CN108128786A - A kind of method that ultrasonic wave added prepares multi-stage porous SAPO-11 molecular sieves - Google Patents
A kind of method that ultrasonic wave added prepares multi-stage porous SAPO-11 molecular sieves Download PDFInfo
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- CN108128786A CN108128786A CN201810017587.5A CN201810017587A CN108128786A CN 108128786 A CN108128786 A CN 108128786A CN 201810017587 A CN201810017587 A CN 201810017587A CN 108128786 A CN108128786 A CN 108128786A
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- C01B39/00—Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
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Abstract
The invention discloses a kind of methods that ultrasonic wave added prepares 11 molecular sieves of multi-stage porous SAPO.This method is：After silicon source, phosphorus source, silicon source, deionized water, micropore template agent and mesoporous template are mixed in proportion, it is ultrasonically treated, then it is stirred at room temperature to mixture and becomes colloidal sol, it is dry, grinding, hydrothermal crystallizing, roasting removal micropore template agent, obtains 11 molecular sieves of multi-stage porous SAPO after product separation drying.The condition of the supersound process is：Ultrasonic power is 200 400w, and supersonic frequency is 20 60kHz, and ultrasonic time is 0.5 4h.11 zeolite products of multi-stage porous SAPO that the present invention prepares not only have the AEL structure of complete 11 molecular sieves of SAPO and higher crystallinity, and with more meso-hole structures, in addition only with minimal amount of water in sieve synthesis procedure, reduce the generation of waste water in production process, yield and one-pot yield are all enhanced.
Description
Technical field
The invention belongs to molecule sieve porous material technical fields, and in particular to a kind of ultrasonic wave added prepares multi-stage porous SAPO-
The method of 11 molecular sieves.
Background technology
Silicon phosphate aluminium base SAPO-11 molecular sieves have been constantly subjected to study and pay close attention to extensively, be known as since the eighties researches and develops
" third generation novel molecular sieve ".The skeleton structure of SAPO-11 molecular sieves is different from traditional Si-Al zeolite ZSM-5, by aluminium and phosphorus
It is alternately arranged as main element, the silicon atom of introducing has broken the electroneutral balance of phosphorus aluminium skeleton, makes it have commutative
Charge, form the acidity and catalytic applications of unique molecular sieve.SAPO-11 molecular sieves is in the means of nonzeolitic of AEL structure
Porous molecular sieve belongs to orthorhombic system, has one-dimensional ten-ring pore passage structure, oval duct (0.64 × 0.39nm).Cause
So that SAPO-11 molecular sieves are extensive in the isomerization of normal hydrocarbon class, alkylation, gasoline isomery with suitable acid site and pore passage structure
The multiple petrochemical industries such as octane number and lubricating oil isomerization dewaxing are widely applied.
Multistage porous molecular sieve can reduce micropore diffusional resistance to mass transfer since it has micropore and mesoporous feature simultaneously
The adverse effect brought, to improve the mass transfer rate of catalyst.Generally it is by definition of the aperture less than 2nm in multistage porous molecular sieve
Micropore, aperture are mesoporous in 2-50nm.For multistage porous molecular sieve, pore structure is more flourishing, and pore morphology is more complicated, especially micro-
When hole and bigger mesoporous ratio, the specific surface area of material is bigger, therefore the amount of the gas of the material absorption of unit mass will be got over
Greatly, the adsorption function of material for gaseous is stronger.The primary synthetic methods of multi-stage porous SAPO-11 molecular sieves reported at present have water
Hot method, dry gum method and solvent-thermal method etc., but these methods are limited for mesoporous increase degree.
Ultrasonic technology can generate a series of close to pole as a kind of physical means and tool in medium is chemically reacted
The condition at end, such as electric discharge drastically, the high temperature of moment for generating part, high pressure, this energy can not only be excited or be promoted
Many chemical reactions accelerate reaction speed or even can also change the direction of certain chemical reactions.Sonochemistry is in catalyst
It prepares and the application of field of catalytic reactions is increasing.But there is presently no apply sonochemistry in SAPO-11 molecular sieves
Relevant report in terms of preparation.
Invention content
It is an object of the present invention to provide a kind of methods that ultrasonic wave added prepares multi-stage porous SAPO-11 molecular sieves, solve existing
The technical issues of mesoporous increase degree of SAPO-11 molecular sieve preparation methods is not high in technology.
