WO2016158582A1 - ゼオライト膜構造体 - Google Patents
ゼオライト膜構造体 Download PDFInfo
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- WO2016158582A1 WO2016158582A1 PCT/JP2016/059047 JP2016059047W WO2016158582A1 WO 2016158582 A1 WO2016158582 A1 WO 2016158582A1 JP 2016059047 W JP2016059047 W JP 2016059047W WO 2016158582 A1 WO2016158582 A1 WO 2016158582A1
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- zeolite membrane
- zeolite
- protective film
- membrane
- film
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/02—Inorganic material
- B01D71/028—Molecular sieves
- B01D71/0281—Zeolites
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/02—Inorganic material
- B01D71/028—Molecular sieves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/12—Composite membranes; Ultra-thin membranes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B19/00—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica
- B32B19/04—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica next to another layer of the same or of a different material
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/04—Characteristic thickness
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B37/00—Compounds having molecular sieve properties but not having base-exchange properties
- C01B37/02—Crystalline silica-polymorphs, e.g. silicalites dealuminated aluminosilicate zeolites
Definitions
- the present invention relates to a zeolite membrane structure provided with a zeolite membrane.
- a ceramic filter including a zeolite membrane formed on a support is superior in mechanical strength as compared with a polymer membrane, and is therefore suitable for separating or concentrating a desired component from a liquid mixture or a gas mixture. (For example, see Patent Document 1).
- the present invention has been made in view of the above situation, and an object thereof is to provide a zeolite membrane structure capable of improving durability.
- the zeolite membrane structure according to the present invention includes a support, a zeolite membrane, and a protective membrane.
- the zeolite membrane is formed on the surface of the support.
- the protective film is formed on the surface of the zeolite film.
- the protective film is made of organic-inorganic hybrid silica or carbon.
- a zeolite membrane structure capable of improving durability can be provided.
- FIG. 1 is a cross-sectional view showing the configuration of the separation membrane structure 10.
- the separation membrane structure 10 includes a support 20, a zeolite membrane 30, and a protective membrane 40.
- the support 20 supports the zeolite membrane 30.
- the support 20 has chemical stability such that the zeolite membrane 30 can be formed into a membrane (crystallization, coating, or precipitation).
- the support 20 may have any shape that can supply a mixed fluid to be separated to the zeolite membrane 30. Examples of the shape of the support 20 include a honeycomb shape, a monolith shape, a flat plate shape, a tubular shape, a cylindrical shape, a columnar shape, and a prismatic shape.
- the support 20 has a base body 21, an intermediate layer 22, and a surface layer 23.
- the base 21 is made of a porous material.
- a porous material for example, a ceramic sintered body, metal, organic polymer, glass, or carbon can be used.
- the ceramic sintered body include alumina, silica, mullite, zirconia, titania, yttria, silicon nitride, and silicon carbide.
- the metal include aluminum, iron, bronze, silver, and stainless steel.
- the organic polymer include polyethylene, polypropylene, polytetrafluoroethylene, polysulfone, and polyimide.
- the substrate 21 may contain an inorganic binder.
- the inorganic binder at least one of titania, mullite, easily sinterable alumina, silica, glass frit, clay mineral, and easily sinterable cordierite can be used.
- the average pore diameter of the substrate 21 can be set to 5 ⁇ m to 25 ⁇ m, for example.
- the average pore diameter of the substrate 21 can be measured with a mercury porosimeter.
- the porosity of the substrate 21 can be set to 25% to 50%, for example.
- the average particle diameter of the porous material constituting the substrate 21 can be set to 5 ⁇ m to 100 ⁇ m, for example.
- the average particle diameter of the substrate 21 is a value obtained by arithmetically averaging the maximum diameters of 30 measurement target particles measured by cross-sectional microstructure observation using a SEM (scanning electron microscope).
- the intermediate layer 22 is formed on the surface 21S of the base 21.
- the intermediate layer 22 can be composed of the porous material that can be used for the substrate 21.
- the average pore diameter of the intermediate layer 22 may be smaller than the average pore diameter of the substrate 21, and may be, for example, 0.005 ⁇ m to 2 ⁇ m.
