CN105817341A - Application of hydroxyethyl starch ether to fluorite ore flotation - Google Patents
Application of hydroxyethyl starch ether to fluorite ore flotation Download PDFInfo
- Publication number
- CN105817341A CN105817341A CN201610157081.5A CN201610157081A CN105817341A CN 105817341 A CN105817341 A CN 105817341A CN 201610157081 A CN201610157081 A CN 201610157081A CN 105817341 A CN105817341 A CN 105817341A
- Authority
- CN
- China
- Prior art keywords
- fluorite
- flotation
- ore
- barite
- calcite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
- B03D1/016—Macromolecular 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
- 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
- B03D2203/04—Non-sulfide ores
Landscapes
- Paper (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention relates to beneficiation and flotation technologies, in particular to application of hydroxyethyl starch ether to fluorite ore flotation. A flotation method for fluorite ores includes the following steps that the fluorite ores containing barite and calcite minerals are ground, fed into a flotation machine and stirred for pulp conditioning; then the pH of ore pulp is adjusted to be larger than or equal to 7 through HCl or NaOH or Na2CO3 and stirring is performed; hydroxyethyl starch ether inhibitor is added, the effect that the concentration of the inhibitor is 20-200 mg/L is ensured, and stirring is performed for two to five minutes; and finally, a collecting agent of sodium oleate is added with the use amount being 20-400 mg/L, and inflation and bubble scraping are performed. The hydroxyethyl starch ether has good ability to inhibit the barite and the calcite and has the advantages of environment friendliness, wide source, low price, obvious effects and the like.
Description
Technical field
The present invention relates to ore dressing flotation technology, particularly relate to the application in fluorite flotation of a kind of bydroxyethyl starch ether.
Background technology
China's fluorite resource mainly has unitary type fluorite deposit (point), and how but reserves are little, companion's (be total to) raw type mineral deposit (point) number less and reserves are big, association reserves substantially exceed the reserves of unitary type, lean ore is many, rich ore is few, and difficult ore dressing is many, and easy ore dressing is few.Therefore, above many reasons causes China's fluorite resource whole development producing level low.
The difficult point of fluorite is efficiently separating of fluorite and quartz, calcite, barite and multi-metallic minerals for a long time, and this is similar mainly due to fluorite, calcite, quartz, barite Surface Physical Chemistry character.In many metals Associated Fluorite ore deposit, fluorite is then affected significantly by medicament, such as, white tungsten floatation process typically need to add substantial amounts of waterglass the gangue minerals such as fluorite are carried out strong inhibition, fluorite mineral in floating Tungsten tailing are caused to be strongly inhibited so that the raw fluorite ore of major part companion (being total to) is not utilized effectively.Therefore, solve floating agent problem and become a big emphasis of fluorite.
So-called starch ether,-the OH referred in starch molecular structure reacts amylogenic substituent group ether with active substance, mainly include hydroxyalkyl starch ether, carboxyalkyl starch ether, alkyl starches ether, unsaturated alkyl starch ether and cationic starch etc., ethers starch product viscosity stability is good, it is widely used in the fields such as papermaking, water process, weaving, medicine, detergent, but yet there are no its application report at mineral floating pharmaceutical arts.
Summary of the invention
It is an object of the invention to provide the application in fluorite flotation of a kind of bydroxyethyl starch ether, fluorite flotation concentrate quality difference and the problem such as efficient recovery rate is relatively low is selected for complicated difficults such as current calcite type, barite types, the depressing agent bydroxyethyl starch ether of the present invention can suppress the flotation of the gangue mineral such as calcite and barite, significantly improve the mineral such as fluorite and calcite, the separating effect of barite, solve fluorite and separate the problem of difficulty with calcite, barite gangue mineral it can also be used to calcite, the suppression of barite mineral in other floatation process.
Technical scheme:
The application in fluorite flotation of a kind of bydroxyethyl starch ether, calcite, barite can effectively be suppressed in the floatation process of fluorite ore Ore by it.