Present invention technical solution used to solve above-mentioned technical problem is as follows：
A kind of method that ultrasonic wave added prepares multi-stage porous SAPO-11 molecular sieves, this method are：By silicon source, phosphorus source, silicon source,
It after deionized water, micropore template agent and mesoporous template mix in proportion, is ultrasonically treated, is then stirred at room temperature to mixing
Object becomes colloidal sol, dry, grinding, hydrothermal crystallizing, and roasting removal micropore template agent, obtains multi-stage porous SAPO- after product separation drying
11 molecular sieves.
Preferably, source of aluminium is boehmite or aluminium isopropoxide；The silicon source is silica gel or ethyl orthosilicate.
Preferably, the mesoporous template is surfactant cetyl trimethylammonium bromide or cetyl front three
Ammonium chloride or hard template activated carbon.
Preferably, the micropore template agent is di-n-propylamine.
Preferably, the molar ratio between the silicon source, silicon source, phosphorus source, micropore template agent and mesoporous template is：(0.05-
0.48):1:(0.7-1.2):(0.8-2)：(0.01-0.2).
Preferably, the condition of the supersound process is：Ultrasonic power is 200-400w, supersonic frequency 20-60kHz, is surpassed
The sound time is 0.5-4h.
Preferably, the temperature of the hydrothermal crystallizing of the colloidal sol is 160-220 DEG C, and the time of hydrothermal crystallizing is 12-36h.
It is 500-600 DEG C that the calcination temperature of template agent removing is removed in roasting after the product drying.
The present invention also provides a kind of multi-stage porous SAPO-11 molecular sieves, which is prepared by the above method.
Preferably, the grain size of the multi-stage porous SAPO-11 molecular sieves is 2-10 microns, external surface area 89m2/g。
The present invention also provides application of the multi-stage porous SAPO-11 molecular sieves in the reaction of n-dodecane hydroisomerizing.
Compared with prior art, beneficial effects of the present invention are as follows：
1, compared with prior art, the multi-stage porous SAPO-11 zeolite products that the present invention prepares not only have complete
SAPO-11 molecular sieves AEL structure and higher crystallinity, and with more meso-hole structures.In addition with hydrothermal synthesis
It compares, only reduces the generation of waste water in production process, yield and list with minimal amount of water in sieve synthesis procedure
Kettle yield is all enhanced.
2, multi-stage porous SAPO-11 molecular sieves prepared by the present invention can to the hydroisomerizing maximum isomers yield of n-dodecane
To reach 81% (reaction condition：320 DEG C, 4.5MPa, WHSV=1h-1, nH2：NC12=15).
Description of the drawings
Fig. 1 is the XRD spectra of product multi-stage porous SAPO-11 molecular sieves made from the embodiment of the present invention 2.
Fig. 2 is the stereoscan photograph of product multi-stage porous SAPO-11 molecular sieves made from the embodiment of the present invention 2.
Fig. 3 is the nitrogen adsorption isotherm of product multi-stage porous SAPO-11 molecular sieves made from the embodiment of the present invention 2.
Fig. 4 is the XRD spectra of product multi-stage porous SAPO-11 molecular sieves made from comparative example 1 of the present invention.
Fig. 5 is the stereoscan photograph of product multi-stage porous SAPO-11 molecular sieves made from comparative example 1 of the present invention.
Fig. 6 is the nitrogen adsorption isotherm of product multi-stage porous SAPO-11 molecular sieves made from comparative example 1 of the present invention.
Fig. 7 is the embodiment of the present invention 1, and product made from 2,3 becomes the isomers yield that n-dodecane hydroisomerizing reacts
Change curve.
Specific embodiment
Technical scheme of the present invention is described in detail with reference to embodiment.Raw materials and reagents used in the present invention
It is commercially available.
Embodiment 1
The present embodiment provides a kind of methods that ultrasonic wave added method prepares SAPO-11 multistage porous molecular sieves, specifically include：First
4.085g aluminium isopropoxides and 3.16g deionized waters are mixed, added in later by 1.7mL phosphoric acid and 3.16g deionized water groups
Into mixed solution in；Then 0.45mL ethyl orthosilicates, 1.6mL di-n-propylamines and 0.018g cetyl front threes are added in successively
Base ammonium bromide, later by mixing liquid room temperature ultrasound 1h (ultrasonic power 53KHz, 350W).Continue to stir, 80 DEG C of dryings, 200
For 24 hours, template agent removing is removed in high-temperature roasting (600 DEG C) for DEG C hydrothermal crystallizing.
