CN103172084A - Solid phase preparation method of aluminosilicophosphate eutectic molecular sieve - Google Patents

Solid phase preparation method of aluminosilicophosphate eutectic molecular sieve Download PDF

Info

Publication number
CN103172084A
CN103172084A CN2013101247651A CN201310124765A CN103172084A CN 103172084 A CN103172084 A CN 103172084A CN 2013101247651 A CN2013101247651 A CN 2013101247651A CN 201310124765 A CN201310124765 A CN 201310124765A CN 103172084 A CN103172084 A CN 103172084A
Authority
CN
China
Prior art keywords
aluminosilicophosphate
crystallization
molecular sieve
steam
aqueous solution
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
Application number
CN2013101247651A
Other languages
Chinese (zh)
Other versions
CN103172084B (en
Inventor
狄春雨
李晓峰
王晋梅
梁光华
王龙
窦涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHIA TAI ENERGY MATERIALS (DALIAN) Co.,Ltd.
Original Assignee
Taiyuan Dacheng Huanneng Chemical Technology Co Ltd
Taiyuan University of Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=48632367&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CN103172084(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Taiyuan Dacheng Huanneng Chemical Technology Co Ltd, Taiyuan University of Technology filed Critical Taiyuan Dacheng Huanneng Chemical Technology Co Ltd
Priority to CN201310124765.1A priority Critical patent/CN103172084B/en
Publication of CN103172084A publication Critical patent/CN103172084A/en
Application granted granted Critical
Publication of CN103172084B publication Critical patent/CN103172084B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Silicates, Zeolites, And Molecular Sieves (AREA)

Abstract

The invention belongs to the technical field of the preparation of aluminosilicophosphate and in particular relates to a solid phase preparation method of an aluminosilicophosphate eutectic molecular sieve. The invention aims at solving the technical problem of providing a method for quickly preparing an aluminosilicophosphate eutectic molecular sieve in situ by adopting a solid phase method. According to the technical scheme, the solid phase preparation method comprises the following steps of: quickly mixing and stirring a silicon source, an aluminium source, a phosphorus source and water until gel is formed; drying the gel at a certain temperature, crushing the dried gel into small pieces and placing the small pieces into a reaction kettle; filling the mixture of a volatile template and water in a steam generator, and sealing the whole reaction device; opening a throttle valve of the steam generator, carrying out steam crystallization for a certain period of time at a certain temperature, so that the dried gel is converted into the aluminosilicophosphate eutectic molecular sieve; and after crystallization is finished, washing, drying and roasting the aluminosilicophosphate eutectic molecular sieve to obtain the finished product, and recycling an organic template in the steam generator. By adopting the solid phase preparation provided by the invention, the aluminosilicophosphate eutectic molecular sieve can be quickly prepared.

