CN101956077A - Method for recovering beryllium by floating beryllium uranium ore leaching residues - Google Patents
Method for recovering beryllium by floating beryllium uranium ore leaching residues Download PDFInfo
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- CN101956077A CN101956077A CN200910311623XA CN200910311623A CN101956077A CN 101956077 A CN101956077 A CN 101956077A CN 200910311623X A CN200910311623X A CN 200910311623XA CN 200910311623 A CN200910311623 A CN 200910311623A CN 101956077 A CN101956077 A CN 101956077A
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- beryllium
- leached mud
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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
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Abstract
The invention discloses a method for recovering beryllium by floating beryllium uranium ore leaching residues, which comprises the following steps of: ball-milling the beryllium uranium leaching residues and then performing size mixing to obtain ore pulp with the concentration of 40 to 50 percent; adding a modifier and performing uniform stirring; adding a fatty acid collecting agent; and finally heating the ore pulp to 30 to 45 DEG C, and performing uniform forced-stirring and floatation to obtain froth products which are beryllium concentrates. Due to the adoption of a high-density pulp high-temperature forced-stirring floatation method for performing floatation treatment on the residues, the method has the advantages of good effects, realization of recovery of the beryllium from the beryllium uranium residues, the beryllium recovery rate of 76 percent, simple process flow, no pollutions and the like.
Description
Technical field
The invention belongs to agent leached mud flotation technology field, is a kind of method of beryllium uranium ore leached mud floatation recovery beryllium, relates to and contains berryllium mineral and gangue high efficiency separation and floating and enriching beryllium, belongs to rare metal comprehensive reutilization field.
Background technology
Beryllium is industrial important materials.Industrial beryllium major part is used for the production of beryllium copper with the beryllium oxide form, and small portion is used with the metallic beryllium form, and other has a small amount of as beryllium oxide ceramics etc.Particularly nuclear power, aerospace and fields such as aviation, metallurgy have important use.In the nuclear power field, as utilize beryllium can make seed propagation do the parts such as reflecting layer, moderator and Nuclear weapons etc. of reactor experiment; Make the switching shell and the covering of rocket, guided missile, spaceship at aerospace and aircraft industry, the structured material of air dreadnought, shuttle, make aircraft arrestment energy absorber and aircraft, airship, guided missile and navigation parts, the additive of the high energy fuels of rocket, guided missile, jet airplane; Be the steel alloy additive in metallurgical industry, also can make alloys such as beryllium copper, beryllium nickel, aluminizing.In addition, also be used to make refractory materials and special glass, unicircuit, antenna etc.Therefore, beryllium is China's important strategic resource.
At present, the exhaustion day by day of the privately owned metallic beryllium resource of China, the source of expansion resource is improved resource utilization and is become one of important channel that solves resource scarcity.Therefore, the comprehensive reutilization to the beryllium slag just seems particularly important.
Traditional beryllium ore resources mainly is beryl and phenakite, and the recycling of beryllium slag also will become one of important source of beryllium resource, at present, the processing of beryllium slag is reclaimed do not appear in the newspapers yet both at home and abroad.The present invention will carry out the floatation recovery beryllium to the beryllium slag first, to improving the beryllium level of resources utilization, promote beryllium industry technology level comprehensively and will have vital role.
Summary of the invention
The method that the purpose of this invention is to provide a kind of beryllium uranium ore leached mud floatation recovery beryllium.This method has advantages such as technical process is simple, effective, pollution-free.Can not only improve the comprehensive utilization ratio of beryllium slag, also the comprehensive reutilization for the beryllium resource provides a kind of new effective way.
A kind of method of beryllium uranium ore leached mud floatation recovery beryllium is characterized in that, may further comprise the steps:
A, size mixing after beryllium uranium leached mud gone into ball milling, the ore pulp mass concentration is 40%-50%;
Agent is adjusted in b, adding, stirs; Add fatty acid collecting agent again;
C, ore pulp is heated to 30-45 ℃, enter flotation after the strong mixing evenly, the froth product that obtains is a beryllium concentrate.
Described a in the step ball milling to the leached mud of-0.045mm account for 90%.
The pH of ore pulp was 2-11 during described a went on foot.
