CN104528746A - Preparation method of microcrystalline pollucite - Google Patents
Preparation method of microcrystalline pollucite Download PDFInfo
- Publication number
- CN104528746A CN104528746A CN201410735155.XA CN201410735155A CN104528746A CN 104528746 A CN104528746 A CN 104528746A CN 201410735155 A CN201410735155 A CN 201410735155A CN 104528746 A CN104528746 A CN 104528746A
- Authority
- CN
- China
- Prior art keywords
- potassium silicate
- solution
- pollux
- crystallite
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Detergent Compositions (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a preparation method of microcrystalline pollucite. The method comprises the following steps: dissolving cesium hydroxide in a potassium silicate solution, and cooling to room temperature to obtain a cesium potassium silicate solution; adding metakaolin to the cesium potassium silicate solution, and uniformly stirring to obtain a slurry; injecting the slurry to a steel die, carrying out closed standing at room temperature for 3-5h, and demolding to obtain a solid block; and placing the solid block in a steam autoclave, crystallizing in water steam environment with the temperature of 180DEG C and the pressure of 0.8MPa, and cooling to prepare the microcrystalline pollucite. The method realizes the low temperature synthesis of naturally scarce pollucite pollucite under mild conditions, and avoids harms of high temperature volatilization of Cs and environment pollution; and the prepared microcrystalline pollucite can be used in solidified cesium-containing radioactive wastes, can be used as a radiation source core material, can also be used in high temperature resistant materials in the aviation and aerospace field, and can be widely used in the fields of national defense and military industry.
Description
Technical field
The invention belongs to the preparation of the compound containing caesium, relate to a kind of preparation method of crystallite pollux.Adopt the present invention prepare solid inorganic material--crystallite pollux is applicable to adsorption catalysis, radioactive source source core material, contains
137cs nuke rubbish solidify material, and the high temperature material in the field such as aerospace.
Background technology
Pollux (chemical structural formula CsAlSi
2o
6.nH
2o) also claim pollucite, be the main natural mineral form of caesium (Cs) stable existence, its crystalline structure is by (Al, the Si) O sharing bridging oxygen
4tetrahedral network structure skeleton is formed with the parallel Cs ion be distributed in the passage of <111> direction, can hold the Cs more than 40wt% in theory.Pollux has high Cs content, excellent hydrothermal stability and resistance to elevated temperatures (fusing point > 1900 DEG C) etc., can be used for adsorption catalysis, radioactive source source core material, contains
137the fields such as the solidification of Cs nuke rubbish and aerospace, but natural pollux resource scarcity, and many and other silicate minerals symbiosis.In prior art, the preparation method of pollux mainly contains high temperature solid-state method, sol-gel method, zeolite precursor body method, the synthesis temperature that art methods needs is higher, this inevitably causes Cs vaporization at high temperature, etching apparatus, the Cs gas loading that it is formed also is difficult to catch and collect, and brings secondary pollution.Along with the intensification gradually that people are familiar with pollux, pollux materials demand amount is also constantly increased, be badly in need of finding a kind of low temperature, the simple pollux synthetic method of Processes and apparatus.
Summary of the invention
Object of the present invention is intended to overcome deficiency of the prior art, provides a kind of preparation method of crystallite pollux; Thus providing one not need to add other organic formwork agents or crystal seed, technique is simple, the low-temperature synthetic method of the pollux of mild condition (180 DEG C, 0.8MPa thermal and hydric environment).
Content of the present invention is: a kind of preparation method of crystallite pollux, it is characterized in that step is:
A, be dissolved in potassium silicate solution by cesium hydroxide, the mass ratio of cesium hydroxide and potassium silicate solution is 0.3 ~ 1.25:1, and stirring and dissolving, is cooled to room temperature, obtains potassium silicate caesium solution;
B, in potassium silicate caesium solution, add metakaolin, the mass ratio of potassium silicate caesium solution and metakaolin is 1.2 ~ 2:1, stirs, obtains slurry;
C, slurry is injected steel die, room temperature is airtight leaves standstill the demoulding after 3 ~ 5h, obtains blocks of solid;
D, blocks of solid is placed in steam pressure reactor, after being placed in water vapor (crystallization) 4 ~ 8h of temperature 180 DEG C, pressure 0.8MPa, cooling, i.e. obtained crystallite pollux.