Description

A kind of method for preparing solid phase of aluminosilicophosphate eutectic molecular sieve
Technical field
The invention belongs to the silicoaluminophosphamolecular molecular sieve preparing technical field, be specifically related to a kind of method for preparing solid phase of aluminosilicophosphate eutectic molecular sieve.
Background technology
Ethene and propylene are important Organic Chemicals, and along with the development of modern industrial society, its demand is increasing.The source of ethene and propylene is mainly the catalytic pyrolysis by petroleum naphtha, solar oil etc. traditionally.Yet in recent years, minimizing along with oil production rate, its price soars rapidly, therefore make the cost of producing low-carbon alkene more and more higher, this just needs people to develop the olefin production novel process of Non oil-based route, wherein, coal-based methyl alcohol processed alkene processed again is to be hopeful the revolutionary technology that the petroleum replacing route is produced low-carbon alkene most, and the key of this technology is catalyzer, and up to the present, the catalyzer that is applied to methanol-to-olefins reaction process is best with SAPO-34 molecular sieve catalyst performance.Therefore, preparation and the study on the modification for the SAPO-34 molecular sieve just becomes very meaningful.
US4440871 and US5279810 patent have been described the preparation method of multiple phosphorus containing molecular sieve, these two pieces of patents have elaborated employing silicon source, aluminium source, phosphorus source and organic formwork agent and have produced multiple SAPO molecular sieve, particularly including the SAPO-34 molecular sieve with CHA skeleton structure and preparation with SAPO-18 molecular sieve of AEI skeleton structure.
The US6334994 patent has disclosed silicoaluminophosphamolecular molecular sieve of a kind of RUW-19 of being referred to as and preparation method thereof, it is reported that it is the AEI/CHA eutectic composition, has very high catalytic activity as the catalyzer of methanol-to-olefins (MTO).
US Patent No. 2005/0233895 has been announced two kinds of coexisting phase silicoaluminophosphamolecular molecular sieves of a kind of AEI of containing framework types material and CHA framework types material equally, by measuring the x-ray diffraction pattern of molecular sieve roasting sample, the ratio of analyzing the AEI/CHA that measures described coexisting phase according to DIFFaX is about 5/95 to 40/60.
In addition, Dalian Inst of Chemicophysics, Chinese Academy of Sciences's patent CN101450806A has equally also reported AEI/CHA eutectic molecular sieve and the synthetic method thereof as the MTO catalysts.
More than have the silicoaluminophosphamolecular molecular sieve of AEI and CHA eutectic structure, its preparation method all adopts traditional hydrothermal synthesis method, and this method synthesis cycle is long, and organic amine template recycle difficulty is large; And utilize the standby eutectic molecular sieve of solid phase converted in-situ legal system to yet there are no report.
Summary of the invention
The present invention overcomes the deficiencies in the prior art, and technical problem to be solved is to provide a kind of method that solid phase method original position prepares the aluminosilicophosphate eutectic molecular sieve fast.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of method for preparing solid phase of aluminosilicophosphate eutectic molecular sieve comprises the following steps:
The first step, the preparation gel: with silicon source, aluminium source, phosphorus source and water mixings rapid stirring until the formation gel;
Second step prepares dried glue: above-mentioned gel is dried at a certain temperature, is broken into the dried glue of fritter and is placed in reaction unit;
The 3rd step, filling template: with template R 1And R 2Be mixed to get R with water respectively 1The aqueous solution and R 2The aqueous solution is with R 1The aqueous solution and R 2The aqueous solution is respectively charged into reaction unit, and seals whole reaction unit;
The 4th step, crystallization: heat respectively R 1The aqueous solution and R 2The steam that the aqueous solution produces with template carries out the steam crystallization to described dried glue;
In the 5th step, crystallization finishes, and obtains the aluminosilicophosphate eutectic molecular sieve, simultaneously the organic formwork agent in the recovered steam producer.
A kind of method for preparing solid phase of aluminosilicophosphate eutectic molecular sieve, described the 4th step crystallization is for first heating R 1The aqueous solution produces with template R 1Steam described dried glue is carried out the steam crystallization, then switch to R 2The aqueous solution adds thermogenesis with template R 2Steam proceed the steam crystallization, all the other steps are the same.
