JP5395322B2 - 水素分離用エレメント - Google Patents
水素分離用エレメント Download PDFInfo
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- JP5395322B2 JP5395322B2 JP2006244497A JP2006244497A JP5395322B2 JP 5395322 B2 JP5395322 B2 JP 5395322B2 JP 2006244497 A JP2006244497 A JP 2006244497A JP 2006244497 A JP2006244497 A JP 2006244497A JP 5395322 B2 JP5395322 B2 JP 5395322B2
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- 239000001257 hydrogen Substances 0.000 title claims description 166
- 229910052739 hydrogen Inorganic materials 0.000 title claims description 166
- 238000000926 separation method Methods 0.000 title claims description 65
- 125000004435 hydrogen atom Chemical class [H]* 0.000 title description 3
- 239000012528 membrane Substances 0.000 claims description 146
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 127
- 239000000463 material Substances 0.000 claims description 60
- 150000002431 hydrogen Chemical class 0.000 claims description 54
- 239000002184 metal Substances 0.000 claims description 44
- 229910052751 metal Inorganic materials 0.000 claims description 43
- 239000007789 gas Substances 0.000 claims description 42
- 239000002131 composite material Substances 0.000 claims description 36
- 239000003054 catalyst Substances 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 26
- 238000002844 melting Methods 0.000 claims description 14
- 230000008018 melting Effects 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 12
- 239000003870 refractory metal Substances 0.000 claims description 11
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 6
- 239000012466 permeate Substances 0.000 claims description 5
- 238000004080 punching Methods 0.000 claims description 5
- 229910052750 molybdenum Inorganic materials 0.000 claims description 4
- 239000011733 molybdenum Substances 0.000 claims description 4
- 239000000843 powder Substances 0.000 description 21
- 239000010408 film Substances 0.000 description 19
- 239000011295 pitch Substances 0.000 description 15
- 238000007789 sealing Methods 0.000 description 14
- 238000009792 diffusion process Methods 0.000 description 13
- 238000005219 brazing Methods 0.000 description 10
- 239000002994 raw material Substances 0.000 description 10
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 9
- 238000002407 reforming Methods 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 7
- 239000011888 foil Substances 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 230000007547 defect Effects 0.000 description 6
- 229910052709 silver Inorganic materials 0.000 description 6
- 239000010409 thin film Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 4
- 239000007769 metal material Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical group C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 229910001252 Pd alloy Inorganic materials 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000007772 electroless plating Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910001316 Ag alloy Inorganic materials 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229910002668 Pd-Cu Inorganic materials 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 229910052703 rhodium Inorganic materials 0.000 description 2
- 229910052707 ruthenium Inorganic materials 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- 229910001182 Mo alloy Inorganic materials 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000011978 dissolution method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005323 electroforming Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000007380 fibre production Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910021472 group 8 element Inorganic materials 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000007733 ion plating Methods 0.000 description 1
- 239000002648 laminated material Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000003949 liquefied natural gas Substances 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N nickel(II) oxide Inorganic materials [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
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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
-
- 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
-
- 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
-