In content of the present invention: the silicate potassium solution described in step a is commercially available industrial potash water glass, chemical composition and the percent mass ratio of silicate potassium solution consist of SiO
227.5%, K
2o 15.9%, H
2o56.6%.
In content of the present invention: main chemical compositions and the weight percent of the metakaolin described in step b consist of SiO
250 ~ 55%, Al
2o
340 ~ 45%, (Fe
2o
3, K
2o, Na
2o etc.) other minor component 3% ~ 5%.
In content of the present invention: the steel die size described in step c is Φ 3cm × 3cm preferably.
In content of the present invention: the steam pressure reactor described in steps d can be the FYX40 autoclave (design pressure 3MPa, design temperature 200 DEG C) of Dalian Tong Chan autoclave vessel Manufacturing Co., Ltd.
Compared with prior art, the present invention has features and beneficial effect:
(1) the present invention is adopted, (in temperature 180 DEG C, pressure 0.8MPa thermal and hydric environment) realizes the low temperature synthesis of the pollux of natural resource rareness in a mild condition, without the need to high-temperature calcination, avoids the harm of Cs vaporization at high temperature, contaminate environment, energy consumption is low, is beneficial to environment protection;
(2) adopt the present invention, not needing to add other organic formwork agents or crystal seed, is a kind of green synthesis method meeting Sustainable development;
(3) the crystallite pollux that prepared by the present invention can be used for solidifying the high temperature material containing caesium radwaste, also can be used as radioactive source source core material, also can be used for aerospace field, and in defence and military field, application future is extensive;
(4) adopt the present invention, preparation technology is simple, and operation is easy, easily operates, practical.
Accompanying drawing explanation
Fig. 1 is the scanning electron microscope collection of illustrative plates of embodiment 5 product, and Fig. 1 shows that prepared crystallite pollux crystal grain is substantially spherical in shape, and size is about 60nm;
Fig. 2 is the X ray diffracting spectrum of embodiment 5 product, Fig. 2 shows that embodiment 5 product is consistent with pollux data in X ray diffracting data storehouse (Reference code:00-029-0407), and crystal grain is less, namely embodiment 5 product is crystallite pollux;
Fig. 3 is the scanning electron microscope collection of illustrative plates of metakaolin in embodiment, and Fig. 3 shows metakaolin particle used in the form of sheets, and granular size is all below 2 μm;
Fig. 4 is the X ray diffracting spectrum of metakaolin in embodiment, and Fig. 4 shows that metakaolin used is amorphous state substantially, there is a small amount of quartz crystal.
Embodiment
The invention will be further described for embodiment plan given below; but can not be interpreted as it is limiting the scope of the invention; some nonessential improvement and adjustment that person skilled in art makes the present invention according to the content of the invention described above, still belong to protection scope of the present invention.
Embodiment 1:
Be that 0.3:1 weighs proportioning according to the mass ratio of cesium hydroxide and potassium silicate solution, cesium hydroxide be dissolved in potassium silicate solution, stirring and dissolving, be cooled to room temperature and form potassium silicate caesium solution; After the cooling of potassium silicate caesium solution, be that 1.2:1 adds metakaolin according to the mass ratio of potassium silicate caesium solution and metakaolin, stir formation slurry; Slurry is injected steel die, and after the airtight standing 3 ~ 5h of room temperature, the demoulding becomes blocks of solid; Blocks of solid is placed in steam pressure reactor, 180 DEG C, cool after crystallization 4 ~ 8h in 0.8MPa steam ambient, i.e. obtained crystallite pollux blocks of solid.