A kind of method for preparing solid phase of aluminosilicophosphate eutectic molecular sieve, described the 4th step crystallization is for first heating R 2The aqueous solution produces with template R 2Steam described dried glue is carried out the steam crystallization, then switch to R 1The aqueous solution adds thermogenesis with template R 1Steam proceed the steam crystallization, all the other steps are the same.
The mol ratio in described silicon source, aluminium source, phosphorus source is SiO 2: Al 2O 3: P 2O 5=0.2 ~ 1.0:0.5 ~ 1.5:0.5 ~ 1.5; Described R 1The concentration of the aqueous solution is 7mol/L-83mol/L, R 2The concentration of the aqueous solution is 1.5mol/L-55.5mol/L.
Described silicon source is silicon sol, active silica, positive silicon ester or water glass, described aluminium source is activated alumina, pseudo-boehmite, aluminum alkoxide, aluminum isopropylate, aluminium salt, aluminate or aluminium colloidal sol, and described phosphorus source is ortho-phosphoric acid, phosphorous acid, phosphoric acid salt, Organophosphorous compounds or phosphorous oxides.
Described template R 1Be diethylamine, triethylamine, morpholine, piperidines, Isopropylamine, dipropyl amine, described template R 2Be DIPEA.
The crystallization temperature of described the 4th step crystallization is 150 ~ 200 ℃, uses R 1The time that the aqueous solution carries out the steam crystallization is 2 ~ 12 hours, uses R 2The time that the aqueous solution carries out the steam crystallization is 1 ~ 6 hour.
Described aluminosilicophosphate eutectic molecular sieve is AEI/CHA Eutectic Silicon in Al-Si Cast Alloys aluminophosphate molecular sieve, and the content of AEI crystallization is 1 ~ 10%.
In described AEI/CHA Eutectic Silicon in Al-Si Cast Alloys aluminophosphate molecular sieve, the more excellent content of AEI crystallization is 1 ~ 5%.
Compared with prior art the present invention has following beneficial effect.
1, the product for preparing tens of and even up to a hundred the synthetic needs of hour ability of method needs of silicoaluminophosphamolecular molecular sieve originally, the present invention adopts the preparation of solid phase in-situ method to have the silicoaluminophosphamolecular molecular sieve of AEI/CHA eutectic structure, shortened greatly the crystallization time of molecular sieve, ankylose becomes the time can be over 20 hours.
2, adopt method of the present invention first raw material to be prepared into the dried glue of solid phase, then adopt template steam to carry out to the dried glue of solid phase the silicoaluminophosphamolecular molecular sieve that in-situ crystallization synthesizes the AEI/CHA eutectic structure, because being adopts the solid phase in-situ synthesis, raw material is without any waste, after crystallization finishes, dried glue changes the aluminosilicophosphate eutectic molecular sieve fully into, so productive rate can reach 100%, and can not cause the waste of raw material.
3, adopt the silicoaluminophosphamolecular molecular sieve of the synthetic AEI/CHA eutectic structure of method of the present invention, the content of AEI crystal can be controlled at preferably in the scope that needs.
4, adopt method synthesis of molecular sieve of the present invention, molecular sieve separates with template liquid, has saved numerous and diverse separating step.
5, method of the present invention can be good at realizing the recovery of template and recycling, and reduces the consumption of template, and conservation also can not cause environmental pollution.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing.
Fig. 1 is the product sample scanning electron microscope (SEM) photograph (SEM) of the embodiment of the present invention 1.
Embodiment
Embodiment 1
The first step, preparation gel: the 4.2g silicon sol (is contained SiO 225wt%), the pseudo-boehmite of 9.0g (content Al 2O 365.5%) and the phosphoric acid of 13.6g (contain H 3PO 485wt%) add successively in 20g water, rapid stirring is until form gel;
Second step prepares dried glue: gel drying in 60 ℃ of baking ovens was made dried glue and broken frustillatum in 1 day, put into the crystallization device;
The 3rd step, filling template: respectively with the triethylamine of 20.5g and the N of 8g deionized water and 4.5g, N-diisopropylethylamine and 5g deionized water are mixed to get the template aqueous solution, and the gained template aqueous solution is loaded respectively into reaction unit, seal whole reaction unit;
The 4th step, crystallization: carry out the steam crystallization under 170 ℃, first heat the steam that triethylamine aqueous solution produces with triethylamine described dried glue was carried out the steam crystallization 12 hours, then switch to N, the N-diisopropylethylamine aqueous solution adds thermogenesis and proceeded the steam crystallization 6 hours with the steam of DIPEA;
In the 5th step, crystallization finishes, and obtains the aluminosilicophosphate eutectic molecular sieve, simultaneously the organic formwork agent in the recovered steam producer.
