CN113275130A - Cheaper cassiterite flotation auxiliary collecting agent - Google Patents
Cheaper cassiterite flotation auxiliary collecting agent Download PDFInfo
- Publication number
- CN113275130A CN113275130A CN202110635752.5A CN202110635752A CN113275130A CN 113275130 A CN113275130 A CN 113275130A CN 202110635752 A CN202110635752 A CN 202110635752A CN 113275130 A CN113275130 A CN 113275130A
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- CN
- China
- Prior art keywords
- flotation
- cassiterite
- cheaper
- collecting agent
- auxiliary
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- 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.)
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Classifications
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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
- B03D1/008—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
- B03D2201/02—Collectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2203/00—Specified materials treated by the flotation agents; specified applications
- B03D2203/02—Ores
Abstract
The invention relates to the technical field of cassiterite flotation collectors, in particular to a cheaper cassiterite flotation auxiliary collector. The invention aims to solve the technical problem that the traditional cassiterite flotation auxiliary collecting agent adopts tributyl phosphate as a main raw material, and the tributyl phosphate is high in price and is not beneficial to saving the cost of cassiterite flotation. In order to solve the technical problems, the invention provides a cheaper cassiterite flotation auxiliary collector, which comprises diethyl carbonate: 5-9 parts of low-carbon alcohol: 1 to 5 portions. The invention has the beneficial effects that: compared with the traditional auxiliary collecting agent prepared by taking tributyl phosphate as a main raw material, the auxiliary collecting agent for cassiterite flotation can obtain the same flotation effect under the same dosage, but the agent cost can be greatly reduced, and the auxiliary collecting agent has the defoaming effect.
Description
Technical Field
The invention relates to a collecting agent, in particular to a cheaper cassiterite flotation auxiliary collecting agent, and belongs to the technical field of cassiterite flotation collecting agents.
Background
Tin is an important metal indispensable to human production and life, and is one of the first metals discovered and used by human in history, and has the advantages of low melting point, corrosion resistance, easiness in changing the properties of other metals and the like; cassiterite contains 78.6% tin, is the most common tin mineral, and is also the most predominant mineral of tin; for large-particle cassiterite, a gravity separation method is generally adopted for recovery; for micro-fine cassiterite, the gravity separation method has low recovery rate, so the recovery is generally carried out by adopting a flotation method, and the flotation method is a method for taking away specified mineral powder by adopting a collecting agent capable of generating a large amount of bubbles so as to achieve the purpose of mineral separation, but the conventional cassiterite flotation auxiliary collecting agent has the following defects:
the conventional auxiliary collector for cassiterite flotation generally selects tributyl phosphate as a main raw material for preparing the auxiliary collector and the defoaming agent, but the tributyl phosphate is high in price and is not beneficial to saving the cost in the cassiterite flotation.
Disclosure of Invention
The invention aims to solve the problems and provide a lower-cost cassiterite flotation auxiliary collector.
The invention achieves the aim through the following technical scheme, and provides a cheaper auxiliary collector for cassiterite flotation, which comprises diethyl carbonate in parts by weight: 5-9 parts of low-carbon alcohol: 1 to 5 portions.
Preferably, the diethyl carbonate is colorless liquid with the purity of 98-99.5%.
Preferably, the lower alcohol is any one of the structural formulas R-OH, and R is a hydrocarbon group containing 6-9 carbon atoms.
Preferably, the purity of the lower alcohol is 98-99.5%.
Preferably, the diethyl carbonate and the lower alcohol are directly mixed in proportion without adding water for dissolution.
Preferably, a secondary collector is added during the tin flotation step.
Preferably, the addition amount of the auxiliary collector is 100-200 g/t.
Preferably, the auxiliary collector is directly added in the form of stock solution without adding water for dilution.
Preferably, the pH of the slurry is 6.5 to 8.0.
The invention has the beneficial effects that: compared with the traditional auxiliary collecting agent prepared by taking tributyl phosphate as a main raw material, the auxiliary collecting agent for cassiterite flotation can obtain the same flotation effect under the same dosage, but the preparation cost of the auxiliary collecting agent can be greatly reduced, and the auxiliary collecting agent has the defoaming effect.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
a cheaper cassiterite flotation co-collector comprising, in parts by weight, diethyl carbonate: 5-9 parts of nonanol: 1 to 5 portions.
