CN108704767A - A kind of composite restrainer and its in separation containing the application in molybdenum and other metal sulfides - Google Patents
A kind of composite restrainer and its in separation containing the application in molybdenum and other metal sulfides Download PDFInfo
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- CN108704767A CN108704767A CN201810497050.3A CN201810497050A CN108704767A CN 108704767 A CN108704767 A CN 108704767A CN 201810497050 A CN201810497050 A CN 201810497050A CN 108704767 A CN108704767 A CN 108704767A
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- molybdenum
- composite restrainer
- metal sulfides
- composite
- separation
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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
- 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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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention belongs to non-ferrous metal ore technical field, more particularly to a kind of composite restrainer and its separation containing the application in molybdenum and other metal sulfides.The present invention utilizes the synergistic effect of combination medicament, improves to mineral absorption, chelating, the effect inhibited, effectively inhibits the sulfide minerals such as bismuth-containing, lead, antimony.The inhibition that it is generated is more stronger than the effect that single inhibitor generates, and can make the separation of molybdenum and other metal sulfide ores selectivity, improves molybdenum concentrate floatation index.In floatation process, composite restrainer of the present invention can be directly added, and be conveniently operated.The composite restrainer developed of the present invention has safe to use, and dosage is low, and toxicity is low, and environmental protection does not influence the advantages that subsequent fine is elected to be industry, and the economic benefit for improving metals resources comprehensive reutilization and mine has very important significance.
Description
Technical field
The invention belongs to non-ferrous metal ore technical field, more particularly to a kind of composite restrainer and its separation containing molybdenum and
Application in other metal sulfides.
Background technology
Non-ferrous metal is important the raw material of industry, in electric appliance, light industry, transport, building industry, machine-building, national defense industry
Equal fields are using very extensive.Recently as the continuous development of national economy, the metals resources such as molybdenum, bismuth, copper, lead, antimony are needed
Ask growing day by day, at the same time China's metals resources are there are serious unbalanced supply-demand, and external dependence degree is high, import channel is single
The features such as.The degree of self-sufficiency for improving China's nonferrous metal resource, nonferrous metal property, which is kept rationally quickly developing, has weight
The strategic importance and economic implications wanted.
It is one of the problem of ore dressing circle is paid close attention to always that molybdenum is detached with sulphide mineral flotations such as copper, lead, bismuth, antimony, iron at present, by
It is usually close in the floatability of sulfide mineral, easily floating mineral are belonged to, therefore be generally difficult in production practice by each metal sulphur
Change mine to separate, to realize efficiently separating for molybdenum and other metal sulfides, how to select the flotation medicine with efficient inhibition
Agent is just particularly important.Domestic traditional ore-dressing technique is using inhibitor such as vulcanized sodium, cyanide, thioacetic acid, lime
The inhibition to sulfide minerals such as copper, lead, iron, bismuth, antimony is realized in high alkali systems.But high-alkali condition (the actual pH> of industrial production;
12) unfavorable to the flotation of part molybdenum ore object, cause the rate of recovery of molybdenum in molybdenum concntrate to reduce.It is especially high-alkali to low-grade complex spot
Lithotype koechlinite and be associated with noble metal Mo, Bi, Cu multi-metal sulfide comprehensive utilization it is very unfavorable, a large amount of gold, silver,
The valuable metal element of the associations such as molybdenum can be cannot get the effect of synthetical recovery in high-alkali inhibit into iron concentrate, cause mine
The decline of comprehensive benefit and the loss of noble metal.Also, high-alkali condition needs a large amount of vulcanized sodium, not only increases the direct life in mine
Cost is produced, and has a large amount of high alkali waste water to need to handle, prodigious harm is caused to environment.And cyanide and vulcanized sodium category
In toxic inhibitor, have to the life and health of ore dressing worker potentially hazardous.
The engineers and technicians in domestic and international mine have also realised that the defect of high-alkali flow and existing depressing agent, and
Corresponding research work is carried out, it would be desirable to a kind of stabilization, efficient, nontoxic inhibition are found under alkalescent or neutrallty condition
Agent, realization molybdenum are efficiently separated with other metal sulfide ores.Currently, in existing data of literatures, with hydrogen peroxide and
Gallic acid is that composite restrainer is rarely reported for Separation of Molybdenum and the technology of other metal sulfides.