In the present embodiment gained AEI/CHA eutectic sample, the AEI crystalline content accounts for wholely approximately 4%, and the scanning electron microscope of gained AEI/CHA eutectic sample as shown in Figure 1.
Embodiment 2
The first step, preparation gel: the 4.2g silicon sol (is contained SiO 225wt%), the pseudo-boehmite of 8.3g (content Al 2O 365.5%) and the phosphoric acid of 12.5g (contain H 3PO 485wt%) add successively in 30g water, rapid stirring is until form gel;
Second step prepares dried glue: gel drying in 70 ℃ of baking ovens was made dried glue and broken frustillatum in 1 day, put into the crystallization device;
The 3rd step, filling template: respectively with the triethylamine of 20.5g and the N of 10g deionized water and 5.6g, N-diisopropylethylamine and 5g deionized water are mixed to get the template aqueous solution, and the gained template aqueous solution is loaded respectively into reaction unit, seal whole reaction unit;
The 4th step, crystallization: carry out the steam crystallization under 180 ℃, first heat N, the N-diisopropylethylamine aqueous solution produces with N, the steam of N-diisopropylethylamine carried out the steam crystallization 3 hours to described dried glue, then switched to triethylamine aqueous solution is added thermogenesis to proceed the steam crystallization 6 hours with the steam of triethylamine;
In the 5th step, crystallization finishes, and obtains the aluminosilicophosphate eutectic molecular sieve, simultaneously the organic formwork agent in the recovered steam producer.
In the present embodiment gained AEI/CHA eutectic sample, the AEI crystalline content accounts for whole approximately 8%.
Embodiment 3
The first step, preparation gel: the 4.8g silicon sol (is contained SiO 225wt%), the pseudo-boehmite of 9.0g (content Al 2O 365.5%) and the phosphoric acid of 15.6g (contain H 3PO 485wt%) add successively in 30g water, rapid stirring is until form gel;
Second step prepares dried glue: gel drying in 70 ℃ of baking ovens was made dried glue and broken frustillatum in 1 day, put into the crystallization device;
The 3rd step, filling template: respectively with the diethylamine of 26.5g and the N of 15g deionized water and 5.8g, N-diisopropylethylamine and 8g deionized water are mixed to get the template aqueous solution, and the gained template aqueous solution is loaded respectively into reaction unit, seal whole reaction unit;
The 4th step, crystallization: carry out the steam crystallization under 170 ℃, first heat the steam that diethylamine aqueous solution produces with diethylamine described dried glue was carried out the steam crystallization 10 hours, then switch to N, the N-diisopropylethylamine aqueous solution adds thermogenesis and proceeded the steam crystallization 3 hours with the steam of DIPEA;
In the 5th step, crystallization finishes, and obtains the aluminosilicophosphate eutectic molecular sieve, simultaneously the organic formwork agent in the recovered steam producer.
In the present embodiment gained AEI/CHA eutectic sample, the AEI crystalline content accounts for whole approximately 1.1%.
Embodiment 4
The first step, preparation gel: the 4.8g silicon sol (is contained SiO 225wt%), the pseudo-boehmite of 9.6g (content Al 2O 365.5%) and the phosphoric acid of 15.6g (contain H 3PO 485wt%) add successively in 30g water, rapid stirring is until form gel;
Second step prepares dried glue: gel drying in 55 ℃ of baking ovens was made dried glue and broken frustillatum in 1 day, put into the crystallization device;
The 3rd step, filling template: respectively with the morpholine of 32.8g and the N of 10g deionized water and 5.8g, N-diisopropylethylamine and 6g deionized water are mixed to get the template aqueous solution, and the gained template aqueous solution is loaded respectively into reaction unit, seal whole reaction unit;
The 4th step, crystallization: carry out the steam crystallization under 175 ℃, first heat the steam that the morpholine aqueous solution produces with morpholine described dried glue was carried out the steam crystallization 8 hours, then switch to N, the N-diisopropylethylamine aqueous solution adds thermogenesis and proceeded the steam crystallization 2 hours with the steam of DIPEA;
In the 5th step, crystallization finishes, and obtains the aluminosilicophosphate eutectic molecular sieve, simultaneously the organic formwork agent in the recovered steam producer.
In the present embodiment gained AEI/CHA eutectic sample, the AEI crystalline content accounts for whole approximately 3%.
The present invention can summarize with other the specific form without prejudice to spirit of the present invention or principal character.Therefore, no matter from which point, above-mentioned embodiment of the present invention all can only be thought can not limit invention to explanation of the present invention, claims have been pointed out scope of the present invention, and scope of the present invention is not pointed out in above-mentioned explanation, therefore, in the implication suitable with claims of the present invention and any variation in scope, all should think to be included in the scope of claims.