- the average pore diameter of the intermediate layer 22 can be measured with a palm porometer.
- the porosity of the intermediate layer 22 can be set to 20% to 60%, for example.
- the average thickness of the intermediate layer 22 can be set to 30 ⁇ m to 300 ⁇ m, for example.
- the surface layer 23 is formed on the surface 22S of the intermediate layer 22.
- the surface layer 23 can be composed of the porous material that can be used for the substrate 21.
- the average pore diameter of the surface layer 23 may be smaller than the average pore diameter of the intermediate layer 22, and may be, for example, 0.001 ⁇ m to 0.5 ⁇ m.
- the average pore diameter of the surface layer 23 can be measured with a palm porometer.
- the porosity of the surface layer 23 can be set to 20% to 60%, for example.
- the average thickness of the surface layer 23 can be, for example, 1 ⁇ m to 50 ⁇ m.
- the surface layer 23 has a surface 23S in contact with the zeolite membrane 30.
- the surface 23S is the outermost surface of the support 20.
- the surface roughness Ra of the surface 23S is preferably 2.13 ⁇ m or less.
- the surface roughness Ra of the surface 23S is preferably 0.29 ⁇ m or more.
- the surface roughness Ra of the surface 23S can be measured by a method based on JIS B 0601 from a 25 ⁇ m long cross-sectional curve obtained by SEM.
- the zeolite membrane 30 is formed on the surface 23S of the surface layer 23.
- the framework structure (type) of the zeolite contained as the main component in the zeolite membrane 30 is not particularly limited, and for example, MFI, LTA, CHA, DDR, MOR, DOH, FAU, OFF / ERI, LTL, FER, BEA, BEC, CON, MSE, MEL, MTW, MEI, MWW, RHO, BOG, SZR, EMT, SOD, AEI, AEL, AEN, AET, AFN, AFO, AFR, AFS, AFT, AFI, AFX, ANA, CAN, GIS, GME, HEU, JBW, KFI, LAU, LEV, MAZ, MER, MFS, MTT, PHI, SFG, TUN, TON, UFI, VET, VFI, VNI and VSV.
- the composition X “comprising the substance Y as the main component” means that the substance Y preferably occupies 60% by weight or more, more preferably 70% by weight or more in the entire composition X. More preferably, it means 90% by weight or more.
- the zeolite membrane 30 may contain an inorganic binder (such as silica or alumina), an organic binder (such as a polymer), and a silylating agent.
- an inorganic binder such as silica or alumina
- an organic binder such as a polymer
- the Si / Al atomic ratio in the zeolite membrane 30 is not particularly limited, but can be, for example, 1.5 or more.
- the zeolite membrane 30 may be composed of high silica zeolite having a Si / Al atomic ratio of 200 or more. Such high-silica zeolite has the characteristics that it contains substantially no or no aluminum, has high corrosion resistance, and has few film defects.
- the Si / Al atomic ratio in the zeolite membrane 30 can be adjusted by controlling the reaction solution and reaction conditions used for hydrothermal synthesis.
- the Si / Al atomic ratio in the zeolite membrane 30 can be measured by SEM-EDX (scanning electron microscope-energy dispersive X-ray spectroscopy).
- the average thickness of the zeolite membrane 30 is not particularly limited, but can be, for example, 0.1 ⁇ m to 10 ⁇ m. When the zeolite membrane 30 is thinned, the amount of permeation tends to increase. When the zeolite membrane 30 is thickened, the selectivity and membrane strength tend to improve. The thickness of the zeolite membrane 30 can be adjusted by controlling the hydrothermal synthesis time.
- the zeolite membrane 30 has pores.
- the average pore diameter of the zeolite membrane 30 is not particularly limited and may be determined according to the liquid mixture or gas mixture to be separated.
- the average pore diameter of the zeolite membrane 30 can be adjusted, for example, by specifying the framework structure of the zeolite by changing the type and size of the structure-directing agent or template.
- the average pore diameter of the zeolite membrane 30 can be set to 0.2 nm to 2.0 nm, for example.
