CN106861919B - A kind of tin-lead soldering collecting agent and its application - Google Patents
A kind of tin-lead soldering collecting agent and its application Download PDFInfo
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- CN106861919B CN106861919B CN201710297019.0A CN201710297019A CN106861919B CN 106861919 B CN106861919 B CN 106861919B CN 201710297019 A CN201710297019 A CN 201710297019A CN 106861919 B CN106861919 B CN 106861919B
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- cassiterite
- phosphoric acid
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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
- B03D1/014—Organic compounds containing phosphorus
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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
- B03D2203/00—Specified materials treated by the flotation agents; specified applications
- B03D2203/02—Ores
Abstract
The invention discloses one kind to be used for tin-lead soldering collecting agent and its application, belongs to flotation technology field.Tin-lead soldering collecting agent includes two phenoxy group phosphoric acid and/or benzyloxy phosphoric acid, is applied to the FLOTATION SEPARATION of cassiterite and gangue, compared with the existing collectors for cassiterite generally used, two phenoxy group phosphoric acid and benzyloxy phosphoric acid are obvious as collectors for cassiterite advantage：Room temperature is solvable, nontoxic, dosage is low, collecting ability is strong, selectivity is strong, and cassiterite can be realized in the case where pH is neutrallty condition and efficiently separate with quartzy, calcite.
Description
Technical field
The present invention relates to a kind of mineral floating collecting agents, and in particular to a kind of collecting agent for tin-lead soldering separation belongs to
In cassiterite mineral floating technical field.
Background technique
Tin is found and uses earliest in human being's production and live a kind of indispensable important meals and human history
One of metal, because it has many advantages, such as that fusing point is low, corrosion-resistant and malleable other metallicities, in all fields of national economy
It is widely used；Demand of the countries in the world to tin constantly increases at present, and the level of consumption of tin has become one National Industrial hair of measurement
Open up horizontal one of index.Cassiterite stanniferous 78.6% is the most important ore mineral of the most common tin mineral and tin.I
State's Tin Resources are abundant, and distributed areas are wide.Mainly based on primary deposit, wherein Associated Constituents are more.The main work of cassiterite preservation
Industry type：In cassiterite-Rare Metal Deposit, cassiterite and columbite, tantalite, beryl, calcite, quartzy symbiosis are close；
In residual slide rock sandy cofferdam, cassiterite and oxide mineral densification symbiosis；In cassiterite-Sulphide Ore, cassiterite and calcite, stone
The symbiosis such as English, wolframite, galena, pyrite, disseminated grain size are thin.Therefore, cassiterite and other mineral disaggregations are difficult, in technique often
Need fine grinding.Meanwhile cassiterite density is big, gravity treatment is traditional ore-dressing technique of cassiterite recycling, and the method is at low cost, environmentally friendly.
But cassiterite is crisp frangible, grinding process was easy to happen crushing, while with the passage of mining time, the tin in milling ore
Stone grain degree constantly attenuates, and when micro fine particle is recycled using reselecting method, the tin rate of recovery is low, and effective recycling lower limit grain of flotation
Degree is low compared with gravity treatment, becomes one of the important method that micro fine particle effectively recycles.In addition, often containing various oxidations in tin ore
Mineral, such as quartzy and calcite mineral presence directly affect the raising of Tin concentrate quality, can effectively be realized using flotation
The separation of cassiterite therewith.
The development of Flotation of Cassiterite collecting agent is the key that promote micro fine particle flotation development.Tin-lead soldering collecting agent is total
Up to as many as over one hundred kind, fatty acid, arsenic acid, alkyl sulfate, alkyl sulfosuccinamate and alkyl phosphorous acid can be divided into
Several major class such as ester (alkyl phosphoric acid).Fatty acid collecting agent collecting is cheap, nontoxic, collecting ability is strong, but to association gangue
Mineral quartz, calcite poor selectivity；Arsenic acid is selectively strong, but environmental pollution is serious, is detrimental to health；Alkylsurfuric acid
Salt is stronger to the collecting ability of cassiterite mineral, but such collecting agent is to Ca2+、Fe2+Sensitivity, and it is just effective only under acid condition,
It is difficult to realize industrial applications；Alkyl sulfosuccinamate collecting ability is very strong, less, cheap, the nontoxic nothing of dosage
Evil, it is short with mineral action time and preferable to coarse grain tin-lead soldering effect, but equally exist to quartz, calcite poor selectivity
The shortcomings that；It is worth it is emphasized that short-chain alkyl phosphite ester and short-chain alkyl phosphoric acid are isomers, existing report two
Person may be used to tin-lead soldering collecting, but the two is weaker to the collecting ability of cassiterite, need to add a large amount of activator
(heavy metal ion) is used cooperatively, and has not only been increased industrial cost but also has been caused environmental disruption.Although sub- by increasing short-chain alkyl
The carbochain of phosphate and short-chain alkyl phosphoric acid, can enhance the collecting ability of collecting agent to a certain extent, but its dissolubility
With selectivity again will be greatly reduced, and alkyl phosphite and alkyl phosphoric acid all exist it is extremely quick to iron, copper ion in ore pulp
The problem of sense, causes it to cannot be guaranteed the collecting ability of cassiterite and selectivity.
