CN112439551A - Synthesis process of rare earth collecting agent - Google Patents
Synthesis process of rare earth collecting agent Download PDFInfo
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- CN112439551A CN112439551A CN202011204552.6A CN202011204552A CN112439551A CN 112439551 A CN112439551 A CN 112439551A CN 202011204552 A CN202011204552 A CN 202011204552A CN 112439551 A CN112439551 A CN 112439551A
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- rare earth
- dithiophosphate
- naphthaloximate
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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
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Abstract
The invention discloses a synthesis process of a rare earth collecting agent, which comprises the following steps: s1, weighing the raw materials; s2, adding the raw materials into water according to the weight ratio, and stirring to prepare a solution; s3, carrying out ultrasonic oscillation on the solution for a specified time; s4, acting on the solution through a Kelvin electrostatic generator to enable the solution to be charged electrostatically; and S5, storing the solution in an insulated container. The invention can greatly improve the rare earth collecting efficiency, can play a good role in both high-grade rare earth ore sources and low-grade rare earth ore sources, and can efficiently separate the rare earth in the ore sources.
Description
Technical Field
The invention relates to a synthesis process of a rare earth collecting agent, belonging to the technical field of synthesis processes of rare earth collecting agents.
Background
Rare earth is called as industrial gold, and because of excellent physical properties such as photoelectromagnetism and the like, the rare earth can form novel materials with different performances and various varieties with other materials, and the most obvious function of the rare earth is to greatly improve the quality and the performance of other products. For example, the tactical performance of steel, aluminum alloy, magnesium alloy and titanium alloy for manufacturing tanks, airplanes and missiles is greatly improved. And, rare earths are also high-tech lubricants for electronics, lasers, nuclear industry, superconductors, and the like. Once applied to military affairs, rare earth technology inevitably brings about the leap of military technology. The rare earth reserves in China account for 71.1 percent of the world at most, and account for less than 23 percent at present. The Chinese rare earth reserves greatly drop 37 percent between 1996 and 2009, and only 2700 million tons are remained. According to the existing production speed, the reserves of the medium and heavy rare earth in China can only be maintained for 15 to 20 years, and the demands in China can be met only by importing the medium and heavy rare earth from abroad before and after 2040-2050 years. For the reasons, the technical problem to be solved urgently is to provide the high-efficiency rare earth collecting agent.
Disclosure of Invention
The invention aims to provide a synthesis process of a rare earth collecting agent, which can greatly improve the collecting efficiency of rare earth, play a good role in both high-grade rare earth ore sources and low-grade rare earth ore sources and efficiently separate the rare earth in the ore sources.
In order to solve the technical problems, the invention adopts the following technical scheme:
a synthesis process of a rare earth collector comprises the following steps: s1, weighing the raw materials; s2, adding the raw materials into water according to the weight ratio, and stirring to prepare a solution; s3, carrying out ultrasonic oscillation on the solution for a specified time; s4, acting on the solution through a Kelvin electrostatic generator to enable the solution to be charged electrostatically; and S5, storing the solution in an insulated container.
In the foregoing synthesis process of the rare earth collector, the step S1 specifically includes the following steps: weighing 20-30 parts of hydrocarbyl xanthate, 10-15 parts of diisopropyl sodium dithiophosphate, 9-16 parts of hydrocarbyl dithiophosphate, 17-36 parts of xanthogenate, 30-50 parts of 1-naphthalene hydroxamic acid, 8-16 parts of salicylaldoxime, 20-30 parts of beta-furfural oxime, 7-21 parts of 1 octyl hydroxamic acid and 31-38 parts of naphthalene formaldehyde hydroxamic acid according to the weight ratio.
In the foregoing synthesis process of the rare earth collector, the step S2 specifically includes the following steps: mixing the raw materials and water according to the proportion of 2: 1, and stirring.
In the foregoing synthesis process of the rare earth collector, the step S3 specifically includes the following steps: and (3) carrying out ultrasonic oscillation on the solution for more than 30 minutes.
In the foregoing synthesis process of the rare earth collector, the step S4 specifically includes the following steps: the solution is acted on by a Kelvin electrostatic generator, and is treated according to 1 hour per liter of solution, and the more the solution is, the longer the electrostatic treatment time is, so that the solution is charged with negative polarity.
In the foregoing synthesis process of the rare earth collector, the step S1 specifically includes the following steps: weighing 20 parts of hydrocarbyl xanthate, 10 parts of diisopropyl sodium dithiophosphate, 9 parts of hydrocarbyl dithiophosphate, 27 parts of xanthogenate, 30 parts of 1-naphthaloximate, 8 parts of salicylaldoxime, 20 parts of beta-furfurylaldoxime, 17 parts of octyl hydroxamic acid and 31 parts of naphthaloximate according to the weight ratio.