- the average pore diameter of the zeolite membrane 30 may have a major axis and a minor axis.
- the minor axis of the pores of the DDR type zeolite membrane is 0.36 nm and the major axis is 0.44 nm.
- the zeolite membrane 30 has a surface 30S that contacts the protective membrane 40.
- the surface roughness Ra of the surface 30S is not particularly limited, but is preferably 1.74 ⁇ m or less. Thereby, the peeling strength of the protective film 40 mentioned later can be improved.
- the surface roughness Ra of the surface 30S is preferably 0.28 ⁇ m or more. Thereby, the adhesiveness of the zeolite membrane 30 and the protective membrane 40 can be improved.
- the surface roughness Ra of the surface 30S can be measured by a method based on JIS B 0601 from a 25 ⁇ m long cross-sectional curve obtained by SEM.
- the protective film 40 is formed on the surface 30S of the zeolite film 30.
- the protective film 40 covers the surface 30 ⁇ / b> S of the zeolite film 30.
- the protective film 40 is made of an organic-inorganic hybrid silica material or a carbon material.
- the organic-inorganic hybrid silica material is one in which an organic component and an inorganic component are chemically bonded, or a mixture of an organic component and an inorganic component.
- a silane coupling agent or a material obtained by hydrolysis and dehydration condensation of alkoxysilane can be used. More specifically, a hydrolyzed and condensed bistriethoxysilyl compound of the structural formula (C 2 H 5 O) 3 SiC n H 2n Si (C 2 H 5 O) 3 (n ⁇ 1) is used. Can do. This substance is in a state in which an organic component and an inorganic component containing silicon are chemically bonded.
- the carbon material a known material used for a separation membrane can be used. Details of the material for the separation membrane are described in JP-A No. 2003-286018.
- Such organic / inorganic hybrid silica materials and carbon materials are porous water-resistant materials. Therefore, it is possible to suppress the occurrence of defects in the protective film 40 itself due to water or water vapor contained in the liquid mixture or gas mixture to be separated.
- the average thickness of the protective film 40 can be set to 30 nm to 300 nm.
- the average thickness of the protective film 40 is preferably 172 nm or less. Thereby, it can suppress that a crack generate
- the average thickness of the protective film 40 is preferably 44 nm or more. Thereby, durability of the protective film 40 can be improved more.
- the “average thickness” of each film is an arithmetic average value of thicknesses at arbitrary 10 positions measured by cross-sectional microstructure observation using a TEM (Transmission Electron Microscope).
- a molded body of the base 21 having a desired shape is formed by an extrusion molding method, a press molding method, a cast molding method, or the like.
- the molded body of the substrate 21 is fired (for example, 900 ° C. to 1450 ° C.) to form the substrate 21.
- the intermediate layer 22 is formed by forming a slurry for the intermediate layer prepared using a ceramic raw material having a desired particle diameter on the surface 21S of the base 21.
- the molded body of the intermediate layer 22 is fired (for example, 900 ° C. to 1450 ° C.) to form the intermediate layer 22.
- a surface layer 23 is formed on the surface 22S of the intermediate layer 22 by forming a slurry for the surface layer using a ceramic raw material having a desired particle diameter to form a formed body of the surface layer 23.
- the molded body of the surface layer 23 is fired (for example, 900 ° C. to 1450 ° C.) to form the surface layer 23.
- a seeding slurry in which zeolite seed crystals are dispersed in alcohol is applied to the surface 23S of the surface layer 23 by a flow-down method or a dip method.
- the support 20 with the zeolite seed crystals attached is immersed in a pressure vessel containing a raw material solution containing a silica source, an alumina source, an alkali source, water, and the like.
- the raw material solution may contain an organic template.
- the pressure-resistant container is put in a dryer and heated (hydrothermal synthesis) at 100 to 200 ° C. for about 1 to 240 hours to grow a zeolite seed crystal into a film.
- the support 20 on which the zeolite membrane 30 is formed is washed and dried at 80 to 100 ° C. Thereafter, when the organic template is contained in the raw material solution, the organic template is burned and removed by placing the support 20 in an electric furnace and heating in the atmosphere (400 to 800 ° C., 1 to 200 hours). .