Claims (9)

1. the method for preparing solid phase of an aluminosilicophosphate eutectic molecular sieve is characterized in that comprising the following steps:
The first step, the preparation gel: with silicon source, aluminium source, phosphorus source and water mixings rapid stirring until the formation gel;
Second step prepares dried glue: above-mentioned gel is dried at a certain temperature, is broken into the dried glue of fritter and is placed in reaction unit;
The 3rd step, filling template: with template R 1And R 2Be mixed to get R with water respectively 1The aqueous solution and R 2The aqueous solution is with R 1The aqueous solution and R 2The aqueous solution is respectively charged into reaction unit, and seals whole reaction unit;
The 4th step, crystallization: heat respectively R 1The aqueous solution and R 2The steam that the aqueous solution produces with template carries out the steam crystallization to described dried glue;
In the 5th step, crystallization finishes, and obtains the aluminosilicophosphate eutectic molecular sieve, simultaneously the organic formwork agent in the recovered steam producer.
2. the method for preparing solid phase of a kind of aluminosilicophosphate eutectic molecular sieve according to claim 1, is characterized in that described the 4th step crystallization is for first heating R 1The aqueous solution produces with template R 1Steam described dried glue is carried out the steam crystallization, then switch to R 2The aqueous solution adds thermogenesis with template R 2Steam proceed the steam crystallization.
3. the method for preparing solid phase of a kind of aluminosilicophosphate eutectic molecular sieve according to claim 1, is characterized in that described the 4th step crystallization is for first heating R 2The aqueous solution produces with template R 2Steam described dried glue is carried out the steam crystallization, then switch to R 1The aqueous solution adds thermogenesis with template R 1Steam proceed the steam crystallization.
4. the method for preparing solid phase of according to claim 1-3 any described a kind of aluminosilicophosphate eutectic molecular sieves is characterized in that: the mol ratio in described silicon source, aluminium source, phosphorus source is SiO 2: Al 2O 3: P 2O 5=0.2 ~ 1.0:0.5 ~ 1.5:0.5 ~ 1.5; Described R 1The concentration of the aqueous solution is 7mol/L-83mol/L, R 2The concentration of the aqueous solution is 1.5mol/L-55.5mol/L.
5. the method for preparing solid phase of according to claim 1-3 any described a kind of aluminosilicophosphate eutectic molecular sieves, it is characterized in that: described silicon source is silicon sol, active silica, positive silicon ester or water glass, described aluminium source is activated alumina, pseudo-boehmite, aluminum alkoxide, aluminum isopropylate, aluminium salt, aluminate or aluminium colloidal sol, and described phosphorus source is ortho-phosphoric acid, phosphorous acid, phosphoric acid salt, Organophosphorous compounds or phosphorous oxides.
6. the method for preparing solid phase of according to claim 1-3 any described a kind of aluminosilicophosphate eutectic molecular sieves, is characterized in that: described template R 1Be diethylamine, triethylamine, morpholine, piperidines, Isopropylamine, dipropyl amine, described template R 2Be DIPEA.
7. the method for preparing solid phase of according to claim 1-3 any described a kind of aluminosilicophosphate eutectic molecular sieves, is characterized in that the crystallization temperature of described the 4th step crystallization is 150 ~ 200 ℃, uses R 1The time that the aqueous solution carries out the steam crystallization is 2 ~ 12 hours, uses R 2The time that the aqueous solution carries out the steam crystallization is 1 ~ 6 hour.
8. the method for preparing solid phase of according to claim 1-3 any described a kind of aluminosilicophosphate eutectic molecular sieves, it is characterized in that: described aluminosilicophosphate eutectic molecular sieve is AEI/CHA Eutectic Silicon in Al-Si Cast Alloys aluminophosphate molecular sieve, and the content of AEI crystallization is 1 ~ 10%.
9. the method for preparing solid phase of a kind of aluminosilicophosphate eutectic molecular sieve according to claim 8, it is characterized in that: in described AEI/CHA Eutectic Silicon in Al-Si Cast Alloys aluminophosphate molecular sieve, the content of AEI crystallization is 1 ~ 5%.
CN201310124765.1A 2013-04-11 2013-04-11 Solid phase preparation method of aluminosilicophosphate eutectic molecular sieve Active CN103172084B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310124765.1A CN103172084B (en) 2013-04-11 2013-04-11 Solid phase preparation method of aluminosilicophosphate eutectic molecular sieve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310124765.1A CN103172084B (en) 2013-04-11 2013-04-11 Solid phase preparation method of aluminosilicophosphate eutectic molecular sieve

