WO2015024378A1 - 一种Beta分子筛的合成方法 - Google Patents
一种Beta分子筛的合成方法 Download PDFInfo
- Publication number
- WO2015024378A1 WO2015024378A1 PCT/CN2014/073850 CN2014073850W WO2015024378A1 WO 2015024378 A1 WO2015024378 A1 WO 2015024378A1 CN 2014073850 W CN2014073850 W CN 2014073850W WO 2015024378 A1 WO2015024378 A1 WO 2015024378A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- polyquaternium
- molecular sieve
- aluminum
- source
- mesopores
- 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.)
- Ceased
Links
- 0 CC(*)C(C(C(COC(CCN=I)COCCN(C)C)O)*(C)*)O Chemical compound CC(*)C(C(C(COC(CCN=I)COCCN(C)C)O)*(C)*)O 0.000 description 2
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B39/00—Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
- C01B39/02—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
- C01B39/46—Other types characterised by their X-ray diffraction pattern and their defined composition
- C01B39/48—Other types characterised by their X-ray diffraction pattern and their defined composition using at least one organic template directing agent
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B39/00—Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
- C01B39/02—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
- C01B39/04—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof using at least one organic template directing agent, e.g. an ionic quaternary ammonium compound or an aminated compound
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/30—Particle morphology extending in three dimensions
- C01P2004/32—Spheres
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/30—Particle morphology extending in three dimensions
- C01P2004/45—Aggregated particles or particles with an intergrown morphology
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/14—Pore volume
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/16—Pore diameter
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/16—Pore diameter
- C01P2006/17—Pore diameter distribution
Definitions
- the invention relates to a method for synthesizing a beta molecular sieve. Background technique
- Beta molecular sieve is the only zeolite with a three-dimensional 12-membered ring straight channel system. Its unique pore structure and acidity make Beta zeolite have high hydrocracking, hydroisomerization catalytic activity and adsorption capacity for linear terpene hydrocarbons. And have good resistance to sulfur and nitrogen poisoning.
- Beta molecular sieves with USY will increase the yield of gasoline. In terms of fine chemicals, Beta molecular sieves have good activity and selectivity in dehydration and deamination.
- Xiao Feng received the use of tetraethylammonium hydroxide TEAOH as a microporous templating agent, and the cationic polymer was a mesoporous stencil to synthesize a multi-stage channel.
- Beta (Angew. Chem. 2006, 118, 3162-3165).
- DR Serrano will first prepare the gel Pre-crystallizing at a certain temperature for a certain period of time, after cooling to room temperature, adding a silicon germanium coupling agent to the seed crystal, and finally crystallization at a high temperature to form a multi-stage channel of the Beta molecular sieve (Microporous and Mesoporous Materials 115 (2008) 504-513)
- Their common feature is the use of the expensive microporous templating agent TEAOH during the synthesis process.
- Liu Baoyu et al. used a hexammonium quaternary ammonium salt surfactant as a template to synthesize a multi-stage channel of the Beta molecular sieve.
- CN102826564A discloses a preparation method of a Beta zeolite molecular sieve having a multi-stage pore structure, using tetraethyl orthosilicate as a silicon source, sodium metaaluminate as an aluminum source, and a hexammonium-based cationic quaternary ammonium salt surfactant as a silicon source.
- the templating agent although not using TEAOH, is expensive and unsuitable for use, and does not utilize large-scale industrial production. Summary of the invention
- the object of the present invention is to provide a method for preparing a beta molecular sieve, which is characterized in that it is composed of a silicon source, an aluminum source, and a polyquaternary ammonium salt.
- the initial gel mixture made of water and alkali source is crystallized under hydrothermal conditions to prepare Beta molecular sieve; wherein, the polyquaternium P serves as a structure guiding agent for micropores and mesopores.
- the polyquaternium P is selected from the group consisting of polyquaternium-6, polyquaternium-7, polyquaternium-10, polyquaternium-11, polyquaternium- 22. Any one or any one of polyquaternium-32, polyquaternium-37, polyquaternium-39, and polyquaternium-44.
- the aluminum source is selected from an organoaluminum source and/or an inorganic aluminum source;
- the silicon source is selected from a silicone source and/or an inorganic silicon source; and
- the alkali source is selected from the group consisting of an organic base and/or Inorganic base.
- the organoaluminum source is aluminum isopropoxide.
- the inorganic aluminum source is selected from the group consisting of alumina, aluminum hydroxide, and chlorination. Any one or any of aluminum, aluminum sulfate, aluminum nitrate, and sodium aluminate.
- the silicone source is selected from the group consisting of methyl orthosilicate and/or ethyl orthosilicate.
- the inorganic silicon source is selected from any one or any of silica sol, silica gel, silica, and water glass.
- the organic base is selected from the group consisting of alkali metals of organic amines and/or organic alcohols.
- the inorganic base is selected from any one or any of alkali metal or alkaline earth metal hydroxides, oxides, and carbonates.
- the alkali source is sodium hydroxide and/or potassium hydroxide.
- the synthesizing steps are as follows:
- step b) mixing the initial gel obtained in the step a) into a stainless steel reaction vessel, sealing, and then heating to 120-220 ° C, crystallization for not less than 12 hours;
- the crystallization temperature in the step b) is preferably 130 to 200 ° C, and the crystallization time is preferably 12 to 216 hours.
- the crystallization mode in the step b) may be static crystallization or dynamic crystallization.
- the step c) is dried and calcined to obtain a beta molecular sieve having a multi-stage pore structure having a mesoporous pore size of 2 to 13 nm.
- step c) after the step c) is dried, it is calcined to obtain a Beta molecular sieve having a multi-stage pore structure having a pore diameter of 8 to 20 nm.
- step c) after the step c) is dried, calcination is carried out to obtain a beta molecular sieve having a multi-stage pore structure containing two-stage mesopores having a pore diameter of 2 to 4.8 nm and a pore diameter of 4.9 to 13 nm.
- step c) is dried, calcination is carried out to obtain a Beta molecular sieve having a multi-stage pore structure having a pore diameter of 8 to 20 nm and a pore having a pore diameter of 50 to 2000 nm.
- the beta molecular sieve microporous channel has three mutually intersecting 12-membered ring channels, and the micropore pore size ranges from 0.6 to 0.7 nm.
- the structure directing agent also called a templating agent, functions to provide a template for the formation of molecular sieves or materials in molecular sieve or material synthesis.
- the most common molecular sieve templating agents are organic amine compounds and a compound of a quaternary ammonium ion.
- the silica-alumina ratio of the molecular sieve can be between 2 and 200 by adjusting the ratio of the raw materials in the initial gel. Intentional change.
- the polyquaternium P of the present invention is a polymer having a polymerization degree of 10 to 100,000, and the degree of polymerization refers to an average degree of polymerization, that is, an average value of the number of repeating units contained in a polymer macromolecular chain.
- polyquaternium-6 is a copolymer of dimethyldiallylammonium chloride having a molecular formula of (C 8 H 16 ClN) n and n is a positive integer; the structural formula is:
- the polyquaternium-7 is a dimethyldiallyl ammonium chloride-acrylamide copolymer having a molecular formula of (C 8 H 16 ClN) n - (C 3 H 5 NO) m , m and n being positive Integer;
- the structural formula is:
- the polyquaternium-10 is also known as JR-400 or chlorinated 2-hydroxy-3-(trimethylamino:)propyl polyethylene oxide cellulose ether, and the structural formula is: , m and n are positive integers.