Summary of the invention
For in the prior art, short-chain alkyl phosphite ester and short-chain alkyl phosphoric acid class tin-lead soldering collecting agent are in flotation
Technical problem present in journey, the purpose of the invention is to provide a kind of energy to enhance the adsorption capacity to cassiterite mineral surfaces,
Cassiterite surface hydrophobic is improved, is caught with the phosphoric acid class tin-lead soldering for realizing that cassiterite is efficiently separated with gangue mineral quartz and calcite
Receive agent.
Another object of the present invention is to be to provide a kind of application of tin-lead soldering collecting agent, be applied to
Cassiterite mineral and quartz and the gangue minerals FLOTATION SEPARATION such as calcite, not only can collecting ability to cassiterite and selectively can
It is guaranteed, and is solved again to iron, copper ion sensitive issue in ore pulp.
In order to achieve the above technical purposes, the present invention provides a kind of tin-lead soldering collecting agents comprising two phenoxy group phosphorus
Acid and/or benzyloxy phosphoric acid.
Two phenoxy group phosphoric acid of the invention and benzyloxy phosphoric acid belong to the phosphate compound containing aromatic hydrocarbon.It is to cassiterite
The surface of mineral has stronger activation, on the one hand living by phosphorus, oxygen atom isopolarity functional group and cassiterite mineral surfaces
Property point-metallic element reacts, to be adsorbed on mineral surfaces；And the organic group of nonpolar moiety mainly rise it is thin
Water effect.The type of organic group plays an important role to the dissolubility of collecting agent, the selectivity of polar functional group.Such as use short carbon
When chain phosphoric acid is as collectors for cassiterite, poor selectivity, while needing to add plurality of heavy metal activator and being used cooperatively；Using long carbon
When chain phosphoric acid is as collectors for cassiterite, polar functional group phosphorus, the enhancing of oxygen atom electron supplying capacity cause the selectivity of collecting agent to drop
It is low, while the dissolubility of medicament in the solution is deteriorated.And the present patent application technical solution preferably contains the phosphorus of phenyl ring (or benzyloxy)
Acid is used as collectors for cassiterite, and compared to carbochain, phenyl ring is since there are pi bonds, the phosphorus, oxygen atom electron supplying capacity to polar functional group
It is weak, it not only ensure that collecting agent to the selectivity of target minreal cassiterite but also solved to iron, copper ion sensitive issue；Phenyl ring (or
Benzyloxy) introducing can't be substantially reduced the dissolubility of medicament, so allow to introduce more phenyl ring (or benzyloxy) enhancing
The collecting ability of medicament brings unexpected effect during tin-lead soldering.
The two phenoxy groups phosphoric acid has 1 structure of formula：
The benzyloxy phosphoric acid has 2 structure of formula：
The present invention also provides the application of the tin-lead soldering collecting agent described in one kind, it is applied to the floating of cassiterite and gangue
Choosing separation.
Preferred scheme, the gangue include calcite and/or quartz.
More preferably scheme is made using two phenoxy group phosphoric acid and/or benzyloxy phosphoric acid as collectors for cassiterite, terpinol
For foaming agent, plumbi nitras as activator, carboxymethyl cellulose and prodan as gangue inhibitor, to cassiterite crude ore pulp
Flotation is carried out, cassiterite concentrate is obtained.
Further preferred scheme, the flotation include roughing, scan with it is selected.