It is Na that described b adjusts agent in the step
2CO
3Or NaHCO
3, consumption is the 1000-2000g/t leached mud.
Collecting agent was the collecting agent of lipid acid (oleic acid or hydroximic acid) combination during described b went on foot, and consumption is the 500-1500g/t leached mud
During described c goes on foot, the rotating speed 1500-2500r/min of strong mixing, churning time is 40-80min.
Recycling situation at beryllium uranium ore leached mud resource, because beryllium slag mineral composition complexity, the impurity height, grade is low, with the gangue mineral separation difficulty, there is not method for floating to handle at present as yet, the present invention will adopt the method for underflow strong mixing flotation to reclaim the beryllium resource first, can not only improve the comprehensive utilization ratio of beryllium slag, provide a feasible approach for solving the unrenewable difficult problem of beryllium slag.
The present invention adopts underflow high temperature strong mixing flotation that slag is carried out flotation and handles.Do you think after the present invention gropes by a large amount of practices the ore pulp mass concentration preferably are controlled at 40? 0%, carry out strong mixing before the flotation and slurry temperature is controlled at 30-45 degree centigrade, so that the collecting agent agent molecule fully acts on the purpose mineral better, strengthen collecting agent selectivity collecting ability, improve the purpose mineral recovery rate.Adopt the oxidized ore collecting agent of fatty acid, can will contain the berryllium mineral enriching and recovering, thereby reach effectively separating of beryllium ore deposit and gangue mineral.This method has advantages such as technical process is simple, effective, pollution-free.
Description of drawings
Fig. 1 is the closed-circuit test schema of the embodiment of the invention 1 actual ore.
The specific examples mode
Following examples are intended to illustrate the present invention rather than limitation of the invention further.
Embodiment 1
Adopt the inventive method, Xinjiang beryllium uranium leached mud is tested.The ore pulp mass concentration is controlled at 40%, carry out strong mixing before the flotation and slurry temperature is controlled at 30 ℃, stirring intensity is 2000 commentaries on classics/min, churning time is 60min, adopt the oxidized ore collecting agent of fatty acid, can will contain the berryllium mineral enriching and recovering, thus reach effectively separating of beryllium ore deposit and gangue mineral.In this example, adopting and adjusting agent is Na
2CO
3Or NaHCO
3, consumption is 1000g/t.Adding collecting agent is the collecting agent of oleic acid or fatty acids such as hydroximic acid or several lipid acid combinations, and consumption is 1000g/t.Can obtain more satisfactory ore dressing result, concrete floatation indicators is as follows:
Table one Xinjiang beryllium uranium leached mud flotation results
| Product | Productive rate/% | Be grade/% | The rate of recovery/% |
| Concentrate | 4.36? | 2.62? | 76.15? |
| Mine tailing | 95.64? | 0.037? | 23.85? |
| Raw ore | 100? | 0.15? | 100? |
Embodiment 2
Adopt the inventive method, Sichuan beryllium uranium leached mud has been carried out condition test.Experiment process also adopts Fig. 1.The ore pulp mass concentration is controlled at 50%, carry out strong mixing before the flotation and slurry temperature is controlled at 45 ℃, stirring velocity is 2000 commentaries on classics/min, churning time is 80 minutes, adopt the oxidized ore collecting agent of fatty acid, can will contain the berryllium mineral enriching and recovering, thus reach effectively separating of beryllium ore deposit and gangue mineral.In this example, adopting and adjusting agent is Na
2CO
3Or NaHCO
3, consumption is 1500g/t.Adding collecting agent is the collecting agent of oleic acid or fatty acids such as hydroximic acid or several lipid acid combinations, and consumption is 800g/t.Can obtain more satisfactory ore dressing result, concrete floatation indicators is as follows:
Table two Sichuan beryllium uranium leached mud flotation results
| Product | Productive rate/% | Be grade/% | The rate of recovery/% |
| Concentrate | 4.66? | 2.42? | 75.18? |
| Mine tailing | 92.34? | 0.036? | 24.82? |
| Raw ore | 100? | 0.15? | 100? |
Example can be found out thus, adopts the present invention, and different local beryllium slags are all had effect preferably.Illustrate that the present invention has stronger adaptability to such beryllium slag.