The method for floating of a kind of fluorite ore, comprises the following steps: will grind containing the fluorite ore Ore of barite, calcite mineral, feeds in flotation device and stirs and sizes mixing, then with HCl, NaOH or Na2CO3Regulation pH values of pulp >=7 are also stirred, then add hetastarch ether inhibitor and guarantee that its concentration is 20～200mg/L and stirs 2～5min；Finally add collecting agent enuatrol, its consumption 20～400mg/L, reinflated scrape bubble.
It is-74+38 μm that described fluorite ore Ore grinds granularity.
The present invention, compared with common starch and other inhibitor, has following innovative characteristics and an effect:
(1) strong to the inhibitor ability of calcite, barite mineral, be conducive to improving fluorite grade and the response rate, shorten flotation flowsheet, improve comprehensive utilization of resources level.
Minal Study of flotation result shows, when inhibitor common starch concentration 20mg/L in ore pulp, fluorite, barite, the Floatation Rate of calcite respectively may be about 91.5%, 60%, 57.6%；And using when being inhibitor with the bydroxyethyl starch ether of consumption, the Floatation Rate of fluorite have dropped about 2%, and barite and calcite almost all are suppressed, and Floatation Rate, close to zero, illustrates that bydroxyethyl starch ether has good rejection ability to barite and calcite.
The test of artificial mixed ore FLOTATION SEPARATION shows, to ore deposit fluorite: when barite mass ratio is 1:1, to one time, ore deposit FLOTATION SEPARATION, and CaF in flotation concentrate2Grade and the response rate are respectively 87.5%, 89.6%；To ore deposit fluorite: when calcite mass ratio is 1:1, to one time, ore deposit FLOTATION SEPARATION, and CaF in flotation concentrate2Grade and the response rate are respectively 90.5%, 87.5%；Illustrate that bydroxyethyl starch ether has good Selective depression ability to barite and calcite, be effective inhibitor of separating with barite, Calcite by Flotation of fluorite.
(2) contrasting with common starch, bydroxyethyl starch ether is conducive to liquid medicine preparation and adds, stable performance.Common starch dissolubility is little, and the easy moldy metamorphism of solution of preparation, gives out stink, and bydroxyethyl starch ether dissolubility is high, and its solution property is stable, stores the time long.
(3) contrast with other inhibitor, there is the advantages such as friendly environment, wide material sources, cheap, effect is obvious.Primary raw material starch source prepared by hetastarch ether inhibitor in agricultural product such as Semen Maydis, rice, Radix Ipomoeae, belongs to regenerated resources, inexhaustible, and wide material sources, cheap, and it is little that it uses residue to be prone to degraded, environmental pollution.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further illustrated, but and should not be limited by the examples.
Naturally dry after the fluorite of hand picking, calcite, barite minal distilled water are cleaned, levigate with ceramic ball mill again, sieve takes the conventional grade baking oven oven drying at low temperature Study of flotation for embodiment of-74+38 μm, and that does not indicates mixing time is 1 5min.
Embodiment 1:
Float test uses XFG II type extension groove type floatation cell to carry out, first in flotation cell, 2g fluorite or calcite or barite minal are added, add the stirring of 35ml distilled water to size mixing, and stir to 9 by HCl or NaOH regulation pH values of pulp, then it is sequentially added into hetastarch ether inhibitor 20mg/L and stirs 5min, enuatrol 20mg/L, scrape bubble the most again.After float test terminates, froth pulp filtered, dry, weigh, chemically examine and calculate the response rate.
Embodiment 1 result of the test is as shown in table 1.
Table 1 Experimental Comparison result
Embodiment 2:
Float test uses XFG II type extension groove type floatation cell to carry out, first in flotation cell, 2g fluorite or calcite or barite minal are added, add the stirring of 35ml distilled water to size mixing, and stir to 11 by HCl or NaOH regulation pH values of pulp, then it is sequentially added into hetastarch ether inhibitor 60mg/L and stirs 2min, enuatrol 40mg/L, scrape bubble the most again.After float test terminates, froth pulp filtered, dry, weigh, chemically examine and calculate the response rate.
Embodiment 2 result of the test is as shown in table 2.