- the protective film 40 is formed on the surface 30S of the zeolite film 30.
- a method for forming an organic-inorganic hybrid silica film as the protective film 40 will be described.
- an organic-inorganic hybrid silica obtained by hydrolysis or dehydration condensation of a silane coupling agent or alkoxysilane is decomposed into a solvent such as alcohol to produce a sol.
- the wind speed at this time is preferably 5.0 m / s or more and 10 m / s or less, and more preferably 6.0 m / s or more and 9.0 m / s or less. Thereby, suitable drying can be performed at normal temperature. Moreover, it is preferable that wind temperature is 10 degreeC or more and 80 degrees C or less. Thereby, it can dry quickly, suppressing that a crack etc. generate
- moisture may be adsorbed by a dehumidification rotor having a honeycomb structure in which an adsorbent is strongly bonded.
- a uniform sol coating film can be formed by blowing and drying the sol.
- the coating thickness can be made uniform, the coating can be dried quickly, and condensation can be suppressed.
- the sol dried at 300 ° C. to 350 ° C. in a reducing atmosphere is heated to form an organic-inorganic hybrid silica film.
- the support 20 has the base 21, the intermediate layer 22, and the surface layer 23.
- the support 20 may not have one or both of the intermediate layer 22 and the surface layer 23.
- the zeolite membrane 30 is formed on the surface 22S of the intermediate layer 22.
- the surface roughness Ra of the surface 22S is preferably 2.13 ⁇ m or less, and preferably 0.29 ⁇ m or more.
- the zeolite membrane 30 is formed on the surface 21S of the base 21.
- the surface roughness Ra of the surface 21S is preferably 2.13 ⁇ m or less, and preferably 0.29 ⁇ m or more.
- the zeolite membrane 30 is formed using the zeolite seed crystal, but the zeolite membrane 30 may be formed without using the zeolite seed crystal.
- a molded body of a monolithic substrate having a plurality of through holes was formed by extruding the clay.
- the molded body of the base was fired (1250 ° C., 1 hour).
- an intermediate layer slurry was prepared by adding PVA (organic binder) to alumina and titania having an average particle diameter of 50 ⁇ m, and an intermediate layer formed body was formed on the inner surface of each through hole by a filtration method. And the molded object of the intermediate
- PVA organic binder
- a slurry for the surface layer is prepared using alumina having an average particle size of 0.3 ⁇ m to 0.6 ⁇ m (see Table 1), and the surface layer is coated on the inner surface of each intermediate layer by a filtration method or a flow-down method (see Table 1).
- a molded body was formed.
- a slurry for the surface layer was prepared by adding PVA (organic binder) to alumina.
- PVA organic binder
- the amount of PVA (organic binder) to be added was adjusted for each sample.
- a slurry for the surface layer was prepared without adding PVA (organic binder) to alumina.
- the surface layer is formed more smoothly than the filtration method.
- the time for unraveling the surface layer slurry by the ball mill was changed for each sample. Then, the surface layer compact was fired to form a surface layer.
- a DDR type zeolite seed crystal (hereinafter referred to as a seed crystal) was prepared by using a pulverized DDR type zeolite powder prepared based on the method described in International Publication No. 2010 / 090049A1 as a nucleus.
- a seeding slurry was prepared by stirring a dispersion in which seed crystals were dispersed in water while being dropped into ethanol.
- the seeding slurry was poured into a wide-mouth funnel arranged above the support placed vertically, and the seeding slurry flowing out from the outlet of the wide-mouth funnel was poured into each through hole of the support. Then, air at room temperature was passed through each through hole to dry the seeding slurry.
- a support having a seed crystal attached thereto was placed in a stainless steel pressure resistant vessel with a fluororesin inner cylinder, and the prepared film forming raw material solution was placed and heated (hydrothermal synthesis).
- a DDR type zeolite membrane containing 1-adamantanamine was formed on the inner surface of the through hole of the support.