- the polyquaternium-11 is a diethyl sulfate complex of 2-methyl-2-acrylic acid-2-(dimethylamino)ethyl ester and 1-vinyl-2-pyrrolidone polymer; (C 6 H 9 NO) x -(C 10 H 20 NO 2 -C 2 H 5 O 4 S) y , wherein x and y are both positive integers; the structural formula is:
- the polyquaternium-22 is a dimethyldiallyl ammonium chloride-acrylic acid copolymer having the formula (C 8 H 16 ClN) n ⁇ (C 3 H 5 NO) m ; m and n are positive integers ;
- the structural formula is:
- the quaternary ammonium salt-32 is a ruthenium, osmium, iridium-trimethyl-2-(2-methyl-1-oxo-2-propenyloxy)ethyl ammonium chloride-acrylamide copolymer, molecular formula Is (C 9 H 18 ClN0 2 ) n ⁇ (C 3 H 5 NO) m , m and n are positive integers; the structural formula is:
- the quaternary ammonium salt-37 is a homopolymer of hydrazine, hydrazine, hydrazine-trimethyl-2-[(2-methyl-1-oxo-2-propenyl)oxy]ethylamine hydrochloride; Is (CH 18 ClN0 2 ) n , n is a positive integer; the structural formula is:
- the quaternary ammonium salt-39 is a dimethyl diallyl ammonium chloride-acrylamide-acrylic acid copolymer; the molecular formula is (C 3 H 4 0 2 ) p ' (C 8 H 16 ClN) n * (C 3 3 ⁇ 4NO) m; p, m, n are positive integers; the structural formula is:
- the polyquaternium-44 is N-vinylpyrrolidone and a quaternized ethylene imidazole copolymer; the molecular formula is (C 6 H 9 N 2 ⁇ C 6 H 9 NO ⁇ CH 3 0 4 S) n , n is Positive integer; the structural formula is:
- the present invention has the following advantages and benefits:
- the present invention utilizes a polyammonium salt as a templating agent, and the raw material is inexpensive and easily available without requiring expensive TEAOH, thereby reducing the production cost of the beta molecular sieve by at least 90%, and laying a foundation for large-scale industrial applications.
- Beta molecular sieve prepared by the invention has micropores and mesopores at the same time, avoids defects of single pores, greatly improves mass transfer efficiency, and has broad application in macromolecular adsorption and catalysis.
- Figure 1 is a scanning electron micrograph of Sample 1.
- the polyquaternium-6 used was purchased from Zhejiang Xinhaitian Biotechnology Co., Ltd.; the polyquaternium-7 and polyquaternium-10 used were purchased from Guangzhou Feirui Chemical Co., Ltd.; the polyquaternium-11 was purchased from Shandong Hong Source Chemical Co., Ltd.; Polyquaternium-22 was purchased from Haining Huangshan Chemical Co., Ltd.; Polyquaternium-32 was purchased from Jiangsu Feixiang Chemical Co., Ltd.; Polyquaternium-37 was purchased from Guangzhou Huicong Trading Co., Ltd.; Quaternary ammonium salt-39 was purchased from Guangzhou Shiyi Chemical Co., Ltd.; Polyquaternium-44 was purchased from Xiamen Jiayulai Chemical Co., Ltd.
- Beta molecular sieve having a multi-stage pore structure.
- the raw material type and ratio, crystallization mode, crystallization temperature, crystallization time and yield of the obtained product in the initial gel of the prepared samples 1 to 40 were calculated as follows:
- the weight of the molecular sieve product is 100 100% of the total dry weight of the initial gel.
- the dry basis in the initial gel is silica, alumina, sodium oxide and/or potassium oxide.
- the silicon source a silica sol; Silica B; E orthosilicate; D n-methyl silicate; silica gel E; F water glass.
- Aluminum source 1 sodium aluminate; 11 aluminum chloride; 111 aluminum hydroxide; IV aluminum sulfate; V alumina; w aluminum isopropoxide; W aluminum nitrate.
- the samples 1-40 prepared in Example 1 were subjected to XRD characterization to confirm that they were Beta zeolite molecular sieves.
- the XRD pattern of the obtained sample 1-40 was consistent with the characteristic spectrum of the standard Beta zeolite molecular sieve.
- the typical XRD pattern is represented by sample 1, and the main diffraction peak position and peak intensity of 2 ⁇ at 5° ⁇ 50° are shown in Table 2.
- the results of other sample data are the same as those of Table 1.
- the positions and shapes of the diffraction peaks are the same, and the relative peak intensity fluctuates within ⁇ 5% depending on the synthesis conditions, indicating that the synthesized product has the characteristics of Beta structure.
- Table 2 XRD diffraction data of typical samples
- Example 3 Chemical composition of samples 1 to 40 prepared in Example 1.
- the chemical composition was measured by an elemental analyzer.
- the instrument used was a Magix (PHILIPS) type X fluorescence analyzer, and the fluorescence intensity of the standard sample was measured by an IQ + non-standard quantitative analysis program. Corresponding to its standard composition, the influence of the interference line is deducted.
- the result measured by the elemental analyzer is the percentage of oxide of each element.
- the chemical composition of the sample and the ratio of silicon to aluminum are obtained by inversely pushing the percentage of the oxide of the element, as shown in Table 3.
- Example 4 Characterization of micropore and mesoporous pore size distribution of samples 1-40
- the samples 1-40 prepared in Example 1 were subjected to nitrogen physical adsorption characterization.
- the instrument used was a Micromeritics Tristar 3000 nitrogen physics adsorber. Characterization of nitrogen physical adsorption Previously, the obtained samples 1-40 were pretreated, and the pretreatment steps were as follows: The molecular sieve samples were vacuumed at normal temperature; after the vacuum conditions were reached, they were treated at 130 ° C for 2 h; then at 350 ° C for 2 h. The results of nitrogen physical adsorption showed that the sample 1-40 micropore pore size was 0.6-0.7 nm, and both contained mesoporous structure. The mesoporous pore size distribution, average pore diameter and mesoporous pore volume are shown in Table 4.
- Example 5 Characterization of the macroporous structure of samples 1 to 40 prepared in Example 1
- the macroporous structure was characterized for the samples 1-40 prepared in Example 1.
- the instrument used was a Micromeritics AutoPore IV 9500 mercury intrusion meter.
- the obtained samples 1-40 were pretreated.
- the pretreatment steps were as follows: The molecular sieve samples were vacuum treated at normal temperature; and after reaching vacuum conditions, they were treated at 130 ° C for 2 h.
- the experimental results show that samples 1-33 have no peaks in the macroporous range of 50-2000 nm, and samples 34-40 contain large pores with pore sizes ranging from 50 to 200 nm, as shown in Table 5.
- Table 5 Sample 34-40 macroporous pore size distribution
- Example 7 The 1 ⁇ 40 samples prepared in Example 1 were characterized by scanning electron microscopy.
- the instrument used was a Hitachi SU8020 field emission scanning electron microscope with an accelerating voltage of 25 kV. Scanning electron micrographs show that the morphology of samples 1-40 appears as a spherical aggregation of nanoparticles. A typical SEM image is represented by sample 1, as shown in Figure 1.