Claims (6)
1. the method for a beryllium uranium ore leached mud floatation recovery beryllium is characterized in that, may further comprise the steps:
A, size mixing after beryllium uranium leached mud gone into ball milling, the ore pulp mass concentration is 40%-50%;
Agent is adjusted in b, adding, stirs; Add fatty acid collecting agent again;
C, ore pulp is heated to 30-45 ℃, enter flotation after the strong mixing evenly, the froth product that obtains is a beryllium concentrate.
2. the method for beryllium uranium ore leached mud floatation recovery beryllium according to claim 1 is characterized in that, described a in the step ball milling to the leached mud of-0.045mm account for 90%.
3. the method for beryllium uranium ore leached mud floatation recovery beryllium according to claim 1 is characterized in that, the pH of ore pulp was 2-11 during described a went on foot.
4. the method for beryllium uranium ore leached mud floatation recovery beryllium according to claim 1 is characterized in that, it is Na2CO3 or NaHCO3 that described b adjusts agent in the step, and consumption is the 1000-2000g/t leached mud.
5. the method for beryllium uranium ore leached mud floatation recovery beryllium according to claim 1 is characterized in that, collecting agent was the collecting agent of lipid acid combination during described b went on foot, and consumption is the 500-1500g/t leached mud.
6. the method for beryllium uranium ore leached mud floatation recovery beryllium according to claim 1 is characterized in that, during described c goes on foot, and the rotating speed 1500-2500r/min of strong mixing, churning time is 40-80min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910311623XA CN101956077A (en) | 2009-12-16 | 2009-12-16 | Method for recovering beryllium by floating beryllium uranium ore leaching residues |
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| CN200910311623XA CN101956077A (en) | 2009-12-16 | 2009-12-16 | Method for recovering beryllium by floating beryllium uranium ore leaching residues |
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|---|---|
| CN101956077A true CN101956077A (en) | 2011-01-26 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102168184A (en) * | 2011-05-27 | 2011-08-31 | 广州有色金属研究院 | Method for extracting beryllium oxide from low-grade beryllium ore |
| CN103846164A (en) * | 2012-12-07 | 2014-06-11 | 核工业北京地质研究院 | Method for extracting beryllium concentrates from uranium-leached tailings containing bertrandite |
| CN105734282A (en) * | 2016-03-15 | 2016-07-06 | 香花岭锡业有限责任公司 | Method for leaching beryllium in alumoberyl type beryllium ore |
| CN106179769A (en) * | 2016-09-19 | 2016-12-07 | 中南大学 | The method of metallic copper in copper metallurgy waste refractory materials is reclaimed in a kind of flotation |
-
2009
- 2009-12-16 CN CN200910311623XA patent/CN101956077A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102168184A (en) * | 2011-05-27 | 2011-08-31 | 广州有色金属研究院 | Method for extracting beryllium oxide from low-grade beryllium ore |
| CN103846164A (en) * | 2012-12-07 | 2014-06-11 | 核工业北京地质研究院 | Method for extracting beryllium concentrates from uranium-leached tailings containing bertrandite |
| CN105734282A (en) * | 2016-03-15 | 2016-07-06 | 香花岭锡业有限责任公司 | Method for leaching beryllium in alumoberyl type beryllium ore |
| CN106179769A (en) * | 2016-09-19 | 2016-12-07 | 中南大学 | The method of metallic copper in copper metallurgy waste refractory materials is reclaimed in a kind of flotation |
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Inventor after: Sun Wei Inventor after: Huang Hongjun Inventor after: Hu Yuehua Inventor after: Geng Zhiqiang Inventor after: Zhang Lin Inventor after: Li Qinghai Inventor after: Zhao Chun Inventor after: Zheng Yuanze Inventor before: Sun Wei Inventor before: Huang Hongjun Inventor before: Hu Yuehua Inventor before: Geng Zhiqiang |
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Effective date of registration: 20110727 Address after: 410083 Hunan province Changsha Hexi Lushan South Road, No. 1 Applicant after: Central South University Co-applicant after: 216 Party China National Nuclear Corporation Address before: 410083 Hunan province Changsha Hexi Lushan South Road, No. 1 Applicant before: Central South University |
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