In the foregoing synthesis process of the rare earth collector, the step S1 specifically includes the following steps: weighing 30 parts of hydrocarbyl xanthate, 15 parts of diisopropyl sodium dithiophosphate, 16 parts of hydrocarbyl dithiophosphate, 36 parts of xanthogenate, 50 parts of 1-naphthaloximate, 16 parts of salicylaldoxime, 30 parts of beta-furfurylaldoxime, 21 parts of 1 octyl hydroxamic acid and 38 parts of naphthaloximate according to the weight ratio.
In the foregoing synthesis process of the rare earth collector, the step S1 specifically includes the following steps: 27 parts of hydrocarbyl xanthate, 11 parts of diisopropyl sodium dithiophosphate, 13 parts of hydrocarbyl dithiophosphate, 21 parts of xanthogenate, 41 parts of 1-naphthaloximate, 11 parts of salicylaldoxime, 26 parts of beta-furfuraldoxime, 13 parts of 1 octyl hydroxamic acid and 34 parts of naphthaloximate are weighed according to the weight ratio.
Compared with the prior art, the rare earth collecting device can greatly improve the rare earth collecting efficiency, can play a good role in both high-grade rare earth ore sources and low-grade rare earth ore sources, and can efficiently separate out rare earth in the ore sources.
Detailed Description
Example 1 of the invention: a synthesis process of a rare earth collector comprises the following steps:
s1, weighing the raw materials; weighing 20 parts of alkyl xanthate, 10 parts of diisopropyl sodium dithiophosphate, 9 parts of alkyl dithiophosphate, 27 parts of dixanthogenic acid salt, 30 parts of 1-naphthaloximate, 8 parts of salicylaldoxime, 20 parts of beta-furfurylaldoxime, 17 parts of octyl hydroxamic acid and 31 parts of naphthaloximate according to the weight ratio.
S2, adding the raw materials into water according to the weight ratio, and stirring to prepare a solution; mixing the raw materials and water according to the proportion of 2: 1, mixing and stirring;
s3, carrying out ultrasonic oscillation on the solution for a specified time; performing ultrasonic oscillation on the solution for more than 30 minutes;
s4, acting on the solution through a Kelvin electrostatic generator to enable the solution to be charged electrostatically; the solution is treated by a Kelvin electrostatic generator in a way that each liter of solution is 1 hour, and the more the solution is, the longer the electrostatic treatment time is, so that the solution has negative polarity;
and S5, storing the solution in an insulated container.
Example 2: a synthesis process of a rare earth collector comprises the following steps:
s1, weighing the raw materials; weighing 30 parts of alkyl xanthate, 15 parts of diisopropyl sodium dithiophosphate, 16 parts of alkyl dithiophosphate, 36 parts of dixanthogenic acid salt, 50 parts of 1-naphthaloximate, 16 parts of salicylaldoxime, 30 parts of beta-furfuraldoxime, 21 parts of 1 octyl hydroxamic acid and 38 parts of naphthaloximate according to the weight ratio.
S2, adding the raw materials into water according to the weight ratio, and stirring to prepare a solution; mixing the raw materials and water according to the proportion of 2: 1, mixing and stirring;
s3, carrying out ultrasonic oscillation on the solution for a specified time; performing ultrasonic oscillation on the solution for more than 30 minutes;
s4, acting on the solution through a Kelvin electrostatic generator to enable the solution to be charged electrostatically; the solution is treated by a Kelvin electrostatic generator in a way that each liter of solution is 1 hour, and the more the solution is, the longer the electrostatic treatment time is, so that the solution has negative polarity;
and S5, storing the solution in an insulated container.
Example 3: a synthesis process of a rare earth collector comprises the following steps:
s1, weighing the raw materials; weighing 27 parts of alkyl xanthate, 11 parts of diisopropyl sodium dithiophosphate, 13 parts of alkyl dithiophosphate, 21 parts of xanthogenate, 41 parts of 1-naphthaloximate, 11 parts of salicylaldoxime, 26 parts of beta-furfuraldoxime, 13 parts of 1 octyl hydroxamic acid and 34 parts of naphthaloximate according to weight ratio.
S2, adding the raw materials into water according to the weight ratio, and stirring to prepare a solution; mixing the raw materials and water according to the proportion of 2: 1, mixing and stirring;
s3, carrying out ultrasonic oscillation on the solution for a specified time; performing ultrasonic oscillation on the solution for more than 30 minutes;
s4, acting on the solution through a Kelvin electrostatic generator to enable the solution to be charged electrostatically; the solution is treated by a Kelvin electrostatic generator in a way that each liter of solution is 1 hour, and the more the solution is, the longer the electrostatic treatment time is, so that the solution has negative polarity;
and S5, storing the solution in an insulated container.