Invention content
It is an object of the invention to propose regarding to the issue above it is a kind of can be used under alkalescent or neutrallty condition, Efficient Ring
Guarantor, source is wide, dosage is small, stability is good, can efficiently separate the composite restrainer of molybdenum and other metal sulfides.
A kind of composite restrainer of the present invention；The composite restrainer include hydrogen peroxide into and gallic acid.Hydrogen peroxide
Molecular formula is H2O2, gallic acid molecular formula is C7H6O5, hydrogen peroxide chemistry structural formula is as follows：
Gallic acid chemical structural formula is as follows：
A kind of composite restrainer of the present invention；Hydrogen peroxide in the composite restrainer, gallic acid mass ratio be 2~6:
8~4, it is preferably 5~6:4~5.
Preferably, a kind of composite restrainer of the present invention；The composite restrainer is molten by hydrogenperoxide steam generator, gallic acid
Liquid is constituted.
Preferably, a kind of composite restrainer of the present invention；Hydrogen peroxide and gallic acid can be in the composite restrainer
It is used in the form of any in pure solid, neat liquid, various concentration solution.
Preferably, a kind of composite restrainer of the present invention is being detached containing the application in molybdenum and other metal sulfides；In fact
The scheme of applying is：Using the mineral of sulfide and other metal sulfides simultaneously containing molybdenum as raw material, in floatation process, control is floating
It is 1~14 to select the pH value of system, preferably 6~10, further preferably 8~9；With hydrogen peroxide and gallic acid for other gold
Belong to sulphide flotation inhibitor, carries out the sulfide of FLOTATION SEPARATION molybdenum and other metal sulfides.
Preferably, a kind of composite restrainer of the present invention is being detached containing the application in molybdenum and other metal sulfides；；Its
The flotation for inhibiting other metal sulfides in floatation process achievees the purpose that Separation of Molybdenum and other metal sulfides.It is described other
Metal sulfide is selected from bismuthine, basobismutite, water chestnut bismuth mineral, copper bismuth mineral, square lead bismuth mineral, galena, cerussite, crocoite, brightness antimony
At least one of mine, dark red silver ore, zinckenite, jamesonite, boulangerite.
Preferably, a kind of composite restrainer of the present invention is being detached containing the application in molybdenum and other metal sulfides；；It is described
Composite restrainer can be used for roughing operation, selected operation, scan any flotation operation in operation.
Preferably, a kind of composite restrainer of the present invention is being detached containing the application in molybdenum and other metal sulfides；；It is described
Composite restrainer can be added separately in flotation pulp, be added in flotation pulp after can also mixing.
Preferably, a kind of composite restrainer of the present invention is being detached containing the application in molybdenum and other metal sulfides；It is described
Composite restrainer in roughing operation total amount ranges be 200~1500 g tons to mine, preferably 200-800 g tons to mine,
Further preferably 200-500 g tons are to mine, and less than range then there may be inhibition deficiency, mineral can not detach dosage；
The floatability that mineral can be then destroyed beyond this range, causes recovery rate of valuable metals to reduce.
Preferably, a kind of composite restrainer of the present invention is being detached containing the application in molybdenum and other metal sulfides；It is described
Composite restrainer total amount ranges in selected operation are 50~500 g tons to mine, preferably 50-300 g tons to mine, into one
Step preferably 50-150 g tons are to mine, and less than range then there may be inhibition deficiency, mineral can not detach dosage；Exceed
This range can then destroy the floatability of mineral, and recovery rate of valuable metals is caused to reduce.
Preferably, a kind of composite restrainer of the present invention is being detached containing the application in molybdenum and other metal sulfides；It is described
Composite restrainer total amount ranges in scanning operation are 50~300 g tons to mine, preferably 50-200 g tons to mine, into one
Step preferably 50-100 g tons are to mine, and less than range then there may be inhibition deficiency, mineral can not detach dosage；Exceed
This range can then destroy the floatability of mineral, and recovery rate of valuable metals is caused to reduce.
In ore dressing process, the control of the fineness of raw material, the dosage system and prior art relevant parameter of collecting agent, foaming agent
It can be consistent.
Hydrogen peroxide of the present invention, gallic acid etc. belong to commercially available conventional reagent.