Publications (2)

Publication Number Publication Date
CN103172084A true CN103172084A (en) 2013-06-26
CN103172084B CN103172084B (en) 2015-03-11

Family

ID=48632367

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310124765.1A Active CN103172084B (en) 2013-04-11 2013-04-11 Solid phase preparation method of aluminosilicophosphate eutectic molecular sieve

Country Status (1)

Country Link
CN (1) CN103172084B (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104556091A (en) * 2013-10-25 2015-04-29 中国石油化工股份有限公司 Preparation method of SAPO-34 molecular sieve
CN104760970A (en) * 2014-01-02 2015-07-08 上海复榆新材料科技有限公司 Method for synthesizing zeolite molecular sieve or SAPO molecular sieve, and apparatus thereof
CN105174286A (en) * 2015-08-17 2015-12-23 久泰能源科技有限公司 Preparation method for high-proportion AEI/CHA eutectic molecular sieve
CN104549483B (en) * 2013-10-28 2017-07-14 中国石油化工股份有限公司 Composite molecular screens of binder free SAPO 34/ZSM 5 and preparation method thereof
CN107915233A (en) * 2016-10-11 2018-04-17 中国石油化工股份有限公司 A kind of application of the synthetic method of AEN structures aluminium silicophosphate molecular sieve and the AEN structure aluminium silicophosphate molecular sieves
CN113277531A (en) * 2021-07-14 2021-08-20 中国矿业大学 Method for preparing small-crystal-grain SAPO-34 molecular sieve
CN114014337A (en) * 2022-01-05 2022-02-08 中汽研（天津）汽车工程研究院有限公司 AEI-CHA intergrowth molecular sieve and catalyst thereof
CN115159540A (en) * 2022-07-10 2022-10-11 苏州科技大学 Method for preparing molecular sieve and molecular sieve membrane by taking template agent as crystal seed
CN117023604A (en) * 2023-10-09 2023-11-10 中汽研汽车检验中心（天津）有限公司 Chabazite structure molecular sieve, catalyst, synthesis method and application thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1363519A (en) * 2001-10-17 2002-08-14 中国科学院兰州化学物理研究所 Process for preparing SAPO molecular sieve
CN1693202A (en) * 2005-04-14 2005-11-09 南京工业大学 Preparation method of SAPO-34 molecular sieve
CN101125665A (en) * 2007-08-08 2008-02-20 华陆工程科技有限责任公司 Method for preparing SAPO-34 molecular sieve by liquid phase crystallization method
CN101428819A (en) * 2007-11-09 2009-05-13 汉能科技有限公司 Process for producing SAPO-5 molecular sieve

