Method for obtaining hydrogen, and corresponding device
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01D-053/22
B01D-063/00
B01D-069/02
B01D-071/02
C01B-003/50
출원번호
US-0430773
(2013-09-27)
등록번호
US-9656204
(2017-05-23)
우선권정보
DE-10 2012 109 154 (2012-09-27)
국제출원번호
PCT/EP2013/070179
(2013-09-27)
국제공개번호
WO2014/049115
(2014-04-03)
발명자
/ 주소
Huber, Anna
Lorenzen, Hinrich
Mahnken, Claus-Lueder
Reck, Siegfried
Rosskamp, Sebastian
Thiesen, Dieter
출원인 / 주소
Mahnken & Partner GmbH
대리인 / 주소
Whitham, Curtis & Cook, P.C.
인용정보
피인용 횟수 :
0인용 특허 :
7
초록▼
A method for obtaining highly pure hydrogen from a raw gas begins with heating and/or treating a semipermeable material made of metal or a metal alloy, preferably, conducting an electric current through the semipermeable material at the beginning of the method in order to increase the quantity of hy
A method for obtaining highly pure hydrogen from a raw gas begins with heating and/or treating a semipermeable material made of metal or a metal alloy, preferably, conducting an electric current through the semipermeable material at the beginning of the method in order to increase the quantity of hydrogen passing through the material. A device for obtaining highly pure hydrogen from the raw gas includes a semipermeable material which forms a boundary between the interior of a pressure vessel and the outer region of the pressure vessel and which is permeable to hydrogen. The device is designed such that is can be heatable or treatable at least in sections, in particular, by means of electric energy.
대표청구항▼
1. A method for obtaining high-purity hydrogen from a raw gas, wherein the raw gas is passed under pressure into a first pressure vessel and this first pressure vessel is at least partially delimited from a second pressure vessel by a semipermeable material and the first pressure vessel is completel
1. A method for obtaining high-purity hydrogen from a raw gas, wherein the raw gas is passed under pressure into a first pressure vessel and this first pressure vessel is at least partially delimited from a second pressure vessel by a semipermeable material and the first pressure vessel is completely self-contained relative to the second pressure vessel, wherein the high-purity hydrogen segregates through the semipermeable material into the second pressure vessel, and wherein the semipermeable material is a metal or metal alloy, the semipermeable material is heated at a start of the method at least, for a period sufficient to increase the amount of permeating hydrogen, and subsequently the heating is at least interrupted while continuing permeation of hydrogen from the raw gas through the semipermeable membrane, and wherein the semipermeable material comprises ferritic iron and/or pig iron and/or ingot iron. 2. The method for obtaining high-purity hydrogen from a raw gas as claimed in claim 1, wherein the first pressure vessel has an inner region, which forms the second pressure vessel and which is completely self-contained relative to the interior of the first pressure vessel, wherein the inner region is at least partially delimited from the interior of the first pressure vessel by the semipermeable material, and wherein the high-purity hydrogen segregates via the semipermeable material into the inner region. 3. The method as claimed in claim 1, wherein the semipermeable material is heated by means of current. 4. The method as claimed in claim 3, the current is an alternating current and is passed in a longitudinal direction through the semipermeable material at the start of the method at least. 5. The method as claimed in claim 3, wherein the heating is effected with an alternating current at a current density of at least 10 amperes per square millimeter. 6. The method as claimed in claim 1, wherein the raw gas is imported into the first pressure vessel in a mixture with a carrier gas. 7. The method as claimed in claim 2, wherein the hydrogen which segregates in the interior of the inner region is conducted away by negative pressure. 8. The method as claimed in claim 1, wherein the raw gas passes into the first pressure vessel at a temperature of below 400° C. 9. The method as claimed in claim 3, wherein the heating is effected with an alternating current in a pulsating manner. 10. The method as claimed claim 1, wherein the metal or metal alloy is or includes iron and the semipermeable material is subjected to an alternating current having a frequency of at least 50 Hz for a brief time at the start of the method and optionally again in the continued course. 11. A device for obtaining high-purity hydrogen from raw gas wherein the raw gas is passed under pressure into a first pressure vessel and this first pressure vessel is at least partially delimited from a second pressure vessel by a semipermeable material and the first pressure vessel is completely self-contained relative to the second pressure vessel, wherein the high-purity hydrogen segregates through the semipermeable material into the second pressure vessel, and wherein the semipermeable material is a metal or metal alloy, the device being configured such that the semipermeable material is heated at a start of the method at least, for a period sufficient to increase the amount of permeating hydrogen, and subsequently the heating is at least interrupted while continuing permeation of hydrogen from the raw gas through the semipermeable membrane, wherein the first pressure vessel includes incoming and outgoing lines for the raw gas and the hydrogen-depleted raw gas respectively, wherein the second pressure vessel, which is completely self-contained with regard to the first pressure vessel, and is at least partially delimited from the first pressure vessel by the semipermeable material, wherein the semipermeable material is pervious to hydrogen, for segregating high-purity hydrogen from the raw gas, and the semipermeable material is heatable, at least segmentally, and wherein the semipermeable material comprises ferritic iron and/or pig iron and/or ingot iron. 12. The device for obtaining high-purity hydrogen from raw gas as claimed in claim 11, wherein the second pressure vessel is in the form of an inner region in the interior of the first pressure vessel, said inner region being completely self-contained with regard to the interior of the first pressure vessel and being at least partially delimited from the interior of the first pressure vessel by the semipermeable material, wherein the semipermeable material is pervious to hydrogen. 13. The device for obtaining high-purity hydrogen from raw gas as claimed in claim 11, wherein the first pressure vessel includes outgoing lines for high-purity hydrogen, and wherein the second pressure vessel resides in inner region in the interior of the first pressure vessel and is self-contained relative to the interior of the first pressure vessel, and the inner region is at least partially delimited from the interior of the first pressure vessel by the semipermeable material, wherein the semipermeable material is pervious to hydrogen, for segregating high-purity hydrogen from the raw gas. 14. The method for obtaining high-purity hydrogen from a raw gas as claimed in claim 1, wherein the raw gas passes under pressure into an inner region of the first pressure vessel, wherein the inner region is completely self-contained relative to an interior of the first pressure vessel and is at least partially delimited from the interior of the first pressure vessel by the semipermeable membrane and wherein the high-purity hydrogen is segregated into the first pressure vessel via the semipermeable membrane.
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