Preferred scheme, in rougher process, the pH for adjusting cassiterite crude ore pulp is 6~8, and plumbi nitras adds with respect to raw ore
It with respect to the additional amount of raw ore is 200~400g/t, two phenoxy groups that enter amount, which be 50~100g/t, carboxymethyl cellulose and prodan,
Phosphoric acid and/or benzyloxy phosphoric acid are 600~1000g/t with respect to the additional amount of raw ore, and terpinol is with respect to the additional amount of raw ore
50~100g/t.
Preferred scheme, during scanning, the additional amount of two phenoxy group phosphoric acid and/or benzyloxy phosphoric acid with respect to raw ore
For 300~500g/t, terpinol is 25~50g/t with respect to the additional amount of raw ore.
Preferred scheme, in refining process, carboxymethyl cellulose and prodan with respect to the additional amount of raw ore be 100~
200g/t。
The mass ratio of preferred scheme, carboxymethyl cellulose and prodan is 1:0.5~1.5.
Preferred scheme, the flotation include one roughing, scan for 2~3 times with 2~3 times it is selected.
The method that two phenoxy group phosphoric acid of the invention and benzyloxy phosphoric acid are applied to the FLOTATION SEPARATION of cassiterite and gangue has
Body includes the following steps：
1) tin-lead soldering slurry pH is adjusted to 6~8, successively adds activator, inhibitor, collecting agent and foaming agent, often
Stirring 3min adds down a kind of medicament again after kind medicament addition；Activator is 50~100g/t with respect to the additional amount of raw ore, is inhibited
Agent is 100~200g/t with respect to the additional amount of raw ore, and collecting agent is 600~1000g/t, foaming agent phase with respect to the additional amount of raw ore
Additional amount to raw ore is 50~100g/t；After the addition of whole medicaments, flotation of ventilating carries out roughing, obtain rough concentrate and
Thick tailing；
2) collecting agent and foaming agent is added in the thick tailing of gained, is scanned, obtains sweeping concentrate；Collecting agent is with respect to raw ore
Additional amount is 300~500g/t, and foaming agent is 25~50g/t with respect to the additional amount of raw ore；Number is scanned to be generally 2~3 times；
3) inhibitor is added in gained rough concentrate, progress is selected, obtains Tin concentrate；Inhibitor is with respect to the additional amount of raw ore
50~100g/t；Concentration times are 2~3 times.
In technical solution of the present invention, in mine floatation process, scavenger concentrate sequence is back to last flotation operation；It is selected
Chats sequence is back to last flotation operation.
In technical solution of the present invention, in mineral floating, it is 10~20% that plumbi nitras is made into mass percent concentration in advance
Aqueous solution is added, carboxymethyl cellulose and prodan be made into advance aqueous solution that mass percent concentration is 20~30% into
Row addition, two phenoxy group phosphoric acid or benzyloxy phosphoric acid are made into the aqueous solution that mass percent concentration is 5~10% in advance and are added
Add, the direct stoste addition of terpinol.
Compared with the prior art, technical solution of the present invention bring advantageous effects：
1) technical solution of the present invention is caught using the organic phosphorus acid compounds containing two phenyl ring as the flotation of cassiterite for the first time
Agent, relatively existing short-chain alkyl phosphite ester or short-chain alkyl phosphoric acid class collectors for cassiterite are received, not only to the collecting energy of cassiterite
Power and selectivity all increase, and solve to iron, copper ion sensitive issue in ore pulp.
2) the phosphorus acid collector containing two phenyl ring of the invention is strong to the collecting ability and selective power of cassiterite, can be realized
Cassiterite is efficiently separated with quartzy, calcite in composite ore flotation, and insensitive to iron, the copper in ore pulp.
3) the phosphorus acid collector containing two phenyl ring of the invention is nontoxic, environmentally protective, has fabulous water solubility, has
Conducive to dissolution of the medicament in ore pulp, is used in neutral environment, is suitable for industrial application,
Specific embodiment
Following embodiment is intended to further illustrate the content of present invention, but the protection scope of the claims in the present invention is not by these
The limitation of embodiment.
