JP6126114B2 - 漏れ安定性ガス分離膜システムを作製または再調整する方法 - Google Patents
漏れ安定性ガス分離膜システムを作製または再調整する方法 Download PDFInfo
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Images
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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
- B01D67/0069—Inorganic membrane manufacture by deposition from the liquid phase, e.g. electrochemical deposition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0001—Making filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
- B01D53/228—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion characterised by specific membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/10—Testing of membranes or membrane apparatus; Detecting or repairing leaks
- B01D65/106—Repairing membrane apparatus or modules
- B01D65/108—Repairing membranes
-
- 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
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0083—Thermal after-treatment
-
- 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
- B01D69/106—Membranes in the pores of a support, e.g. polymerized in the pores or voids
-
- 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
- B01D69/1213—Laminated layers
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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
- B01D71/022—Metals
- B01D71/0223—Group 8, 9 or 10 metals
- B01D71/02231—Palladium
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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
- 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 the membrane
- C01B3/505—Membranes containing palladium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D2323/42—Details of membrane preparation apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
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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
- B01D2323/50—Control of the membrane preparation process
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Electrochemistry (AREA)
- Combustion & Propulsion (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Chemically Coating (AREA)
- Hydrogen, Water And Hydrids (AREA)
Description
本実施例は、循環メッキ浴を使用して得られる漏れ速度の実質的な低下を実証する。
本実施例は、請求された工程が膜を効果的に封孔する能力を実証する。
本実施例において、実施例2で使用した支持体を、従来の非循環法によってメッキした。
本実施例4は、ガス分離膜の作製に使用する本発明の方法および手段の実験装置および複数の実施形態について記載する。
Claims (6)
- ガス分離膜を作製する方法であって、
(a)一定濃度のガス選択性金属イオンを有する一定量の第1のメッキ溶液を含有するメッキ槽を提供するステップ;
(b)第1の表面および第2の表面を有し、各前記表面は互いに対向しそれにより支持体厚を規定する多孔性支持体を前記メッキ溶液中に配置し、それにより、前記ガス選択性金属イオンの前記メッキ溶液から前記多孔性支持体の前記第1の表面上への無電解付着を促進させるように前記メッキ槽内のメッキ条件を維持しながら、第1の一定時間前記第1の表面を前記メッキ溶液に接触させるステップ;ならびに
(c)前記メッキ槽での前記メッキ溶液の第1の滞留時間が0.1分から30分の範囲となる第1の循環速度で前記メッキ槽に前記メッキ溶液を循環させるステップ
を含み、
それにより前記ガス選択性金属の膜層が前記第1の表面上に付着して支持膜が提供され、さらに
(d)前記一定時間の後に、前記メッキ溶液から前記支持膜を除去し、および前記支持膜をアニーリングして、アニーリング済み膜層を有するアニーリング済み支持膜を提供するステップ;
(e)前記アニーリング済み支持膜を、前記メッキ槽または第2のメッキ槽内に含有され、第2のガス選択性金属イオン濃度を有する第2のメッキ溶液中に配置して、それにより、前記メッキ槽または前記第2のメッキ槽内のメッキ条件を維持しながら、第2の一定時間、前記アニーリング済み膜層を前記第2のメッキ溶液に接触させるステップ;
(f)前記アニーリング済み膜層の密度を測定して液体に対する層膜の密度を判定し、前記アニーリング済み膜層が液密であると判定された場合、前記アニーリング済み膜層が前記第2のメッキ溶液と接触する間に、高圧と低圧の圧力差を前記支持体厚に渡って印加し、ここで前記高圧は前記第1の表面の側面に印加され、かつ、前記低圧は前記第2の表面の側面に印加されるステップ;ならびに
(g)前記メッキ槽または第2のメッキ槽での前記メッキ溶液の滞留時間が0.1分から30分の範囲となる第2の循環速度で、前記第2のメッキ溶液を、前記メッキ槽または第2のメッキ槽に循環させるステップ
をさらに含み、
それにより前記第2のガス選択性金属の第2の膜層が前記アニーリング済み膜層に付着して第2の支持膜が提供される、方法。 - 請求項1に記載の方法であって、
得られた各支持膜および得られた各アニーリング済み膜層を用いてステップ(d)、(e)、(f)および(g)を、前記得られたアニーリング済み膜層がガス密となるまで反復するステップ
をさらに含む、方法。 - 請求項1に記載の方法であって、
圧力差を印加する前記ステップが、少なくとも一部において、真空を前記多孔性支持体の前記第2の表面に印加することによって達成される、方法。 - 請求項1に記載の方法であって、
圧力差を印加する前記ステップが、少なくとも一部において、前記多孔性支持体の前記第2の表面に印加される圧力と比べて、前記多孔性支持体の前記第1の表面に印加される圧力を増加することによって達成される、方法。 - 請求項1に記載の方法であって、
前記多孔性支持体の前記第1の表面上にガス選択性金属の既存層がある、方法。 - 請求項1に記載の方法であって、
ガス選択性金属が、パラジウムおよび金から成る群より選択される、方法。
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KR101777361B1 (ko) * | 2015-01-29 | 2017-09-13 | 한국에너지기술연구원 | 튜브형 또는 원통형 분리막의 무전해 도금 방법 및 이를 위한 도금장치 |
WO2016149306A1 (en) * | 2015-03-18 | 2016-09-22 | Shell Oil Company | Method of making a gold on palladium gas separation membrane |
EP3368187A1 (en) * | 2015-10-30 | 2018-09-05 | Corning Incorporated | Porous ceramic filters and methods for making the same |
US10329926B2 (en) * | 2016-05-09 | 2019-06-25 | United Technologies Corporation | Molybdenum-silicon-boron with noble metal barrier layer |
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US10112149B2 (en) * | 2016-06-30 | 2018-10-30 | L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Metallopolyimide precursor fibers for aging-resistant carbon molecular sieve hollow fiber membranes with enhanced selectivity |
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US7744675B2 (en) | 2006-11-08 | 2010-06-29 | Shell Oil Company | Gas separation membrane comprising a substrate with a layer of coated inorganic oxide particles and an overlayer of a gas-selective material, and its manufacture and use |
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