- 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
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/06—Tubular membrane modules
- B01D63/067—Tubular membrane modules with pleated membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/10—Spiral-wound membrane modules
- B01D63/12—Spiral-wound membrane modules comprising multiple spiral-wound assemblies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/14—Pleat-type membrane modules
-
- 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
-
- 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
-
- 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
-
- 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
- C01B3/56—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by contacting with solids; Regeneration of used solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2256/00—Main component in the product gas stream after treatment
- B01D2256/16—Hydrogen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/42—Catalysts within the flow path
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- 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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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
- C01B2203/0405—Purification by membrane separation
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Hydrogen, Water And Hydrids (AREA)
Description
図1は、本発明に係わる複合膜材料1の一部を拡大して示す断面図である。本形態では、水素ガスを選択的に透過する水素透過膜2と、この水素透過膜2の内外面に各々配置した保形メッシュ3とを具える。この保形メッシュ3は、高融点金属の線材wで織られている。又この水素透過膜2と保形メッシュ3は非結合状態で積層される。かつ両者は合わせて、所定形状にヒダ折りすることにより一定方向(本形態では長さ方向)にのびる山部5、5を備えた波付け形状に形成されている。
特に前記圧延により成形した薄膜材料は、該加工によって組織的な安定とともに弾性や靭性等の機械的特性を向上し、また前記ピンホールなどの欠陥発生を抑制できる。欠陥のない状態を例えば図2に示す。図2は、圧延加工と熱処理を繰り返し行って厚さ20μmにし、さらに1050℃で熱処理された水素透過膜の表面の金属組織を1000倍に拡大した図である。この図からわかるように、結晶粒度はその等価直径が6〜20μm程度であって、極めて安定した組織状態を有している。なお等価直径とは、断面の面積から、結晶粒が円形と仮定して求める値をいう。
さらに各ヒダ4の高さが各々異なるなど、不均一な形状の場合の平均高さについては、例えば全ヒダ数の1/4以上のヒダを任意に抽出し、より好ましくはその全ヒダについて、各々測定した高さの平均値で示される。
Ni当量=Ni+0.65Cr+0.98Mo+1.05Mn+0.35Si+12.6C
厚さ20μmに冷間圧延され、1050℃で熱処理された幅100mm×長さ1mのPd−25%Ag金属箔を水素透過膜をえた。その両面に、線径0.2mmのモリブデン細線による保形メッシュ(#100)を各々積層し、かつ積層体をヒダ成形機にセットした。そしてこの3枚の積層品に、山高さ20mm、中心ピッチ6.5mmの連続ヒダを形成し、ヒダ付けされた複合膜材料を作成した。なお、前記Pd−Ag合金は真空溶解によって純度99.91%、圧延と熱処理を繰り返し行ないながら加工した合金板を原材料としている。
(比較例)
両者の分離装置について、各々加熱温度600℃,差圧0.1MPaの条件で水素透過を1H行う。その後、N2ガスに置換して冷却する処理を合計100回繰り返し、温度の昇降による水素透過膜の亀裂発生を調べた。その結果、単位エレメント当たりの水素透過量は各々11L/minで純度99.99%以上の特性が得られ。また水素透過膜への亀裂有無についても、前記N2ガスのリークが全くなかった。本実施例品については亀裂などの欠陥は発生しないことが確認された。これは、該水素透過膜が前記保形メッシュ間に非結合状態で配置され、比較的フリーな状態で変位できることによるものと推測された。
更に試験2の熱サイクル試験に伴う拡散有無を確認する為、各装置エレメントを分解して水素透過膜を切除した試料について厚さ方向における各金属元素のオージェ分析を行った。その結果、本実施例品については前記保形メッシュで隔離され、しかも該メッシュは高融点金属であることから、水素透過膜への拡散が防止でき、当初の組成比を維持していることが確認された。
2 水素透過膜
3 保形メッシュ
10 水素分離用エレメント
11 多孔性内筒
12 多孔性外筒
15 端金具
15A 継手金具
15B 封止金具
Claims (7)
- 水素分離用の複合膜材料を用いる水素分離用のエレメントであって、
多孔性内筒と、該多孔性内筒に外嵌された前記水素分離用の複合膜材料と、該複合膜材料を外側で被包する多孔性外筒とを具え、
前記多孔性内筒と、前記複合膜材料と、前記多孔性外筒とは同心長さ方向に配されており、
前記複合膜材料は、水素を選択的に透過する水素透過膜と、該水素透過膜の少なくともいずれか一面側に配置され該水素透過膜を保形する保形メッシュを備え、
前記水素透過膜は、単体では形状維持困難な厚さ30μm以下に圧延成形され、
前記保形メッシュは、前記水素透過膜より高い融点を有する高融点金属から選択された金属線材を用いてなり、
前記水素透過膜と保形メッシュとを組合せ、かつヒダを連続して設けるヒダ折り加工を施こすとともに、
このヒダ折り加工によって、該水素透過膜のヒダの高さの中央を通る平均高さにおける基準面の面積Soと、基準面内にある水素透過膜の表面積Sとの比S/Soを3〜10倍に成形したことを特徴とする水素分離用エレメント。 - 前記多孔性外筒及び/又は前記多孔性内筒は、パンチングプレート又は金網のいずれかで構成されたことを特徴とする請求項1に記載の水素分離用エレメント。
- 前記水素分離用エレメントは、長さ方向の少なくとも一方の端面に、接続用の継ぎ金具が設けられていることを特徴とする請求項1又は2に記載の水素分離用エレメント。
- 前記水素分離膜は、水素を透過する前の混合ガスが流入する一次側の前記多孔性外筒又は多孔性内筒と、
前記保形メッシュとの間の空間内に、前記保形メッシュを介することにより触媒を水素分離膜と接触させることなく該触媒を配置したことを特徴とする請求項1乃至3のいずれかに記載の水素分離用エレメント。 - 前記保形メッシュの前記高融点金属は、融点が2000℃以上の金属線材である請求項1に記載の水素分離用エレメント。
- 前記保形メッシュの前記高融点金属は、線径0.3mm以下のモリブデンの金属線材で形成されるものであることを特徴とする請求項1に記載の水素分離用エレメント。
- 前記ヒダは、その横断面での山部高さHが5mm〜30mm、かつ隣合うヒダの該ヒダの高さの中央を結ぶ直線長さであるピッチPを、該山部高さの0.8倍以下としたことを特徴とする請求項1に記載の水素分離用エレメント。
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GB0806301A GB2445492B (en) | 2005-09-30 | 2006-09-15 | Composite membrane material for hydrogen separation and element for hydrogen separation using the same |
US11/992,658 US8226751B2 (en) | 2005-09-30 | 2006-09-15 | Composite membrane material for hydrogen separation and element for hydrogen separation using the same |
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JP2010279885A (ja) * | 2009-06-03 | 2010-12-16 | Asahi Kasei Chemicals Corp | 気体分離装置 |
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