Specifically, the diethyl carbonate is colorless liquid with the purity of 98-99.5%.
Specifically, the purity of the nonanol is 98-99.5%.
Specifically, diethyl carbonate and nonanol are directly mixed in proportion without adding water for dissolution.
Specifically, in the tin flotation step, a secondary collector is added.
Specifically, the adding amount of the auxiliary collector is 100-200 g/t.
Specifically, the auxiliary collector is directly added in the form of stock solution without adding water for dilution.
Specifically, the pH value of the ore pulp is 6.5-8.0.
The formula and the method of the cassiterite flotation auxiliary collecting agent which adopts diethyl carbonate and nonanol as main raw materials are adopted.
Diethyl carbonate is colorless liquid with special fragrance at normal temperature, has a chemical formula of C5H10O3, is insoluble in water, is soluble in most organic solvents such as alcohols, ketones, esters and aromatic hydrocarbons, can be used as an intermediate in chemical production, and has wide application.
The pelargonic alcohol is colorless to yellow oily liquid, has a boiling point of 213-215 ℃, is dissolved in 60 percent ethanol and grease with 3 volume, has an acid value of less than 1.0, has powerful fragrance of sweet and green rose wax and fruit fragrance, has fragrance similar to oranges and sweet oranges, is insoluble in water, can be used as a surfactant, a stabilizer and a defoaming agent, adopts pelargonic alcohol with low price as a main raw material to prepare the cassiterite flotation auxiliary collecting agent, and can obtain the same flotation effect under the same dosage compared with the traditional auxiliary collecting agent prepared by taking tributyl phosphate as a main raw material, but the preparation cost of the auxiliary collecting agent can be greatly reduced, and the invention also has the defoaming effect.
Compared with the traditional auxiliary collecting agent prepared from tributyl phosphate, the auxiliary collecting agent for cassiterite flotation can obtain the same flotation effect under the same dosage, but the cost of the agent can be greatly reduced, and the auxiliary collecting agent has the defoaming effect.
Example two:
a cheaper cassiterite flotation co-collector comprising, in parts by weight, diethyl carbonate: 5-9 parts of octanol: 1 to 5 portions.
Specifically, the diethyl carbonate is colorless liquid with the purity of 98-99.5%.
Specifically, the purity of the octanol is 98-99.5%.
Specifically, diethyl carbonate and octanol are directly mixed in proportion without adding water for dissolution.
Specifically, in the tin flotation step, a secondary collector is added.
Specifically, the adding amount of the auxiliary collector is 100-200 g/t.
Specifically, the auxiliary collector is directly added in the form of stock solution without adding water for dilution.
Specifically, the pH value of the ore pulp is 6.5-8.0.
The formula and the method of the cassiterite flotation auxiliary collecting agent which adopts diethyl carbonate and octanol as main raw materials are adopted.
Octanol as referred to above is an organic compound, a colorless flammable liquid with a special odor, having a freezing point of-75 ℃, a relative density of 0.8344(20/20 ℃), a refractive index of 1.4316, a flash point of 81.1 ℃, a viscosity (20 ℃) of 9.8 mPas, a vapor pressure (20 ℃) of 48Pa, is miscible with alcohol, ether and chloroform, and can be used as a plasticizer, an antifoaming agent, a dispersant, a mineral processing agent and a petroleum additive.
Compared with the traditional auxiliary collecting agent prepared from tributyl phosphate, the auxiliary collecting agent for cassiterite flotation can obtain the same flotation effect under the same dosage, but the cost of the agent can be greatly reduced, and the auxiliary collecting agent has the defoaming effect.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. A cheaper cassiterite flotation auxiliary collector, which is characterized in that: the cheaper cassiterite flotation co-collector comprises diethyl carbonate: 5-9 parts of low-carbon alcohol: 1 to 5 portions.
2. A cheaper cassiterite flotation co-collector according to claim 1 wherein: the diethyl carbonate is colorless liquid with the purity of 98-99.5%.
3. A cheaper cassiterite flotation co-collector according to claim 1 wherein: the lower alcohol is any one of R-OH with the structural formula, and R is a hydrocarbon group containing 6-9 carbon atoms.
4. A cheaper cassiterite flotation co-collector according to claim 1 wherein: the purity of the low-carbon alcohol is 98-99.5%.
5. A cheaper cassiterite flotation co-collector according to claim 1 wherein: diethyl carbonate and low carbon alcohol are directly mixed in proportion without adding water.