The specific surface area of multi-stage porous SAPO-11 molecular sieves that the present embodiment obtains is 296.4m2/ g, external surface area are
80.6m2/ g, total pore volume 0.225cm3/ g, mesoporous Kong Rongwei 0.139cm3/g。
Embodiment 2
The present embodiment provides a kind of methods that ultrasonic wave added method prepares SAPO-11 multistage porous molecular sieves, specifically include：First
4.085g aluminium isopropoxides and 3.16g deionized waters are mixed, added in later by 1.7mL phosphoric acid and 3.16g deionized water groups
Into mixed solution in；Then 0.45mL tetraethyl orthosilicates, 1.6mL di-n-propylamines and 0.018g cetyls three are added in successively
Methyl bromide ammonium, later by mixing liquid room temperature ultrasound 2h (ultrasonic power 53KHz, 350W).Continue to stir, 80 DEG C of dryings,
For 24 hours, template agent removing is removed in high-temperature roasting (600 DEG C) to 200 DEG C of hydrothermal crystallizings.
Fig. 1 is shown as the XRD characterization result of the multi-stage porous SAPO-11 molecular sieves synthesized by the present embodiment, it can be seen that production
Product are typical AEL structure, have preferable crystallinity.Fig. 2 is shown as the multi-stage porous SAPO-11 molecules synthesized by the present embodiment
The stereoscan photograph of sieve, it can be seen that product is the ball of about 2 microns of grain size, and is hollow structure.Fig. 3 is shown as this reality
Apply the nitrogen adsorption isotherm of the multi-stage porous SAPO-11 molecular sieves synthesized by example.SAPO-11 points of the multi-stage porous that the present embodiment obtains
The specific surface area of son sieve is 333.4m2/ g, external surface area 89.4m2/ g, total pore volume 0.237cm3/ g, mesoporous Kong Rongwei
0.139cm3/g。
The present embodiment also provides a kind of application process of multi-stage porous SAPO-11 molecular sieves, the multi-stage porous SAPO-11 molecules
Sieve is reacted applied to the hydroisomerizing of long chain alkane.As an example, the long chain alkane includes n-dodecane.It is prepared in the present invention
Multi-stage porous SAPO-11 molecular sieves be 81% (reaction condition to the isomers yield that the hydroisomerizing of n-dodecane reacts：320
DEG C, 4.5MPa, WHSV=1h-1, nH2：NC12=15).
Embodiment 3
The present embodiment provides a kind of methods that ultrasonic wave added method prepares SAPO-11 multistage porous molecular sieves, specifically include：First
4.085g aluminium isopropoxides and 3.16g deionized waters are mixed, added in later by 1.7mL phosphoric acid and 3.16g deionized water groups
Into mixed solution；0.45mL tetraethyl orthosilicates, 1.6mL di-n-propylamines and 0.018g cetyl trimethyl bromines are added in successively
Change ammonium, later by mixing liquid room temperature ultrasound 3h (ultrasonic power 53KHz, 350W).Continue to stir, 80 DEG C of dryings, 200 DEG C of water
For 24 hours, template agent removing is removed in high-temperature roasting (600 DEG C) to thermal crystallisation.
The specific surface area of multi-stage porous SAPO-11 molecular sieves that the present embodiment obtains is 286.4m2/ g, external surface area are
64.8m2/ g, total pore volume 0.231cm3/ g, mesoporous Kong Rongwei 0.143cm3/g。
Embodiment 4
The present embodiment provides a kind of methods that ultrasonic wave added method prepares SAPO-11 multistage porous molecular sieves, specifically include：First
4.085g aluminium isopropoxides and 3.16g deionized waters are mixed, added in later by 1.7mL phosphoric acid and 3.16g deionized water groups
Into mixed solution；0.45mL tetraethyl orthosilicates, 1.6mL di-n-propylamines and 0.018g activated carbons are added in successively, it later will be mixed
Close liquid room temperature ultrasound 1h (ultrasonic power 53KHz, 350W).Continue to stir, 80 DEG C of dryings, 200 DEG C of hydrothermal crystallizings are for 24 hours, high
Template agent removing is removed in temperature roasting (500 DEG C).
