CN108706602A - A kind of utilization method of potassium feldspar - Google Patents
A kind of utilization method of potassium feldspar Download PDFInfo
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- CN108706602A CN108706602A CN201810238614.1A CN201810238614A CN108706602A CN 108706602 A CN108706602 A CN 108706602A CN 201810238614 A CN201810238614 A CN 201810238614A CN 108706602 A CN108706602 A CN 108706602A
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- potassium feldspar
- potassium
- filter residue
- feldspar
- crucible
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/20—Silicates
- C01B33/32—Alkali metal silicates
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
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- Inorganic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
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Abstract
The invention discloses a kind of utilization methods of potassium feldspar, include the following steps：S1, it first potassium feldspar raw material is added in pulverizer crushes and ball milling, obtain potassium feldspar particle；S2, potassium feldspar particle is put into crucible, and activator is added into crucible, for use；S3, it crucible is put into Muffle furnace carries out high-temperature calcination, obtain potassium feldspar activity Carbon composites；S4, potassium feldspar activity Carbon composites are filtered, filter residue collects filter residue and filtrate with hot water injection until the pH value of filtrate is 7~8 after hot water injection again；S5, by filter residue and drying, then it is ground, be sieved up to potassium feldspar activity powdered carbon；S6, filtrate is subjected to crystallisation by cooling, this method operating process is convenient and simple, it is handled by high-temperature activation, the potassium oxide in potassium feldspar can be converted to potassium silicate and recycled, potassium feldspar and cocoanut active charcoal are mutually compound simultaneously, it can be prepared into potassium feldspar activity powdered carbon, greatly improve the application value of potassium feldspar.
Description
Technical field
The present invention relates to potassium feldspars to utilize technical field more particularly to a kind of utilization method of potassium feldspar.
Background technology
Feldspar is the aluminium silicate mineral of the alkali or alkaline earth metals such as potassium, sodium, calcium, is also feldspar race mineral.Potassium feldspar
(K2O·Al2O3·6SiO2) usually it is also referred to as orthoclase.Potassium feldspar series is mainly orthoclase, microcline, perthite etc..
But since potassium oxide content is low in potassium feldspar, processing and utilization difficulty is big, so not developed and used well always.Mesh
Before, kinds of processes research successively is carried out to extracting potassium from potassium feldspar both at home and abroad, integrating can be divided into：Blast furnace process method,
Pressure sintering opens wide leaching and closing constant temperature method, thermal decomposition water seaoning, sintering process, low-temperature decomposition method and microbial method etc..
Invention content
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of utilization side of the potassium feldspar proposed
Method.
To achieve the goals above, present invention employs following technical solutions：
A kind of utilization method of potassium feldspar, includes the following steps：
S1, it first potassium feldspar raw material is added in pulverizer crushes, non-sieving is transferred back to pulverizer and carries out again
It crushes until all by the sieve of pulverizer, ball mill is transferred to by the potassium feldspar raw material of disintegrator sieving net and carries out ball
Mill, obtains potassium feldspar particle, for use；
S2, potassium feldspar particle is put into crucible, and activator is added into crucible, activator includes potassium hydroxide solution
And coconut husk, stir evenly and stand 12~for 24 hours, for use；
S3, it crucible is put into Muffle furnace carrying out high-temperature calcination, calcination temperature is 400~600 DEG C, calcination time is 1~
3h obtains potassium feldspar activity Carbon composites；
S4, potassium feldspar activity Carbon composites are filtered, filter residue is with hot water injection, until filtrate after hot water injection again
PH value is 7~8, collects filter residue and filtrate；
S5, filter residue be dried under vacuum to moisture less than 5%, transfer to baking oven and be dried to filter residue constant weight, be cooled to room
Temperature, then it is ground, be sieved up to potassium feldspar activity powdered carbon；
S6, filtrate is subjected to crystallisation by cooling, and be filtered, obtain potassium silicate filter residue, using drying potassium silicate
Solid.
Preferably, the screen mesh size of the crusher is 50~100 mesh.
Preferably, the temperature of the hot water is 60~100 DEG C.
Preferably, a concentration of 1~4mol/L of the potassium hydroxide solution.