- Example 7
- Example 1 Samples 1, 2, 4, 7, 11, 12, 14, 15, 17, and 19 of Example 1 were respectively calcined at 550 ° C for 8 h without molecular sieve powder, and 1.0 g of the original molecular sieve powder was placed in a Teflon container. Add 5 ml of hydrofluoric acid aqueous solution (20%), shake and shake for 1 h. After the solids were sufficiently dissolved, the liquid was collected for 13 C liquid nuclear magnetic characterization. 13C liquid nuclear magnetics were performed on a Bruker DRX-400 NMR wave spectrometer. The results show that the following structural units are included:
- Example 1 The sample 1, 2, 4, 7, 11, 12, 14, 15, 17 and 19 of Example 1 were calcined at 550 ° C for 8 h in a muffle furnace, and the physical adsorption was carried out according to the method of Example 4. In the test, the pretreatment process was vacuumed at 160 ° C for 10 h, and the others were unchanged. The obtained result is that the microporous pore volume of the above uncalcined molecular sieve raw powder is 0 cm 3 g_ compared with the calcined sample, and the total pore volume of the mesopores is reduced to 30-50%.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Catalysts (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
Abstract
一种Beta分子筛的合成方法,将由硅源、铝源、聚季铵盐、水和碱源制成的初始凝胶混合物,在水热条件下晶化制备Beta分子筛;其中,聚季铵盐为结构导向剂,原料价格低廉且合成方法简单,具有广阔的工业应用前景。
Description
一种 Beta分子筛的合成方法
技术领域
本发明涉及一种 Beta分子筛的合成方法。 背景技术
Beta分子筛是唯一具有三维十二元环直通道体系的沸石, 其独特的孔道 结构以及酸性使得 Beta分子筛具备很高的加氢裂化、 加氢异构化催化活性 和对直链垸烃的吸附能力, 并有良好的抗硫、 氮中毒能力。 可用于石化工 业中苯与丙烯烃化制异丙苯、 异丙苯歧化制二异丙苯、 甲苯异丙基化、 芳 烃垸基化、 二异丙苯垸基转移、 丙烯醚化、 甲醇芳构化、 环氧丙垸与乙醇 醚化、 苯酚甲基化、 苯胺甲基化、 异丙苯与甲苯垸基转移以及甲苯歧化与 垸基转移反应等催化剂的制备。 Beta分子筛同 USY的联合使用将提高汽油 的辛垸值。 在精细化工方面, Beta分子筛在脱水脱胺上具有很好的活性和 选择性。
但在实际应用中, 由于其相对狭窄的孔道结构会制约芳香烃等大分子在 其中的扩散, 容易造成积炭, 严重制约了 Beta分子筛在大分子反应中的应 用。
具有微介孔复合结构的多级孔道分子筛的发现, 为解决微孔中物质传递 扩散受限提供了新的方向和可能性。 肖丰收等使用四乙基氢氧化铵 TEAOH 作为微孔模板剂, 阳离子聚合物为介孔模版剂合成了多级孔道的
Beta(Angew. Chem. 2006, 118, 3162-3165 )。 D.R Serrano 首先将制备的凝胶
在一定温度下预晶化一定时间, 冷却到室温之后, 加入硅垸偶联剂与晶种 作用, 最后再在高温下晶化制得多级孔道的 Beta分子筛 (Microporous and Mesoporous Materials 115 (2008) 504-513) 他们共同的特点是, 在合成过程 中都需要使用昂贵的微孔模板剂 TEAOH。刘宝玉等人使用六铵基季铵盐表 面活性剂为模板剂合成了多级孔道的 Beta分子筛。 中国专利
CN102826564A中公开了一种多级孔结构的 Beta沸石分子筛的制备方法, 以正硅酸乙酯作为硅源, 以偏铝酸钠作为铝源, 以六铵基阳离子型季铵盐 表面活性剂作为模板剂, 虽然没有使用 TEAOH, 但其他原料价格昂贵, 不 宜获得, 不利用大规模的工业生产。 发明内容
本发明的目的在于提供一种 Beta分子筛的制备方法,其特征在于,将由 硅源、 铝源、 聚季铵盐?、 水和碱源制成的初始凝胶混合物, 在水热条件下 晶化制备 Beta分子筛; 其中, 聚季铵盐 P同时作为微孔和介孔的结构导向 剂。
在一个优选的实施方式中, 所述聚季铵盐 P选自聚季铵盐 -6、 聚季铵盐 -7、 聚季铵盐 -10、 聚季铵盐 -11、 聚季铵盐 -22、 聚季铵盐 -32、 聚季铵盐 -37、 聚季铵盐 -39、 聚季铵盐 -44中的任意一种或任意几种。
在一个优选的实施方式中, 所述铝源选自有机铝源和 /或无机铝源; 所述 硅源选自有机硅源和 /或无机硅源; 所述碱源选自有机碱和 /无机碱。
在一个优选的实施方式中, 所述有机铝源为异丙醇铝。
在一个优选的实施方式中, 所述无机铝源选自氧化铝、 氢氧化铝、 氯化
铝、 硫酸铝、 硝酸铝、 铝酸钠中的任意一种或任意几种。
在一个优选的实施方式中, 所述有机硅源选自正硅酸甲酯和 /或正硅酸乙 酯。
在一个优选的实施方式中, 所述无机硅源选自硅溶胶、硅凝胶、 白炭黑、 水玻璃中的任意一种或任意几种。
在一个优选的实施方式中, 所述有机碱选自有机胺和 /或有机醇的碱金属
; t卜
在一个优选的实施方式中, 所述无机碱选自碱金属或碱土金属的氢氧化 物、 氧化物、 碳酸盐中的任意一种或任意几种。
在一个优选的实施方式中, 所述碱源为氢氧化钠和 /或氢氧化钾。
在一个优选的实施方式中, 合成步骤如下:
a)将硅源、 铝源、 氢氧化钠和 /或氢氧化钾、 聚季铵盐 P和水混合, 形 成具有如下配比的初始凝胶混合物:
A1203: Si02摩尔比 = 0.005~0.5
Na20和 /或 K20: Si02摩尔比 =0.10~0.5
¾0: Si02摩尔比 =7~100
P: Si02质量比 =0.1~3;
b) 将所述步骤 a) 得到的初始凝胶混合装入不锈钢反应釜中, 密闭, 然后加热到 120~220°C, 晶化不少于 12小时;
c) 待晶化完成后, 固体产物经分离、 干燥, 即得所述 Beta分子筛。 在一个优选的实施方式中, 所述步骤 a) 中的聚季铵盐 P与 Si02质量比 为 P: Si02 =0.1-1.5; 进一步优选的实施方式为, 所述步骤 a) 中的聚季铵
盐 P与 Si02质量比为 P: SiO2 =0.1~0.8。
在一个优选的实施方式中, 所述步骤 b) 中晶化温度优选 130~200°C, 晶化时间优选 12~216小时。
在一个优选的实施方式中, 所述步骤 b) 中晶化方式可以为静态晶化, 也可以为动态晶化。
在一个优选的实施方式中, 所述步骤 c) 干燥后, 经过焙烧, 得到含有 孔径为 2~13 nm介孔的具有多级孔道结构的 Beta分子筛。
在一个优选的实施方式中, 所述步骤 c) 干燥后, 经过焙烧, 得到含有 孔径为 8~20nm介孔的具有多级孔道结构的 Beta分子筛。
在一个优选的实施方式中, 所述步骤 c) 干燥后, 经过焙烧, 得到含有 孔径为 2~4.8nm和孔径为 4.9~13nm的两级介孔的具有多级孔道结构的 Beta 分子筛。