The specific surface area of multi-stage porous SAPO-11 molecular sieves that the present embodiment obtains is 280.5m2/ g, external surface area are
62.3m2/ g, total pore volume 0.22cm3/ g, mesoporous Kong Rongwei 0.14cm3/g。
Embodiment 5
The present embodiment provides a kind of methods that ultrasonic wave added method prepares SAPO-11 multistage porous molecular sieves, specifically include：First
4.085g aluminium isopropoxides and 3.16g deionized waters are mixed, added in later by 1.7mL phosphoric acid and 3.16g deionized water groups
Into mixed solution；0.45mL tetraethyl orthosilicates, 1.6mL di-n-propylamines and 0.018g cetyl trimethyl bromines are added in successively
Change ammonium, later by mixing liquid room temperature ultrasound 4h (ultrasonic power 20KHz, 200W).Continue to stir, 80 DEG C of dryings, 200 DEG C of water
For 24 hours, template agent removing is removed in high-temperature roasting (500 DEG C) to thermal crystallisation.
The specific surface area of multi-stage porous SAPO-11 molecular sieves that the present embodiment obtains is 278.2m2/ g, external surface area are
60.5m2/ g, total pore volume 0.20cm3/ g, mesoporous Kong Rongwei 0.135cm3/g。
Embodiment 6
The present embodiment provides a kind of methods that ultrasonic wave added method prepares SAPO-11 multistage porous molecular sieves, specifically include：First
4.085g aluminium isopropoxides and 3.16g deionized waters are mixed, added in later by 1.7mL phosphoric acid and 3.16g deionized water groups
Into mixed solution；0.45mL tetraethyl orthosilicates, 1.6mL di-n-propylamines and 0.018g cetyl trimethyl bromines are added in successively
Change ammonium, later by mixing liquid room temperature ultrasound 0.5h (ultrasonic power 60KHz, 400W).Continue to stir, 80 DEG C of dryings, 200 DEG C
For 24 hours, template agent removing is removed in high-temperature roasting (500 DEG C) to hydrothermal crystallizing.
The specific surface area of multi-stage porous SAPO-11 molecular sieves that the present embodiment obtains is 282.5m2/ g, external surface area are
63.2m2/ g, total pore volume 0.225cm3/ g, mesoporous Kong Rongwei 0.140cm3/g。
Comparative example 1
As a comparison, the SAPO-11 multi-stage porous molecular sieve methods prepared without the method for supersound process are as follows：First will
4.085g aluminium isopropoxides are mixed with 3.16g deionized waters, add in be made of 1.7mL phosphoric acid and 3.16g deionized waters later
Mixed solution；0.45mL tetraethyl orthosilicates, 1.6mL di-n-propylamines and 0.018g cetyl trimethyl brominations are added in successively
Ammonium.Continue to stir, 80 DEG C of dryings, for 24 hours, template agent removing is removed in high-temperature roasting to 200 DEG C of hydrothermal crystallizings.
The specific surface area of multi-stage porous SAPO-11 molecular sieves that the present embodiment obtains is 266.6m2/ g, external surface area are
55.9m2/ g, total pore volume 0.199cm3/ g, mesoporous Kong Rongwei 0.115cm3/g。
Fig. 4 is shown as the XRD characterization result of the multi-stage porous SAPO-11 molecular sieves synthesized by this comparative example, it can be seen that：With
It is compared in Fig. 1 by the sieve sample being ultrasonically treated, being ultrasonically treated SAPO-11 molecular sieves prepared by 1h still has SAPO-11
Crystal form, and crystal type is fine.
Fig. 5 is shown as the stereoscan photograph of the multi-stage porous SAPO-11 molecular sieves synthesized by this comparative example, it can be seen that：
Not plus ultrasonic obtained sieve sample pattern is spherical shape, and apparent hollow structure occurs in sample prepared by ultrasound 1h.Therefore,
The SAPO-11 sieve samples obtained after supersound process, pore structure is more flourishing, the specific surface area bigger of molecular sieve, therefore
The molecular screen material of unit mass is stronger to the adsorption function of gas.
Fig. 6 is shown as the nitrogen adsorption isotherm of the multi-stage porous SAPO-11 molecular sieves synthesized by this comparative example.It can see
It arrives：Compared with passing through the sieve sample being ultrasonically treated in Fig. 3, the SAPO-11 molecular sieves of 1h preparations are ultrasonically treated to nitrogen
Absorption property is more preferable.