Embodiment 1
A kind of application of the phosphoric acid class tin-lead soldering collecting agent of the present embodiment in tin-lead soldering, specifically comprises the following steps：
(1) the preparation of cassiterite ore pulp：(mass ratio of cassiterite, quartz and calcite is 1 to the composite ore for being -74~+38 μm by granularity:2:2)
The distilled water 40mL of 2g sum is added in the hanging trough flotator of 60mL, is stirred and is sized mixing under 1600r/min revolving speed, and cassiterite mine is obtained
Slurry；(2) the control of cassiterite ore pulp is firstly added collecting agent (respectively two phenoxy group phosphoric acid and benzyloxy phosphoric acid) 7, is controlled
Collecting agent concentration processed is respectively 20mg/L, 40mg/L, 60mg/L, 80mg/L, 100mg/L), stir 3min；Add terpinol
Foaming agent (concentration 15mg/L) stirs 3min；After whole floating agents add, ventilate flotation, after flotation, obtained bubble
Tailing in foam product and flotation cell；(3) froth pulp and tailing are respectively dried, weighing calculates yield, that is, rate of recovery.Minal
Flotation results are as shown in table 1 below.As can be seen from the results, two kinds of phosphorus acid collectors separate cassiterite from quartz and Calcite by Flotation equal
It can have effect, and index is similar.When the concentration of collecting agent in ore pulp is within the scope of 60~80mg/L, the rate of recovery 84% of cassiterite
Left and right, cassiterite grade is 62% or more.Concentration is too low, and to will lead to the tin-lead soldering rate of recovery relatively low；Excessive concentration causes meaningless
Reagent consumption and quartz, the calcite rate of recovery are excessively high.
1. minal flotation experiments of table analyze result
Comparative example 1
The present embodiment JG-12 (dodecyl phosphite ester), JG-8 (octyl phosphite ester) collecting agent are in tin-lead soldering
Application, specifically comprise the following steps：(1) the preparation of cassiterite ore pulp：Composite ore (cassiterite, quartz for being -74~+38 μm by granularity
Mass ratio with calcite is 1:2:2) the distilled water 40mL of 2g sum is added in the hanging trough flotator of 60mL, in 1600r/min
Stirring is sized mixing under revolving speed, obtains cassiterite ore pulp；(2) the control of cassiterite ore pulp is firstly added collecting agent 7, control collecting agent is dense
Degree is respectively 20mg/L, 40mg/L, 60mg/L, 80mg/L, 100mg/L, stirs 3min；Add terpinol foaming agent (concentration
For 15mg/L), 3min is stirred；After whole floating agents add, flotation of ventilating, after flotation, obtained froth pulp and floating
Select the tailing in slot；(3) froth pulp and tailing are respectively dried, weighing calculates yield, that is, rate of recovery.Minal flotation results are such as
Shown in the following table 2.As can be seen from the results, alkyl phosphoric acid esters collecting agent to cassiterite collecting performance and selection poor performance, the two with
Floatation indicators all reach stable when amount is 80mg/L, and grade is about 50%, and the rate of recovery is only or less than 70% or so, much low
In the floatation indicators of two phenoxy group phosphoric acid and benzyloxy phosphoric acid.
2. minal flotation experiments of table analyze result
Embodiment 2
Raw mineral materials
Guangxi province cassiterite mountain plateau ore is taken, stanniferous amount is 0.35%
The total dosage of floating agent is：
Plumbi nitras：60g/t
Carboxymethyl cellulose：The selected 50g/t of roughing 100g/t
Prodan：The selected 50g/t of roughing 100g/t
Two phenoxy group phosphoric acid：Roughing 600g/t scans 300g/t
Terpinol：Roughing 50g/t scans 25g/t
Operating procedure and technical conditions are as follows：
In floatation process, after ore mill ore grinding to mineral monomer dissociation is added in ore, in slurry pH in 6~8 ranges
It is interior, it sequentially adds plumbi nitras and makees the activator, carboxymethyl cellulose and prodan of cassiterite as calcite and quartz vein stone ore
The inhibitor of object, two phenoxy group phosphoric acid make collecting agent and terpinol makees foaming agent and carries out roughing operation, obtain rough concentrate and thick tail
Mine, two phenoxy group phosphoric acid are added in thick tailing and terpinol is scanned, and scanning number is 2 times, and scavenger concentrate sequence is back to
Flotation operation.Inhibitor carboxymethyl cellulose and prodan is added in rough concentrate, and concentration times are 2 times, obtains Tin concentrate,
Selected chats sequence is back to last flotation operation.Under conditions of being 0.35% to mine tin grade, by one roughing two
It is secondary it is selected scan twice after, can be obtained stanniferous 24.17%, the Tin concentrate that the rate of recovery is 74.36%.