在一个优选的实施方式中, 所述步骤 c) 干燥后, 经过焙烧, 得到含有 孔径 8~20nm介孔和孔径 50~2000nm大孔的具有多级孔道结构的 Beta分子 筛。
根据本领域公知常识, 所述 Beta分子筛微孔孔道具有三个相互交叉的 12元环孔道, 微孔孔径范围为 0.6~0.7nm。
根据本领域公知常识, 所述结构导向剂, 也称模板剂, 作用是在分子筛 或者材料合成中, 为分子筛或材料的形成提供模板作用, 目前最常见的分 子筛模板剂为有机胺类化合物和含季铵离子的化合物。
本领域技术人员根据本发明所提供的技术方案, 结合本领公知常识, 通 过对初始凝胶中原料配比的调节, 可将分子筛的硅铝比可在 2~200之间任
意调变。
本发明所述聚季铵盐 P, 为聚合度 10~100000的聚合物, 所述聚合度指 平均聚合度, 即聚合物大分子链上所含重复单元数目的平均值。
所述聚季铵盐 -11 为 2-甲基 -2-丙烯酸 -2- (二甲氨基)乙酯与 1-乙烯基 -2- 吡 咯 垸 酮 聚 合 物 的 硫 酸 二 乙 酯 复 合 物 ; 分 子 式 为 (C6H9NO)x-(C10H20NO2-C2H5O4S)y, 其中 x和 y均为正整数; 结构式为:
所述聚季铵盐 -22 为二甲基二烯丙基氯化铵-丙烯酸共聚物, 分子式为 (C8H16ClN)n · (C3H5NO)m ; m和 n为正整数; 结构式为:
所述季铵盐 -32为 Ν,Ν,Ν-三甲基 -2-(2-甲基 -1-氧代 -2-丙烯基氧基)乙基氯 化铵 -丙烯酰胺共聚物, 分子式为 (C9H18ClN02)n · (C3H5NO)m, m和 n为正 整数; 结构式为:
所述聚季铵盐 -44为 N-乙烯吡咯垸酮和季铵化乙烯咪唑共聚物; 分子式 为 (C6H9N2 · C6H9NO · CH304S)n, n为正整数; 结构式为:
与现有技术相比, 本发明具有以下优点和有益效果:
( 1 ) 本发明利用聚铵盐为模板剂, 原料廉价易得, 而不需要昂贵的 TEAOH,将 Beta分子筛的生产成本至少降低了 90%, 为大规模工业应用奠 定了基础。
(2 ) 本发明制备的 Beta分子筛同时具有微孔和介孔, 避免了单一孔道 的缺陷, 大幅提高了传质效率, 在大分子吸附和催化方面有着广阔的应用
附图说明
图 1为样品 1的扫描电子显微镜图。 具体实施方式
下面通过实施例详述本发明, 但本发明并不局限于这些实施例。
使用。
所用聚季铵盐 -6购自浙江新海天生物科技有限公司;所用聚季铵盐 -7和 聚季铵盐 -10购自广州飞瑞化工有限公司; 聚季铵盐 -11购自山东宏源化工 有限公司; 聚季铵盐 -22购自海宁市黄山化工有限公司; 聚季铵盐 -32购自 江苏飞翔化工股份有限公司; 聚季铵盐 -37购自广州慧聪贸易有限公司; 聚 季铵盐 -39购自广州诗茗化工有限公司; 聚季铵盐 -44购自厦门佳俐来化工 有限公司。
实施例 1 : 样品 1-40制备
首先将铝源加入去离子水中, 搅拌均匀。 再向其中加入氢氧化钠和 /或 氢氧化钾, 混合均匀后, 加入硅源, 室温下继续搅拌直到形成均匀的硅铝 凝胶, 最后加入聚季铵盐 P, 搅拌均匀, 得到初始凝胶。 将初始凝胶移入带 聚四氟内衬的不锈钢反应釜中, 直接放入烘箱中静态晶化, 或放入转动烘 箱进行动态晶化, 所得固体产物经离心分离, 用去离子水洗涤至中性, 在
110°C下空气中干燥, 并于最后在马弗炉中于 550°C下焙烧 8h, 即得到具有 多级孔结构的 Beta分子筛。所制备的样品 1~40的初始凝胶中的原料类型及 配比、 晶化方式、 晶化温度、 晶化时间以及所得产物的产率分别如表 1 所 产率的计算方法为: 经过焙烧的分子筛产物重量 ÷初始凝胶中干基总 重量 X 100%。 其中, 初始凝胶中干基为氧化硅、 氧化铝、 氧化钠和 /或氧化 钾。
表 1分子筛合成配料及晶化条件表
初始凝胶中原料及配比 晶化 晶化 产 样品 晶化
聚季铵盐 P的种类及与 温度 时间 编号 硅源、 铝源、 水、 碱的种类及摩尔比例 方式
Si02的质量比(P/ Si02) /°C /小时 /%
1 0.05A12O31 :lSi02 a :0.10Na2O:7 H20 聚季铵盐 -6, 0.1 动态 180 216 85.9
2 0.03Α12Ο3 π :lSi02 e :0.20Na2O:10H2O 聚季铵盐 -7, 0.4 静态 190 144 86.2
3 0.005Α12Ο3 ΙΠ: 1 Si02 a :0.10Na2O:10H2O 聚季铵盐 -10, 0.1 静太 180 96 87.5
4 0.005Α12Ο3 ΙΠ :lSi02 f :0.28Na2O:10H2O 聚季铵盐 -22, 3.0 静太 200 120 90.3
5 0. OlA O^lSiO :0.35Na2O:30H2O 聚季铵盐 -32, 0.8 静态 220 12 93.2
6 0. 20Al2O3 VI: 1 Si02 f :0.40Na2O:70H2O 聚季铵盐 -37, 1.5 动态 210 72 89.6
7 0.50Al2O3 VII :lSiO2 c :0.50Na2O:100H2O 聚季铵盐 -39, 1.5 静太 180 120 88.7
0.5Al2O3 v :lSiO2 c :0.10Na2O: 0.10K2O 聚季铵盐 -44, 0.2
8 静态 200 48 92.1 20H2O 聚季铵盐 -32, 0.2
聚季铵盐 -6, 0.2
0.40Al2O3 IV:lSiO2 d : 0.10Na2O: 0.10K2O: 聚季铵盐 -7, 0.2
9 动态 220 12 89.2 20H2O 聚季铵盐 -22, 0.2
聚季铵盐 -39, 0.2
聚季铵盐 -10, 0.4
10 0.03Al2O3 n :lSi02 d :0.50Na2O:100H2O 聚季铵盐 -37, 0.2 动态 185 216 90.6 聚季铵盐 -44, 0.2
11 0.005A12O31 :lSi02 b :0.10Na2O:60H2O 聚季铵盐 -6, 0.1 动态 120 216 76.8
12 0.50Al2O3 n :lSiO2 b :0.29Na2O: 7H20 聚季铵盐 -7, 0.4 静太 130 144 78.3
13 O.OTSAlzOs'ilSiOz6 :0.29Na2O:60H2O 聚季铵盐 -10, 0.8 静太 130 216 80.6
14 0.13Al2Ov :lSiO2 b :0.29K2O:100H2O 聚季铵盐 -22, 3.0 静太 145 120 81.4 聚季铵盐 -7, 0.4
15 0.040Α12Ο3 ΙΠ :lSi02 c :0.35Na2O:30H2O 静态 150 48 80.7 聚季铵盐 -22, 0.4
16 0.25Al2O3 v :lSiO2 f :0.35Na2O:30H2O 聚季铵盐 -37, 3.0 动态 160 72 85.4
17 0.02Al2O3 VI: 1 Si02 f :0.45Na2O:50H2O 聚季铵盐 -39, 1.5 静太 160 120 87.8
18 0.16Al2O3 v: 1 Si02 f :0.38Na2O:70H2O 聚季铵盐 -44, 1.5 静态 165 48 83.4 聚季铵盐 -6, 0.2
0.05Al2O3 IV: 1 Si02 a:0.25Na2O:0.25K2O: 聚季铵盐 -7, 0.2
19 动态 179 12 90.1 80H2O 聚季铵盐 -22, 0.2
聚季铵盐 -39, 0.2
实施例 2 : 样品 1-40的 XRD表征
对实施例 1中所制备的样品 1-40进行 XRD表征以确认为 Beta沸石分 子筛。 所采用仪器为 Philips X ert PROX型 X射线衍射仪, 铜靶, α辐 射源(λ= 1.5418 Α), 仪器工作电压为 40kv, 工作电流为 40mA。 所得到的 样品 1 -40的 XRD谱图与标准 Beta沸石分子筛的特征谱图一致。典型的 XRD 图谱以样品 1为代表, 2Θ在 5°~50°主要衍射峰位置和峰强度如表 2所示。 其他样品数据结果与表 1 相比, 衍射峰位置和形状相同, 依合成条件的变 化相对峰强度在 ±5%范围内波动, 表明合成产物具有 Beta结构的特征。 表 2典型样品的 XRD衍射数据