As described above, the SAPO-11 multistages porous molecular sieve of the present invention and its ultrasonic wave added synthetic method, have beneficial below
Effect：
The multi-stage porous SAPO-11 molecular sieves prepared in 1-3 of the embodiment of the present invention react the hydroisomerizing of n-dodecane
Isomers yield is up to 81% (reaction condition：320 DEG C, 4.5MPa, WHSV=1h-1, nH2：NC12=15).Fig. 7 is the present invention
Embodiment 1,2, the isomers yield change curve that product made from 3 reacts n-dodecane hydroisomerizing.It can from Fig. 7
It arrives：The sieve sample prepared is ultrasonically treated in the hydroisomerizing reaction of catalysis n-dodecane, isomers yield is higher.And
For the sieve sample that comparative example 1 obtains in the hydroisomerizing reaction of catalysis n-dodecane, isomers yield only has 70%.Cause
This, the SAPO-11 sieve samples being ultrasonically treated, in the hydroisomerizing reaction of catalysis n-dodecane, Ke Yiti
The isomers yield of high hydroisomerizing reaction.
Compared with prior art, products obtained therefrom not only has the AEL structure of complete SAPO-11 molecular sieves and higher knot
Brilliant degree, and with more meso-hole structures, in addition water consumption is seldom in sieve synthesis procedure, reduces in production process and gives up
The generation of water, yield and one-pot yield are all enhanced.
So the present invention effectively overcomes various shortcoming of the prior art and has high industrial utilization.
The part preferred embodiment of the present invention is above are only, the present invention is not limited in the content of embodiment.For ability
For technical staff in domain, can there are various change and change in the conception range of technical solution of the present invention, that is made appoints
What changes and change, within the scope of the present invention.
Claims (10)
1. a kind of method that ultrasonic wave added prepares multi-stage porous SAPO-11 molecular sieves, this method are：By silicon source, phosphorus source, silicon source, go
It after ionized water, micropore template agent and mesoporous template mix in proportion, is ultrasonically treated, is then stirred at room temperature to mixture
Become colloidal sol, dry, grinding, hydrothermal crystallizing, roasting removal micropore template agent, obtains multi-stage porous SAPO-11 after product separation drying
Molecular sieve.
2. the method that a kind of ultrasonic wave added as described in claim 1 prepares multi-stage porous SAPO-11 molecular sieves, it is characterised in that：
Source of aluminium is boehmite or aluminium isopropoxide；The silicon source is silica gel or ethyl orthosilicate.
3. the method that a kind of ultrasonic wave added as described in claim 1 prepares multi-stage porous SAPO-11 molecular sieves, it is characterised in that：
The mesoporous template is cetyl trimethylammonium bromide either hexadecyltrimethylammonium chloride or activated carbon.
4. the method that a kind of ultrasonic wave added as described in claim 1 prepares multi-stage porous SAPO-11 molecular sieves, it is characterised in that：
Molar ratio between the silicon source, silicon source, phosphorus source, micropore template agent and mesoporous template is：(0.05-0.48):1:(0.7-
1.2):(0.8-2)：(0.01-0.2).
5. the method that a kind of ultrasonic wave added as described in claim 1 prepares multi-stage porous SAPO-11 molecular sieves, which is characterized in that
The condition of the supersound process is：Ultrasonic power is 200-400w, supersonic frequency 20-60kHz, ultrasonic time 0.5-4h.
6. the method that a kind of ultrasonic wave added as described in claim 1 prepares multi-stage porous SAPO-11 molecular sieves, it is characterised in that：
The temperature of the hydrothermal crystallizing of the colloidal sol is 160-220 DEG C, and the time of hydrothermal crystallizing is 12-36h.
7. the method that a kind of ultrasonic wave added as described in claim 1 prepares multi-stage porous SAPO-11 molecular sieves, it is characterised in that：
Calcination temperature is 500-600 DEG C after the product drying.
8. a kind of multi-stage porous SAPO-11 molecular sieves, which is obtained by the preparation of claim 1-7 any one of them method
.