Table 2 Experimental Comparison result
Embodiment 3:
Float test uses XFG II type extension groove type floatation cell to carry out, first in flotation cell, 1g fluorite and 1g barite are added, add the stirring of 35ml distilled water to size mixing, and stir to 9 by HCl or NaOH regulation pH values of pulp, then it is sequentially added into hetastarch ether inhibitor 60mg/L and stirs 3min, enuatrol 100mg/L, scraping bubble the most again, artificial mixed ore is through a FLOTATION SEPARATION.After float test terminates, froth pulp filtered, dry, weigh, chemically examine and calculate the response rate.
Embodiment 3 result of the test is shown in Table 3.
Table 3 result of the test
| Inhibitor | Flotation is to ore deposit CaF2Grade (%) | Flotation concentrate CaF2Grade (%) | Flotation concentrate CaF2The response rate (%) |
| Bydroxyethyl starch ether | 50.0 | 87.5 | 89.6 |
Embodiment 4:
Float test uses XFG II type extension groove type floatation cell to carry out, first in flotation cell, 1g fluorite and 1g calcite are added, add the stirring of 35ml distilled water to size mixing, and stir to 9 by HCl or NaOH regulation pH values of pulp, then it is sequentially added into bydroxyethyl starch ether 200mg/L and stirs 5min, enuatrol 400mg/L, scraping bubble the most again, artificial mixed ore is through a FLOTATION SEPARATION.After float test terminates, froth pulp filtered, dry, weigh, chemically examine and calculate the response rate.
Embodiment 4 result of the test is shown in Table 4.
Table 4 result of the test
| Inhibitor | Flotation is to ore deposit CaF2Grade (%) | Flotation concentrate CaF2Grade (%) | Flotation concentrate CaF2The response rate (%) |
| Bydroxyethyl starch ether | 50.0 | 90.5 | 87.5 |
Claims (4)
1. a bydroxyethyl starch ether application in fluorite flotation, calcite, barite can effectively be suppressed in the floatation process of fluorite ore Ore by it.
2. a method for floating for fluorite ore, is characterized in that: comprise the following steps: will grind containing the fluorite ore Ore of barite, calcite mineral, feeds in flotation device and stirs and sizes mixing, then with HCl, NaOH or Na2CO3Regulation pH values of pulp >=7 are also stirred, then add hetastarch ether inhibitor and guarantee that its concentration is 20～200mg/L and stirs 2～5min；Finally add collecting agent enuatrol, its consumption 20～400mg/L, reinflated scrape bubble.
The method for floating of a kind of fluorite ore, is characterized in that: it is-74+38 μm that described fluorite ore Ore grinds granularity.
A kind of method for floating of fluorite ore, it is characterized in that: be embodied as: use XFG II type to hang groove type floatation cell and carry out flotation, first in flotation cell, 2g fluorite or calcite or barite minal are added, add the stirring of 35ml distilled water to size mixing, and stir to 11 by HCl or NaOH regulation pH values of pulp, then it is sequentially added into hetastarch ether inhibitor 60mg/L and stirs 2min, enuatrol 40mg/L, scrape bubble the most again；
After flotation terminates, froth pulp filtered, dry, weigh, chemically examine and to calculate the response rate as shown in the table；
Experimental Comparison result
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610157081.5A CN105817341B (en) | 2016-03-18 | 2016-03-18 | Application of the bydroxyethyl starch ether in fluorite flotation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610157081.5A CN105817341B (en) | 2016-03-18 | 2016-03-18 | Application of the bydroxyethyl starch ether in fluorite flotation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105817341A true CN105817341A (en) | 2016-08-03 |
| CN105817341B CN105817341B (en) | 2018-03-23 |
Family
ID=56523549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610157081.5A Active CN105817341B (en) | 2016-03-18 | 2016-03-18 | Application of the bydroxyethyl starch ether in fluorite flotation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105817341B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3378546A (en) * | 1965-03-03 | 1968-04-16 | American Maize Prod Co | Hydroxypropyl starch ether |