No. 2θ/° 相对强度 /%
1 7.4977 39.20
2 21.2905 24.85
3 22.3789 100.00
4 25.2165 5.77
5 27.0356 4.73
6 28.5078 4.58
7 29.5219 5.16
8 33.246 3.76
9 37.2956 1.52
10 43.3512 4.83
实施例 3: 实施例 1中制备的样品 1~40的化学组成
对实施例 1中所制备的样品 1~40通过元素分析仪进行化学组成测量, 所采用仪器为 Magix (PHILIPS) 型 X荧光分析仪, 通过 IQ+无标定量分析 程序, 将标准样品的荧光强度和其标准组成相对应, 扣除了干扰谱线的影 响。
经过元素分析仪测量的结果为各元素的氧化物的百分含量。元素的氧化 物的百分含量经过反推, 可以得到样品的化学组成及硅铝比, 如表 3所示。
表 3样品 1~40化学组成
化学组成 (摩尔, 以 A1203为 1计算) Si/Al
样品编号
Na20+ K20 Α1203 Si02
1 0.080 1 14.8 7.4
2 0.110 1 16.4 8.2
3 0.150 1 40.0 20
4 1.500 1 150 75
5 0.050 1 3 1.5
6 0.167 1 45 22.5
7 0.080 1 2 1
8 0.170 1 60 30
9 0.148 1 23 11.5
10 0.152 1 30 15
11 0.80 1 140 70
12 1.57 1 90 45
13 0.090 1 12 6
14 0.178 1 75 37.5
15 0.132 1 23 11.5
16 0.030 1 4 2
17 0.120 1 18 9
18 0.89 1 90 45
19 0.135 1 23.4 11.7
20 0.094 1 49 24.5
21 0.188 1 26.28 13.14
22 0.150 1 23.8 11.9
23 0.123 1 20 10
24 0.060 1 2 1
25 0.142 1 7.5 3.75
26 0.879 1 74 37
27 1.20 1 199 99.5
28 0.154 1 18 9
29 0.01 1 9.5 4.75
30 0.254 1 45 22.5
31 0.640 1 30 15
32 0.154 1 24.5 12.25
33 0.06 1 2 1
34 0.89 1 200 100
35 0.345 1 18 9
36 0.879 1 195 97.5
37 0.456 1 49.3 24.65
38 0.98 1 150 75
39 0.120 1 8.5 4.25
40 0.118 1 2 1
实施例 4: 样品 1~40的微孔和介孔孔径分布的表征
对实施例 1中所制备的样品 1-40进行氮气物理吸附表征。 所采用仪器 为 Micromeritics Tristar3000型氮气物理吸附仪。 在进行氮气物理吸附表征
之前, 对所得到的样品 1-40进行预处理, 预处理步骤如下: 在常温下将分 子筛样品抽真空处理; 当达到真空条件后,在 130°C处理 2 h; 之后在 350°C 处理 2 h。 氮气物理吸附结果表明, 样品 1-40微孔孔径为 0.6~0.7nm, 均含 有介孔结构, 介孔孔径分布、 平均孔径及介孔孔容如表 4所示。
表 4 样品 1-40介孔孔径分布
样品编
介孔级数 介孔孔径范围 (nm) 平均孔径 (nm) 介孔孔容 cm3/g 号
1 一级介孔 2-7 3.7 0.65
2 一级介孔 3-10 5.0 0.80
3 一级介孔 5-13 7.0 0.95
4 一级介孔 3-6.5 4.0 0.99
5 一级介孔 4-7 4.5 0.78
6 一级介孔 4-10 5.5 0.95
7 一级介孔 3-5 3.8 0.80
8 一级介孔 3-6.5 4.0 0.84
9 一级介孔 3.5-5.5 3.7 0.86
10 一级介孔 2.5-6.5 3.5 0.81
I级介孔 2-4.3 3.9 0.38
11 两级介孔
II级介孔 4-13 8.7 0.38
I级介孔 2.3-4.8 3.7 0.22
12 两级介孔
II级介孔 4-12 8.8 0.66
I级介孔 2.4-4.7 3.5 0.14
13 两级介孔
II级介孔 5-12 9.0 0.85
I级介孔 2.4-4.6 3.7 0.09
14 两级介孔
II级介孔 5-13 8.8 0.81
I级介孔 2.5-4.7 3.5 0.08
15 两级介孔
II级介孔 4.7-12.5 9.2 0.88
I级介孔 2.4-4.6 3.5 0.05 两级介孔
II级介孔 4.9-10 7.9 0.75
I级介孔 2.3-4.8 3.7 0.03 两级介孔
II级介孔 4.4-11.5 8.6 0.60
I级介孔 2.9-4.8 3.9 0.05 两级介孔
II级介孔 4.3-10 7.5 0.80
I级介孔 3-4.57 3.8 0.13 两级介孔
II级介孔 4.1-10.5 8.0 0.65
I级介孔 3.0-4.7 3.4 0.10 两级介孔
II级介孔 4.3-12 8.2 0.74
I级介孔 2.9-4.8 3.3 0.18 两级介孔
II级介孔 4.3-11 7.8 0.72
I级介孔 3.0-4.8 3.2 0.06 两级介孔
II级介孔 4.0-13 8.6 0.72
I级介孔 3.0-4.6 3.5 0.12 两级介孔
II级介孔 4.1-10 7.9 0.78
I级介孔 2.8-4.5 3.6 0.28 两级介孔
II级介孔 4.3-12 8.9 0.56
I级介孔 3-4.7 3.4 0.23 两级介孔
II级介孔 4.3-11 7.8 0.69
I级介孔 2.9-4.8 3.3 0.05 两级介孔
II级介孔 4.3-11 7.8 0.94 一级介孔 8.0-15.0 10.3 0.68 一级介孔 8.2-17 10.5 0.72 一级介孔 9-20 11.0 0.78 一级介孔 9.2-19 10.9 0.77 一级介孔 8.0-18 10.5 0.81 一级介孔 8.3-18 10.3 0.87 一级介孔 10-20 12.0 0.95
34 一级介孔 8.0-14.0 10.0 0.97
35 一级介孔 8.9-15.3 11.0 0.84
36 一级介孔 8.7-17.2 11.3 0.83
37 一级介孔 8.5-15.0 11.1 0.86
38 一级介孔 9.0-18.2 13.0 0.85
39 一级介孔 9.0-19.3 12.5 0.94
40 一级介孔 9.3-20.0 13.3 0.96
实施例 5: 实施例 1中制备的样品 1~40的大孔结构的表征
对实施例 1中所制备的样品 1-40进行大孔结构的表征。 所采用仪器为 Micromeritics AutoPore IV 9500压汞仪。 在进行大孔结构的表征之前, 对所 得到的样品 1-40进行预处理, 预处理步骤如下: 在常温下将分子筛样品抽 真空处理; 当达到真空条件后,在 130°C处理 2 h。实验结果表明,样品 1-33 在大孔区间 50~2000nm内没有峰, 样品 34-40含有孔径分布在 50~200nm 的大孔, 如表 5所示。 表 5 样品 34-40大孔孔径分布
样品编号 大孔孔径范围 (nm) 平均孔径 (nm)
34 50-150 80
35 75-120 90
36 80-140 110
37 50-180 80
38 90-200 110
39 70-190 100
40 100-200 120
实施例 6: 样品的扫描电镜表征
对实施例 1 中所制备的 1~40样品进行扫描电镜表征。 所采用仪器为 Hitachi SU8020场发射扫描电镜, 加速电压为 25kV。 扫描电镜图显示, 样 品 1-40的形貌均呈现为纳米颗粒的球状的聚集。 典型的扫描电镜图以样品 1为代表, 如图 1所示。 实施例 7:
分别取实施例 1中样品 1、 2、 4、 7、 11、 12、 14、 15、 17和 19未经 马弗炉 550°C焙烧 8h的分子筛原粉 1.0 g,装入聚四氟乙烯容器中,加入 5ml 氢氟酸水溶液(20%), 震荡摇匀静置 lh。 待固体充分溶解之后, 收集液体 进行 13C 液体核磁表征。 13C 液体核磁在 Bruker DRX-400核磁共振波普仪 上进行。 结果显示, 含有如下结构单元:
分别取实施例 1中样品 1、 2、 4、 7、 11、 12、 14、 15、 17和 19未经 马弗炉 550°C焙烧 8h的分子筛原粉, 按照实施例 4中方法进行物理吸附试 验, 预处理过程为 160°C抽真空 10h, 其他不变。 所得结果为, 上述未经焙 烧的分子筛原粉中, 微孔孔容均为 0 cm3 g_ 与焙烧过的样品比, 介孔总孔 容降至原来的 30~50%。
结合上述分子筛原粉的物理吸附试验结果和核磁试验结果,与实施例 4
Claims
1、 一种 Beta分子筛的合成方法, 其特征在于, 将由硅源、 铝源、 聚季 铵盐 P、 水和碱源制成的初始凝胶混合物, 在水热条件下晶化制备 Beta分 子筛; 其中, 聚季铵盐 P为结构导向剂。
2、根据权利要求 1所述的方法, 其特征在于, 所述聚季铵盐 P选自聚季 铵盐 -6、 聚季铵盐 -7、 聚季铵盐 - 10、 聚季铵盐 -11、 聚季铵盐 -22、 聚季铵盐 -32、 聚季铵盐 -37、 聚季铵盐 -39、 聚季铵盐 -44中的任意一种或任意几种。
3、 根据权利要求 1所述的方法, 其特征在于, 所述铝源选自有机铝源和 /或无机铝源; 所述硅源选自有机硅源和 /或无机硅源; 所述碱源选自有机碱 和 /无机碱。
4、根据权利要求 3所述的方法,其特征在于,所述有机铝源为异丙醇铝; 所述无机铝源选自氧化铝、 氢氧化铝、 氯化铝、 硫酸铝、 硝酸铝、 铝酸钠 中的任意一种或任意几种;所述有机硅源选自正硅酸甲酯和 /或正硅酸乙酯; 所述无机硅源选自硅溶胶、 硅凝胶、 白炭黑、 水玻璃中的任意一种或任意 几种; 所述有机碱选自有机胺和 /或有机醇的碱金属盐; 所述无机碱选自碱 金属和 /或碱土金属的氢氧化物、氧化物、碳酸盐中的任意一种或任意几种。
5、 按照权利要求 1-4所述的任一方法, 其特征在于, 合成步骤如下: a)将硅源、 铝源、 氢氧化钠和 /或氢氧化钾、 聚季铵盐 P和水混合, 形 成具有如下配比的初始凝胶混合物:
A1203: Si02摩尔比 = 0.005~0.5
Na20和 /或 K20: Si02摩尔比 =0.10~0.5
H20: Si02摩尔比 =7~100
P: Si02质量比 =0.1~3 ;
b) 将所述步骤 a) 得到的初始凝胶混合装入不锈钢反应釜中, 密闭, 然后加热到 120~220°C, 晶化不少于 12小时;
c) 待晶化完成后, 固体产物经分离、 干燥, 即得所述 Beta分子筛。
6、 根据权利要求 5所述的方法, 其特征在于, 所述步骤 a) 中的聚季铵 盐 P与 Si02质量比为 P: SiO2 =0.1~1.5。
7、 根据权利要求 5所述的方法, 其特征在于, 所述步骤 a) 中的聚季铵 盐 P与 Si02质量比为 P: SiO2 =0.1~0.8。
8、 根据权利要求 5所述的方法, 其特征在于, 所述步骤 b) 中晶化温度 为 130~200c, 晶化时间为 12~216小时。
9、 根据权利要求 5所述的方法, 其特征在于, 所述步骤 b) 中晶化方式 为静态晶化或动态晶化。
10、 根据权利要求 5所述的方法, 其特征在于, 步骤 c) 所得固体产物, 经过焙烧, 得到含有孔径为 2~13 nm介孔的具有多级孔道结构的 Beta分子 筛; 一个优选的技术方案为, 步骤 c)所得固体产物, 经过焙烧, 得到含有 孔径为 8~20nm介孔的具有多级孔道结构的 Beta分子筛; 一个优选的技术 方案为, 步骤 c)所得固体产物, 经过焙烧, 得到含有孔径为 2~4.8nm和孔 径为 4.9~13nm的两级介孔的具有多级孔道结构的 Beta分子筛; 一个优选 的技术方案为,步骤 c)所得固体产物,经过焙烧,得到含有孔径为 8~20nm 介孔和孔径为 50~2000nm大孔的具有多级孔道结构的 Beta分子筛。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310369527 | 2013-08-20 | ||
| CN201310369527.7 | 2013-08-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2015024378A1 true WO2015024378A1 (zh) | 2015-02-26 |
Family
ID=52483021
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2014/073876 Ceased WO2015024380A1 (zh) | 2013-08-20 | 2014-03-21 | 一种具有中、微孔复合孔道结构的Beta分子筛及其合成方法 |
| PCT/CN2014/073856 Ceased WO2015024379A1 (zh) | 2013-08-20 | 2014-03-21 | 一种具有中、微孔复合孔道Beta分子筛的制备方法 |
| PCT/CN2014/073894 Ceased WO2015024382A1 (zh) | 2013-08-20 | 2014-03-21 | 一种具有多级孔道结构的Beta分子筛及其制备方法 |
| PCT/CN2014/073850 Ceased WO2015024378A1 (zh) | 2013-08-20 | 2014-03-21 | 一种Beta分子筛的合成方法 |
| PCT/CN2014/073885 Ceased WO2015024381A1 (zh) | 2013-08-20 | 2014-03-21 | 一种具有多级孔道结构的Beta分子筛及其制备方法 |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2014/073876 Ceased WO2015024380A1 (zh) | 2013-08-20 | 2014-03-21 | 一种具有中、微孔复合孔道结构的Beta分子筛及其合成方法 |
| PCT/CN2014/073856 Ceased WO2015024379A1 (zh) | 2013-08-20 | 2014-03-21 | 一种具有中、微孔复合孔道Beta分子筛的制备方法 |
| PCT/CN2014/073894 Ceased WO2015024382A1 (zh) | 2013-08-20 | 2014-03-21 | 一种具有多级孔道结构的Beta分子筛及其制备方法 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2014/073885 Ceased WO2015024381A1 (zh) | 2013-08-20 | 2014-03-21 | 一种具有多级孔道结构的Beta分子筛及其制备方法 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20160194209A1 (zh) |
| EP (1) | EP3037385A4 (zh) |
| JP (1) | JP6228677B2 (zh) |
| KR (1) | KR101818935B1 (zh) |
| CN (9) | CN104418352B (zh) |
| AU (1) | AU2014311141B2 (zh) |
| BR (1) | BR112016002757B1 (zh) |
| EA (1) | EA031800B1 (zh) |
| WO (5) | WO2015024380A1 (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112357900A (zh) * | 2020-09-08 | 2021-02-12 | 温州大学新材料与产业技术研究院 | 一种高密度氮氧氯共掺杂碳颗粒材料、以及制备方法与应用 |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106032281B (zh) * | 2015-03-17 | 2018-07-10 | 中国科学院大连化学物理研究所 | 一种具有介孔和微孔的丝光沸石的制备方法及应用 |
| CN107973304B (zh) * | 2016-10-21 | 2019-11-15 | 中国石油化工股份有限公司 | 一种富含介孔的Beta分子筛及其制备方法 |
