Adsorption composition and process for removing CO from material streams
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01D-053/86
B01J-020/06
B01J-023/72
출원번호
US-0515246
(2007-11-28)
등록번호
US-8236264
(2012-08-07)
우선권정보
EP-06125244 (2006-12-01)
국제출원번호
PCT/EP2007/062937
(2007-11-28)
§371/§102 date
20090515
(20090515)
국제공개번호
WO2008/065135
(2008-06-05)
발명자
/ 주소
Hatscher, Stephan
Hesse, Michael
출원인 / 주소
BASF SE
대리인 / 주소
Connolly Bove Lodge & Hutz LLP
인용정보
피인용 횟수 :
2인용 특허 :
19
초록▼
Carbon monoxide is removed from material streams by adsorption to an adsorption composition comprising oxides of copper, zinc and aluminum, the copper-comprising fraction of which has a degree of reduction, expressed as weight ratio of metallic copper to the sum of metallic copper and copper oxides,
Carbon monoxide is removed from material streams by adsorption to an adsorption composition comprising oxides of copper, zinc and aluminum, the copper-comprising fraction of which has a degree of reduction, expressed as weight ratio of metallic copper to the sum of metallic copper and copper oxides, calculated as CuO, of at most 60%.
대표청구항▼
1. An adsorption composition comprising oxides of copper, zinc and aluminum, wherein copper is present in a copper-comprising fraction selected from the group consisting of metallic copper, Cu2O, and CuO, or a mixture thereof;wherein the adsorption composition comprises copper in an amount, calculat
1. An adsorption composition comprising oxides of copper, zinc and aluminum, wherein copper is present in a copper-comprising fraction selected from the group consisting of metallic copper, Cu2O, and CuO, or a mixture thereof;wherein the adsorption composition comprises copper in an amount, calculated as CuO, of from 10% by weight to 70% by weight based on the total amount of the adsorption composition;wherein the adsorption composition comprises zinc in an amount, calculated as ZnO, of from 10% by weight to 70% by weight based on the total amount of the adsorption composition;wherein the adsorption composition comprises aluminum in an amount, calculated as Al2O3, of from 0.1% by weight to 50% by weight based on the total amount of the adsorption composition; andwherein the copper-comprising fraction has a degree of reduction, expressed as weight ratio of metallic copper to the sum of metallic copper, Cu2O, and CuO, calculated as CuO, of at most 60%; andwherein the adsorption composition comprises no zirconium dioxide except for unavoidable impurities. 2. The adsorption composition according to claim 1, wherein the copper-comprising fraction has a degree of reduction, expressed as weight ratio of metallic copper to the sum of metallic copper, Cu2O, and CuO, calculated as CuO, of at most 40%. 3. The adsorption composition according to claim 2 which essentially consists of copper in an amount equivalent to 30% to 50% by weight CuO, zinc in an amount equivalent to 30% to 50% by weight ZnO and aluminum in an amount equivalent to 10% to 30% by weight Al2O3, in each case based on the total amount of the adsorption composition. 4. The adsorption composition according to claim 1 on an inert support. 5. The adsorption composition according to claim 1, wherein zinc is present in the form of zinc oxide (ZnO) and aluminum in the form of aluminum oxide (Al2O3). 6. A process for removing carbon monoxide from carbon monoxide-comprising material streams by adsorption to an adsorption composition, wherein the carbon monoxide-comprising material stream is contacted with an adsorption composition defined in claim 1. 7. The process according to claim 6, wherein carbon monoxide is removed from a liquid propylene stream. 8. A process for removing carbon monoxide from carbon monoxide- and oxygen-comprising material streams by catalytic reaction of carbon monoxide with oxygen to form carbon dioxide, wherein the catalyst used is the adsorption composition defined in claim 1. 9. A process for removing carbon monoxide from carbon monoxide-comprising material streams by reacting carbon monoxide with a copper(I) oxide- and/or copper(II) oxide-comprising solid to form carbon dioxide with formation of metallic copper, wherein the adsorption composition defined in claim 1 is used as copper(I) oxide- and/or copper(II) oxide-comprising solid. 10. A process for producing the adsorption composition defined in claim 1, comprising the following process steps in the sequence stated: a) production of a solution or suspension of the components of the adsorption composition and/or of starting compounds thereof;b) precipitation of a solid from this solution by addition of a base, optionally with mixing of the precipitation product with further components of the adsorption composition and/or of starting compounds thereof;c) separation and drying of the resultant solid;d) calcination of the solid;e) shaping the solid to give shaped bodies;f) further calcination of the shaped bodies;which comprises the process comprising a process stepg) setting the degree of reduction of the copper-comprising fraction of the adsorption composition, expressed as weight ratio of metallic copper to the sum of metallic copper and copper oxides, calculated as CuO, to a value of at most 60%,to be carried out after or simultaneously with process step f). 11. A process for regenerating the adsorption composition defined in claim 1 after use thereof for removal by adsorption of carbon monoxide from carbon monoxide-comprising material streams, which comprises heating the adsorption composition to a temperature in the range from 50 to 500° C. and/or passing a gas through a bed of the adsorption composition to be regenerated. 12. The adsorption composition according to claim 2 on an inert support. 13. The adsorption composition according to claim 3 on an inert support. 14. The adsorption composition according to claim 2, wherein zinc is present in the form of zinc oxide (ZnO) and aluminum in the form of aluminum oxide (Al2O3). 15. The adsorption composition according to claim 3, wherein zinc is present in the form of zinc oxide (ZnO) and aluminum in the form of aluminum oxide (Al2O3). 16. The adsorption composition according to claim 4, wherein zinc is present in the form of zinc oxide (ZnO) and aluminum in the form of aluminum oxide (Al2O3). 17. A process for removing carbon monoxide from carbon monoxide-comprising material streams by adsorption to an adsorption composition, wherein the carbon monoxide-comprising material stream is contacted with an adsorption composition defined in claim 2. 18. A process for removing carbon monoxide from carbon monoxide-comprising material streams by adsorption to an adsorption composition, wherein the carbon monoxide-comprising material stream is contacted with an adsorption composition defined in claim 3. 19. A process for removing carbon monoxide from carbon monoxide-comprising material streams by adsorption to an adsorption composition, wherein the carbon monoxide-comprising material stream is contacted with an adsorption composition defined in claim 4. 20. A process for removing carbon monoxide from carbon monoxide-comprising material streams by adsorption to an adsorption composition, wherein the carbon monoxide-comprising material stream is contacted with an adsorption composition defined in claim 5.
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