Embodiment 2:
Be that 0.47:1 weighs proportioning according to the mass ratio of cesium hydroxide and potassium silicate solution, cesium hydroxide be dissolved in potassium silicate solution, stirring and dissolving, be cooled to room temperature and form potassium silicate caesium solution; After the cooling of potassium silicate caesium solution, be that 1.27:1 adds metakaolin according to the mass ratio of potassium silicate caesium solution and metakaolin, stir formation slurry; Slurry is injected steel die, and after the airtight standing 3 ~ 5h of room temperature, the demoulding becomes blocks of solid; Blocks of solid is placed in steam pressure reactor, 180 DEG C, cool after crystallization 4 ~ 8h in 0.8MPa steam ambient, i.e. obtained crystallite pollux blocks of solid.
Embodiment 3:
Be that 0.67:1 weighs proportioning according to the mass ratio of cesium hydroxide and potassium silicate solution, cesium hydroxide be dissolved in potassium silicate solution, stirring and dissolving, be cooled to room temperature and form potassium silicate caesium solution; After the cooling of potassium silicate caesium solution, be that 1.44:1 adds metakaolin according to the mass ratio of potassium silicate caesium solution and metakaolin, stir formation slurry; Slurry is injected steel die, and after the airtight standing 3 ~ 5h of room temperature, the demoulding becomes blocks of solid; Blocks of solid is placed in steam pressure reactor, 180 DEG C, cool after crystallization 4 ~ 8h in 0.8MPa steam ambient, i.e. obtained crystallite pollux blocks of solid.
Embodiment 4:
Be that 0.84:1 weighs proportioning according to the mass ratio of cesium hydroxide and potassium silicate solution, cesium hydroxide be dissolved in potassium silicate solution, stirring and dissolving, be cooled to room temperature and form potassium silicate caesium solution; After the cooling of potassium silicate caesium solution, be that 1.59:1 adds metakaolin according to the mass ratio of potassium silicate caesium solution and metakaolin, stir formation slurry; Slurry is injected steel die, and after the airtight standing 3 ~ 5h of room temperature, the demoulding becomes blocks of solid; Blocks of solid is placed in steam pressure reactor, 180 DEG C, cool after crystallization 4 ~ 8h in 0.8MPa steam ambient, i.e. obtained crystallite pollux blocks of solid.
Embodiment 5:
Be that 1.09:1 weighs proportioning according to the mass ratio of cesium hydroxide and potassium silicate solution, cesium hydroxide be dissolved in potassium silicate solution, stirring and dissolving, be cooled to room temperature and form potassium silicate caesium solution; After the cooling of potassium silicate caesium solution, be that 1.81:1 adds metakaolin according to the mass ratio of potassium silicate caesium solution and metakaolin, stir formation slurry; Slurry is injected steel die, and after the airtight standing 3 ~ 5h of room temperature, the demoulding becomes blocks of solid; Blocks of solid is placed in steam pressure reactor, 180 DEG C, cool after crystallization 4 ~ 8h in 0.8MPa steam ambient, i.e. obtained crystallite pollux blocks of solid.
Embodiment 6:
Be that 1.25:1 weighs proportioning according to the mass ratio of cesium hydroxide and potassium silicate solution, cesium hydroxide be dissolved in potassium silicate solution, stirring and dissolving, be cooled to room temperature and form potassium silicate caesium solution; After the cooling of potassium silicate caesium solution, be that 1.95:1 adds metakaolin according to the mass ratio of potassium silicate caesium solution and metakaolin, stir formation slurry; Slurry is injected steel die, and after the airtight standing 3 ~ 5h of room temperature, the demoulding becomes blocks of solid; Blocks of solid is placed in steam pressure reactor, 180 DEG C, cool after crystallization 4 ~ 8h in 0.8MPa steam ambient, i.e. obtained crystallite pollux blocks of solid.
