CN111558464A - Low-copper high-molybdenum ore collecting agent and preparation method thereof - Google Patents
Low-copper high-molybdenum ore collecting agent and preparation method thereof Download PDFInfo
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- CN111558464A CN111558464A CN202010348607.4A CN202010348607A CN111558464A CN 111558464 A CN111558464 A CN 111558464A CN 202010348607 A CN202010348607 A CN 202010348607A CN 111558464 A CN111558464 A CN 111558464A
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- molybdenum ore
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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
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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
- B03D2203/04—Non-sulfide ores
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention relates to a low-copper high-molybdenum ore collecting agent and a preparation method thereof, wherein the collecting agent comprises the following components in parts by weight: 20-25 parts of fractionated kerosene with the temperature higher than 220 ℃; 6-9 parts of heavy wax; 100/100 parts of motor oil 2-3 parts; 1-2 parts of tricyclic aromatic hydrocarbon; and (4) 1-3 parts of emulsifier v fatty acid polyvinyl alcohol ester. The invention takes the fractionation-grade kerosene with the temperature higher than 220 ℃ as a main body, adopts an emulsification mode to synthesize the single collecting agent into the composite collecting agent, and has the characteristics of simple preparation method, low synthesis cost and the like. The collecting agent has the advantages of good stability, high viscosity, a certain amount of macromolecular aromatic hydrocarbons, easy adsorption of coarser granular ore, strong collecting capability and capability of effectively improving the recovery rate of molybdenum in low-copper high-molybdenum ore.
Description
Technical Field
The invention relates to the technical field of mineral processing, in particular to a low-copper high-molybdenum ore collecting agent and a preparation method thereof.
Background
The existing effective method for recovering copper-molybdenum ore is a flotation method, and the essence of the method is that under strong mechanical stirring, oil drops are adsorbed and spread on the surface of the ore to form a hydrophobic oil film, and the oil drops are adhered to the surface of the ore particles to ensure that the ore particles have certain hydrophobicity and floatability. However, in actual production, the grinding fineness of low-copper high-molybdenum ores cannot meet the requirement, and the ore particles are thick, so that the conventional collecting agent cannot better recover copper and molybdenum, and particularly the recovery rate of molybdenum is low.
In order to effectively recover copper-molybdenum ore and improve the recovery rate of molybdenum, a macromolecular collecting agent with high viscosity, strong adsorption force and strong collecting capability needs to be found. The emulsifier has the property of a surfactant, and can disperse hydrocarbon oil in water to achieve certain foaming performance. It is necessary to synthesize the collector which has good stability, high viscosity, large adsorption force, strong collecting capability and better flotation effect than the conventional collector by adopting the emulsifier for emulsification.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the invention provides a low-copper high-molybdenum ore collecting agent and a preparation method thereof, aiming at the problems that the existing low-copper high-molybdenum ore has low molybdenum recovery rate and the conventional collecting agent cannot recover copper and molybdenum well.
The invention relates to a low-copper high-molybdenum ore collecting agent which is characterized by comprising the following raw materials in parts by weight: 20-25 of fractionated kerosene with the temperature higher than 220 ℃; 6-9 parts of heavy wax; 2-3 parts of motor oil; 1-2 parts of tricyclic aromatic hydrocarbon; and v, 1-3% of fatty acid polyethylene alcohol ester as an emulsifier.
In the technical scheme of the low-copper high-molybdenum ore collecting agent, the further preferable technical scheme is characterized in that:
1. the composition is characterized by comprising the following raw materials in parts by weight: fractionation grade kerosene 20 above 220 ℃; heavy wax 6; motor oil 2; a tricyclic aromatic hydrocarbon 1; emulsifier v fatty acid polyglycol ester 1;
2. the composition is characterized by comprising the following raw materials in parts by weight: fractionated grade kerosene 25 above 220 ℃; heavy wax 9; motor oil 3; a tricyclic aromatic hydrocarbon 2; emulsifier v fatty acid polyethylene alcohol ester 3;
3. the composition is characterized by comprising the following raw materials in parts by weight: fractionation grade kerosene 23 above 220 ℃; heavy wax 7; 2.5 parts of motor oil; tricyclic aromatic hydrocarbon 1.5; emulsifier v fatty acid polyethylene alcohol ester 2;
4. the composition is characterized by comprising the following raw materials in parts by weight: fractionation grade kerosene 22 above 220 ℃; heavy wax 8; 2.5 parts of motor oil; tricyclic aromatic hydrocarbon 1.5; emulsifier v fatty acid polyethylene alcohol ester 2;
5. the composition is characterized by comprising the following raw materials in parts by weight: fractionated grade kerosene 24 above 220 ℃; heavy wax 7; motor oil 2; a tricyclic aromatic hydrocarbon 2; emulsifier v fatty acid polyethylene glycol ester 2.5;
6. the composition is characterized by comprising the following raw materials in parts by weight: fractionation grade kerosene 20 above 220 ℃; 6.5 parts of heavy wax; motor oil 3; a tricyclic aromatic hydrocarbon 2; emulsifier v fatty acid polyethylene alcohol ester 3.