The relatively current inhibitor for molybdenum and other metal sulfide FLOTATION SEPARATIONs, what technical solution of the present invention was brought
Advantageous effect：
(1) disclosed a kind of composite restrainer for Separation of Molybdenum and other metal sulfides of the invention is 8 in pH
The detached job that molybdenum and other metal sulfides are carried out under~9 ore pulp system, replaces high alkali systems, improves the efficiency of sorting.
(2) a kind of composite restrainer for Separation of Molybdenum and other metal sulfides disclosed in this invention can be answered widely
With flotation processes such as diffeential floatation, bulk flotation, Bulk flotations, have selectivity strong, dosing is small, regime of agent letter
It is single, the advantages of subsequent fine is elected to be industry is not influenced, production cost can be greatly lowered, improves Utilization Rate of Mineral Resources.Meanwhile it using
The inhibitor that the present invention is developed, moreover it is possible to simplification of flowsheet.
(3) a kind of molybdenum bismuth separation composite restrainer hydrogen peroxide+gallic acid disclosed in this invention is to stablize, is efficient, pacifying
Entirely, less toxic inhibitor, environmentally friendly, convenient for processing, and floatation process is stablized, and easily controllable, for improving metal money
The economic benefit in source comprehensive reutilization and mine has very important significance.
Description of the drawings
Fig. 1 is the mineral processing circuit figure that a kind of composite restrainer of the present invention is applied to molybdenum bismuth sulphide ore.
Specific implementation mode
Son is intended to further illustrate the content of present invention with reference to embodiments, the guarantor for the claim that is not intended to limit the present invention
Protect range.
Embodiment 1
1. raw mineral materials
Grade containing molybdenum is 0.9-1.0% in certain the molybdenum bismuth sulphide ore sorted, and bismuth grade is 0.4-0.5%, and molybdenum is mainly brightness
Molybdenum ore, bismuth are mainly bismuthine.
2. operating procedure and technical conditions are as follows：
1. roughing operation：A certain amount of koechlinite is weighed, it is 30~35% to be added with water to pulp density, and ore pulp is poured into conjunction
In suitable flotation cell, adjusting pH values of pulp is 8-9, and collecting agent diethyldithiocarbamate 300g/t, kerosene 50g/t, stirring 3 are added into flotation cell
~5 minutes, foaming agent 25g/t terpenic oils are added, stirring carries out molybdenum bismuth mixing roughing operation after 3 minutes, obtains mixed crude concentrate
And tailing, tailing obtain true tailings after 2 blank are scanned；
2. molybdenum bismuth detaches：Be added in mixed crude concentrate composite restrainer 500g/t of the present invention (wherein hydrogen peroxide,
The mass ratio of gallic acid is：5：5), stirring 2~after five minutes carry out molybdenum bismuth detached job；
3. molybdenum selected one：In the concentrate of molybdenum bismuth detached job be added 150g/t composite restrainer (wherein hydrogen peroxide,
The mass ratio of gallic acid is：5：5) it, stirs 3~5 minutes, then adds 20g/t kerosene, stirring 3~carry out molybdenum essence after five minutes
Select an operation；
4. molybdenum selected two：In the concentrate of the selected operation of molybdenum be added 50g/t composite restrainer (wherein hydrogen peroxide,
The mass ratio of gallic acid is：5：5) it, stirs 2~3 minutes, then adds the kerosene of 20g/t, stirring carries out molybdenum after 2~3 minutes
Selected two operation；
5. molybdenum selected three to six：The concentrate of selected two operation of molybdenum is stirred into the laggard selected operation of line blank in 2~3 minutes, essence
It is 3 times to select number, and final concentrate is molybdenum concntrate；
6. molybdenum scans one：It is added 15g/t kerosene simultaneously in the tailing of molybdenum bismuth detached job, stirs 2~3 minutes, then
Foaming agent 15g/t terpenic oils are added, stirring carries out molybdenum after 2~3 minutes and scans an operation；
7. molybdenum scans two to five：15g/t kerosene is added in the tailing that molybdenum scans an operation, stirring carries out after 2~3 minutes
Blank scans operation, and it is 3 times to scan number, and true tailings is bismuth concentrate；
8. the chats of selected section of selected section of molybdenum, bismuth flotation operation returns to last flotation operation successively.
