WO2011070879A1 - Ddr型ゼオライトの製造方法 - Google Patents
Ddr型ゼオライトの製造方法 Download PDFInfo
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- WO2011070879A1 WO2011070879A1 PCT/JP2010/069726 JP2010069726W WO2011070879A1 WO 2011070879 A1 WO2011070879 A1 WO 2011070879A1 JP 2010069726 W JP2010069726 W JP 2010069726W WO 2011070879 A1 WO2011070879 A1 WO 2011070879A1
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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
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- C—CHEMISTRY; METALLURGY
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- 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
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- the present invention relates to a method for producing a DDR type zeolite that can be used for a catalyst, a catalyst carrier, an adsorbent, a gas separation membrane, a pervaporation membrane, and the like.
- DDR Deca-Dodecasil 3R
- the pore diameter of the DDR type zeolite is 4.4 ⁇ 3.6 angstrom, which is relatively small among the pore diameters of various zeolites.
- DDR type zeolite has unique adsorption characteristics for low molecular gases in addition to small pore diameters. Therefore, DDR type zeolite is applied as an adsorbent for separating only a specific low molecular gas.
- DDR type zeolite can be used as a molecular sieve membrane for low molecular gas by forming into a film.
- DDR type zeolite In the production method of DDR type zeolite, 1-adamantanamine is used as a structure-directing agent, colloidal silica, ethylenediamine, and water are used as raw materials, and seed crystals of DDR type zeolite are added to these raw materials for hydrothermal synthesis. Thus, a method for crystal growth of DDR type zeolite is known. In this production method, an all-silica DDR type zeolite containing no aluminum can be produced (Patent Documents 1 and 2).
- the problem of the present invention is that it can be carried out with a material having a low impact on the environment, the hydrothermal synthesis time is short and constant stirring of the raw material solution is not required, and the production cost is low. It is to provide a method for producing a DDR type zeolite.
- the present inventors have found a method for synthesizing a DDR type zeolite using 1-adamantanamine hydrochloride, and have completed the present invention. That is, according to this invention, the manufacturing method of the DDR type zeolite shown below is provided.
- a crystal growth step for producing a DDR type zeolite.
- the raw material solution preparing step includes the step of preparing the raw material solution containing the silica (SiO 2 ) using silica sol, and the pH adjusting step of adjusting the pH of the raw material solution [1]. Or the manufacturing method of the DDR type zeolite as described in [2].
- silica SiO 2
- sodium hydroxide NaOH
- the DDR type zeolite is crystal-grown on the support by immersing the support in the raw material solution in which the DDR type zeolite powder is dispersed.
- the support on which the DDR type zeolite powder is adhered is immersed in the raw material solution to bring the raw material solution into contact with the DDR type zeolite powder.
- the manufacturing method of the DDR type zeolite in any one of.
- the method for producing DDR type zeolite of the present invention requires a short hydrothermal synthesis time and does not require constant stirring of the raw material solution. Moreover, the manufacturing method of the DDR type zeolite of the present invention can be carried out without using ethylenediamine, which is pointed out to affect the environment. In addition, the production method of the DDR type zeolite of the present invention can reduce the production cost by using 1-adamantanamine hydrochloride, which has a large circulation amount and is inexpensive.
- FIG. 1 is a diagram showing an X-ray diffraction pattern of a powdery DDR type zeolite of Example 1.
- FIG. 4 is a diagram showing an X-ray diffraction pattern of a powdered DDR type zeolite of Example 2.
- FIG. 4 is a diagram showing an X-ray diffraction pattern of a support made of alumina after hydrothermal synthesis of Example 3.
- the method for producing a DDR type zeolite of the present invention comprises a raw material solution preparation step for preparing a raw material solution containing 1-adamantanamine hydrochloride, silica (SiO 2 ) and water, and the raw material solution and the DDR type zeolite powder are in contact with each other. And a crystal growth step of growing the DDR type zeolite by using the DDR type zeolite powder as a seed crystal.
- the above raw material solution contains 1-adamantanamine hydrochloride, SiO 2 and water, and the molar ratio of 1-adamantanamine hydrochloride / SiO 2 is 0.002 to 0.5 and water / SiO 2 .
- the molar ratio is 10 to 500.
- 1-adamantanamine acts as a so-called structure-directing agent, which serves as a template for forming the crystal structure of the DDR type zeolite when the DDR type zeolite grows.
- 1-adamantanamine is hardly soluble in water. Therefore, the method for producing a DDR type zeolite of the present invention uses 1-adamantanamine hydrochloride having high solubility in the raw material solution. Even if 1-adamantanamine is dissolved in the raw material solution in the form of hydrochloride, it can function as a structure-directing agent in the crystal growth of DDR type zeolite.
- a sufficient amount of structure directing agent can be dissolved in the raw material solution by using 1-adamantanamine hydrochloride instead of 1-adamantanamine. ing.
- the crystal growth of the DDR type zeolite proceeds efficiently in the crystal growth step.
- zeolite crystals are produced with very little mixed phase with crystal phases other than the DDR type.
- Raw material solution preparation process In the raw material solution preparation step, a raw material solution containing 1-adamantanamine hydrochloride, silica (SiO 2 ), and water is prepared.
- the raw material solution is prepared so that the molar ratio of 1-adamantanamine hydrochloride / SiO 2 is 0.002 to 0.5.
- the 1-adamantanamine hydrochloride / SiO 2 molar ratio is 0.002 or more, there is no shortage of the amount of the structure-directing agent dissolved in the raw material solution. As a result, the rate of crystal growth of the DDR type zeolite Will not drop.
- the 1-adamantanamine hydrochloride / SiO 2 molar ratio is up to 0.5, the amount of 1-adamantanamine hydrochloride is sufficient to maintain the crystal growth rate of the DDR type zeolite.
- 1-adamantanamine hydrochloride / SiO 2 is 0.5 or less
- 1-adamantanamine hydrochloride can be kept to the minimum necessary amount, and 1-adamantanamine hydrochloride can be saved. Therefore, it is preferable from the viewpoint of manufacturing cost.
- the raw material solution is prepared so that the molar ratio of water / SiO 2 is 10 to 500. This numerical range is suitable for crystal growth of DDR type zeolite.
- silica (SiO 2 ) can be contained in the raw material solution by using silica sol as the raw material.
- the silica sol may be one prepared by dissolving fine powdered silica in water, or commercially available colloidal silica.
- Silica sol tends to gel even if the pH is too high or conversely too low.
- the raw material solution adjustment step when preparing the raw material solution using silica sol, it is preferable to perform a pH adjustment step of adjusting the pH of the raw material solution in order to prevent the silica sol from gelling.
- a specific example of the pH adjustment step is the addition of a hydroxide solution.
- the raw material solution it is preferable to prepare the raw material solution so that the molar ratio of sodium hydroxide (NaOH) to NaOH / 1-adamantanamine hydrochloride is 1.0 or less by the above pH adjustment step or the like. This makes it difficult for the raw material solution to be in an excessively high pH state or an excessively low pH state, and as a result, the raw material solution has a very low tendency to gel.
- NaOH sodium hydroxide
- the DDR type zeolite powder that becomes a seed crystal can be dispersed in the raw material solution in advance.
- the method for producing a DDR type zeolite of the present invention 1-adamantanamine hydrochloride that is easily dissolved in water is used. Therefore, the method for producing a DDR type zeolite of the present invention can be carried out without using an additive (for example, ethylenediamine) for dissolving 1-adamantanamine in the raw material solution.
- an additive for example, ethylenediamine
- Crystal growth process In the crystal growth step, the DDR type zeolite is crystal-grown using the DDR type zeolite powder as a seed crystal by hydrothermal synthesis in which the raw material solution and the DDR type zeolite powder are in contact with each other.
- the temperature of the raw material solution is usually 100 to 170 ° C., and more preferably 120 to 170 ° C. from the viewpoint of increasing the crystal growth rate.
- the hydrothermal synthesis time is usually 8 to 120 hours, and preferably 12 to 24 hours from the viewpoint of reducing the production cost.
- Embodiments in which the raw material solution does not contain ethylenediamine In the method for producing a DDR type zeolite of the present invention, ethylenediamine is used to dissolve 1-adamantanamine in the raw material solution by containing 1-adamantanamine in the raw material solution in the form of a hydrochloride that is easily dissolved in water. There is no need. Therefore, in the manufacturing method of the DDR type zeolite of the present invention, an embodiment in which ethylenediamine is not included in the raw material solution can be applied.
- This embodiment has less influence on the environment because it does not use ethylenediamine, which is a PRTR system target substance.
- Embodiment in which DDR type zeolite powder is dispersed in a raw material solution can be carried out by dispersing DRR-type zeolite powder to be seed crystals in the raw material solution. In this embodiment, as a result of crystal growth, a powdery DDR type zeolite can be produced.
- the DDR type zeolite in the crystal growth step, can be grown on the support by immersing the support in the raw material solution in which the DDR type zeolite powder is dispersed. In this embodiment, a DDR type zeolite crystal particle adhered to the support can be produced.
- the DDR type zeolite powder may or may not adhere to the support before being immersed in the raw material solution.
- Embodiment using a support to which a DDR type zeolite powder is attached The crystal growth step can also be carried out by immersing the support on which the DDR type zeolite powder is adhered in the raw material solution. In this embodiment, as a result of crystal growth, a DDR type zeolite membrane is formed on the support. In this embodiment, the raw material solution may or may not contain the DDR type zeolite powder.
- Examples 1 and 2 (Raw material solution preparation process) An aqueous 1-adamantanamine hydrochloride solution was prepared by adding 0.81 g of water and 1-adamantanamine hydrochloride (manufactured by Idemitsu Kosan Co., Ltd.) to a 100 ml wide-mouth bottle made of fluororesin and mixing them. At this time, 1-adamantanamine hydrochloride was completely dissolved in water by stirring using a stirrer. To this 1-adamantanamine hydrochloride aqueous solution, a 10% by mass aqueous sodium hydroxide solution was added and mixed with a stirrer.
- silica sol (trade name: Snowtex S, manufactured by Nissan Chemical Co., Ltd., solid content concentration: 30% by mass) was added to this liquid and stirred using a shaker to obtain a raw material solution.
- Table 1 shows the molar ratio of 1-adamantanamine hydrochloride / SiO 2 in the raw material solutions of Examples 1 and 2, water / SiO 2 molar ratio, and the molar ratio of NaOH / 1-adamantanamine hydrochloride in the raw material solutions.
- a DDR type zeolite seed crystal dispersion was prepared by dispersing DDR type zeolite powder composed of particles having a particle size of 5 ⁇ m or less in water at a solid content concentration of 0.34% by mass. 0.8 g of this DDR type zeolite seed crystal dispersion was added to a wide-mouth bottle containing the raw material solution, and lightly stirred. Then, this raw material solution was transferred to a stainless steel pressure resistant vessel with a fluororesin inner cylinder having an internal volume of 100 ml, and hydrothermal synthesis was performed at 160 ° C. for 16 hours. During the hydrothermal synthesis, the liquid was not stirred.
- Example 1 the powdery DDR type zeolite obtained in Example 1 is referred to as the powdery DDR type zeolite of Example 1. The same applies to Example 2.
- DDR type zeolite 2 is an X-ray analysis result of the powdered DDR type zeolite of Example 2.
- the “diffraction peak of DDR type zeolite” in X-ray diffraction refers to No. corresponding to Deca-dodecyl 3R shown in International Center for Diffraction Data (ICDD) and “Powder Diffraction File”. It is a diffraction peak described in 38-651 or 41-571.
- Example 3 (Raw material solution preparation process) An aqueous 1-adamantanamine hydrochloride solution was prepared by adding 61 ml of water and 0.71 g of 1-adamantanamine hydrochloride (manufactured by Daicel Chemical Industries) into a 100 ml wide-mouth bottle made of fluororesin. At this time, 1-adamantanamine hydrochloride was completely dissolved in water by stirring using a stirrer. To this 1-adamantanamine hydrochloride aqueous solution, silica sol (trade name: Snowtex S, manufactured by Nissan Chemical Co., Ltd., solid content concentration: 30% by mass) was added.
- silica sol trade name: Snowtex S, manufactured by Nissan Chemical Co., Ltd., solid content concentration: 30% by mass
- Table 1 shows the molar ratio of 1-adamantanamine hydrochloride / SiO 2 and the molar ratio of water / SiO 2 in the raw material solution of Example 3.
- the graph shown in FIG. 3 is an X-ray analysis result obtained by measuring an alumina support after hydrothermal synthesis of Example 3 using an X-ray diffractometer.
- the diffraction peak of alumina corundum which is a component of the support (FIG. 3, the peak indicated by cross (x)
- the diffraction peak of DDR-type zeolite FIG. 3, the peak indicated by circle ( ⁇ )
- halo was detected.
- Example 3 the DDR type zeolite crystals were formed on the alumina support after the hydrothermal synthesis of Example 3 on the alumina support.
- the DDR type zeolite could be crystal-grown even if the raw material solution did not contain sodium hydroxide (NaOH).
- the present invention can be used as a method for producing a DDR type zeolite that can be used for a catalyst, a catalyst carrier, an adsorbent, a gas separation membrane, a pervaporation membrane, and the like.
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Abstract
Description
本発明のDDR型ゼオライトの製造方法は、1-アダマンタンアミン塩酸塩とシリカ(SiO2)と水とを含む原料溶液を調製する原料溶液調製工程と、原料溶液とDDR型ゼオライト粉末とが接触している状態で加熱処理することにより、DDR型ゼオライト粉末を種結晶としてDDR型ゼオライトを結晶成長させる結晶成長工程とを有する。なお、上記の原料溶液は、1-アダマンタンアミン塩酸塩、SiO2、及び水を含み、また1-アダマンタンアミン塩酸塩/SiO2のモル比が0.002~0.5かつ水/SiO2のモル比が10~500である。
原料溶液調製工程では、1-アダマンタンアミン塩酸塩とシリカ(SiO2)と水とを含む原料溶液を調製する。
結晶成長工程では、原料溶液とDDR型ゼオライト粉末とが接触している状態で加熱処理を行う水熱合成によりDDR型ゼオライト粉末を種結晶としてDDR型ゼオライトを結晶成長させる。
本発明のDDR型ゼオライトの製造方法では、1-アダマンタンアミンを水に溶解しやすい塩酸塩の形態で原料溶液に含有させることにより、1-アダマンタンアミンを原料溶液に溶解させるためにエチレンジアミンを使用する必要がなくなる。よって、本発明のDDR型ゼオライトの製造方法では、エチレンジアミンを原料溶液に含まない実施形態を適用することができる。
結晶成長工程は、原料溶液に種結晶となるDRR型ゼオライト粉末を分散させて実施することができる。この実施形態では、結晶成長の結果、粉末状のDDR型ゼオライトを作ることができる。
結晶成長工程は、DDR型ゼオライト粉末を付着せしめた支持体を原料溶液に浸漬させて実施することもできる。この実施形態では、結晶成長の結果、DDR型ゼオライト膜が支持体上に形成される。また、この実施形態では、原料溶液にDDR型ゼオライト粉末が含まれていても、含まれていなくてもよい。
(原料溶液調製工程)
フッ素樹脂製の100ml広口瓶に、水、1-アダマンタンアミン塩酸塩(出光興産社製)0.81gを入れて混合することにより、1-アダマンタンアミン塩酸塩水溶液を調製した。このとき1-アダマンタンアミン塩酸塩は、スターラーを使用して撹拌することにより、水に完溶させた。この1-アダマンタンアミン塩酸塩水溶液に10質量%水酸化ナトリウム水溶液を添加し、スターラーで混ぜた。続いて、この液にシリカゾル(商品名:スノーテックスS、日産化学社製、固形分濃度30質量%)を添加して、シェイカーを使用して撹拌し、原料溶液を得た。実施例1、2の原料溶液における1-アダマンタンアミン塩酸塩/SiO2のモル比、水/SiO2モル比、および原料溶液におけるNaOH/1-アダマンタンアミン塩酸塩のモル比を表1に示す。
粒径5μm以下の粒子から構成されるDDR型ゼオライト粉末を固形分濃度0.34質量%にて水に分散させて、DDR型ゼオライト種結晶分散液を調製した。このDDR型ゼオライト種結晶分散液0.8gを、原料溶液の入った広口瓶に添加し、軽く撹拌した。その後、この原料溶液を、内容積100mlのフッ素樹脂製内筒付きステンレス製耐圧容器に移し、160℃で16時間、水熱合成を行った。なお、この水熱合成の間、液の攪拌をしなかった。水熱合成後、フッ素樹脂製内筒底面には白色の合成粉末が堆積していた。この合成粉末をフッ素樹脂製内筒底面から採取した。採取した合成粉末を、水洗し、次いで80℃で乾燥させた。以上により、粉末状のDDR型ゼオライトを得た。以下、実施例1により得られた粉末状のDDR型ゼオライトを、実施例1の粉末状のDDR型ゼオライトと称する。なお、実施例2についても同様に称する。
実施例1、2の粉末状のDDR型ゼオライトについて、X線回折により結晶相の評価を行った。結果、DDR型ゼオライトの回折ピークのみが明瞭に検出され、2θ=20~30゜(CuKα)の領域にかけてハローは認められなかった。よって、実施例1、2では、DDR型ゼオライトの完全結晶が得られたことを確認した。図1に示すグラフは、実施例1の粉末状のDDR型ゼオライトをX線回折装置(装置名:MiniFlex、理学電機社製)を使用して測定したX線解析結果である。同様に、図2に示すグラフは、実施例2の粉末状のDDR型ゼオライトについてのX線解析結果である。なお、X線回折における「DDR型ゼオライトの回折ピーク」とは、International Center for Diffraction Data(ICDD)、「Powder Diffraction File」に示されるDeca-dodecasil 3Rに対応するNo.38-651、又は41-571に記載される回折ピークである。
(原料溶液調製工程)
フッ素樹脂製の100ml広口瓶に、水61ml、1-アダマンタンアミン塩酸塩(ダイセル化学工業社製)0.71gを入れて混合することにより、1-アダマンタンアミン塩酸塩水溶液を調製した。このとき1-アダマンタンアミン塩酸塩は、スターラーを使用して撹拌することにより、水に完溶させた。この1-アダマンタンアミン塩酸塩水溶液にシリカゾル(商品名:スノーテックスS、日産化学社製、固形分濃度30質量%)を添加した。続いて、この液をシェイカーを使用して撹拌し、原料溶液を得た。実施例3の原料溶液における1-アダマンタンアミン塩酸塩/SiO2のモル比、水/SiO2のモル比を表1に示す。
原料溶液の入った広口瓶に、実施例1、2と同じDDR型ゼオライト種結晶分散液を0.3g添加し、軽く撹拌した。その後、この原料溶液を、内容積100mlのフッ素樹脂製内筒付きステンレス製耐圧容器に移した。この原料溶液中にアルミナ製多孔質支持体を浸漬し、135℃で120時間、水熱合成を行った。なお、この水熱合成の間、液の攪拌をしなかった。水熱合成後、フッ素樹脂製内筒からアルミナ製支持体を取り出した。取り出したアルミナ製支持体を、水洗し、次いで80℃で乾燥した。以上の実施例3により得られたアルミナ製支持体を、これ以降では実施例3の水熱合成後アルミナ製支持体と称する。
実施例3の水熱合成後アルミナ製支持体について、走査型電子顕微鏡(以下SEM)を使用して微構造観察を行った。結果、実施例3の水熱合成後アルミナ製支持体上に多数の結晶粒子が付着していることを確認した。
実施例3の水熱合成後アルミナ製支持体について、X線回折により結晶相の評価を行った。図3に示すグラフは、実施例3の水熱合成後アルミナ製支持体をX線回折装置を使用して測定したX線解析結果である。結果、支持体の成分であるアルミナ(コランダム)の回折ピーク(図3、クロス(×)で示すピーク)、DDR型ゼオライトの回折ピーク(図3、丸印(○)で示すピーク)、およびハローが検出された。よって、実施例3の水熱合成後アルミナ製支持体には、アルミナ製支持体上にDDR型ゼオライトの結晶が形成されていることを確認した。また、実施例3では、原料溶液中に水酸化ナトリウム(NaOH)を含まなくても、DDR型ゼオライトを結晶成長させることができた。
Claims (7)
- 1-アダマンタンアミン塩酸塩とシリカ(SiO2)と水とを、モル比において1-アダマンタンアミン塩酸塩/SiO2を0.002~0.5かつ水/SiO2を10~500にて含む原料溶液を調製する原料溶液調製工程と、
前記原料溶液とDDR型ゼオライト粉末とが接触している状態で加熱処理することにより、前記DDR型ゼオライト粉末を種結晶としてDDR型ゼオライトを結晶成長させる結晶成長工程と、を有するDDR型ゼオライトの製造方法。 - 前記原料溶液は、エチレンジアミンを含まない請求項1に記載のDDR型ゼオライトの製造方法。
- 前記原料溶液調製工程は、シリカゾルを用いて前記シリカ(SiO2)を含有する前記原料溶液を調製する工程と、前記原料溶液のpHを調整するpH調整工程とを含む請求項1又は2に記載のDDR型ゼオライトの製造方法。
- 前記原料溶液調製工程は、シリカゾルを用いて前記シリカ(SiO2)を含有させて、水酸化ナトリウム(NaOH)をNaOH/1-アダマンタンアミン塩酸塩のモル比で1.0以下にて含む前記原料溶液を調製する請求項1~3のいずれか一項に記載のDDR型ゼオライトの製造方法。
- 前記結晶成長工程は、前記原料溶液に前記DDR型ゼオライト粉末を分散させることにより、前記原料溶液と前記DDR型ゼオライト粉末とを接触させる請求項1~4のいずれか一項に記載のDDR型ゼオライトの製造方法。
- 前記結晶成長工程は、前記DDR型ゼオライト粉末を分散させた前記原料溶液に支持体を浸漬させることにより、前記支持体上でDDR型ゼオライトを結晶成長させる請求項1~5のいずれか一項に記載のDDR型ゼオライトの製造方法。
- 前記結晶成長工程は、前記DDR型ゼオライト粉末を付着せしめた支持体を前記原料溶液に浸漬させることにより、前記原料溶液と前記DDR型ゼオライト粉末とを接触させる請求項1~4のいずれか一項に記載のDDR型ゼオライトの製造方法。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201080053919.7A CN102639441B (zh) | 2009-12-10 | 2010-11-05 | Ddr型沸石的制造方法 |
| JP2011545152A JP5695576B2 (ja) | 2009-12-10 | 2010-11-05 | Ddr型ゼオライトの製造方法 |
| EP10835801.1A EP2511234B1 (en) | 2009-12-10 | 2010-11-05 | Process for production of ddr-type zeolite |
| US13/457,838 US8545802B2 (en) | 2009-12-10 | 2012-04-27 | Process for production of DDR-type zeolite |
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| JP2009-280294 | 2009-12-10 | ||
| JP2009280294 | 2009-12-10 |
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|---|---|---|---|
| US13/457,838 Continuation US8545802B2 (en) | 2009-12-10 | 2012-04-27 | Process for production of DDR-type zeolite |
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| WO2011070879A1 true WO2011070879A1 (ja) | 2011-06-16 |
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| US (1) | US8545802B2 (ja) |
| EP (1) | EP2511234B1 (ja) |
| JP (1) | JP5695576B2 (ja) |
| CN (1) | CN102639441B (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2014157323A1 (ja) * | 2013-03-29 | 2014-10-02 | 日本碍子株式会社 | Ddr型ゼオライト結晶の製造方法及びddr型ゼオライト膜の製造方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106955600B (zh) * | 2017-04-08 | 2018-09-18 | 谢丽萍 | 一种片式分子筛膜的制备方法 |
| WO2019187640A1 (ja) * | 2018-03-30 | 2019-10-03 | 日本碍子株式会社 | ゼオライト膜複合体、ゼオライト膜複合体の製造方法、および、分離方法 |
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| JP2003159518A (ja) * | 2001-09-17 | 2003-06-03 | Ngk Insulators Ltd | Ddr型ゼオライト膜の製造方法 |
| JP2004083375A (ja) | 2002-08-29 | 2004-03-18 | Ngk Insulators Ltd | Ddr型ゼオライトの製造方法 |
| JP2005067991A (ja) | 2003-08-28 | 2005-03-17 | Ngk Insulators Ltd | Ddr型ゼオライトの製造方法 |
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| MXPA04002508A (es) * | 2001-09-17 | 2004-05-31 | Ngk Insulators Ltd | Metodo para preparar membrana de zeolita tipo ddr, membrana de zeolita tipo ddr y membrana de zeolita tipo ddr compuesta y metodo para preparar las mismas. |
| JP4204273B2 (ja) * | 2002-08-09 | 2009-01-07 | 日本碍子株式会社 | Ddr型ゼオライト膜複合体及びその製造方法 |
| EP1995215B1 (en) * | 2006-03-14 | 2014-10-22 | NGK Insulators, Ltd. | Process for producing ddr type zeolite membrane |
| WO2009113715A1 (ja) * | 2008-03-12 | 2009-09-17 | 日本碍子株式会社 | Ddr型ゼオライト膜配設体の製造方法 |
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2010
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- 2010-11-05 JP JP2011545152A patent/JP5695576B2/ja active Active
- 2010-11-05 CN CN201080053919.7A patent/CN102639441B/zh active Active
- 2010-11-05 EP EP10835801.1A patent/EP2511234B1/en active Active
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2012
- 2012-04-27 US US13/457,838 patent/US8545802B2/en active Active
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| JPS6340718A (ja) * | 1986-07-31 | 1988-02-22 | アンスティテュー・フランセ・デュ・ペトロール | ゼオライトNu−3の製造方法 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014157323A1 (ja) * | 2013-03-29 | 2014-10-02 | 日本碍子株式会社 | Ddr型ゼオライト結晶の製造方法及びddr型ゼオライト膜の製造方法 |
| JPWO2014157323A1 (ja) * | 2013-03-29 | 2017-02-16 | 日本碍子株式会社 | Ddr型ゼオライト結晶の製造方法及びddr型ゼオライト膜の製造方法 |
| US10093547B2 (en) | 2013-03-29 | 2018-10-09 | Ngk Insulators, Ltd. | Method for producing DDR type zeolite crystals and method for producing DDR type zeolite membrane |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2511234A4 (en) | 2015-08-05 |
| EP2511234B1 (en) | 2017-12-20 |
| JPWO2011070879A1 (ja) | 2013-04-22 |
| EP2511234A1 (en) | 2012-10-17 |
| US20120213696A1 (en) | 2012-08-23 |
| US8545802B2 (en) | 2013-10-01 |
| JP5695576B2 (ja) | 2015-04-08 |
| CN102639441B (zh) | 2014-10-22 |
| CN102639441A (zh) | 2012-08-15 |
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