6. Tin flotation technology when cassiterite flotation auxiliary collecting agent is used is characterized in that: in the tin flotation step, a cheaper cassiterite flotation co-collector according to claim 1 is added.
7. The tin flotation process of claim 6, wherein: the addition amount of the auxiliary collector is 100-200 g/t.
8. The tin flotation process of claim 6, wherein: the auxiliary collecting agent is directly added in the form of stock solution without adding water for dilution.
9. The tin flotation process of claim 6, wherein: the pH value of the ore pulp is 6.5-8.0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110635752.5A CN113275130A (en) | 2021-06-08 | 2021-06-08 | Cheaper cassiterite flotation auxiliary collecting agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110635752.5A CN113275130A (en) | 2021-06-08 | 2021-06-08 | Cheaper cassiterite flotation auxiliary collecting agent |
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| Publication Number | Publication Date |
|---|---|
| CN113275130A true CN113275130A (en) | 2021-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110635752.5A Pending CN113275130A (en) | 2021-06-08 | 2021-06-08 | Cheaper cassiterite flotation auxiliary collecting agent |
Country Status (1)
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1110643A (en) * | 1966-02-23 | 1968-04-24 | Nathaniel Arbiter | Benefication of cassiterite ores by froth flotation |
| US4229287A (en) * | 1978-12-04 | 1980-10-21 | Engelhard Minerals & Chemicals Corporation | Tin flotation |
| CN1575854A (en) * | 2003-06-16 | 2005-02-09 | 阿托菲纳公司 | In an ore flotation process usable composition of mercaptans |
| CN101797535A (en) * | 2010-04-13 | 2010-08-11 | 中南大学 | Flotation method of brass ore-containing complex lead-zinc sulphide ore |
| CN103495493A (en) * | 2013-10-14 | 2014-01-08 | 北京矿冶研究总院 | Beneficiation method for low-grade fine tin ore |
| CN106269274A (en) * | 2016-06-20 | 2017-01-04 | 兰州大学 | A kind of medicament for copper nickel sulfide mineral flotation in acidic condition |
| CN108554644A (en) * | 2018-01-12 | 2018-09-21 | 东北大学 | A kind of tin-lead soldering collecting agent and preparation method thereof |
| CN109174460A (en) * | 2018-09-25 | 2019-01-11 | 东北大学 | A kind of method for floating of cassiterite |
| CN110170381A (en) * | 2019-05-09 | 2019-08-27 | 广东省资源综合利用研究所 | A kind of beneficiation method recycling cassiterite from tin copper mineral intergrowth |
-
2021
- 2021-06-08 CN CN202110635752.5A patent/CN113275130A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1110643A (en) * | 1966-02-23 | 1968-04-24 | Nathaniel Arbiter | Benefication of cassiterite ores by froth flotation |
| US4229287A (en) * | 1978-12-04 | 1980-10-21 | Engelhard Minerals & Chemicals Corporation | Tin flotation |
| CN1575854A (en) * | 2003-06-16 | 2005-02-09 | 阿托菲纳公司 | In an ore flotation process usable composition of mercaptans |
| CN101797535A (en) * | 2010-04-13 | 2010-08-11 | 中南大学 | Flotation method of brass ore-containing complex lead-zinc sulphide ore |
| CN103495493A (en) * | 2013-10-14 | 2014-01-08 | 北京矿冶研究总院 | Beneficiation method for low-grade fine tin ore |
| CN106269274A (en) * | 2016-06-20 | 2017-01-04 | 兰州大学 | A kind of medicament for copper nickel sulfide mineral flotation in acidic condition |
| CN108554644A (en) * | 2018-01-12 | 2018-09-21 | 东北大学 | A kind of tin-lead soldering collecting agent and preparation method thereof |
| CN109174460A (en) * | 2018-09-25 | 2019-01-11 | 东北大学 | A kind of method for floating of cassiterite |
| CN110170381A (en) * | 2019-05-09 | 2019-08-27 | 广东省资源综合利用研究所 | A kind of beneficiation method recycling cassiterite from tin copper mineral intergrowth |
Non-Patent Citations (1)
| Title |
|---|
| 郑其方等: "锡石浮选捕收剂机理研究进展", 《中国有色金属学报》 * |
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Effective date of abandoning: 20221018 |