CN103771431A - Magnetization method of kaolinite particle surface - Google Patents
Magnetization method of kaolinite particle surface Download PDFInfo
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- CN103771431A CN103771431A CN201310697518.0A CN201310697518A CN103771431A CN 103771431 A CN103771431 A CN 103771431A CN 201310697518 A CN201310697518 A CN 201310697518A CN 103771431 A CN103771431 A CN 103771431A
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- kaolinite
- kaolinite particle
- fecl
- ore pulp
- particle surface
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Abstract
The invention relates to a magnetization method of kaolinite, and particularly relates to a magnetization method of a kaolinite particle surface. The magnetization method comprises the following steps of selecting kaolinite particles, cleaning and drying; preparing FeCl2 and FeCl3 mixed solution with the molar mass ratio of 1:3 to 2:3; taking kaolinite particles, adding water and stirring to form pulp so that the mass concentration of kaolinite particle is 15-20%; stirring the pulp, adding the mixed solution into the pulp for stirring; taking ammonia solution with the volume concentration of 20-25% and adding into the pulp; stirring the pulp for thermal insulation; and clarifying to take sediment. The kaolinite particle surface is magnetized by a chemical method, so that the nonmagnetic kaolinite particle has magnetism so as to remove or enrich kaolinite particles through magnetic separation.
Description
Technical field
The present invention relates to a kind of kaolinite Magnitizing method, particularly relate to a kind of Magnitizing method that makes the magnetic kaolinite particle surface of non-magnetic kaolinite particle tool.
Background technology
Kaolinite itself is nonmagnetic, is widely used in pottery, glass, chemistry and fire resisting material field as raw material.
After kaolinite particle mixes with the particle of other materials, common separation method is difficult to make kaolinite particle and other particle separation.This is restricted in the application in some field kaolinite.
Therefore need the Magnitizing method that a kind of kaolinite particle surface is provided badly, thereby can remove or enrichment kaolinite particle by magnetic contrast between particle.
Summary of the invention
The technical problem to be solved in the present invention is to provide one makes non-magnetic kaolinite particle have magnetic, thereby can be by the Magnitizing method of the kaolinite particle surface of magnetic contrast removal or enrichment kaolinite particle between particle.
For solving the problems of the technologies described above, the Magnitizing method of a kind of kaolinite particle surface of the present invention, comprises the following steps successively:
Step 1, choose kaolinite particle, use washed with de-ionized water, dry;
Step 2, preparation are containing FeCl
2with FeCl
3mixed aqueous solution, FeCl in solution
2with FeCl
3molar mass compares 1:3-2:3;
Step 3, the kaolinite particle of getting oven dry add deionized water, stir and form ore pulp, and the mass concentration that makes kaolinite particle in ore pulp is 15%～20%;
The ore pulp that step 4, stirring contain kaolinite particle, gets the FeCl having prepared
2with FeCl
3mixed aqueous solution, join in ore pulp, stir;
Step 5, get the ammonia soln that volumetric concentration is 20-25%, join in the ore pulp in stirring;
Step 6, stirring ore pulp, be incubated;
After step 7, clarification, get precipitation, by washed with de-ionized water, dry, obtain the kaolinite particle of surface magnetization.
In described step 1, choose the kaolinite particle that granularity is less than 0.074mm.
In described step 1, use washed with de-ionized water 2-3 time.
In described step 2, FeCl in solution
2concentration is 0.1mol/L-0.15mol/L.
In described step 4, FeCl
2solute quality is every kilogram of kaolinite particle 0.15g-0.18g.
In described step 4, mixing speed is 800-900r/min, and churning time is 2-3min.
In described step 5, ammonia soln consumption is every kilogram of kaolinite particle 0.5ml-0.75ml.
In step 6, at 75-80 ℃, insulation 30-40min.
In step 7, use washed with de-ionized water 2-3 time.
Beneficial effect of the present invention is: the present invention is magnetized kaolinite particle surface by chemical process, makes non-magnetic kaolinite particle have magnetic, removes or enrichment kaolinite particle by magnetic separation thereby realize.Adopt washed with de-ionized water kaolinite particle, thereby remove kaolinite surface impurity.The ammonia soln that is 20% by volumetric concentration, realizes kaolinite particle and produces magnetization reaction.Stir the ore pulp that kaolinite and ammonia soln form, insulation at a certain temperature, thereby strengthening magnetization reaction.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail.