| CN107973309B (zh) * | 2016-10-21 | 2019-11-15 | 中国石油化工股份有限公司 | 一种含磷Beta分子筛及其制备方法 |
| CN106829995B (zh) * | 2016-12-31 | 2019-11-26 | 温州大学 | 一种含晶内纳米孔的Beta沸石及其应用 |
| CN106861614A (zh) * | 2017-04-06 | 2017-06-20 | 中触媒新材料股份有限公司 | 含有正构烷烃馏分油吸附分离的5a分子筛吸附剂及其制备方法 |
| CN107032369B (zh) * | 2017-05-10 | 2019-07-02 | 武汉凯迪工程技术研究总院有限公司 | 介孔Beta沸石及其制备方法 |
| CN109133087A (zh) * | 2017-06-27 | 2019-01-04 | 中国科学院大连化学物理研究所 | 一种Beta分子筛的合成方法 |
| CN108217684A (zh) * | 2018-02-11 | 2018-06-29 | 中国科学院大连化学物理研究所 | 一种促进Beta分子筛合成的方法 |
| CN111068751B (zh) * | 2018-10-22 | 2022-05-03 | 中国石油化工股份有限公司 | 一种复合载体的制备方法 |
| CN109647501B (zh) * | 2019-01-18 | 2021-12-28 | 中国科学院城市环境研究所 | 一种多级孔Fe-β分子筛催化剂及其制备方法和用途 |
| CN111686739B (zh) * | 2019-03-12 | 2023-01-10 | 中国石油化工股份有限公司 | 一种含铜催化剂的制备方法 |
| CN111484038B (zh) * | 2020-04-09 | 2023-05-23 | 金华职业技术学院 | 一种多级孔富铝Beta分子筛及其制备方法 |
| JP7709854B2 (ja) | 2020-06-10 | 2025-07-17 | アモーレパシフィック コーポレーション | 浮遊粒子状物質吸着用多孔性複合粉体及びその製造方法 |
| CN115155652B (zh) * | 2022-08-18 | 2024-06-18 | 中国科学院大连化学物理研究所 | 一种催化剂的制备方法及其催化剂的应用 |
| CN116165236B (zh) * | 2022-12-14 | 2025-07-18 | 成都晨光博达新材料股份有限公司 | 一种mq硅树脂中硅羟基含量的测试方法 |
| CN118807826B (zh) * | 2023-04-21 | 2025-11-04 | 中国石油化工股份有限公司 | 加氢裂化催化剂的制法 |
| CN118833831B (zh) * | 2023-04-23 | 2026-04-14 | 中国石油化工股份有限公司 | 一种多孔分子筛材料、制备方法及其应用 |
| CN116283426B (zh) * | 2023-05-23 | 2023-10-31 | 南京助天中科科技发展有限公司 | 新型多级孔复合材料、含有其的树脂及其在土壤改良中的应用 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4497786A (en) * | 1983-07-27 | 1985-02-05 | Mobil Oil Corporation | Deagglomeration of porous siliceous crystalline materials |
| JP3482673B2 (ja) * | 1993-02-02 | 2003-12-22 | 東ソー株式会社 | ゼオライトβの製造方法 |
| CN1749162A (zh) * | 2005-08-26 | 2006-03-22 | 吉林大学 | 高分子聚合物模板合成的复合孔沸石分子筛及其制备方法 |
| CN1792795A (zh) * | 2005-12-29 | 2006-06-28 | 吉林大学 | 聚季铵盐-6为模板剂合成纳米emt分子筛材料的方法 |
| CN102826565A (zh) * | 2012-09-05 | 2012-12-19 | 北京化工大学 | 一种多级孔道Beta分子筛的制备方法 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1171788C (zh) * | 2001-06-29 | 2004-10-20 | 中国石油天然气股份有限公司 | 一种中微孔复合分子筛组合物的合成方法 |
| WO2003043937A2 (en) * | 2001-11-15 | 2003-05-30 | Pq Holding, Inc. | Method for controlling synthesis conditions during molecular sieve synthesis using combinations of quaternary ammonium hydroxides and halides |
| US20060142143A1 (en) * | 2004-12-15 | 2006-06-29 | Hayim Abrevaya | Process for preparing a dielectric interlayer film containing silicon beta zeolite |
| US7211239B2 (en) * | 2005-04-22 | 2007-05-01 | Basf Aktiengesellschaft | Process for preparing a nanosized zeolitic material |
| CN100372767C (zh) * | 2005-12-29 | 2008-03-05 | 吉林大学 | 一种硅铝骨架的Na-RHO沸石的制备方法 |
| FR2914636B1 (fr) * | 2007-04-05 | 2009-06-26 | Inst Francais Du Petrole | Procede de preparation d'une zeolithe beta |
| CN101249968B (zh) * | 2008-03-10 | 2010-06-02 | 吉林大学 | 无有机模板剂合成Beta分子筛的方法 |
| CN101767797B (zh) * | 2009-01-07 | 2012-10-10 | 中国石油化工股份有限公司 | 介孔沸石的合成方法 |
| CN101830480B (zh) * | 2009-03-11 | 2012-01-25 | 中国石油化工股份有限公司 | 复合孔结构沸石分子筛独石的制备方法 |
| JP2011152496A (ja) * | 2010-01-26 | 2011-08-11 | Isuzu Motors Ltd | ディーゼルエンジン排気ガス中のnoxの脱硝方法 |
| US8951498B2 (en) * | 2010-07-30 | 2015-02-10 | University Of Iowa Research Foundation | Synthesis of hierarchical nanocrystalline zeolites with controlled particle size and mesoporosity |
| CN102774854A (zh) * | 2011-05-12 | 2012-11-14 | 北京化工大学 | 一种新型介-微孔NaY分子筛合成方法 |
| CN102826564A (zh) * | 2012-08-14 | 2012-12-19 | 华南理工大学 | 一种多级孔结构的Beta沸石分子筛的制备方法 |
| CN102950020B (zh) * | 2012-09-20 | 2014-12-03 | 中国海洋石油总公司 | 一种含多级孔Beta分子筛的加氢裂化催化剂的制备方法 |
| CN102895991A (zh) * | 2012-10-16 | 2013-01-30 | 中国石油大学(北京) | 一种fcc汽油小分子硫重质化催化剂的制备方法 |