| CA2168015A1 (en) * | 1993-07-27 | 1995-02-09 | Mahroussa Auda | Surfactant containing agrochemical homogeneous emulsifiable concentrate compositions |
| CN103394408A (en) * | 2013-07-26 | 2013-11-20 | 北京科技大学 | Method for comprehensively recycling valuable minerals in rare-earth tailings |
-
2016
- 2016-03-18 CN CN201610157081.5A patent/CN105817341B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3378546A (en) * | 1965-03-03 | 1968-04-16 | American Maize Prod Co | Hydroxypropyl starch ether |
| CA2168015A1 (en) * | 1993-07-27 | 1995-02-09 | Mahroussa Auda | Surfactant containing agrochemical homogeneous emulsifiable concentrate compositions |
| CN103394408A (en) * | 2013-07-26 | 2013-11-20 | 北京科技大学 | Method for comprehensively recycling valuable minerals in rare-earth tailings |
Non-Patent Citations (3)
| Title |
|---|
| 吴永云等: "淀粉及改性淀粉作为萤石与重晶石的选择性抑制剂的研究", 《非金属矿》 * |
| 胡岳华: "《矿物浮选》", 31 March 2014 * |
| 见百熙: "《浮选药剂》", 31 August 1981 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105817341B (en) | 2018-03-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Guimarães et al. | Reagents in igneous phosphate ores flotation | |
| CN103495506B (en) | A kind of medicament for iron ore reverse flotation and combinationally use method | |
| Laitinen et al. | Alkyl aminated nanocelluloses in selective flotation of aluminium oxide and quartz | |
| CA2886915A1 (en) | Depressants for mineral ore flotation | |
| CN105709939A (en) | Application of hydroxypropyl starch ether in fluorite ore flotation | |
| WO2021008324A1 (en) | Liquid-solid composite collector for coal slime flotation and preparation method therefor | |
| CN109292809A (en) | The application of the method for purification, gypsum and gypsum of titanium gypsum | |
| CN107638949A (en) | Application of the cation etherification starch in Scheelite Flotation | |
| CN104014431A (en) | Floatation process for oxidized coal slime | |
| CN104069952B (en) | The inhibitor of gangue mineral and application thereof in a kind of graphite ore | |
| CN104785376B (en) | Nickel sulfide ore flotation inhibiting-dispersing agent and preparation method thereof | |
| CN105435968A (en) | Reverse-flotation desiliconizing method for hematite ore | |
| CN107694740A (en) | The beneficiation method of reverse flotation smithsonite from vulcanized lead zinc flotation tailing | |
| CN105817341A (en) | Application of hydroxyethyl starch ether to fluorite ore flotation | |
| CN105597943B (en) | A kind of depressing agent and preparation method and applications | |
| CN105149102B (en) | A kind of high-sulphur alumyte desulfuration flotation activating | |
| CN111215251A (en) | Dolomite inhibitor and use method thereof | |
| CN113560031B (en) | High-calcium fluorite flotation inhibitor and preparation method and application process thereof | |
| CN102489412A (en) | Method for activating calamine in flotation process | |
| CN107716121B (en) | Application of the hydroxypropyl starch ether in Scheelite Flotation | |
| CN109939835A (en) | A kind of separation molybdenite and the depressing agent of talcum and preparation method thereof | |
| CN106733211A (en) | A kind of floating agent for improving Sphalerite flotation index | |
| CN109731692A (en) | A kind of efficient flotation separation separation method of copper-sulphide ores | |
| CN103495508A (en) | Desorption agent for reverse flotation of micro-fine-particle iron ore | |
| CN101869875B (en) | Fluid mud agent and mud removing technology of mud-contained potassium mineral |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200925 Address after: 423000 huangni'ao lead zinc mine office building, Dongshi village, aoshang Town, Suxian District, Chenzhou City, Hunan Province Patentee after: Chenzhou Suxian huangni'ao Mining Co., Ltd Address before: 341000 No. 86 Hongqi Avenue, Jiangxi, Ganzhou Patentee before: Jiangxi University of Science and Technology |
|
| TR01 | Transfer of patent right |