The invention relates to a preparation method of a low-copper high-molybdenum ore collecting agent, which is characterized by comprising the following steps of: placing fractional kerosene, heavy wax, motor oil, tricyclic aromatic hydrocarbon and v-fatty acid polyethanol ester which are higher than 220 ℃ in parts by weight into a beaker, heating and stirring for 3-5 min at the temperature of 40-50 ℃ by using a heating stirrer, standing for 24-48 h, then layering into an upper layer, a middle layer and a lower layer in the beaker, removing the upper layer by adopting a centrifugal separation method, and collecting the middle layer oil to be used as a low-copper high-molybdenum ore collecting agent.
In the technical scheme of the preparation method of the low-copper high-molybdenum ore collecting agent, the further preferable technical scheme is characterized in that:
1. the heating temperature is 45 ℃;
2. the stirring time is 4min, and the standing time is 36 h.
Compared with the prior art, the invention has the beneficial effects that: (1) the invention takes the fractionation-grade kerosene with the temperature higher than 220 ℃ as a main body, adopts an emulsification mode to synthesize the single collecting agent into the composite collecting agent, and has the characteristics of simple preparation method, low synthesis cost and the like; (2) the collecting agent has the advantages of good stability, high viscosity, a certain amount of macromolecular aromatic hydrocarbons, easy adsorption of coarser granular ore, strong collecting capability and capability of effectively improving the recovery rate of molybdenum in low-copper high-molybdenum ore.
Detailed Description
The following will clearly and completely describe the technical solutions in 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 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.
Example 1, a low-copper high-molybdenum ore collecting agent is composed of the following raw materials in parts by weight: 20-25 of fractionated kerosene with the temperature higher than 220 ℃; 6-9 parts of heavy wax; 2-3 parts of motor oil; 1-2 parts of tricyclic aromatic hydrocarbon; and v, 1-3% of fatty acid polyethylene alcohol ester as an emulsifier. The preparation of the above 220 ℃ fractionation grade kerosene is a product distilled off when the boiling point of petroleum is above 220 ℃; the preparation of the heavy wax comprises the following steps: kerosene extracted from petroleum with a boiling range of 220-350 ℃ is a mixture of cyclic hydrocarbons, naphthenic hydrocarbons and aromatic hydrocarbons. The normal paraffin produced by the action of urea and kerosene accounts for more than 90 percent of the heavy wax.
Example 2, the low copper and high molybdenum ore collector according to example 1 is composed of the following raw materials in parts by weight: fractionation grade kerosene 20 above 220 ℃; heavy wax 6; motor oil 2; a tricyclic aromatic hydrocarbon 1; emulsifier v fatty acid polyglycol ester 1;
example 3, the low copper and high molybdenum ore collector according to example 1 or 2 consists of the following raw materials in parts by weight: fractionated grade kerosene 25 above 220 ℃; heavy wax 9; motor oil 3; a tricyclic aromatic hydrocarbon 2; emulsifier v fatty acid polyethylene alcohol ester 3.
Example 4, the low copper and high molybdenum ore collector according to any one of examples 1 to 3, consists of the following raw materials in parts by weight: fractionation grade kerosene 23 above 220 ℃; heavy wax 7; 2.5 parts of motor oil; tricyclic aromatic hydrocarbon 1.5; emulsifier v fatty acid polyethylene alcohol ester 2.
Example 5, the low copper and high molybdenum ore collector according to any one of examples 1 to 4, consists of the following raw materials in parts by weight: fractionation grade kerosene 22 above 220 ℃; heavy wax 8; 2.5 parts of motor oil; tricyclic aromatic hydrocarbon 1.5; emulsifier v fatty acid polyethylene alcohol ester 2.
