Composite gas separation modules having high Tamman temperature intermediate layers
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01D-053/22
B01D-067/00
B01D-071/02
B01D-071/00
C01B-003/50
C01B-003/00
출원번호
US-0836088
(2004-04-30)
등록번호
US-7255726
(2007-08-14)
발명자
/ 주소
Ma,Yi Hua
Mardilovich,Ivan P.
Engwall,Erik E.
출원인 / 주소
Worcester Polytechnic Institute
대리인 / 주소
Hamilton, Brook, Smith & Reynolds, PC
인용정보
피인용 횟수 :
6인용 특허 :
40
초록▼
A composite gas separation module includes a porous metal substrate; an intermediate layer that includes a powder having a Tamman temperature higher than the Tamman temperature of the porous metal substrate and wherein the intermediate layer overlies the porous metal substrate; and a dense hydrogen-
A composite gas separation module includes a porous metal substrate; an intermediate layer that includes a powder having a Tamman temperature higher than the Tamman temperature of the porous metal substrate and wherein the intermediate layer overlies the porous metal substrate; and a dense hydrogen-selective membrane, wherein the dense hydrogen-selective membrane overlies the intermediate layer. In another embodiment, a composite gas separation module includes a porous metal substrate; an intermediate powder layer; and a dense gas-selective membrane, wherein the dense gas-selective membrane overlies the intermediate powder layer.
대표청구항▼
We claim: 1. A composite gas separation module, comprising: a) a porous metal substrate; b) an intermediate layer that includes a metal powder having a Tamman temperature higher than the Tamman temperature of the porous metal substrate and wherein the intermediate layer overlies the porous metal su
We claim: 1. A composite gas separation module, comprising: a) a porous metal substrate; b) an intermediate layer that includes a metal powder having a Tamman temperature higher than the Tamman temperature of the porous metal substrate and wherein the intermediate layer overlies the porous metal substrate; and c) a dense hydrogen-selective membrane, wherein the dense hydrogen-selective membrane overlies the intermediate layer. 2. The composite gas separation module of claim 1 wherein the porous metal substrate is stainless steel. 3. The composite gas separation module of claim 1 wherein the porous metal substrate is an alloy containing chromium and nickel. 4. The composite gas separation module of claim 3 wherein the alloy further contains molybdenum. 5. The composite gas separation module of claim 1 further comprising a layer of a ceramic bonded to the porous metal substrate and underlying the intermediate layer. 6. The composite gas separation module of claim 1 wherein the metal powder has an average particle size ranging from about 0.5 to about 5 microns. 7. The composite gas separation module of claim 1 wherein the metal powder has a Tamman temperature higher than the Tamman temperature of the dense hydrogen-selective membrane. 8. The composite gas separation module of claim 1 wherein the intermediate layer further includes a powder selected from the group consisting of metal oxide powders, ceramic powders, zeolite powders, and combinations thereof. 9. The composite gas separation module of claim 1 wherein the metal powder includes a material selected from the group consisting of tungsten, silver, and combinations thereof. 10. The composite gas separation module of claim 1 wherein the intermediate layer further includes at least one material having a Tamman temperature less than or about equal to the Tamman temperature of the dense hydrogen-selective membrane. 11. The composite gas separation module of claim 10 wherein the intermediate layer further includes at least one material selected from the group consisting of silver, gold, copper, cerium and yttrium. 12. The composite gas separation module of claim 1 wherein the intermediate layer has an average thickness of at least about 1 micron. 13. The composite gas separation module of claim 12 wherein the intermediate layer has an average thickness ranging from about 1 to about 10 microns. 14. The composite gas separation module of claim 13 wherein the intermediate layer has an average thickness ranging from about 1 to about 5 microns. 15. The composite gas separation module of claim 1 wherein the average pore size of the intermediate layer is less than the average pore size of the porous metal substrate. 16. The composite gas separation module of claim 1 wherein the intermediate layer has a top side and a bottom side and wherein the intermediate layer is directly adjacent to the porous metal substrate on the bottom side and is directly adjacent to the dense hydrogen-selective membrane on the top side. 17. The composite gas separation module of claim 1 wherein the dense hydrogen-selective membrane includes palladium or an alloy thereof. 18. A method for fabricating a composite gas separation module, comprising the steps of: a) applying an intermediate layer over a porous metal substrate, the intermediate layer including a metal powder having a Tamman temperature higher than the Tamman temperature of the porous metal substrate; and b) applying a dense hydrogen-selective membrane over the intermediate layer, the intermediate layer including the metal powder, thereby forming the composite gas separation module. 19. The method of claim 18 further comprising the step of oxidizing the surface of the porous metal substrate prior to applying the intermediate layer. 20. The method of claim 18 wherein the intermediate layer is applied by depositing the metal powder from a slurry. 21. The method of claim 20 wherein the slurry is a water-based slurry. 22. The method of claim 18 wherein the metal powder has an average particle size ranging from about 0.5 to about 5 microns. 23. The method of claim 18 wherein the intermediate layer further includes a powder selected from the group consisting of metal oxide powders, ceramic powders, zeolite powders, and combinations thereof. 24. The method of claim 18 wherein the metal powder includes a material selected from the group consisting of tungsten, silver, and combinations thereof. 25. The method of claim 18 wherein the intermediate layer has an average thickness of least about 1 to about 10 microns. 