous quick lime, magnesia quick lime）6000g/t, adjusts pH=11, is added to
Ball mill；
Zinc sulfur inhibitor：Sodium pyrophosphate 300g/t, sodium citrate 300g/t, stir 3min；
Lead collecting agent：D421 30g/t, stirs 3min；
Foaming agent：2#Oily 18g/t；
Flotation time：5min；
Lead is selected：Selected I：Sodium pyrophosphate 100g/t, sodium citrate 100g/t, stir 3min；Flotation time 4min；Selected II is smart
III is selected to be blank selected；
Lead is scanned：D421：10g/t, stirs 2min；Flotation time：3min.
Zinc form：
Zinc is roughly selected：Regulator Calx 1000g/t, adjusts pH=10, stirs 3min；
Zinc activator：Copper sulfate 300g/t, stirs 3min；
Zinc collector：Butyl xanthate 80g/t, stirs 2min；
Foaming agent：2#Oily 20g/t；
Zinc is selected：Blank is selected twice；
Zinc is scanned：Butyl xanthate 24g/t, flotation time 3min.
Result of the test is shown in Table 1.
1 embodiment of table, 1 result of the test
。
Embodiment 2
Test Ore adopts Gansu Pb-Zn deposits raw ore, lead grade 3.87%, oxygenation efficiency 8.67%, zinc grade 2.14%, oxygenation efficiency
15.12%.Gold in Ores belongs to mineral based on pyrite, magnetic iron ore, sphalerite, is secondly galena, Chalkopyrite etc., stone-like pulse
Mineral are based on quartz, calcite etc..
Using first process flow process, after raw ore ore grinding, lead circulation Jing one roughings, triple cleaning and once purging selection output lead
Concentrate, Zinc form Jing one roughings, selected twice and once purging selection output zinc concentrate and mine tailing, experimental condition are as follows：
Lead is circulated：
Mog：- 0.074um accounts for 85%；
Lead is roughly selected：Regulator Calx（Calcareous quick lime, calcareous Calx, magnesia quick lime, the mixture of magnesia Calx）
4000g/t, adjusts pH=11, is added to ball mill；
Zinc sulfur inhibitor：Sodium pyrophosphate 1500g/t, sodium citrate 200g/t, stir 3min；
Lead collecting agent：Diethyldithiocarbamate 10g/t, butyl xanthate 35g/t, stir 3min；
Foaming agent：2#Oily 15g/t；
Flotation time：5min；
Lead is selected：Selected I：Sodium pyrophosphate 150g/t, sodium citrate 20g/t, stir 3min；Flotation time 4min；Selected II is smart
III is selected to be blank selected；
Lead is scanned：Butyl xanthate：10g/t, 2#Oil：5g/t, stirs 2min, flotation time：3min.
Zinc form：
Zinc is roughly selected：Regulator Calx 500g/t, adjusts pH=10, stirs 3min；
Zinc activator：Copper sulfate 200g/t, stirs 3min；
Zinc collector：Butyl xanthate 70g/t, stirs 2min；
Foaming agent：2#Oily 20g/t；
Zinc is selected：Blank is selected twice；
Zinc is scanned：Butyl xanthate 30g/t, flotation time 3min.
Result of the test is shown in Table 2.
2 embodiment of table, 2 result of the test
。
Embodiment 3
Test sample ore is taken in Gansu Pb-Zn deposits mixture length produced on-site lead and zinc bulk concentrate.Wherein lead grade 39.25%,
Zinc grade 2.95.Experimental condition is as follows：
Reagent removal：Activated carbon 200g/t, stirs 5min.
Size mixing：Calx（Calcareous Calx）300g/t, pH=8；
Sodium pyrophosphate 300g/t, sodium citrate 2000g/t, stir 3min；
D421：3g/t；
Flotation time 7min.
Closed-circuit test the results are shown in Table 3.
3 embodiment of table, 3 result of the test
Illustrated by embodiment, the inhibitor being made up of Calx, sodium pyrophosphate and citric acid is separated to lead-zinc polymetallic sulfide ore
Floating lead suppression zinc has selectivity good, adapts to the features such as pH value range is wide, and consumption is few, regime of agent is simple, environmental pollution is little.
Claims (7)
1. a kind of floating lead presses down zinc inhibitor, is made up of Calx, sodium pyrophosphate and sodium citrate.
2. floating lead according to claim 1 presses down zinc inhibitor, it is characterised in that first add Calx make ore dressing system pH for 6 ~
11, then add sodium pyrophosphate and sodium citrate.
3. floating lead according to claim 1 presses down zinc inhibitor, it is characterised in that the Calx is calcareous quick lime, calcareous
One or more in Calx, magnesia quick lime, magnesia Calx.
4. floating lead according to claim 1 presses down zinc inhibitor, it is characterised in that sodium pyrophosphate and sodium citrate total addition level
For 500-3000g/ ton mineral.
5. floating lead according to claim 1 presses down zinc inhibitor, it is characterised in that sodium pyrophosphate and sodium citrate mass ratio are
1:8~8:1。
6. floating lead according to claim 1 presses down zinc inhibitor, it is characterised in that sodium citrate can be by citric acid and hydrogen-oxygen
It is 1 in molar ratio to change sodium:3 prepare replacement.
7. the floating lead suppression zinc inhibitor described in claim 1 to 6 any one is used for excellent in the floating lead suppression zinc flotation of many metals of lead zinc
First flotation or bulk flotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710012840.3A CN106583056A (en) | 2017-01-09 | 2017-01-09 | Depressing agent for floating lead and depressing zinc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710012840.3A CN106583056A (en) | 2017-01-09 | 2017-01-09 | Depressing agent for floating lead and depressing zinc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106583056A true CN106583056A (en) | 2017-04-26 |
Family
ID=58582506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710012840.3A Pending CN106583056A (en) | 2017-01-09 | 2017-01-09 | Depressing agent for floating lead and depressing zinc |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112371348A (en) * | 2020-12-15 | 2021-02-19 | 武汉工程大学 | Lead-zinc sulfide ore flotation separation inhibitor and application method thereof |
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-
2017
- 2017-01-09 CN CN201710012840.3A patent/CN106583056A/en active Pending
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|---|---|---|---|---|
| GB1405319A (en) * | 1972-07-28 | 1975-09-10 | Dead Sea Works Ltd | Process for the recovery of potassium chloride from its mixtures with sodium chloride |
| US4772382A (en) * | 1986-09-05 | 1988-09-20 | Falconbridge Limited | Froth flotation of bastnaesite |
| CN1198963A (en) * | 1998-06-09 | 1998-11-18 | 北京矿冶研究总院 | Flotation method for copper-nickel sulfide ore |
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