| CN103058216A (zh) * | 2012-11-05 | 2013-04-24 | 新疆大学 | 一种具有晶体微孔壁的介孔分子筛的制备方法 |
| CN103864092A (zh) * | 2012-12-10 | 2014-06-18 | 国际壳牌研究有限公司 | 复合孔沸石β的合成与应用 |
| CN103011189B (zh) * | 2012-12-17 | 2014-09-17 | 吉林大学 | 一种含贵金属的微孔-介孔分子筛、制备方法及用于对硝基苯酚的催化还原 |
-
2014
- 2014-03-21 WO PCT/CN2014/073876 patent/WO2015024380A1/zh not_active Ceased
- 2014-03-21 WO PCT/CN2014/073856 patent/WO2015024379A1/zh not_active Ceased
- 2014-03-21 KR KR1020167007020A patent/KR101818935B1/ko not_active Expired - Fee Related
- 2014-03-21 CN CN201410109562.XA patent/CN104418352B/zh active Active
- 2014-03-21 CN CN201410109550.7A patent/CN104418351B/zh active Active
- 2014-03-21 CN CN201410108995.3A patent/CN104418347B/zh active Active
- 2014-03-21 EP EP14837992.8A patent/EP3037385A4/en not_active Withdrawn
- 2014-03-21 BR BR112016002757-4A patent/BR112016002757B1/pt not_active IP Right Cessation
- 2014-03-21 WO PCT/CN2014/073894 patent/WO2015024382A1/zh not_active Ceased
- 2014-03-21 CN CN201410109705.7A patent/CN104418353B/zh active Active
- 2014-03-21 CN CN201410108993.4A patent/CN104418346B/zh active Active
- 2014-03-21 CN CN201410109151.0A patent/CN104418348B/zh active Active
- 2014-03-21 JP JP2016535308A patent/JP6228677B2/ja not_active Expired - Fee Related
- 2014-03-21 WO PCT/CN2014/073850 patent/WO2015024378A1/zh not_active Ceased
- 2014-03-21 CN CN201410109175.6A patent/CN104418349B/zh active Active
- 2014-03-21 CN CN201410109200.0A patent/CN104418350A/zh active Pending
- 2014-03-21 AU AU2014311141A patent/AU2014311141B2/en not_active Ceased
- 2014-03-21 US US14/910,023 patent/US20160194209A1/en not_active Abandoned
- 2014-03-21 EA EA201690420A patent/EA031800B1/ru not_active IP Right Cessation
- 2014-03-21 CN CN201410108976.0A patent/CN104418345B/zh active Active
- 2014-03-21 WO PCT/CN2014/073885 patent/WO2015024381A1/zh not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4497786A (en) * | 1983-07-27 | 1985-02-05 | Mobil Oil Corporation | Deagglomeration of porous siliceous crystalline materials |
| JP3482673B2 (ja) * | 1993-02-02 | 2003-12-22 | 東ソー株式会社 | ゼオライトβの製造方法 |
| CN1749162A (zh) * | 2005-08-26 | 2006-03-22 | 吉林大学 | 高分子聚合物模板合成的复合孔沸石分子筛及其制备方法 |
| CN1792795A (zh) * | 2005-12-29 | 2006-06-28 | 吉林大学 | 聚季铵盐-6为模板剂合成纳米emt分子筛材料的方法 |
| CN102826565A (zh) * | 2012-09-05 | 2012-12-19 | 北京化工大学 | 一种多级孔道Beta分子筛的制备方法 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112357900A (zh) * | 2020-09-08 | 2021-02-12 | 温州大学新材料与产业技术研究院 | 一种高密度氮氧氯共掺杂碳颗粒材料、以及制备方法与应用 |
| CN112357900B (zh) * | 2020-09-08 | 2022-07-19 | 温州大学新材料与产业技术研究院 | 一种高密度氮氧氯共掺杂碳颗粒材料、以及制备方法与应用 |
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2015024378A1 (zh) | 一种Beta分子筛的合成方法 | |
| WO2016086362A1 (zh) | 一种多级孔zsm-5分子筛的合成方法 | |
| CN103101930A (zh) | 一种有序介孔zsm-5分子筛及其制备方法 | |
| CN104843730B (zh) | 一种Beta/ZSM‑5纳米复合分子筛及其制备方法 | |
| CN116174024B (zh) | 一种催化裂解催化剂及其制备方法和应用 | |
| CN104043477A (zh) | 一种zsm-5/mcm-48复合分子筛及其制备方法和应用 | |
| CN108217684A (zh) | 一种促进Beta分子筛合成的方法 | |
| CN105621445A (zh) | 一种NaY型分子筛及其制备方法 | |
| WO2018205841A1 (zh) | 中孔NaY型沸石分子筛的制备方法 | |
| CN114425417B (zh) | 一种石脑油催化裂解催化剂及其制备方法与应用 | |
| CN113830778B (zh) | ZSM-5/β核壳型分子筛及其合成方法和应用 | |
| CN113860323B (zh) | 一种分子筛的合成方法 | |
| CN116062763B (zh) | 一种核壳分子筛及其制备方法和应用 | |
| CN116022820A (zh) | 纳米β分子筛及其制备方法和应用 | |
| JP2022156977A (ja) | 充填密度が高いフォージャサイト型ゼオライトおよびその製造方法 | |
| CN110092392A (zh) | 一种复合材料的制备方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 14838500 Country of ref document: EP Kind code of ref document: A1 |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 14838500 Country of ref document: EP Kind code of ref document: A1 |