Embodiment 7:
Be that 1.09:1 weighs proportioning according to the mass ratio of cesium hydroxide and potassium silicate solution, cesium hydroxide be dissolved in potassium silicate solution, stirring and dissolving, be cooled to room temperature and form potassium silicate caesium solution; After the cooling of potassium silicate caesium solution, be that 1.61:1 adds metakaolin according to the mass ratio of potassium silicate caesium solution and metakaolin, stir formation slurry; Slurry is injected steel die, and after the airtight standing 3 ~ 5h of room temperature, the demoulding becomes blocks of solid; Blocks of solid is placed in steam pressure reactor, 180 DEG C, cool after crystallization 4 ~ 8h in 0.8MPa steam ambient, i.e. obtained crystallite pollux blocks of solid.
Embodiment 8:
Be that 1.09:1 weighs proportioning according to the mass ratio of cesium hydroxide and potassium silicate solution, cesium hydroxide be dissolved in potassium silicate solution, stirring and dissolving, be cooled to room temperature and form potassium silicate caesium solution; After the cooling of potassium silicate caesium solution, be that 2:1 adds metakaolin according to the mass ratio of potassium silicate caesium solution and metakaolin, stir formation slurry; Slurry is injected steel die, and after the airtight standing 3 ~ 5h of room temperature, the demoulding becomes blocks of solid; Blocks of solid is placed in steam pressure reactor, 180 DEG C, cool after crystallization 4 ~ 8h in 0.8MPa steam ambient, i.e. obtained crystallite pollux blocks of solid.
Embodiment 9:
A preparation method for crystallite pollux, step is:
A, be dissolved in potassium silicate solution by cesium hydroxide, the mass ratio of cesium hydroxide and potassium silicate solution is 0.3:1, and stirring and dissolving, is cooled to room temperature, obtains potassium silicate caesium solution;
B, in potassium silicate caesium solution, add metakaolin, the mass ratio of potassium silicate caesium solution and metakaolin is 1.2:1, stirs, obtains slurry;
C, slurry is injected steel die, the demoulding after the airtight standing 4h of room temperature, obtains blocks of solid;
D, blocks of solid is placed in steam pressure reactor, after being placed in water vapor (crystallization) 6h of temperature 180 DEG C, pressure 0.8MPa, cooling, i.e. obtained crystallite pollux.
Embodiment 10:
A preparation method for crystallite pollux, step is:
A, be dissolved in potassium silicate solution by cesium hydroxide, the mass ratio of cesium hydroxide and potassium silicate solution is 1.25:1, and stirring and dissolving, is cooled to room temperature, obtains potassium silicate caesium solution;
B, in potassium silicate caesium solution, add metakaolin, the mass ratio of potassium silicate caesium solution and metakaolin is 2:1, stirs, obtains slurry;
C, slurry is injected steel die, the demoulding after the airtight standing 4h of room temperature, obtains blocks of solid;
D, blocks of solid is placed in steam pressure reactor, after being placed in water vapor (crystallization) 6h of temperature 180 DEG C, pressure 0.8MPa, cooling, i.e. obtained crystallite pollux.
Embodiment 11:
A preparation method for crystallite pollux, step is:
A, be dissolved in potassium silicate solution by cesium hydroxide, the mass ratio of cesium hydroxide and potassium silicate solution is 0.78:1, and stirring and dissolving, is cooled to room temperature, obtains potassium silicate caesium solution;
B, in potassium silicate caesium solution, add metakaolin, the mass ratio of potassium silicate caesium solution and metakaolin is 1.6:1, stirs, obtains slurry;
C, slurry is injected steel die, the demoulding after the airtight standing 4h of room temperature, obtains blocks of solid;
D, blocks of solid is placed in steam pressure reactor, after being placed in water vapor (crystallization) 6h of temperature 180 DEG C, pressure 0.8MPa, cooling, i.e. obtained crystallite pollux.