26. The method of claim 18 wherein the average pore size of the intermediate layer is less than the average pore size of the porous metal substrate. 27. The method of claim 18 further comprising the step of surface activating the intermediate layer prior to applying the dense hydrogen-selective layer. 28. The method of claim 27 wherein surface activating the intermediate layer includes seeding the intermediate layer with nuclei of a hydrogen-selective metal. 29. The method of claim 18 wherein applying the dense hydrogen-selective membrane includes applying palladium, or an alloy thereof, over the intermediate layer. 30. The method of claim 18 wherein the dense hydrogen-selective membrane includes palladium alloyed with at least one of the metals selected from the group consisting of copper, silver, gold, platinum, ruthenium, rhodium, yttrium, cerium and indium. 31. The method of claim 18 wherein applying the dense hydrogen-selective membrane includes depositing a hydrogen-selective metal over the intermediate layer by a method selected from the group consisting of electroless plating, electroplating, thermal deposition, chemical vapor deposition, spray deposition, sputter coating, e-beam evaporation, ion beam evaporation and spray pyrolysis. 32. A composite gas separation module fabricated by the method of claim 18. 33. A method for selectively separating hydrogen gas from a hydrogen gas-containing gaseous stream, comprising the step of: directing the hydrogen gas-containing gaseous stream to a composite gas separation module, wherein the composite gas separation module includes: a) a porous metal substrate; b) an intermediate layer that includes a metal powder having a Tamman temperature higher than the Tamman temperature of the porous metal substrate and wherein the intermediate layer overlies the porous metal substrate; and c) a dense hydrogen-selective membrane, wherein the dense hydrogen-selective membrane overlies the intermediate layer; whereby hydrogen gas is at least partially partitioned from the gaseous stream by passing through the dense hydrogen-selective membrane. 34. The method of claim 33 further comprising the step of reacting hydrogen gas-producing reactants to produce the gaseous stream. 35. The method of claim 33 wherein the metal powder has an average particle size ranging from about 0.5 to about 5 microns. 36. The method of claim 33 wherein the intermediate layer further includes a powder selected from the group consisting of metal oxide powders, ceramic powders, zeolite powders, and combinations thereof. 37. The method of claim 33 wherein the metal powder includes a material selected from the group consisting of tungsten, silver, and combinations thereof. 38. The method of claim 33 wherein the intermediate layer has an average thickness ranging from about 1 to about 10 microns. 39. The method of claim 33 wherein the dense hydrogen-selective membrane includes palladium or an alloy thereof. 40. A composite gas separation module, comprising: a) a porous metal substrate; b) an intermediate unsintered metal powder layer; and c) a dense gas-selective membrane, wherein the dense gas-selective membrane overlies the intermediate unsintered metal powder layer. 41. The composite gas separation module of claim 40 wherein the intermediate unsintered metal powder layer includes an unsintered metal powder having a Tamman temperature of at least the Tamman temperature of the porous metal substrate. 42. The composite gas separation module of claim 40 wherein the intermediate unsintered metal powder layer includes an unsintered metal powder having an average particle size ranging from about 0.5 to about 5 microns. 43. A composite gas separation module, comprising: a) a porous metal substrate; b) an intermediate layer that includes: (1) a powder having a Tamman temperature higher than the Tamman temperature of the porous metal substrate and wherein the intermediate layer overlies the porous metal substrate, and (2) at least one material having a Tamman temperature less than or about equal to the Tamman temperature of a dense hydrogen-selective membrane selected from the group consisting of silver, gold, copper, cerium and yttrium; and c) the dense hydrogen-selective membrane, wherein the dense hydrogen-selective membrane overlies the intermediate layer.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (40)
Vaiman Lev A. (Bellevue WA), Apparatus and method for extracting hydrogen.
Behr Friedrich (Essen DEX) Schulten Rudolf (Aachen Richterich DEX) Weirich Walter (Aachen DEX), Diffusion membrane and process for separating hydrogen from gas mixture.
Juda Walter ; Krueger Charles W. ; Bombard R. Todd, Diffusion-bonded palladium-copper alloy framed membrane for pure hydrogen generators and the like and method of prepar.
Iniotakis Nicolas (Jlich DEX) von der Decken Claus-Benedict (Aachen DEX) Frhling Werner (Dren DEX), Hydrogen permeatin membrane, process for its manufacture and use.
Iniotakis Nicolas (Jlich DEX) von der Decken Claus-Benedict (Aachen DEX) Fedders Heinrich (Jlich DEX) Frhling Werner (Dren DEX) Sernetz Friedrich (Alzenau-Klberau DEX), Hydrogen permeation membrane.
Edlund, David J.; Pledger, William A.; Studebaker, R. Todd, Hydrogen-selective metal membranes, membrane modules, purification assemblies and methods of forming the same.
McHenry James Alexander (Washington NJ) Deckman Harry William (Clinton NJ) Corcoran ; Jr. Edward William (Easton PA) Lai Wenyih Frank (Fair Lawn NJ) Witzke Horst (Flemington NJ), Membrane reparation and poer size reduction using interfacial ozone assisted chemical vapor deposition.
Yang Seung-Man,KRX ; Park Seung-Bin,KRX ; Lee Seung-Jin,KRX ; Lee Sang-Yon,KRX, Process for preparing a composite inorganic membrane for hydrogen separation.
Stephan A. Cohen ; Fenton R. McFeely ; Cevdet I. Noyan ; Kenneth P. Rodbell ; John J. Yurkas ; Robert Rosenberg, Ultra thin, single phase, diffusion barrier for metal conductors.
Baker Richard W. (Palo Alto CA) Louie Jenny (Fremont CA) Pfromm Peter H. (Palo Alto CA) Wijmans Johannes G. (Menlo Park CA), Ultrathin composite metal membranes.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.