- the support on which the DDR type zeolite membrane containing 1-adamantanamine was formed was heated to burn and remove 1-adamantanamine.
- BTESE bisistriethoxysilyl compound: structural formula (C 2 H 5 O) 3 SiC n H 2 n Si (C 2 H 5 O) 3 (n ⁇ 1): manufactured by Gelest) and ethanol 29. 53 g was mixed and stirred while keeping the water temperature at 3 ° C. (A). Nitric acid 0.56g was added to water 3.02g (B). B was added dropwise to A, followed by stirring at 60 ° C. for 3 hours (C). Ethanol was added to C to adjust the solid content to 0.12% to 0.36% by mass (see Table 1) to obtain a protective film raw material sol.
- the protective film raw material sol was poured into the inside of the DDR type zeolite film. Then, 23 ° C. air (dew point: ⁇ 21 ° C.) was passed through each through hole at a wind speed of 7.5 m / s for 30 minutes to dry the protective film raw material sol.
- the dried protective film raw material sol was baked at 350 ° C. for 1 hour in an N 2 atmosphere to form an organic-inorganic hybrid silica film.
- sample no. A support and a DDR type zeolite membrane were prepared in the same steps as in 1 to 8.
- the protective film raw material sol was poured into the inside of the DDR type zeolite film. Then, 23 ° C. air (dew point: ⁇ 21 ° C.) was passed through each through hole at a wind speed of 7.5 m / s for 30 minutes to dry the protective film raw material sol.
- Sample No. 14 Sample No. A support and a DDR type zeolite membrane were produced in the same steps as 1 to 8, and a protective film covering the DDR type zeolite membrane was not formed.
- the composition of the permeate collected after the elapse of 500 hours is analyzed by neutralization titration to calculate the water permeation amount and the acetic acid concentration, and (permeate concentration / permeate concentration) / (feed water concentration / feed acetic acid concentration). ) To calculate the separation factor ( ⁇ 500). Then, the maintenance factor ( ⁇ 500 / ⁇ 5) of the separation factor ( ⁇ 500) after 500 hours with respect to the separation factor ( ⁇ 5) after 5 hours was calculated. Table 1 shows the retention rate of the separation factor after 500 hours.
- Sample No. in which the average thickness of the protective film is 172 nm or less.
- the separation factor ( ⁇ 5) after 5 hours could be improved. This is because cracks in the protective film in the drying and firing processes could be suppressed by suppressing the thickness of the protective film.
- Sample No. with an average thickness of the protective film of 44 nm or more was used. In Nos. 1 to 6 and 8 to 13, sample Nos. With an average protective film thickness of less than 44 nm were used. Compared to 7, it was possible to improve the separation factor maintenance rate ( ⁇ 500 / ⁇ 5). This is because peeling of the protective film during long-time use can be suppressed by ensuring a sufficient thickness of the protective film.
- the surface roughness Ra of the surface layer is 2.13 ⁇ m or less, so that the surface roughness Ra of the zeolite membrane is 1.74 ⁇ m or less.
- the peel strength could be improved. This is because by reducing the surface roughness Ra, the thickness of the protective layer becomes uniform, and the residual stress of the protective layer can be reduced.
- the durability of the zeolite membrane structure can be improved, it is useful in the field of separation membranes.