Embodiment 12:
A preparation method for crystallite pollux, step is:
A, be dissolved in potassium silicate solution by cesium hydroxide, the mass ratio of cesium hydroxide and potassium silicate solution is 0.75:1, and stirring and dissolving, is cooled to room temperature, obtains potassium silicate caesium solution;
B, in potassium silicate caesium solution, add metakaolin, the mass ratio of potassium silicate caesium solution and metakaolin is 1.5:1, stirs, obtains slurry;
C, slurry is injected steel die, the demoulding after the airtight standing 5h of room temperature, obtains blocks of solid;
D, blocks of solid is placed in steam pressure reactor, after being placed in water vapor (crystallization) 7h of temperature 180 DEG C, pressure 0.8MPa, cooling, i.e. obtained crystallite pollux.
Embodiment 13 ~ 19:
A preparation method for crystallite pollux, step is:
A, be dissolved in potassium silicate solution by cesium hydroxide, the mass ratio of cesium hydroxide and potassium silicate solution is 0.3 ~ 1.25:1, and stirring and dissolving, is cooled to room temperature, obtains potassium silicate caesium solution;
B, in potassium silicate caesium solution, add metakaolin, the mass ratio of potassium silicate caesium solution and metakaolin is 1.2 ~ 2:1, stirs, obtains slurry;
C, slurry is injected steel die, room temperature is airtight leaves standstill the demoulding after 3 ~ 5h, obtains blocks of solid;
D, blocks of solid is placed in steam pressure reactor, after being placed in water vapor (crystallization) 4 ~ 8h of temperature 180 DEG C, pressure 0.8MPa, cooling, i.e. obtained crystallite pollux;
In each embodiment, the concrete quality of each component raw material sees the following form than consumption:
In above-described embodiment: the silicate potassium solution described in step a is commercially available industrial potash water glass, chemical composition and the percent mass ratio of this silicate potassium solution consist of SiO
227.5%, K
2o 15.9%, H
2o 56.6%.
In above-described embodiment: main chemical compositions and the weight percent of the metakaolin described in step b consist of SiO
250 ~ 55%, Al
2o
340 ~ 45%, (Fe
2o
3, K
2o, Na
2o etc.) other minor component 3% ~ 5%.
In above-described embodiment: the steel die size described in step c can be Φ 3cm × 3cm.
In above-described embodiment: the steam pressure reactor described in steps d can be the FYX40 autoclave (design pressure 3MPa, design temperature 200 DEG C) of Dalian Tong Chan autoclave vessel Manufacturing Co., Ltd.
In above-described embodiment: in the percentage adopted, do not indicate especially, be quality (weight) percentage (being called for short wt%) or well known to a person skilled in the art percentage; Described quality (weight) part can be all gram or kilogram.
In above-described embodiment: the numerical value etc. such as each component raw material consumption are scope, and any point is all applicable.
The concrete same prior art of technology contents described in content of the present invention and above-described embodiment.
Above-described embodiment only have selected metakaolin and the potassium silicate caesium ratio of different hydro Cs2O consumption and different ratios, carry out the preparation of crystallite pollux, different amendments can be made easily on these embodiment bases for those skilled in the art, and General Principle described herein is applied to need not through performing creative labour in other embodiment, therefore, the invention is not restricted to above-described embodiment; Those skilled in the art, according to announcement of the present invention, do not depart from improvement that scope makes and amendment all should within protection scope of the present invention.
Claims (5)
1. a preparation method for crystallite pollux, is characterized in that step is:
A, be dissolved in potassium silicate solution by cesium hydroxide, the mass ratio of cesium hydroxide and potassium silicate solution is 0.3 ~ 1.25:1, and stirring and dissolving, is cooled to room temperature, obtains potassium silicate caesium solution;
B, in potassium silicate caesium solution, add metakaolin, the mass ratio of potassium silicate caesium solution and metakaolin is 1.2 ~ 2:1, stirs, obtains slurry;
C, slurry is injected steel die, room temperature is airtight leaves standstill the demoulding after 3 ~ 5h, obtains blocks of solid;
D, blocks of solid is placed in steam pressure reactor, after being placed in the water vapor 4 ~ 8h of temperature 180 DEG C, pressure 0.8MPa, cooling, i.e. obtained crystallite pollux.