Preferably, the coconut husk is by pulverizing and sieving processing, and screen mesh size is 100~200 mesh.
Preferably, the activator is by weight：Potassium hydroxide solution is 1~3 part, and coconut husk is 4~8 parts.
The beneficial effects of the invention are as follows：This method operating process is convenient and simple, is handled by high-temperature activation, can be long by potassium
Potassium oxide in stone is converted into potassium silicate, and potassium silicate can be recycled by hot water, to obtain the potassium element in potassium feldspar,
After potassium feldspar loses partial oxidation silicon and potassium oxide simultaneously, the surface of potassium feldspar forms many apertures, with cocoanut active charcoal phase
It is compound, it can be prepared into potassium feldspar activity powdered carbon, which compares than common active powdered carbon, has higher
Intensity is suitable for some adsorbing domains larger to adsorbent attrition, such as flue gas desulfurization, and the potassium feldspar activity powdered carbon can also
It is used as slow release fertilizer, greatly improves the application value of potassium feldspar.
Specific implementation mode
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.
Embodiment one
A kind of utilization method of potassium feldspar proposed by the present invention, includes the following steps：
S1, it first potassium feldspar raw material is added in pulverizer crushes, non-sieving is transferred back to pulverizer and carries out again
It crushes until all by the sieve of pulverizer, ball mill is transferred to by the potassium feldspar raw material of disintegrator sieving net and carries out ball
Mill, obtains potassium feldspar particle, for use；
S2, potassium feldspar particle is put into crucible, and activator is added into crucible, activator includes potassium hydroxide solution
And coconut husk, 12h is stirred evenly and stands, for use；
S3, it crucible is put into Muffle furnace carries out high-temperature calcination, calcination temperature is 400 DEG C, and calcination time 3h obtains potassium
Feldspar activity Carbon composites；
S4, potassium feldspar activity Carbon composites are filtered, filter residue is with hot water injection, until filtrate after hot water injection again
PH value is 7~8, collects filter residue and filtrate；
S5, filter residue be dried under vacuum to moisture less than 5%, transfer to baking oven and be dried to filter residue constant weight, be cooled to room
Temperature, then it is ground, be sieved up to potassium feldspar activity powdered carbon；
S6, filtrate is subjected to crystallisation by cooling, and be filtered, obtain potassium silicate filter residue, using drying potassium silicate
Solid.
In the present invention, the screen mesh size of crusher is 50 mesh, and the temperature of hot water is 60 DEG C, potassium hydroxide solution it is a concentration of
1mol/L, coconut husk is by pulverizing and sieving processing, and screen mesh size is 100 mesh, and activator is by weight：Potassium hydroxide solution is
1 part, coconut husk is 4 parts.
Embodiment two
A kind of utilization method of potassium feldspar proposed by the present invention, includes the following steps：
S1, it first potassium feldspar raw material is added in pulverizer crushes, non-sieving is transferred back to pulverizer and carries out again
It crushes until all by the sieve of pulverizer, ball mill is transferred to by the potassium feldspar raw material of disintegrator sieving net and carries out ball
Mill, obtains potassium feldspar particle, for use；
S2, potassium feldspar particle is put into crucible, and activator is added into crucible, activator includes potassium hydroxide solution
And coconut husk, it stirs evenly and stands for 24 hours, for use；
S3, it crucible is put into Muffle furnace carries out high-temperature calcination, calcination temperature is 600 DEG C, and calcination time 1h obtains potassium
Feldspar activity Carbon composites；
S4, potassium feldspar activity Carbon composites are filtered, filter residue is with hot water injection, until filtrate after hot water injection again
PH value is 7~8, collects filter residue and filtrate；
S5, filter residue be dried under vacuum to moisture less than 5%, transfer to baking oven and be dried to filter residue constant weight, be cooled to room
Temperature, then it is ground, be sieved up to potassium feldspar activity powdered carbon；
S6, filtrate is subjected to crystallisation by cooling, and be filtered, obtain potassium silicate filter residue, using drying potassium silicate
Solid.
In the present invention, the screen mesh size of crusher is 100 mesh, and the temperature of hot water is 100 DEG C, the concentration of potassium hydroxide solution
For 4mol/L, coconut husk is by pulverizing and sieving processing, and screen mesh size is 200 mesh, and activator is by weight：Potassium hydroxide solution
It it is 3 parts, coconut husk is 8 parts.