Example 6, the low copper and high molybdenum ore collector according to any one of examples 1 to 5, consists of the following raw materials in parts by weight: fractionated grade kerosene 24 above 220 ℃; heavy wax 7; motor oil 2; a tricyclic aromatic hydrocarbon 2; emulsifier v fatty acid polyethylene alcohol ester 2.5.
Example 7, the low copper and high molybdenum ore collector according to any one of examples 1 to 6, consists of the following raw materials in parts by weight: fractionation grade kerosene 20 above 220 ℃; 6.5 parts of heavy wax; motor oil 3; a tricyclic aromatic hydrocarbon 2; emulsifier v fatty acid polyethylene alcohol ester 3.
Example 8, a method for preparing a low copper and high molybdenum ore collector includes the following steps: placing fractional kerosene, heavy wax, motor oil, tricyclic aromatic hydrocarbon and v-fatty acid polyethanol ester which are higher than 220 ℃ in parts by weight into a beaker, heating and stirring for 3-5 min at the temperature of 40-50 ℃ by using a heating stirrer, standing for 24-48 h, then layering into an upper layer, a middle layer and a lower layer in the beaker, removing the upper layer by adopting a centrifugal separation method, and collecting the middle layer oil to be used as a low-copper high-molybdenum ore collecting agent.
Example 9, the heating temperature was 45 ℃ in the method for preparing the low copper and high molybdenum ore collector according to example 8.
Example 10, the method of preparing the low copper and high molybdenum ore collector according to example 8 or 9, wherein the stirring time is 4min and the standing time is 36 h.
Example 11, the method of making a low copper high molybdenum ore collector according to any one of examples 8-10, wherein: 22 parts of fractionated kerosene with the temperature higher than 220 ℃, 8 parts of heavy wax, 2.5 parts of 100/100 motor oil, 1.5 parts of tricyclic aromatic hydrocarbon and 2 parts of v fatty acid polyethylene glycol ester are respectively weighed and placed in a beaker, a heating stirrer is used, the temperature is 45 ℃, the heating stirring is carried out for 4min, and after standing for 36h, the collecting agent in the beaker is layered into an upper layer, a middle layer and a lower layer, the upper layer is a clarifying layer, the middle layer is a stable oil layer, and the lower layer is a precipitating layer. And removing the upper layer by adopting a centrifugal separation method, and collecting the middle-layer oil as a low-copper high-molybdenum ore collecting agent.
Example 12, the method of making a low copper high molybdenum ore collector according to any one of examples 8-11, wherein: 24 parts of fractionated kerosene with the temperature higher than 220 ℃, 7 parts of heavy wax, 2 parts of 100/100 motor oil, 2 parts of tricyclic aromatic hydrocarbon and 2.5 parts of v fatty acid polyvinyl alcohol ester are respectively weighed and placed in a beaker, a heating stirrer is used, the temperature is 50 ℃, the heating stirring is carried out for 4.5min, and after standing for 48h, the collecting agent in the beaker is layered into an upper layer, a middle layer and a lower layer, the upper layer is a clarifying layer, the middle layer is a stable oil layer, and the lower layer is a precipitating layer. And removing the upper layer by adopting a centrifugal separation method, and collecting the middle-layer oil as a low-copper high-molybdenum ore collecting agent.
Example 13, the method of making a low copper high molybdenum ore collector according to any one of examples 8-12, wherein: 20 parts of fractionated kerosene with the temperature higher than 220 ℃, 6.5 parts of heavy wax, 3 parts of 100/100 motor oil, 2 parts of tricyclic aromatic hydrocarbon and 3 parts of v fatty acid polyethylene glycol ester are respectively weighed and placed in a beaker, a heating stirrer is used, the temperature is 40 ℃, the heating stirring is carried out for 3min, and after standing for 36h, the collecting agent in the beaker is layered into an upper layer, a middle layer and a lower layer, the upper layer is a clear layer, the middle layer is a stable oil layer, and the lower layer is a precipitate layer. And removing the upper layer by adopting a centrifugal separation method, and collecting the middle-layer oil as a low-copper high-molybdenum ore collecting agent.
Example 14 beneficiation test using Sinkiang Cable Low copper high molybdenum ore, examples 11, 12, 13 prepared with the present invention with conventional collectors kerosene, Diesel oil, kerosene +2#The oils were compared for performance, with the performance comparison parameters as shown in the following table:
the above description is only for the preferred embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and the inventive concept thereof within the scope of the present invention.
