Method of carrying out a chemical equilibrium reaction using a permselective membrane
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C07C-001/12
C07C-029/152
C07C-029/76
출원번호
US-0970681
(2015-12-16)
등록번호
US-9611187
(2017-04-04)
우선권정보
DE-10 2014 118 894 (2014-12-17)
발명자
/ 주소
Gruetzner, Joerg
Martin, Dirk
출원인 / 주소
MUW SCREENTEC FILTER- UND PRAEZISIONSTECHNIK AUS METALL GMBH
대리인 / 주소
Abel Law Group, LLP
인용정보
피인용 횟수 :
1인용 특허 :
2
초록▼
The invention relates to a method of carrying out a chemical equilibrium reaction using a permselective membrane, wherein quantitative proportions of at least one product obtained in the reaction are separated and removed from the reaction through the action of the permselective membrane. The chemic
The invention relates to a method of carrying out a chemical equilibrium reaction using a permselective membrane, wherein quantitative proportions of at least one product obtained in the reaction are separated and removed from the reaction through the action of the permselective membrane. The chemical equilibrium reaction is carried out in the presence of a water-containing gas mixture, and a permselective membrane made from a material having a porous structure with mean pore sizes of less than 0.45 nm (4.5 Å), which material is hydrophobic at least on the free surfaces thereof is used.
대표청구항▼
1. A method of carrying out a chemical equilibrium reaction in which carbon dioxide and hydrogen are converted, wherein the method comprises separating and removing from the reaction quantitative proportions of at least one product obtained in the reaction by using a permselective membrane made from
1. A method of carrying out a chemical equilibrium reaction in which carbon dioxide and hydrogen are converted, wherein the method comprises separating and removing from the reaction quantitative proportions of at least one product obtained in the reaction by using a permselective membrane made from a material having a porous structure with a mean pore size of less than 0.45 nm (4.5 Å), which material is hydrophobic at least on free surfaces thereof. 2. The method of claim 1, wherein the permselective membrane is a carbon membrane, the structure of the material is graphite-like and is formed by layers of the material, the structure is formed by at least one series of layers, which layers are arranged in planes, there is a mean spacing between adjacent layers of less than 0.45 nm (4.5 Å), and the series of layers is turbostratically disordered. 3. The method of claim 1, wherein at least one metal-containing catalyst is arranged on a surface of the permselective membrane. 4. The method of claim 3, wherein the at least one metal-containing catalyst comprises one or more of ruthenium, nickel, cobalt, rhodium, platinum, palladium, and alloys thereof. 5. The method of claim 1, wherein the chemical equilibrium reaction is carried out with a hydrogen surplus with respect to a stoichiometric use of molecular hydrogen. 6. The method of claim 5, wherein the hydrogen surplus amounts to 2.5% with respect to the stoichiometric use of molecular hydrogen. 7. The method of claim 1, wherein biogas, sewage gas, biomethane, molecular hydrogen-containing carbon dioxide streams, molecular hydrogen-releasing electrolysis, hydrogen streams or combinations thereof are used as sources of molecular hydrogen. 8. The method of claim 7, wherein the sources of molecular hydrogen are reduced and desulfurized and contain ≦1 ppm of oxygen (O2) and sulfur (S). 9. The method of claim 1, wherein the equilibrium reaction is a Sabatier reaction. 10. The method of claim 9, wherein the Sabatier reaction is carried out at a pressure of from 1 to 100 bar and at a temperature of from 150 to 600° C. 11. The method of claim 10, wherein the Sabatier reaction is carried out at a pressure of from 10 to 20 bar and at a temperature of from 250 to 450° C. 12. The method of claim 11, wherein the Sabatier reaction is carried out at a pressure of about 20 bar and at a temperature of about 300° C. 13. The method of claim 1, wherein the equilibrium reaction is a methanol production reaction. 14. The method of claim 13, wherein the methanol production reaction is carried out at a pressure of from 80 bar up to and including 250 bar and at a temperature of from 150° C. up to and including 400° C. 15. The method of claim 2, wherein at east one metal-containing catalyst is arranged on a surface of the permselective membrane. 16. The method of claim 15, wherein the at least one metal-containing catalyst comprises one or more of ruthenium, nickel, cobalt, rhodium, platinum, palladium, and alloys thereof. 17. The method of claim 2, wherein the chemical equilibrium reaction is carried out with a hydrogen surplus with respect to a stoichiometric use of molecular hydrogen. 18. The method of claim 17, wherein the hydrogen surplus amounts to 2.5% with respect to the stoichiometric use of molecular hydrogen. 19. The method of claim 2, wherein biogas, sewage gas, biomethane, molecular hydrogen-containing carbon dioxide streams, molecular hydrogen-releasing electrolysis, hydrogen streams or combinations thereof are used as sources of molecular hydrogen. 20. The method of claim 19, wherein the sources of molecular hydrogen are reduced and desulfurized and contain ≦1 ppm of oxygen (O2) and sulfur (S).
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