Embodiment three
A kind of utilization method of potassium feldspar proposed by the present invention, includes the following steps：
S1, it first potassium feldspar raw material is added in pulverizer crushes, non-sieving is transferred back to pulverizer and carries out again
It crushes until all by the sieve of pulverizer, ball mill is transferred to by the potassium feldspar raw material of disintegrator sieving net and carries out ball
Mill, obtains potassium feldspar particle, for use；
S2, potassium feldspar particle is put into crucible, and activator is added into crucible, activator includes potassium hydroxide solution
And coconut husk, it stirs evenly and stands for 24 hours, for use；
S3, it crucible is put into Muffle furnace carries out high-temperature calcination, calcination temperature is 500 DEG C, and calcination time 2h obtains potassium
Feldspar activity Carbon composites；
S4, potassium feldspar activity Carbon composites are filtered, filter residue is with hot water injection, until filtrate after hot water injection again
PH value is 7~8, collects filter residue and filtrate；
S5, filter residue be dried under vacuum to moisture less than 5%, transfer to baking oven and be dried to filter residue constant weight, be cooled to room
Temperature, then it is ground, be sieved up to potassium feldspar activity powdered carbon；
S6, filtrate is subjected to crystallisation by cooling, and be filtered, obtain potassium silicate filter residue, using drying potassium silicate
Solid.
In the present invention, the screen mesh size of crusher is 200 mesh, and the temperature of hot water is 80 DEG C, the concentration of potassium hydroxide solution
For 2.5mol/L, coconut husk is by pulverizing and sieving processing, and screen mesh size is 200 mesh, and activator is by weight：Potassium hydroxide is molten
Liquid is 2 parts, and coconut husk is 6 parts.
Specific surface area detection is carried out to potassium feldspar activity powdered carbon prepared by above-described embodiment one to embodiment three, as a result such as
Under：
| Embodiment one | Embodiment two | Embodiment three | |
| Specific surface area m2/g | 267.3 | 503.6 | 321.9 |
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of utilization method of potassium feldspar, which is characterized in that include the following steps：
S1, it first potassium feldspar raw material is added in pulverizer crushes, non-sieving is transferred back to pulverizer and crushes again
Until all by the sieve of pulverizer, ball mill is transferred to by the potassium feldspar raw material of disintegrator sieving net and carries out ball milling, is obtained
To potassium feldspar particle, for use；
S2, potassium feldspar particle is put into crucible, and activator is added into crucible, activator includes potassium hydroxide solution and coconut palm
Shell, stir evenly and stand 12~for 24 hours, for use；
S3, it crucible is put into Muffle furnace carries out high-temperature calcination, calcination temperature is 400~600 DEG C, and calcination time is 1~3h, is obtained
To potassium feldspar activity Carbon composites；
S4, potassium feldspar activity Carbon composites are filtered, filter residue with hot water injection, until again after hot water injection filtrate pH value
It is 7~8, collects filter residue and filtrate；
S5, filter residue be dried under vacuum to moisture less than 5%, transfer to baking oven and be dried to filter residue constant weight, be cooled to room temperature, then
It is ground, be sieved up to potassium feldspar activity powdered carbon；
S6, filtrate is subjected to crystallisation by cooling, and be filtered, obtain potassium silicate filter residue, using drying potassium silicate solid.
2. a kind of utilization method of potassium feldspar according to claim 1, which is characterized in that the screen mesh size of the crusher
For 50~100 mesh.
3. a kind of utilization method of potassium feldspar according to claim 1, which is characterized in that the temperature of the hot water be 60~
100℃。
4. a kind of utilization method of potassium feldspar according to claim 1, which is characterized in that the potassium hydroxide solution it is dense
Degree is 1~4mol/L.
5. a kind of utilization method of potassium feldspar according to claim 1, which is characterized in that the coconut husk is by pulverizing and sieving
Processing, and screen mesh size is 100~200 mesh.