2., by the preparation method of crystallite pollux described in claim 1, it is characterized in that: the silicate potassium solution described in step a is commercially available industrial potash water glass, chemical composition and the percent mass ratio of silicate potassium solution consist of SiO
227.5%, K
2o 15.9%, H
2o 56.6%.
3., by the preparation method of crystallite pollux described in claim 1, it is characterized in that: main chemical compositions and the weight percent of the metakaolin described in step b consist of SiO
250 ~ 55 %, Al
2o
340 ~ 45%, other minor component 3% ~ 5%.
4., by the preparation method of crystallite pollux described in claim 1, it is characterized in that: the steel die described in step c is of a size of Φ 3cm × 3cm.
5. by the preparation method of crystallite pollux described in claim 1, it is characterized in that: the steam pressure reactor described in steps d is the large FYX40 autoclave being communicated with product autoclave vessel Manufacturing Co., Ltd.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410735155.XA CN104528746B (en) | 2014-12-04 | 2014-12-04 | A kind of preparation method of crystallite pollucite |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410735155.XA CN104528746B (en) | 2014-12-04 | 2014-12-04 | A kind of preparation method of crystallite pollucite |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104528746A true CN104528746A (en) | 2015-04-22 |
CN104528746B CN104528746B (en) | 2016-07-06 |
Family
ID=52844441
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410735155.XA Active CN104528746B (en) | 2014-12-04 | 2014-12-04 | A kind of preparation method of crystallite pollucite |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104528746B (en) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105731899A (en) * | 2016-02-04 | 2016-07-06 | 哈尔滨工业大学 | Method for synthesizing pollucite by means of aluminosilicate polymer |
CN105905920A (en) * | 2016-06-16 | 2016-08-31 | 同济大学 | Method for generating pollucite with soil as raw material |
CN107311193A (en) * | 2017-08-16 | 2017-11-03 | 西南科技大学 | A kind of preparation method of pollucite tiny balloon |
CN107352550A (en) * | 2017-08-16 | 2017-11-17 | 西南科技大学 | A kind of preparation method of kilogram of yield level pollucite sub-micron ball |
CN108190914A (en) * | 2018-02-08 | 2018-06-22 | 西安建筑科技大学 | A kind of synthetic method of solid waste multi-stage porous block ECR-1 zeolites |
CN108417286A (en) * | 2018-03-14 | 2018-08-17 | 清华大学 | A method of it impregnates and prepares simulation pollucite source core |
CN108470594A (en) * | 2018-03-14 | 2018-08-31 | 清华大学 | A method of it is added dropwise and prepares simulation pollucite source core |
CN109678406A (en) * | 2019-03-05 | 2019-04-26 | 西南科技大学 | A kind of preparation method of porous pollucite profile |
CN109896823A (en) * | 2019-03-05 | 2019-06-18 | 西南科技大学 | The hydrothermal preparing process of one type natural granite mineral host |
CN110028248A (en) * | 2019-06-03 | 2019-07-19 | 西南交通大学 | A kind of method that low-temp liquid-phase sintering prepares pollucite devitrified glass |
CN110981205A (en) * | 2019-12-25 | 2020-04-10 | 中建材蚌埠玻璃工业设计研究院有限公司 | Preparation method of microcrystalline glass for treating radioactive cesium polluted soil |
CN112466503A (en) * | 2020-12-29 | 2021-03-09 | 西南科技大学 | Preparation method of glass ceramic body for solidifying Cs-containing soil |
CN113371725A (en) * | 2021-05-21 | 2021-09-10 | 中国辐射防护研究院 | Method for treating radioactive waste molecular sieve |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3130010A (en) * | 1962-12-04 | 1964-04-21 | Dow Chemical Co | Process for production of high purity cesium metal and cesium compounds |