Experimental result is as shown in table 1.
Embodiment 2
Other conditions are consistent with embodiment 1, the difference is that：Step 2. in, combination of the present invention is added and presses down
Preparation research on maximum utilized quantity 1500g/t (wherein hydrogen peroxide, gallic acid mass ratio be：5：5), step 3., 4. in be added this
The composite restrainer research on maximum utilized quantity 500g/t is invented, the results are shown in Table 1.
Embodiment 3
Other conditions are consistent with embodiment 1, the difference is that：Step 2. in, combination of the present invention is added and presses down
Preparation minimum amount 200g/t (wherein hydrogen peroxide, gallic acid mass ratio be：5：5), step 3., 4. in be added this hair
The bright composite restrainer minimum amount 50g/t, the results are shown in Table 1.
Comparative example 1
Other conditions are consistent with embodiment 1, the difference is that：In floatation process, only using gallic acid as inhibitor
(its dosage is equal to the amount of hydrogen peroxide+gallic acid in embodiment 1), the results are shown in Table 1.
Comparative example 2
Other conditions are consistent with embodiment 1, the difference is that：In floatation process, composite restrainer is detached in molybdenum bismuth
Dosing in operation is 3000g/t, and the results are shown in Table 1.
Comparative example 3
Other conditions are consistent with embodiment 1, the difference is that：In floatation process, composite restrainer is in selected section of molybdenum
One, two dosing is 1000g/t, and the results are shown in Table 1.
Comparative example 4
Other conditions are consistent with embodiment 1, the difference is that：In floatation process, combined with vulcanized sodium equivalent substitution
Inhibitor, the results are shown in Table 1.
1 flotation experiments result of table
By 1 experimental result of embodiment it is found that present invention gained inhibitor has good inhibiting effect to the sulphide ore of bismuth, fit
FLOTATION SEPARATION for sulphide ore containing molybdenum and other metal sulfides.Meanwhile by the experimental result of comparative example 1-3 it is found that this hair
The bright composite restrainer dosing range is not in institute's protection domain of the present invention or one-component medicament can not achieve pair
The inhibiting effect of the sulphide ores such as copper-lead iron bismuth antimony.By comparative example 4 it is found that inhibitor of the present invention can be realized than existing ore dressing skill
The better inhibition of inhibitor of molybdenum and other metal sulfides is used in art.
It should be noted that although an embodiment of the present invention has been shown and described, for the ordinary skill of this field
For personnel, it is possible to understand that can carry out a variety of changes to these embodiments without departing from the principles and spirit of the present invention
Change, modification, replacement and modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of composite restrainer；It is characterized in that：The composite restrainer includes hydrogen peroxide and gallic acid.
2. a kind of composite restrainer according to claim 1；It is characterized in that：Hydrogen peroxide in the composite restrainer,
The mass ratio of gallic acid is 2~6:8~4.
3. a kind of composite restrainer according to claim 2；It is characterized in that：Hydrogen peroxide in the composite restrainer,
The mass ratio of gallic acid is 5~6:4~5.
4. a kind of composite restrainer as described in claim 1-3 any one is in separation containing answering in molybdenum and other metal sulfides
With；It is characterized in that：Using the mineral of sulfide and other metal sulfides simultaneously containing molybdenum as raw material, in floatation process,
The pH value for controlling flotation system is 1~14；With hydrogen peroxide and gallic acid for other metal sulfide depressing agents, carry out
The sulfide of FLOTATION SEPARATION molybdenum and other metal sulfides.
5. a kind of composite restrainer is being detached containing the application in molybdenum and other metal sulfides according to claim 4；It is special
Sign is：In floatation process, the pH value of control system is 6~10.
6. a kind of composite restrainer according to claim 4 is in separation containing the application in molybdenum and other metal sulfides；Its
It is characterized in that：It inhibits the flotation of other metal sulfides in floatation process, reaches Separation of Molybdenum and other metal sulfides
Purpose；Other metal sulfides are selected from bismuthine, basobismutite, water chestnut bismuth mineral, copper bismuth mineral, square lead bismuth mineral, galena, zinc powder
At least one of mine, crocoite, stibnite, dark red silver ore, zinckenite, jamesonite, boulangerite.