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Abstract
Description
図1は、分離膜構造体10の構成を示す断面図である。分離膜構造体10は、支持体20とゼオライト膜30と保護膜40とを備える。
以下、分離膜構造体10の製造方法について説明する。
上記実施形態において、支持体20は、基体21と中間層22と表層23を有することとしたが、中間層22と表層23の一方又は両方を有していなくてもよい。
以下のようにして、サンプルNo.1に係るゼオライト膜構造体を作製した。
まず、サンプルNo.1~8と同じ工程にて支持体とDDR型ゼオライト膜を作製した。
サンプルNo.1~8と同じ工程にて支持体及びDDR型ゼオライト膜を作製し、DDR型ゼオライト膜を覆う保護膜は形成しなかった。
各サンプルについて、表層の表面の断面をSEMで観察することによって、DDR型ゼオライト膜と接触する表面の表面粗さRaを25μm長の断面曲線からJIS B 0601に準拠した方法で測定した。測定結果を表1に示す。
各サンプルについて、DDR型ゼオライト膜の表面の断面をSEMで観察することによって、保護膜と接触する表面の表面粗さRaを25μm長の断面曲線からJIS B 0601に準拠した方法で測定した。測定結果を表1に示す。
サンプルNo.1~13について、保護膜の断面をTEMで観察することによって、任意の10箇所の厚みの算術平均値を算出した。算出結果を表1に示す。
各サンプルについて、90℃の水と酢酸の混合液(各液の重量比を95:5とした。)をセル内に供給しながら、セルの透過側の圧力を50torrにした時に膜を透過する蒸気を液体N2トラップで回収した。
サンプルNo.1~13について、保護膜とゼオライト膜の密着力を測定するために、保護膜の剥離強度試験を行った。具体的には、スタッドプル剥離強度測定型の薄膜密着強度測定器(フォトテクニカ社製、商品名ロミュラス)を用いて評価した。
20 支持体
21 基体
22 中間層
23 表層
30 ゼオライト膜
40 保護膜
Claims (7)
- 支持体と、
前記支持体の表面上に形成されるゼオライト膜と、
前記ゼオライト膜の表面上に形成され、有機無機ハイブリッドシリカ又は炭素によって構成される保護膜と、
を備えるゼオライト膜構造体。 - 前記保護膜の平均厚みは、172nm以下である、
請求項1に記載のゼオライト膜構造体。 - 前記保護膜の平均厚みは、44nm以上である、
請求項1又は2に記載のゼオライト膜構造体。 - 前記ゼオライト膜の前記表面における表面粗さRaは、1.74μm以下である、
請求項1乃至3のいずれかに記載のゼオライト膜構造体。 - 前記支持体の前記表面における表面粗さRaは、2.13μm以下である、
請求項4に記載のゼオライト膜構造体。 - 前記ゼオライト膜の前記表面における表面粗さRaは、0.28μm以上である、
請求項1乃至5のいずれかに記載のゼオライト膜構造体。 - 前記支持体の前記表面における表面粗さRaは、0.29μm以上である、
請求項6に記載のゼオライト膜構造体。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112016001565.8T DE112016001565T5 (de) | 2015-03-31 | 2016-03-22 | Zeolithfilmstruktur |
JP2017509834A JP6685998B2 (ja) | 2015-03-31 | 2016-03-22 | ゼオライト膜構造体 |
CN201680013539.8A CN107427783A (zh) | 2015-03-31 | 2016-03-22 | 沸石膜结构体 |
CN202310060370.3A CN115945075A (zh) | 2015-03-31 | 2016-03-22 | 沸石膜结构体 |
US15/689,372 US10427108B2 (en) | 2015-03-31 | 2017-08-29 | Zeolite film structure |
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JP2015-071568 | 2015-03-31 | ||
JP2015071568 | 2015-03-31 |
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US15/689,372 Continuation US10427108B2 (en) | 2015-03-31 | 2017-08-29 | Zeolite film structure |
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WO2016158582A1 true WO2016158582A1 (ja) | 2016-10-06 |
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PCT/JP2016/059047 WO2016158582A1 (ja) | 2015-03-31 | 2016-03-22 | ゼオライト膜構造体 |
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US (1) | US10427108B2 (ja) |
JP (1) | JP6685998B2 (ja) |
CN (2) | CN115945075A (ja) |
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BR112020019285A2 (pt) * | 2018-03-30 | 2021-01-05 | Ngk Insulators, Ltd. | Complexo de membrana de zeólito, método para produzir complexo de membrana de zeólito e método de separação |
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CN107427783A (zh) | 2017-12-01 |
DE112016001565T5 (de) | 2018-01-04 |
JP6685998B2 (ja) | 2020-04-22 |
JPWO2016158582A1 (ja) | 2018-01-25 |
CN115945075A (zh) | 2023-04-11 |
US20170361282A1 (en) | 2017-12-21 |
US10427108B2 (en) | 2019-10-01 |
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