6. a kind of utilization method of potassium feldspar according to claim 1, which is characterized in that the activator is by weight
Than：Potassium hydroxide solution is 1~3 part, and coconut husk is 4~8 parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810238614.1A CN108706602A (en) | 2018-03-22 | 2018-03-22 | A kind of utilization method of potassium feldspar |
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| CN201810238614.1A CN108706602A (en) | 2018-03-22 | 2018-03-22 | A kind of utilization method of potassium feldspar |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114477410A (en) * | 2022-01-26 | 2022-05-13 | 深圳昆墨科技有限公司 | Potassium mineralization composite filter element based on natural rock and preparation method thereof |
Citations (8)
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|---|---|---|---|---|
| GB191223898A (en) * | 1911-10-23 | 1913-02-13 | Axel Rudolf Lindblad | Process for Producing Soluble Potassium Compounds out of Felspar or Minerals Containing Felspar. |
| JPH06191999A (en) * | 1992-12-24 | 1994-07-12 | Kawatetsu Mining Co Ltd | Production of mullite whisker |
| KR101044654B1 (en) * | 2010-10-01 | 2011-06-29 | 김대희 | Method for manufacturing functional soil material to grow plants and improve soil using feldspar, and functional soil material manufactured by this |
| CN104291350A (en) * | 2014-09-29 | 2015-01-21 | 中国地质大学（北京） | Process for synthesizing analcite from potassium feldspar powder by virtue of hydro-thermal alkaline method |
| CN105664963A (en) * | 2015-12-30 | 2016-06-15 | 北京鑫天环境科技有限公司 | Ozone catalyst for water treatment and preparation method thereof |
| CN105883830A (en) * | 2016-04-07 | 2016-08-24 | 陕西大秦钾业有限公司 | Method for preparing kaliophilite by conducting microwave activation on potassium feldspar and kaliophilite prepared through method |
| CN106747679A (en) * | 2016-12-27 | 2017-05-31 | 广安佰瑞德钾盐化工股份有限公司 | A kind of method that utilization potassium feldspar prepares liquid potash fertilizer |
| CN107098735A (en) * | 2017-06-16 | 2017-08-29 | 包头市盐湖镁钾有限公司 | A kind of high-temperature activation potassium feldspar and preparation method thereof |
-
2018
- 2018-03-22 CN CN201810238614.1A patent/CN108706602A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191223898A (en) * | 1911-10-23 | 1913-02-13 | Axel Rudolf Lindblad | Process for Producing Soluble Potassium Compounds out of Felspar or Minerals Containing Felspar. |
| JPH06191999A (en) * | 1992-12-24 | 1994-07-12 | Kawatetsu Mining Co Ltd | Production of mullite whisker |
| KR101044654B1 (en) * | 2010-10-01 | 2011-06-29 | 김대희 | Method for manufacturing functional soil material to grow plants and improve soil using feldspar, and functional soil material manufactured by this |
| CN104291350A (en) * | 2014-09-29 | 2015-01-21 | 中国地质大学（北京） | Process for synthesizing analcite from potassium feldspar powder by virtue of hydro-thermal alkaline method |
| CN105664963A (en) * | 2015-12-30 | 2016-06-15 | 北京鑫天环境科技有限公司 | Ozone catalyst for water treatment and preparation method thereof |
| CN105883830A (en) * | 2016-04-07 | 2016-08-24 | 陕西大秦钾业有限公司 | Method for preparing kaliophilite by conducting microwave activation on potassium feldspar and kaliophilite prepared through method |
| CN106747679A (en) * | 2016-12-27 | 2017-05-31 | 广安佰瑞德钾盐化工股份有限公司 | A kind of method that utilization potassium feldspar prepares liquid potash fertilizer |
| CN107098735A (en) * | 2017-06-16 | 2017-08-29 | 包头市盐湖镁钾有限公司 | A kind of high-temperature activation potassium feldspar and preparation method thereof |
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| Title |
|---|
| XINZHI WANG ET AL: ""Study on technology of extracting potassium with alkaline hydrothermal method"", 《ADVANCED MATERIALS RESEARCH》 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114477410A (en) * | 2022-01-26 | 2022-05-13 | 深圳昆墨科技有限公司 | Potassium mineralization composite filter element based on natural rock and preparation method thereof |
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Application publication date: 20181026 |