7. a kind of composite restrainer according to claim 4 is in separation containing the application in molybdenum and other metal sulfides；Its
It is characterized in that：The composite restrainer is used for roughing operation, selected operation, scans at least one work flow in operation.
8. a kind of composite restrainer according to claim 4 is in separation containing the application in molybdenum and other metal sulfides；Its
It is characterized in that：The composite restrainer total amount ranges in roughing operation are 200~1500 g tons to mine.
9. a kind of composite restrainer according to claim 4 is in separation containing the application in molybdenum and other metal sulfides；Its
It is characterized in that：The composite restrainer total amount ranges in selected operation are 50~500 g tons to mine.
10. a kind of composite restrainer according to claim 4 is in separation containing the application in molybdenum and other metal sulfides；Its
It is characterized in that：The composite restrainer total amount ranges in scanning operation are 50~300 g tons to mine.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810497050.3A CN108704767B (en) | 2018-05-22 | 2018-05-22 | Combined inhibitor and application thereof in separation of molybdenum-containing and other metal sulfide ores |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810497050.3A CN108704767B (en) | 2018-05-22 | 2018-05-22 | Combined inhibitor and application thereof in separation of molybdenum-containing and other metal sulfide ores |
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| CN108704767A true CN108704767A (en) | 2018-10-26 |
| CN108704767B CN108704767B (en) | 2020-05-05 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110280385A (en) * | 2019-06-17 | 2019-09-27 | 江西大吉山钨业有限公司 | A kind of tungsten ore association molybdenum bismuth sulphide ore without cyanogen beneficiation method |
| CN112403685A (en) * | 2020-10-26 | 2021-02-26 | 中南大学 | Flotation method for talc-containing molybdenum-zinc ore |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3239461A (en) * | 1959-12-29 | 1966-03-08 | Sebba Felix | Ion flotation method |
| CN1365857A (en) * | 2001-01-18 | 2002-08-28 | 中南大学 | Ore dressing chemical prepared from tea leaf |
| CN105817342A (en) * | 2016-03-21 | 2016-08-03 | 中南大学 | Preparation method and application of non-molybdenum sulfide mineral flotation and separation inhibitor |
| CN106179766A (en) * | 2016-08-09 | 2016-12-07 | 北京矿冶研究总院 | Molybdenum-lead separation inhibitor and preparation method and application thereof |
| CN107309078A (en) * | 2017-08-16 | 2017-11-03 | 江西铜业股份有限公司 | A kind of copper-cobalt ore dressing method of the copper concentrate containing molybdenum |
-
2018
- 2018-05-22 CN CN201810497050.3A patent/CN108704767B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3239461A (en) * | 1959-12-29 | 1966-03-08 | Sebba Felix | Ion flotation method |
| CN1365857A (en) * | 2001-01-18 | 2002-08-28 | 中南大学 | Ore dressing chemical prepared from tea leaf |
| CN105817342A (en) * | 2016-03-21 | 2016-08-03 | 中南大学 | Preparation method and application of non-molybdenum sulfide mineral flotation and separation inhibitor |
| CN106179766A (en) * | 2016-08-09 | 2016-12-07 | 北京矿冶研究总院 | Molybdenum-lead separation inhibitor and preparation method and application thereof |
| CN107309078A (en) * | 2017-08-16 | 2017-11-03 | 江西铜业股份有限公司 | A kind of copper-cobalt ore dressing method of the copper concentrate containing molybdenum |
Non-Patent Citations (2)
| Title |
|---|
| 朱建光等: "《有机化学》", 30 November 1985 * |
| 郭琳: "焦性没食子酸对硫化矿物的抑制性能和作用机理", 《广西大学学报（自然科学版）》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110280385A (en) * | 2019-06-17 | 2019-09-27 | 江西大吉山钨业有限公司 | A kind of tungsten ore association molybdenum bismuth sulphide ore without cyanogen beneficiation method |
| CN112403685A (en) * | 2020-10-26 | 2021-02-26 | 中南大学 | Flotation method for talc-containing molybdenum-zinc ore |
| CN112403685B (en) * | 2020-10-26 | 2022-03-01 | 中南大学 | Flotation method for talc-containing molybdenum-zinc ore |
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