Feed gas contaminant removal in ion transport membrane systems
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C07C-027/14
C01B-013/00
C01B-003/24
출원번호
US-0774941
(2010-05-06)
등록번호
US-8148583
(2012-04-03)
발명자
/ 주소
Underwood, Richard Paul
Makitka, III, Alexander
Carolan, Michael Francis
출원인 / 주소
Air Products and Chemicals, Inc.
대리인 / 주소
Hoke, Jr., Bryan C.
인용정보
피인용 횟수 :
0인용 특허 :
20
초록▼
An oxygen ion transport membrane process wherein a heated oxygen-containing gas having one or more contaminants is contacted with a reactive solid material to remove the one or more contaminants. The reactive solid material is provided as a deposit on a support. The one or more contaminant compounds
An oxygen ion transport membrane process wherein a heated oxygen-containing gas having one or more contaminants is contacted with a reactive solid material to remove the one or more contaminants. The reactive solid material is provided as a deposit on a support. The one or more contaminant compounds in the heated oxygen-containing gas react with the reactive solid material. The contaminant-depleted oxygen-containing gas is contacted with a membrane, and oxygen is transported through the membrane to provide transported oxygen.
대표청구항▼
1. An oxygen ion transport membrane process comprising: (a) contacting a heated oxygen-containing gas with a reactive solid material, the heated oxygen-containing gas comprising oxygen and one or more contaminant compounds wherein at least one of the one or more contaminant compounds in the heated o
1. An oxygen ion transport membrane process comprising: (a) contacting a heated oxygen-containing gas with a reactive solid material, the heated oxygen-containing gas comprising oxygen and one or more contaminant compounds wherein at least one of the one or more contaminant compounds in the heated oxygen-containing gas is CrO2(OH)2, Si(OH)4, WO2(OH)2, CrO)3, oxides of molybdenum, or oxy-hydroxides of molybdenum, the reactive solid material provided as a deposit on a support wherein the reactive solid material comprises one or more compounds selected from the group consisting of magnesium oxide, calcium carbonate, strontium carbonate, zinc oxide, strontium oxide, barium oxide, barium carbonate, and alkaline-earth-containing perovskites, reacting the one or more contaminant compounds in the heated oxygen-containing gas with the reactive solid material under reaction conditions sufficient to react the one or more contaminant compounds with the reactive solid material thereby forming a contaminant-depleted oxygen-containing gas and reacted solid material;(b) contacting the contaminant-depleted oxygen-containing gas with a first surface of a membrane comprising mixed conducting multicomponent metallic oxide, and transporting oxygen through the membrane to a second surface of the membrane to provide transported oxygen. 2. The process according to claim 1 wherein the reaction conditions sufficient to react the one or more contaminant compounds with the reactive solid material include a first temperature ranging from 100° C. to 1100° C. and a first pressure ranging from 1.5 atm (0.15 MPa) (absolute) to 40 atm (absolute) (4.05 MPa). 3. The process according to claim 1 wherein the support comprises one or more compounds selected from the group consisting of alumina, mullite, zirconia, silicon carbide, magnesium oxide, and cordierite. 4. The process according to claim 1 wherein the heated oxygen-containing gas does not undergo a catalyzed reaction when contacting the support or any deposits on the support. 5. The process according to claim 1 wherein at least one of the one or more contaminant compounds in the heated oxygen-containing gas is also SO2, SO3, or H2SO4. 6. The process according to claim 1 further comprising: reacting a hydrocarbon-containing feed gas with the transported oxygen under reaction conditions sufficient to react the hydrocarbon-containing feed gas with the transported oxygen thereby forming an oxidation product. 7. The process according to claim 6 wherein the reaction conditions sufficient to react the hydrocarbon-containing feed gas with the transported oxygen include a temperature ranging from 600° C. to 1100° C. and a pressure ranging from 0.2 to 5 MPa. 8. The process according to claim 6 further comprising: contacting a heated hydrocarbon-containing gas with a second reactive solid material, the heated hydrocarbon-containing gas comprising a hydrocarbon and one or more contaminant compounds, the second reactive solid material provided as a deposit on a second support and reacting the one or more contaminant compounds in the heated hydrocarbon-containing gas with the second reactive solid material under reaction conditions sufficient to react the one or more contaminant compounds in the heated hydrocarbon-containing gas with the second reactive solid material thereby forming the hydrocarbon-containing feed gas and a second reacted solid material. 9. The process according to claim 8 wherein the reaction conditions sufficient to react the one or more contaminant compounds in the heated hydrocarbon-containing gas with the second reactive solid material include a second temperature ranging from 500° C. to 1100° C. and a second pressure ranging from 0.2 MPa to 5 MPa. 10. The process according to claim 8 wherein the heated hydrocarbon-containing gas does not undergo a catalyzed reaction when contacting the second support or any deposits on the second support. 11. The process according to claim 8 wherein at least one of the one or more contaminant compounds in the heated hydrocarbon-containing gas is Si(OH)4, WO2(OH)2, oxides of molybdenum, or oxy-hydroxides of molybdenum. 12. The process according to claim 8 wherein the second reactive solid material comprises one or more compounds selected from the group consisting of magnesium oxide, calcium oxide, copper oxide, calcium carbonate, sodium carbonate, strontium carbonate, zinc oxide, strontium oxide, sodium oxide, potassium oxide, barium oxide, barium carbonate and alkaline-earth-containing perovskites.
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이 특허에 인용된 특허 (20)
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