US3959172A (en) * | 1973-09-26 | 1976-05-25 | The United States Of America As Represented By The United States Energy Research And Development Administration | Process for encapsulating radionuclides |
JPS60187899A (en) * | 1984-03-08 | 1985-09-25 | 千代田化工建設株式会社 | Method of treating radioactive cesium waste liquor |
CN101774613A (en) * | 2010-02-04 | 2010-07-14 | 江西东鹏新材料有限责任公司 | Novel technology of producing cesium carbonate by pollucite |
-
2014
- 2014-12-04 CN CN201410735155.XA patent/CN104528746B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3130010A (en) * | 1962-12-04 | 1964-04-21 | Dow Chemical Co | Process for production of high purity cesium metal and cesium compounds |
US3959172A (en) * | 1973-09-26 | 1976-05-25 | The United States Of America As Represented By The United States Energy Research And Development Administration | Process for encapsulating radionuclides |
JPS60187899A (en) * | 1984-03-08 | 1985-09-25 | 千代田化工建設株式会社 | Method of treating radioactive cesium waste liquor |
CN101774613A (en) * | 2010-02-04 | 2010-07-14 | 江西东鹏新材料有限责任公司 | Novel technology of producing cesium carbonate by pollucite |
Non-Patent Citations (2)
Title |
---|
IAN MACLEREN ET AL.: "Hydrothermal Synthesis of Pollucite(CsAlSi2O6) Powders", 《J.AM.CERAM.SOC.》, vol. 82, no. 11, 31 December 1999 (1999-12-31), pages 3242 - 3244 * |
SUSAN L.ET AL.: "Incorporation of Cesium by Hydrating Calcium Aluminosilicates", 《J.AM.CERAM.SOC.》, vol. 72, no. 10, 31 December 1989 (1989-12-31), pages 1938 - 1947, XP000084346, DOI: doi:10.1111/j.1151-2916.1989.tb06004.x * |
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105731899A (en) * | 2016-02-04 | 2016-07-06 | 哈尔滨工业大学 | Method for synthesizing pollucite by means of aluminosilicate polymer |
CN105905920A (en) * | 2016-06-16 | 2016-08-31 | 同济大学 | Method for generating pollucite with soil as raw material |
CN105905920B (en) * | 2016-06-16 | 2018-02-09 | 同济大学 | A kind of method that pollucite is generated using soil as raw material |
CN107311193A (en) * | 2017-08-16 | 2017-11-03 | 西南科技大学 | A kind of preparation method of pollucite tiny balloon |
CN107352550A (en) * | 2017-08-16 | 2017-11-17 | 西南科技大学 | A kind of preparation method of kilogram of yield level pollucite sub-micron ball |
CN107311193B (en) * | 2017-08-16 | 2019-11-12 | 西南科技大学 | A kind of preparation method of pollucite tiny balloon |
CN108190914A (en) * | 2018-02-08 | 2018-06-22 | 西安建筑科技大学 | A kind of synthetic method of solid waste multi-stage porous block ECR-1 zeolites |
CN108190914B (en) * | 2018-02-08 | 2021-06-15 | 西安建筑科技大学 | Method for synthesizing solid waste hierarchical porous block ECR-1 zeolite |
CN108417286A (en) * | 2018-03-14 | 2018-08-17 | 清华大学 | A method of it impregnates and prepares simulation pollucite source core |
CN108470594A (en) * | 2018-03-14 | 2018-08-31 | 清华大学 | A method of it is added dropwise and prepares simulation pollucite source core |
CN108417286B (en) * | 2018-03-14 | 2020-11-27 | 清华大学 | Method for preparing simulated pollucite source core by soaking |
CN109896823A (en) * | 2019-03-05 | 2019-06-18 | 西南科技大学 | The hydrothermal preparing process of one type natural granite mineral host |
CN109678406A (en) * | 2019-03-05 | 2019-04-26 | 西南科技大学 | A kind of preparation method of porous pollucite profile |
CN109896823B (en) * | 2019-03-05 | 2021-08-10 | 西南科技大学 | Hydrothermal preparation method of natural granite-like mineral solidified body |
CN109678406B (en) * | 2019-03-05 | 2021-08-10 | 西南科技大学 | Preparation method of porous caesium zeolite section bar |
CN110028248A (en) * | 2019-06-03 | 2019-07-19 | 西南交通大学 | A kind of method that low-temp liquid-phase sintering prepares pollucite devitrified glass |