Respectively acting the conventional rare earth collector, the rare earth collector prepared in the embodiment 1, the rare earth collector prepared in the embodiment 2 and the rare earth collector prepared in the embodiment 3 on concentrate and coarse ore with the same quality, wherein the recovery rates of the conventional rare earth collector on the concentrate and the coarse ore are respectively 61% and 31%; the recovery rates of the rare earth collectors prepared in example 1 for the concentrate and the coarse ore were 77% and 48%, respectively; the recovery rates of the rare earth collectors prepared in example 2 for the concentrate and the coarse ore were 71% and 39%, respectively; the recovery rates of the rare earth collectors prepared in example 3 for the concentrate and the coarse ore were 81% and 52%, respectively. The rare earth collector prepared by the process has such excellent effect because the steps S3 and S4 in the synthesis process and the raw materials with special components are adopted, the step S3 can enable the components in the solution to be highly mixed, and the step S4 can enable the collector to have electric polarity, so that the collector and the rare earth are adsorbed together and then gathered together, and the impurities contained in the collector are less, and the rare earth collector needs to be stored in an insulating container.
Claims (8)
1. The synthesis process of the rare earth collector is characterized by comprising the following steps:
s1, weighing the raw materials;
s2, adding the raw materials into water according to the weight ratio, and stirring to prepare a solution;
s3, carrying out ultrasonic oscillation on the solution for a specified time;
s4, acting on the solution through a Kelvin electrostatic generator to enable the solution to be charged electrostatically;
and S5, storing the solution in an insulated container.
2. The process of synthesizing a rare earth collector according to claim 1, wherein the step S1 specifically includes the following contents: weighing 20-30 parts of alkyl xanthate, 10-15 parts of diisopropyl sodium dithiophosphate, 9-16 parts of alkyl dithiophosphate, 17-36 parts of xanthogenate, 30-50 parts of 1-naphthalene hydroxamic acid, 8-16 parts of salicylaldoxime, 20-30 parts of beta-furfural oxime, 7-21 parts of 1 octyl hydroxamic acid and 31-38 parts of naphthalene formaldehyde hydroxamic acid according to the weight ratio.
3. The process of synthesizing a rare earth collector according to claim 1, wherein the step S2 specifically includes the following contents: mixing the raw materials and water according to the proportion of 2: 1, and stirring.
4. The process of synthesizing a rare earth collector according to claim 1, wherein the step S3 specifically includes the following contents: and (3) carrying out ultrasonic oscillation on the solution for more than 30 minutes.
5. The process of synthesizing a rare earth collector according to claim 1, wherein the step S4 specifically includes the following contents: the solution is acted on by a Kelvin electrostatic generator, and is treated according to 1 hour per liter of solution, and the more the solution is, the longer the electrostatic treatment time is, so that the solution is charged with negative polarity.
6. The process of synthesizing a rare earth collector according to claim 1, wherein the step S1 specifically includes the following contents: weighing 20 parts of alkyl xanthate, 10 parts of diisopropyl sodium dithiophosphate, 9 parts of alkyl dithiophosphate, 27 parts of dixanthogenic acid salt, 30 parts of 1-naphthaloximate, 8 parts of salicylaldoxime, 20 parts of beta-furfuraldoxime, 17 parts of octyl hydroxamic acid and 31 parts of naphthaloximate according to weight ratio.
7. The process of synthesizing a rare earth collector according to claim 1, wherein the step S1 specifically includes the following contents: weighing 30 parts of alkyl xanthate, 15 parts of diisopropyl sodium dithiophosphate, 16 parts of alkyl dithiophosphate, 36 parts of dixanthogenic acid salt, 50 parts of 1-naphthaloximate, 16 parts of salicylaldoxime, 30 parts of beta-furfuraldoxime, 21 parts of 1 octyl hydroxamic acid and 38 parts of naphthaloximate according to weight ratio.
8. The process of synthesizing a rare earth collector according to claim 1, wherein the step S1 specifically includes the following contents: weighing 27 parts of alkyl xanthate, 11 parts of diisopropyl sodium dithiophosphate, 13 parts of alkyl dithiophosphate, 21 parts of xanthogenate, 41 parts of 1-naphthaloximate, 11 parts of salicylaldoxime, 26 parts of beta-furfuryloxime, 13 parts of 1 octyl hydroxamic acid and 34 parts of naphthaloximate according to weight ratio.
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