Claims (10)
1. The low-copper high-molybdenum ore collecting agent is characterized by comprising the following raw materials in parts by weight: 20-25 of fractionated kerosene with the temperature higher than 220 ℃; 6-9 parts of heavy wax; 2-3 parts of motor oil; 1-2 parts of tricyclic aromatic hydrocarbon; and v, 1-3% of fatty acid polyethylene alcohol ester as an emulsifier.
2. The low-copper high-molybdenum ore collector according to claim 1, which is characterized by comprising the following raw materials in parts by weight: fractionation grade kerosene 20 above 220 ℃; heavy wax 6; motor oil 2; a tricyclic aromatic hydrocarbon 1; emulsifier v fatty acid polyethylene alcohol ester 1.
3. The low-copper high-molybdenum ore collector according to claim 1, which is characterized by comprising the following raw materials in parts by weight: fractionated grade kerosene 25 above 220 ℃; heavy wax 9; motor oil 3; a tricyclic aromatic hydrocarbon 2; emulsifier v fatty acid polyethylene alcohol ester 3.
4. The low-copper high-molybdenum ore collector according to claim 1, which is characterized by comprising the following raw materials in parts by weight: fractionation grade kerosene 23 above 220 ℃; heavy wax 7; 2.5 parts of motor oil; tricyclic aromatic hydrocarbon 1.5; emulsifier v fatty acid polyethylene alcohol ester 2.
5. The low-copper high-molybdenum ore collector according to claim 1, which is characterized by comprising the following raw materials in parts by weight: fractionation grade kerosene 22 above 220 ℃; heavy wax 8; 2.5 parts of motor oil; tricyclic aromatic hydrocarbon 1.5; emulsifier v fatty acid polyethylene alcohol ester 2.
6. The low-copper high-molybdenum ore collector according to claim 1, which is characterized by comprising the following raw materials in parts by weight: fractionated grade kerosene 24 above 220 ℃; heavy wax 7; motor oil 2; a tricyclic aromatic hydrocarbon 2; emulsifier v fatty acid polyethylene alcohol ester 2.5.
7. The low-copper high-molybdenum ore collector according to claim 1, which is characterized by comprising the following raw materials in parts by weight: fractionation grade kerosene 20 above 220 ℃; 6.5 parts of heavy wax; motor oil 3; a tricyclic aromatic hydrocarbon 2; emulsifier v fatty acid polyethylene alcohol ester 3.
8. The preparation method of the low-copper high-molybdenum ore collecting agent is characterized by comprising the following steps of: placing fractional kerosene, heavy wax, motor oil, tricyclic aromatic hydrocarbon and v fatty acid polyethanol ester which are higher than 220 ℃ in parts by weight into a beaker, heating and stirring for 3-5 min at the temperature of 40-50 ℃ by using a heating stirrer, standing for 24-48 h, and then layering into an upper layer, a middle layer and a lower layer in the beaker, wherein the upper layer is a clear layer, the middle layer is a stable oil layer and the lower layer is a precipitate layer, removing the upper layer by adopting a centrifugal separation method, and collecting the middle layer oil.
9. The method for preparing the low-copper high-molybdenum ore collector according to claim 5, wherein: the heating temperature was 45 ℃.
10. The method for preparing the low-copper high-molybdenum ore collector according to claim 5, wherein: the stirring time is 4min, and the standing time is 36 h.
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| CN202010348607.4A CN111558464B (en) | 2020-04-28 | 2020-04-28 | Low-copper high-molybdenum ore collecting agent and preparation method thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102513220A (en) * | 2011-12-21 | 2012-06-27 | 大冶有色设计研究院有限公司 | Chemical composition for recycling copper concentrate and molybdenum concentrate from copper and molybdenum mixed concentrate pulp |
| CN103028496A (en) * | 2011-10-10 | 2013-04-10 | 山东科技大学 | Microemulsion method of molybdenum ore collecting agents |
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2020
- 2020-04-28 CN CN202010348607.4A patent/CN111558464B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103028496A (en) * | 2011-10-10 | 2013-04-10 | 山东科技大学 | Microemulsion method of molybdenum ore collecting agents |
| CN102513220A (en) * | 2011-12-21 | 2012-06-27 | 大冶有色设计研究院有限公司 | Chemical composition for recycling copper concentrate and molybdenum concentrate from copper and molybdenum mixed concentrate pulp |
Non-Patent Citations (4)
| Title |
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| 喻连香等: "某钼矿的选矿工艺探讨 ", 《材料研究与应用》 * |
| 朱建光: "《浮选药剂》", 30 April 1993, 冶金工业出版社 * |
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