9. multi-stage porous SAPO-11 molecular sieves as claimed in claim 8, it is characterised in that：The multi-stage porous SAPO-11 molecular sieves
Grain size for 2-10 microns, external surface area 89m2/g。
10. multi-stage porous SAPO-11 molecular sieves as claimed in claim 8, it is characterised in that：The multi-stage porous SAPO-11 molecules
Sieve the application in the reaction of n-dodecane hydroisomerizing.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108996518A (en) * | 2018-08-29 | 2018-12-14 | 中国科学院上海高等研究院 | A kind of multi-stage porous SAPO-11 molecular sieve and its synthetic method and application |
| CN109663509A (en) * | 2019-01-18 | 2019-04-23 | 中国科学院上海高等研究院 | A kind of preparation method of multi-stage porous SAPO-34 molecular screen membrane |
| CN109939729A (en) * | 2019-04-16 | 2019-06-28 | 中国科学院上海高等研究院 | A kind of preparation method and application of Pt/SAPO-11 bifunctional catalyst |
| CN110028081A (en) * | 2019-04-19 | 2019-07-19 | 大连理工大学 | A kind of method of synthesis nano multi-stage porous SSZ-13 molecular sieve |
| CN110182826A (en) * | 2019-05-17 | 2019-08-30 | 大连理工大学 | A method of synthesizing hollow SSZ-13 molecular sieve |
| CN111410207A (en) * | 2020-03-12 | 2020-07-14 | 青岛科技大学 | Normal-pressure synthesis method of SAPO-11 molecular sieve |
| CN111620349A (en) * | 2020-05-14 | 2020-09-04 | 南京工业大学 | Method for synthesizing hierarchical pore SAPO-34 molecular sieve with assistance of ultrasound |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106517230A (en) * | 2016-10-27 | 2017-03-22 | 中国科学院上海高等研究院 | Hierarchically pored SAPO-11 molecular sieve and solid-phase synthesis method |
| CN108298553A (en) * | 2017-01-11 | 2018-07-20 | 中国科学院上海高等研究院 | A method of preparing molecular sieve |
| CN108996518A (en) * | 2018-08-29 | 2018-12-14 | 中国科学院上海高等研究院 | A kind of multi-stage porous SAPO-11 molecular sieve and its synthetic method and application |
-
2018
- 2018-01-09 CN CN201810017587.5A patent/CN108128786B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106517230A (en) * | 2016-10-27 | 2017-03-22 | 中国科学院上海高等研究院 | Hierarchically pored SAPO-11 molecular sieve and solid-phase synthesis method |
| CN108298553A (en) * | 2017-01-11 | 2018-07-20 | 中国科学院上海高等研究院 | A method of preparing molecular sieve |
| CN108996518A (en) * | 2018-08-29 | 2018-12-14 | 中国科学院上海高等研究院 | A kind of multi-stage porous SAPO-11 molecular sieve and its synthetic method and application |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108996518A (en) * | 2018-08-29 | 2018-12-14 | 中国科学院上海高等研究院 | A kind of multi-stage porous SAPO-11 molecular sieve and its synthetic method and application |
| CN108996518B (en) * | 2018-08-29 | 2021-11-30 | 中国科学院上海高等研究院 | Hierarchical pore SAPO-11 molecular sieve and synthetic method and application thereof |
| CN109663509A (en) * | 2019-01-18 | 2019-04-23 | 中国科学院上海高等研究院 | A kind of preparation method of multi-stage porous SAPO-34 molecular screen membrane |
| CN109663509B (en) * | 2019-01-18 | 2022-01-21 | 中国科学院上海高等研究院 | Preparation method of hierarchical pore SAPO-34 molecular sieve membrane |
| CN109939729A (en) * | 2019-04-16 | 2019-06-28 | 中国科学院上海高等研究院 | A kind of preparation method and application of Pt/SAPO-11 bifunctional catalyst |
| CN110028081A (en) * | 2019-04-19 | 2019-07-19 | 大连理工大学 | A kind of method of synthesis nano multi-stage porous SSZ-13 molecular sieve |
| CN110182826A (en) * | 2019-05-17 | 2019-08-30 | 大连理工大学 | A method of synthesizing hollow SSZ-13 molecular sieve |
| CN111410207A (en) * | 2020-03-12 | 2020-07-14 | 青岛科技大学 | Normal-pressure synthesis method of SAPO-11 molecular sieve |
| CN111410207B (en) * | 2020-03-12 | 2022-11-25 | 青岛科技大学 | Normal-pressure synthesis method of SAPO-11 molecular sieve |
| CN111620349A (en) * | 2020-05-14 | 2020-09-04 | 南京工业大学 | Method for synthesizing hierarchical pore SAPO-34 molecular sieve with assistance of ultrasound |
| CN111620349B (en) * | 2020-05-14 | 2022-11-15 | 南京工业大学 | Method for synthesizing hierarchical pore SAPO-34 molecular sieve with assistance of ultrasound |
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