CN110028248B (en) * | 2019-06-03 | 2020-03-31 | 西南交通大学 | Method for preparing pollucite microcrystalline glass by low-temperature liquid phase sintering |
CN110981205A (en) * | 2019-12-25 | 2020-04-10 | 中建材蚌埠玻璃工业设计研究院有限公司 | Preparation method of microcrystalline glass for treating radioactive cesium polluted soil |
CN112466503A (en) * | 2020-12-29 | 2021-03-09 | 西南科技大学 | Preparation method of glass ceramic body for solidifying Cs-containing soil |
CN113371725A (en) * | 2021-05-21 | 2021-09-10 | 中国辐射防护研究院 | Method for treating radioactive waste molecular sieve |
CN113371725B (en) * | 2021-05-21 | 2022-11-25 | 中国辐射防护研究院 | Method for treating radioactive waste molecular sieve |
Also Published As
Publication number | Publication date |
---|---|
CN104528746B (en) | 2016-07-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104528746B (en) | A kind of preparation method of crystallite pollucite | |
Qian et al. | The preparation of a green shape-stabilized composite phase change material of polyethylene glycol/SiO2 with enhanced thermal performance based on oil shale ash via temperature-assisted sol–gel method | |
Yue et al. | Salt-inclusion chalcogenides: an emerging class of IR nonlinear optical materials | |
CN107352550B (en) | A kind of preparation method of kilogram of yield grade pollucite sub-micron ball | |
CN101826376B (en) | Preparation method of vitrification substrate for radioactive nuclear waste | |
US9382121B2 (en) | Silicon carbide powder and method for producing same | |
Wang et al. | Extraction of aluminum hydroxide from coal fly ash by pre-desilication and calcination methods | |
CN109704351A (en) | A kind of low temperature of pollucite exempts to calcine preparation method | |
Fang et al. | Preparation and characterization of glass foams for artificial floating island from waste glass and Li2CO3 | |
CN107311193B (en) | A kind of preparation method of pollucite tiny balloon | |
Li et al. | Immobilization of strontium and cesium by aluminosilicate ceramics derived from metakaolin geopolymer-zeolite A composites via 1100 C heating treatment | |
Wang et al. | Hydrothermal Synthesis of SBA‐15 Using Sodium Silicate Derived from Coal Gangue | |
Jia et al. | Structural evolution of amorphous calcium sulfate nanoparticles into crystalline gypsum phase | |
Liu et al. | Hydrothermal reaction of K‐feldspar powder in NaOH Ca (OH) 2 mixed medium | |
Vaisman et al. | The scientific and technological aspects of foam glass production | |
CN103992095B (en) | The SHS process of zirconolite-rich type prosthetic graft and densifying method | |
CN103121697B (en) | Pure silicon ANA-type zeolite molecular sieve and preparation method thereof | |
Ali et al. | Novel defect-fluorite pyrochlore sodium niobate nanoparticles: solution-phase synthesis and radiation tolerance analysis | |
Sazali et al. | Potential of transforming sodalite from synthesis kaolin with a mild condition of the hydrothermal method | |
CN110845143A (en) | Preparation method of radioactive waste magma rock glass ceramic solidified body | |
Yuan et al. | Effects of Na+ substitution Cs+ on the microstructure and thermal expansion behavior of ceramic derived from geopolymer | |
CN103818914B (en) | Method for preparing sodium alumino silicate through decomposing feldspar | |
Rajadesingu et al. | Single step pulverization effect of Borax decahydrate and Boric acid—a comparison | |
Huang et al. | Low-temperature route to prepare rare earth fluorides in a molten NH 4 NO 3 system: a systematic study on the effects of NaF/Ln ratio and the reaction temperature and time | |
CN103708505A (en) | Method for extracting soluble potassium sulfate by using orthoclase |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant |