JP4728308B2 - 水素分離膜および水素分離膜の製造方法 - Google Patents
水素分離膜および水素分離膜の製造方法 Download PDFInfo
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- JP4728308B2 JP4728308B2 JP2007284764A JP2007284764A JP4728308B2 JP 4728308 B2 JP4728308 B2 JP 4728308B2 JP 2007284764 A JP2007284764 A JP 2007284764A JP 2007284764 A JP2007284764 A JP 2007284764A JP 4728308 B2 JP4728308 B2 JP 4728308B2
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- separation membrane
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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
- B01D71/024—Oxides
- B01D71/027—Silicium oxide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0039—Inorganic membrane manufacture
- B01D67/0072—Inorganic membrane manufacture by deposition from the gaseous phase, e.g. sputtering, CVD, PVD
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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
- B01D69/10—Supported membranes; Membrane supports
- B01D69/108—Inorganic support 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
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen; Reversible storage of hydrogen
- C01B3/50—Separation of hydrogen or hydrogen-containing gases from gaseous mixtures, e.g. purification
- C01B3/501—Separation of hydrogen or hydrogen-containing gases from gaseous mixtures, e.g. purification by diffusion
- C01B3/503—Separation of hydrogen or hydrogen-containing gases from gaseous mixtures, e.g. purification by diffusion characterised by membranes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/08—Specific temperatures applied
- B01D2323/081—Heating
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/22—Thermal or heat-resistance properties
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- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
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- Combustion & Propulsion (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Chemical Vapour Deposition (AREA)
Description
前記テトラアリールオキシシラン類は、以下に示す一般式(II)のもの、
である水素分離膜である。
シリカ源として、フェニルトリメトキシシラン(PTMS)、ジメトキシジフェニルシラン(DMDPS)、テトラメトキシシラン(TMOS)を反応活性種(Precursor)として選択し、それぞれ図1に示す装置100を用いて、以下の条件にて水素分離膜を製造した。
多孔質α−アルミナキャピラリ(全長350mm、有効部分50mm、細孔径100nm、NOK社製)にγ―アルミナ層をゾルゲル法によって2回コーティングし、細孔径5nmから6nmとしたものを多孔質基材として用いた。多孔質基材の外側にシリカ源蒸気と酸素とキャリアガスの窒素を流す際のシリカ源蒸気と酸素によるCVDの温度は600℃であり、シリカ源気化器温度は、TMOS,PTMS,DMDPSにてそれぞれ45℃,180℃,200℃であった。N2ガス流速は0.2リットル/min、O2ガス流速は0.2リットル/minとし、多孔質基材の外側の圧力が100KPaに対して、多孔質基材の内側の圧力を100Paから200Paに保ち、CVD反応時間を60分間とした。以下、上記条件により製造されたTMOS,PTMS,DMDPSを用いて製造された水素分離膜に関し、各種評価を行った。
上記条件1と同様に、多孔質α−アルミナキャピラリ(全長350mm、有効部分50mm、細孔径100nm、NOK社製)にγ―アルミナ層をゾルゲル法によって2回コーティングし、細孔径5nmから6nmとしたものを多孔質基材として用いた。多孔質基材の片側にシリカ源蒸気と酸素を流す際のシリカ源蒸気と酸素によるCVDの温度は500℃にした以外は、上記条件1に準じて水分離膜を製造した。条件2により得られたPTMS,DMDPSを用いて製造された水素分離膜のH2透過速度は、いずれも1.0×10-6モル/m2・秒・Pa以上であった。
Claims (8)
- 酸素と不活性ガスとからなる混合ガスと気化させたシリカ源とを用い、化学蒸着法によって多孔質基材の細孔を一部閉塞するように又は狭めるようにシリカが製膜されている水素分離膜であって、
前記シリカ源はジメトキシジフェニルシランであり、
H2透過速度が1.0×10−6モル/m2・秒・Pa以上であることを特徴とする水素分離膜。 - 請求項1に記載の水素分離膜において、
前記多孔質基材の片側に酸素と不活性ガスとからなる混合ガスと気化させた前記シリカ源とを流して製膜されていることを特徴とする水素分離膜。 - 請求項1または請求項2に記載の水素分離膜において、
前記多孔質基材は、1〜20nmの径の孔を有する多孔質セラミックであることを特徴とする水素分離膜。 - 請求項1から請求項3のいずれか1項に記載の水素分離膜において、
前記多孔質基材は、多層構造を有し、最上層は1〜20nmの径の孔を有し、最下層は100nm以上の径の孔を有することを特徴とする水素分離膜。 - 水素分離膜の製造方法であって、
酸素と不活性ガスとからなる混合ガスと、気化させたシリカ源としてのジメトキシジフェニルシランとを、多孔質基材の片側に流し、化学蒸着法によって多孔質基材の細孔を一部閉塞するように又は狭めるようにシリカ薄膜を製膜させることにより、H 2 透過速度が1.0×10 −6 モル/m 2 ・秒・Pa以上である水素分離膜を前記多孔質基材の細孔内に形成することを特徴とする製造方法。 - 請求項5に記載の水素分離膜の製造方法において、
化学蒸着法による製膜温度は、400℃以上700℃以下であることを特徴とする製造方法。 - 請求項5または請求項6に記載の水素分離膜の製造方法において、
化学蒸着法による製膜時に、前記多孔質基材のもう一方側を減圧する化学蒸着法を、特徴とする製造方法。 - 請求項7に記載の水素分離膜の製造方法において、
前記減圧時の前記多孔質基材のもう一方側の圧力は、シリカ源側圧力が100KPaから1MPaに対し、その100分の1以下であることを特徴とする製造方法。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007284764A JP4728308B2 (ja) | 2007-11-01 | 2007-11-01 | 水素分離膜および水素分離膜の製造方法 |
| PCT/JP2008/069802 WO2009057717A1 (ja) | 2007-11-01 | 2008-10-30 | 水素分離膜および水素分離膜の孔径制御方法 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007284764A JP4728308B2 (ja) | 2007-11-01 | 2007-11-01 | 水素分離膜および水素分離膜の製造方法 |
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| Publication Number | Publication Date |
|---|---|
| JP2009106912A JP2009106912A (ja) | 2009-05-21 |
| JP2009106912A5 JP2009106912A5 (ja) | 2011-01-06 |
| JP4728308B2 true JP4728308B2 (ja) | 2011-07-20 |
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| WO (1) | WO2009057717A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101133099B1 (ko) | 2011-01-24 | 2012-04-04 | 한국에너지기술연구원 | 수소 분리막의 제조방법 |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5425839B2 (ja) * | 2011-06-03 | 2014-02-26 | 株式会社ノリタケカンパニーリミテド | ガス分離材の製造方法 |
| EP3057678A4 (en) * | 2013-10-14 | 2017-07-12 | Melior Innovations Inc. | Gas-selective polymer derived ceramic membranes, gas separation systems, and methods |
| CN105466967B (zh) * | 2014-09-23 | 2018-08-31 | 张洪 | 量热仪及其氧弹 |
| JP6702884B2 (ja) * | 2014-12-26 | 2020-06-03 | 日本碍子株式会社 | ガス分離方法 |
| JP6636948B2 (ja) | 2014-12-26 | 2020-01-29 | 日本碍子株式会社 | ガス分離方法 |
| JP6732474B2 (ja) * | 2016-02-25 | 2020-07-29 | 公益財団法人地球環境産業技術研究機構 | 水素ガス分離材および膜反応器の製造方法、並びに、水素ガス分離材を用いた水素含有ガスの製造方法 |
| EP4681802A1 (en) * | 2023-03-31 | 2026-01-21 | Kogakuin University | Separation method and separation device |
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| JP3373057B2 (ja) * | 1994-07-29 | 2003-02-04 | エヌオーケー株式会社 | 水素分離膜の製造法 |
| JP2005254161A (ja) * | 2004-03-12 | 2005-09-22 | Shinichi Nakao | 水素分離膜およびその製造方法 |
| JP2006239663A (ja) * | 2005-03-07 | 2006-09-14 | Noritake Co Ltd | 水素ガス分離膜の製造方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101133099B1 (ko) | 2011-01-24 | 2012-04-04 | 한국에너지기술연구원 | 수소 분리막의 제조방법 |
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| JP2009106912A (ja) | 2009-05-21 |
| WO2009057717A1 (ja) | 2009-05-07 |
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