Embodiment mono-
The Magnitizing method of a kind of kaolinite particle surface provided by the present invention, comprises the following steps successively:
Step 1, choose the kaolinite particle 1kg that granularity is less than 0.074mm, use washed with de-ionized water 2 times, dry;
Step 2, preparation are containing FeCl
2with FeCl
3mixed aqueous solution, FeCl in mixed aqueous solution
2concentration be 0.1mol/L, FeCl
3concentration be 0.3mol/L;
Step 3, the kaolinite particle of getting oven dry add deionized water, stir and form ore pulp, and the mass concentration that makes kaolinite particle in ore pulp is 15%;
The ore pulp that step 4, stirring contain kaolinite particle, mixing speed is 800r/min; Get the FeCl having prepared
2with FeCl
3mixed aqueous solution, join in ore pulp; Guarantee FeCl in ore pulp
2solute quality is to contain FeCl in every kilogram of kaolinite particle
2solute 0.15g, stirs 2min;
Step 5, to get volumetric concentration be 20% ammonia soln, joins in the ore pulp in stirring, and ammonia soln consumption is to contain ammonia soln 0.5ml in every kilogram of kaolinite particle;
Step 6, stirring ore pulp, at 75 ℃, insulation 40min;
After step 7, clarification, get precipitation, use washed with de-ionized water 2 times, dry, obtain the kaolinite particle of surface magnetization.
Embodiment bis-
The Magnitizing method of a kind of kaolinite particle surface provided by the present invention, comprises the following steps successively:
Step 1, choose the kaolinite particle 1kg that granularity is less than 0.074mm, use washed with de-ionized water 2 times, dry;
Step 2, preparation are containing FeCl
2with FeCl
3mixed aqueous solution, FeCl in mixed aqueous solution
2concentration be 0.1mol/L, FeCl
3concentration be 0.15mol/L;
Step 3, the kaolinite particle of getting oven dry add deionized water, stir and form ore pulp, and the mass concentration that makes kaolinite particle in ore pulp is 17%;
The ore pulp that step 4, stirring contain kaolinite particle, mixing speed is 800r/min; Get the FeCl having prepared
2with FeCl
3mixed aqueous solution, join in ore pulp; Guarantee FeCl in ore pulp
2solute quality is to contain FeCl in every kilogram of kaolinite particle
2solute 0.16g, stirs 2min;
Step 5, to get volumetric concentration be 22% ammonia soln, joins in the ore pulp in stirring, and ammonia soln consumption is to contain ammonia soln 0.6ml in every kilogram of kaolinite particle;
Step 6, stirring ore pulp, at 75 ℃, insulation 40min;
After step 7, clarification, get precipitation, use washed with de-ionized water 2 times, dry, obtain the kaolinite particle of surface magnetization.
Embodiment tri-
The Magnitizing method of a kind of kaolinite particle surface provided by the present invention, comprises the following steps successively:
Step 1, choose the kaolinite particle that granularity is less than 0.074mm, use washed with de-ionized water three times, dry;
Step 2, preparation are containing FeCl
2with FeCl
3mixed aqueous solution, FeCl in mixed aqueous solution
2concentration be 0.15mol/L, FeCl
3concentration be 0.45mol/L;
Step 3, the kaolinite particle of getting oven dry add deionized water, stir and form ore pulp, and the mass concentration that makes kaolinite particle in ore pulp is 18%;
The ore pulp that step 4, stirring contain kaolinite particle, mixing speed is 850r/min; Get the FeCl having prepared
2with FeCl
3mixed aqueous solution, join in ore pulp; Guarantee FeCl in ore pulp
2solute quality is to contain FeCl in every kilogram of kaolinite particle
2solute 0.17g, stirs 3min;
Step 5, to get volumetric concentration be 24% ammonia soln, joins in the ore pulp in stirring, and ammonia soln consumption is to contain ammonia soln 0.7ml in every kilogram of kaolinite particle;
Step 6, stirring ore pulp, at 80 ℃, insulation 30min;
After step 7, clarification, get precipitation, use washed with de-ionized water 3 times, dry, obtain the kaolinite particle of surface magnetization.
Embodiment tetra-
The Magnitizing method of a kind of kaolinite particle surface provided by the present invention, comprises the following steps successively:
Step 1, choose the kaolinite particle that granularity is less than 0.074mm, use washed with de-ionized water three times, dry;
Step 2, preparation are containing FeCl
2with FeCl
3mixed aqueous solution, FeCl in mixed aqueous solution
2concentration be 0.15mol/L, FeCl
3concentration be 0.225mol/L;
Step 3, the kaolinite particle of getting oven dry add deionized water, stir and form ore pulp, and the mass concentration that makes kaolinite particle in ore pulp is 20%;
The ore pulp that step 4, stirring contain kaolinite particle, mixing speed is 900r/min; Get the FeCl having prepared
2with FeCl
3mixed aqueous solution, join in ore pulp; Guarantee FeCl in ore pulp
2solute quality is to contain FeCl in every kilogram of kaolinite particle
2solute 0.18g, stirs 3min;
Step 5, to get volumetric concentration be 25% ammonia soln, joins in the ore pulp in stirring, and ammonia soln consumption is to contain ammonia soln 0.75ml in every kilogram of kaolinite particle;
Step 6, stirring ore pulp, at 80 ℃, insulation 30min;
After step 7, clarification, get precipitation, use washed with de-ionized water 3 times, dry, obtain the kaolinite particle of surface magnetization.