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1363519A (en) * 2001-10-17 2002-08-14 中国科学院兰州化学物理研究所 Process for preparing SAPO molecular sieve
CN1693202A (en) * 2005-04-14 2005-11-09 南京工业大学 Preparation method of SAPO-34 molecular sieve
CN101125665A (en) * 2007-08-08 2008-02-20 华陆工程科技有限责任公司 Method for preparing SAPO-34 molecular sieve by liquid phase crystallization method
CN101428819A (en) * 2007-11-09 2009-05-13 汉能科技有限公司 Process for producing SAPO-5 molecular sieve

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104556091A (en) * 2013-10-25 2015-04-29 中国石油化工股份有限公司 Preparation method of SAPO-34 molecular sieve
CN104556091B (en) * 2013-10-25 2016-05-25 中国石油化工股份有限公司 A kind of preparation method of SAPO-34 molecular sieve
CN104549483B (en) * 2013-10-28 2017-07-14 中国石油化工股份有限公司 Composite molecular screens of binder free SAPO 34/ZSM 5 and preparation method thereof
CN104760970A (en) * 2014-01-02 2015-07-08 上海复榆新材料科技有限公司 Method for synthesizing zeolite molecular sieve or SAPO molecular sieve, and apparatus thereof
CN105174286A (en) * 2015-08-17 2015-12-23 久泰能源科技有限公司 Preparation method for high-proportion AEI/CHA eutectic molecular sieve
CN105174286B (en) * 2015-08-17 2017-12-22 久泰能源科技有限公司 A kind of preparation method of the eutectic molecular sieves of AEI/CHA at high proportion
CN107915233A (en) * 2016-10-11 2018-04-17 中国石油化工股份有限公司 A kind of application of the synthetic method of AEN structures aluminium silicophosphate molecular sieve and the AEN structure aluminium silicophosphate molecular sieves
CN107915233B (en) * 2016-10-11 2019-11-08 中国石油化工股份有限公司 A kind of synthetic method of AEN structure aluminium silicophosphate molecular sieve and the application of the AEN structure aluminium silicophosphate molecular sieve
CN113277531A (en) * 2021-07-14 2021-08-20 中国矿业大学 Method for preparing small-crystal-grain SAPO-34 molecular sieve
CN114014337A (en) * 2022-01-05 2022-02-08 中汽研（天津）汽车工程研究院有限公司 AEI-CHA intergrowth molecular sieve and catalyst thereof
CN115159540A (en) * 2022-07-10 2022-10-11 苏州科技大学 Method for preparing molecular sieve and molecular sieve membrane by taking template agent as crystal seed
CN115159540B (en) * 2022-07-10 2024-04-30 苏州科技大学 Method for preparing molecular sieve and molecular sieve membrane by taking template agent as seed crystal
CN117023604A (en) * 2023-10-09 2023-11-10 中汽研汽车检验中心（天津）有限公司 Chabazite structure molecular sieve, catalyst, synthesis method and application thereof
CN117023604B (en) * 2023-10-09 2024-01-02 中汽研汽车检验中心（天津）有限公司 Chabazite structure molecular sieve, catalyst, synthesis method and application thereof