Comparative example 2
Raw mineral materials
Guangxi province cassiterite mountain plateau ore is taken, stanniferous amount is 0.35%
The total dosage of floating agent is：
Plumbi nitras：60g/t
Carboxymethyl cellulose：The selected 50g/t of roughing 100g/t
Prodan：The selected 50g/t of roughing 100g/t
JG-12 (1-isobutyl-3,5-dimethylhexylphosphoric acid)：Roughing 600g/t scans 300g/t
Terpinol：Roughing 50g/t scans 25g/t
Operating procedure and technical conditions are as follows：
In floatation process, after ore mill ore grinding to mineral monomer dissociation is added in ore, in slurry pH in 6~8 ranges
It is interior, it sequentially adds plumbi nitras and makees the activator, carboxymethyl cellulose and prodan of cassiterite as calcite and quartz vein stone ore
Inhibitor, the JG-12 (1-isobutyl-3,5-dimethylhexylphosphoric acid) of object make collecting agent and terpinol makees foaming agent and carries out roughing operation, obtain coarse-fine
Mine and thick tailing, JG-12 (1-isobutyl-3,5-dimethylhexylphosphoric acid) is added in thick tailing and terpinol is scanned, and scanning number is 2 times, scans
Concentrate sequence is back to last flotation operation.Inhibitor carboxymethyl cellulose and prodan, concentration times are added in rough concentrate
It is 2 times, obtains Tin concentrate, selected chats sequence is back to last flotation operation.In the condition for being 0.35% to mine tin grade
Under, by one roughing is selected twice scan twice after, can be obtained stanniferous 16.48%, the Tin concentrate that the rate of recovery is 62.70%,
Far below two phenoxy group phosphoric acid collecting agent floatation indicators.
Embodiment 3
Raw mineral materials
Yunnan Province's cassiterite mountain plateau ore is taken, stanniferous amount is 0.36%
The total dosage of floating agent is：
Plumbi nitras：100g/t
Carboxymethyl cellulose：The selected 100g/t of roughing 200g/t
Prodan：The selected 100g/t of roughing 200g/t
Benzyloxy phosphoric acid：Roughing 1000g/t scans 500g/t
Terpinol：Roughing 100g/t scans 50g/t
Operating procedure and technical conditions are as follows：
In floatation process, after ore mill ore grinding to mineral monomer dissociation is added in ore, in slurry pH in 6~8 ranges
It is interior, it sequentially adds plumbi nitras and makees the activator, carboxymethyl cellulose and prodan of cassiterite as calcite and quartz vein stone ore
Inhibitor, the benzyloxy phosphoric acid of object make collecting agent and terpinol makees foaming agent and carries out roughing operation, obtain rough concentrate and thick tail
Mine, benzyloxy phosphoric acid is added in thick tailing and terpinol is scanned, and scanning number is 3 times, and scavenger concentrate sequence is back to
Flotation operation.Inhibitor carboxymethyl cellulose and prodan is added in rough concentrate, and concentration times are 3 times, obtains Tin concentrate,
Selected chats sequence is back to last flotation operation.Under conditions of being 0.36% to mine tin grade, by one roughing three
It is secondary it is selected scan three times after, can be obtained stanniferous 30.18%, the Tin concentrate that the rate of recovery is 62.44%.
Comparative example 3
Raw mineral materials
Guangxi province cassiterite mountain plateau ore is taken, stanniferous amount is 0.35%
The total dosage of floating agent is：
Plumbi nitras：60g/t
Carboxymethyl cellulose：The selected 50g/t of roughing 100g/t
Prodan：The selected 50g/t of roughing 100g/t
JG-8 (octyl phosphate)：Roughing 600g/t scans 300g/t
Terpinol：Roughing 50g/t scans 25g/t
Operating procedure and technical conditions are as follows：
In floatation process, after ore mill ore grinding to mineral monomer dissociation is added in ore, in slurry pH in 6~8 ranges
It is interior, it sequentially adds plumbi nitras and makees the activator, carboxymethyl cellulose and prodan of cassiterite as calcite and quartz vein stone ore
Inhibitor, the JG-8 (octyl phosphate) of object make collecting agent and terpinol makees foaming agent and carries out roughing operation, obtain rough concentrate and
Thick tailing, JG-8 (octyl phosphate) is added in thick tailing and terpinol is scanned, and scanning number is 2 times, scavenger concentrate sequence
It is back to last flotation operation.Inhibitor carboxymethyl cellulose and prodan is added in rough concentrate, and concentration times are 2 times, obtains
Tin concentrate is obtained, selected chats sequence is back to last flotation operation.Under conditions of being 0.35% to mine tin grade, by one
Secondary roughing is selected twice scan twice after, can be obtained stanniferous 10.56%, the Tin concentrate that the rate of recovery is 54.19% is far below dibenzyl
Oxygroup phosphoric acid collecting agent floatation indicators.