The present invention is explained in detail above, but the present invention is not limited to above-described embodiment in conjunction with the embodiments, in the ken possessing those of ordinary skills, can also under the prerequisite that does not depart from aim of the present invention, makes various variations.The content not being described in detail in the present invention all can adopt prior art.
Claims (9)
1. a Magnitizing method for kaolinite particle surface, comprises the following steps successively:
Step 1, choose kaolinite particle, use washed with de-ionized water, dry;
Step 2, preparation are containing FeCl
2with FeCl
3mixed aqueous solution, FeCl in solution
2with FeCl
3molar mass compares 1:3-2:3;
Step 3, the kaolinite particle of getting oven dry add deionized water, stir and form ore pulp, and the mass concentration that makes kaolinite particle in ore pulp is 15%～20%;
The ore pulp that step 4, stirring contain kaolinite particle, gets the FeCl having prepared
2with FeCl
3mixed aqueous solution, join in ore pulp, stir;
Step 5, get the ammonia soln that volumetric concentration is 20-25%, join in the ore pulp in stirring;
Step 6, stirring ore pulp, be incubated;
After step 7, clarification, get precipitation, by washed with de-ionized water, dry, obtain the kaolinite particle of surface magnetization.
2. the Magnitizing method of a kind of kaolinite particle surface according to claim 1, is characterized in that: in described step 1, choose the kaolinite particle that granularity is less than 0.074mm.
3. the Magnitizing method of a kind of kaolinite particle surface according to claim 2, is characterized in that: in described step 1, use washed with de-ionized water 2-3 time.
4. the Magnitizing method of a kind of kaolinite particle surface according to claim 3, is characterized in that: in described step 2, and FeCl in solution
2concentration is 0.1mol/L-0.15mol/L.
5. the Magnitizing method of a kind of kaolinite particle surface according to claim 1, is characterized in that: in described step 4, and FeCl
2solute quality is every kilogram of kaolinite particle 0.15g-0.18g.
6. the Magnitizing method of a kind of kaolinite particle surface according to claim 5, is characterized in that: in described step 4, mixing speed is 800-900r/min, and churning time is 2-3min.
7. the Magnitizing method of a kind of kaolinite particle surface according to claim 6, is characterized in that: in described step 5, ammonia soln consumption is every kilogram of kaolinite particle 0.5ml-0.75ml.
8. the Magnitizing method of a kind of kaolinite particle surface according to claim 7, is characterized in that: in described step 6, and at 75-80 ℃, insulation 30-40min.
9. the Magnitizing method of a kind of kaolinite particle surface according to claim 8, is characterized in that: in described step 7, use washed with de-ionized water 2-3 time.
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| CN201310697518.0A CN103771431A (en) | 2013-12-18 | 2013-12-18 | Magnetization method of kaolinite particle surface |
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|---|---|---|---|
| CN201310697518.0A CN103771431A (en) | 2013-12-18 | 2013-12-18 | Magnetization method of kaolinite particle surface |
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| CN103771431A true CN103771431A (en) | 2014-05-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106881063A (en) * | 2017-02-15 | 2017-06-23 | 中国地质科学院水文地质环境地质研究所 | A kind of arsenic removal material and preparation method thereof and the application in rural groundwater arsenic removal |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1850602A (en) * | 2006-04-30 | 2006-10-25 | 合肥工业大学 | Method for preparing magnetic granule-attapulgite nano composite material |
| CN101972629A (en) * | 2010-11-01 | 2011-02-16 | 重庆大学 | Preparation method of coal-based magnetic activated carbon and coal-based magnetic activated carbon |
| CN103117149A (en) * | 2011-11-16 | 2013-05-22 | 核工业北京地质研究院 | Magnetization method of surface of quartz granule |
-
2013
- 2013-12-18 CN CN201310697518.0A patent/CN103771431A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1850602A (en) * | 2006-04-30 | 2006-10-25 | 合肥工业大学 | Method for preparing magnetic granule-attapulgite nano composite material |
| CN101972629A (en) * | 2010-11-01 | 2011-02-16 | 重庆大学 | Preparation method of coal-based magnetic activated carbon and coal-based magnetic activated carbon |
| CN103117149A (en) * | 2011-11-16 | 2013-05-22 | 核工业北京地质研究院 | Magnetization method of surface of quartz granule |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106881063A (en) * | 2017-02-15 | 2017-06-23 | 中国地质科学院水文地质环境地质研究所 | A kind of arsenic removal material and preparation method thereof and the application in rural groundwater arsenic removal |
| CN106881063B (en) * | 2017-02-15 | 2019-02-26 | 中国地质科学院水文地质环境地质研究所 | A kind of arsenic removal material and preparation method thereof and the application in rural groundwater arsenic removal |
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Application publication date: 20140507 |