Also Published As

Publication number Publication date
CN103172084B (en) 2015-03-11

Similar Documents

Publication Publication Date Title
CN103172084B (en) Solid phase preparation method of aluminosilicophosphate eutectic molecular sieve
Algoufi et al. Synthesis of glycerol carbonate by transesterification of glycerol with dimethyl carbonate over K-zeolite derived from coal fly ash
CN101935050B (en) Method for synthesizing silicoaluminophosphate molecular sieve by utilizing crystallization mother liquor
CN102464338B (en) Preparation method for silicoaluminophosphate (SAPO)-34 molecular sieve with small crystal particle
Bing et al. Recent advances for solid basic catalysts: Structure design and catalytic performance
CN106622359B (en) A kind of SSZ-39/ZSM-5 composite molecular screen and its synthetic method and application
CN104437605B (en) W-ZSM-5 molecular-sieve-based catalyst as well as preparation method and application of W-ZSM-5 molecular-sieve-based catalyst
CN103130241A (en) Synthesis method of low-silicon nano SAPO-34 molecular sieve
CN102633279B (en) Aluminum silicophosphate molecular sieve with macro-porous structure and preparation method thereof
CN102924213B (en) Method for producing isoalkanes from n-alkanes through catalysis
CN103878015B (en) For the molecular sieve catalyst and preparation method thereof of preparing propylene from methanol
CN108298550A (en) A method of it is mixed using tetrahydrofuran as template with organic amine and prepares multi-stage porous SAPO-34 molecular sieves
CN105174286B (en) A kind of preparation method of the eutectic molecular sieves of AEI/CHA at high proportion
CN105983435A (en) Butane isomerization catalyst and preparation method and application thereof
CN102125866A (en) H-ZSM-5 zeolite catalyst for preparing propylene from methanol and application thereof
CN101417811B (en) Method for synthesizing SAPO-35 molecular sieve by using bi-template
CN101503201B (en) Preparations of SAPO-11 molecular sieve and SAPO-11 molecular sieve based catalyst
CN103011196A (en) Method for synthesizing SAPO-41 (Phosphoric Acid Silicon-Aluminum-41) molecular sieve by adopting novel template agent
CN104098111B (en) Synthesis method of MFI molecular sieve containing phosphorus element
CN106044791B (en) A kind of solid phase synthesis process of thin slice stratiform SAPO-34
CN101948120A (en) SAPO-18 molecular sieve catalyst for producing low-carbon olefin and preparation method thereof
CN105384178B (en) The gas-phase synthesizing method of the molecular sieves of SAPO 34
CN104211077A (en) Synthesis method of AFO structure aluminum phosphate molecular sieve
CN103030155B (en) Synthesis method of silicoaluminophosphate (SAPO)-44 molecular sieve
CN104096591B (en) Mto catalyst and preparation method thereof

Legal Events

Date Code Title Description
C06 Publication
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
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20151230

Address after: 030006 Shanxi, Taiyuan Xiaodian District Building No. 2, South Road, building 467

Patentee after: Taiyuan Dacheng Huanneng Chemical Technology Co., Ltd.

Address before: 030012 Shanxi, Taiyuan Xiaodian District Building No. 2, South Road, building 467

Patentee before: Taiyuan Dacheng Huanneng Chemical Technology Co., Ltd.

Patentee before: Taiyuan University of Technology

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20170328

Address after: 518052 Guangdong city of Shenzhen province Qianhai Shenzhen Hong Kong cooperation zone before Bay Road No. 1 building 201 room A (located in Shenzhen Qianhai business secretary Co. Ltd.)

Patentee after: Shenzhen science and Technology Co., Ltd.

Address before: 030006 Shanxi, Taiyuan Xiaodian District Building No. 2, South Road, building 467

Patentee before: Taiyuan Dacheng Huanneng Chemical Technology Co., Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20200528

Address after: 116036 7 Ying Sheng Road, Ying Cheng zi Town, Ganjingzi District, Dalian, Liaoning

Patentee after: CHIA TAI ENERGY MATERIALS (DALIAN) Co.,Ltd.

Address before: 518052 Guangdong city of Shenzhen province Qianhai Shenzhen Hong Kong cooperation zone before Bay Road No. 1 building 201 room A (located in Shenzhen Qianhai business secretary Co. Ltd.)

Patentee before: SHENZHEN KEGUAN HUATAI NEW MATERIAL TECHNOLOGY Co.,Ltd.