Claims (7)
1. a kind of application of tin-lead soldering collecting agent, it is characterised in that：By two phenoxy group phosphoric acid and/or benzyloxy phosphoric acid application
In the FLOTATION SEPARATION of cassiterite and gangue.
2. the application of tin-lead soldering collecting agent according to claim 1, it is characterised in that：The gangue includes calcite
And/or quartz.
3. the application of tin-lead soldering collecting agent according to claim 1 or 2, it is characterised in that：Using two phenoxy group phosphoric acid
And/or benzyloxy phosphoric acid as collectors for cassiterite, terpinol as foaming agent, plumbi nitras as activator, carboxymethyl cellulose
Element and prodan carry out flotation to cassiterite crude ore pulp, obtain cassiterite concentrate as gangue inhibitor.
4. the application of tin-lead soldering collecting agent according to claim 3, it is characterised in that：The flotation include roughing,
Scan with it is selected.
5. the application of tin-lead soldering collecting agent according to claim 4, it is characterised in that：
In rougher process, the pH for adjusting cassiterite crude ore pulp is 6~8, and plumbi nitras is 50~100g/t with respect to the additional amount of raw ore,
Carboxymethyl cellulose and prodan are 200~400g/t, two phenoxy group phosphoric acid and/or benzyloxy with respect to the additional amount of raw ore
Phosphoric acid is 600~1000g/t with respect to the additional amount of raw ore, and terpinol is 50~100g/t with respect to the additional amount of raw ore；
During scanning, two phenoxy group phosphoric acid and/or benzyloxy phosphoric acid are 300~500g/t, pine with respect to the additional amount of raw ore
Oleyl alcohol is 25~50g/t with respect to the additional amount of raw ore；
In refining process, carboxymethyl cellulose and prodan are 100~200g/t with respect to the additional amount of raw ore.
6. the application of tin-lead soldering collecting agent according to claim 5, it is characterised in that：Carboxymethyl cellulose and fluosilicic acid
The mass ratio of sodium is 1:0.5~1.5.
7. the application of tin-lead soldering collecting agent according to claim 4 or 5, it is characterised in that：The flotation includes one
Secondary roughing, scan for 2~3 times with 2~3 times it is selected.
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| CN108554644B (en) * | 2018-01-12 | 2019-11-22 | 东北大学 | A kind of tin-lead soldering collecting agent and preparation method thereof |
| CN108623627B (en) * | 2018-07-03 | 2019-07-09 | 中南大学 | A kind of preparation method and application of styryl phosphonate monoester |
| CN110038727B (en) * | 2019-04-19 | 2021-12-17 | 北京矿冶科技集团有限公司 | Separation method of scheelite and stannic oxide bulk concentrates |
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| SU1645024A1 (en) * | 1989-05-31 | 1991-04-30 | Казахский государственный университет им.С.М.Кирова | Flotation of rare metal and tin ores |
| JP5037393B2 (en) * | 2008-03-12 | 2012-09-26 | 富士フイルム株式会社 | Metal oxide fine particle dispersion and molded body |
| CN101884951B (en) * | 2010-06-23 | 2012-11-28 | 广西华锡集团股份有限公司车河选矿厂 | Combined mineral dressing technology of fine grain and micro grain cassiterite |
| CN103551245B (en) * | 2013-11-25 | 2015-09-30 | 长沙有色冶金设计研究院有限公司 | Complex multi-metal micro fine particle sulphide ore is carried out to the beneficiation method of synthetical recovery |
| CN104624389B (en) * | 2015-01-09 | 2017-09-15 | 临武县南方矿业有限责任公司 | A kind of gravity tailings tin-lead soldering method |
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