Adsorptive gas separation of multi-component gases
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01D-053/02
출원번호
US-0598855
(2008-05-09)
등록번호
US-8540802
(2013-09-24)
국제출원번호
PCT/US2008/006008
(2008-05-09)
§371/§102 date
20091104
(20091104)
국제공개번호
WO2008/140788
(2008-11-20)
발명자
/ 주소
Yaghi, Omar M.
Hayashi, Hideki
Banerjee, Rahul
출원인 / 주소
The Regents of the University of California
대리인 / 주소
Baker, Jr., Joseph R.
인용정보
피인용 횟수 :
1인용 특허 :
24
초록
The disclosure relates generally to a gas-separation system for separating one or more components from a multi-component gas using Zeolitic imidazolate or imidazolate-derived framework.
대표청구항▼
1. A method of separating a component gas from a multi-component gas, comprising contacting a functionalized zeolitic framework with the multi-component gas, wherein a component of the multi-component gas is selectively adsorbed to the functionalized zeolitic framework by electrostatically interacti
1. A method of separating a component gas from a multi-component gas, comprising contacting a functionalized zeolitic framework with the multi-component gas, wherein a component of the multi-component gas is selectively adsorbed to the functionalized zeolitic framework by electrostatically interacting with the one or more electron withdrawing group of the pore walls, thereby separating the absorbed component from other components in the multi-component gas,wherein the functionalized zeolitic framework is ZIF-68, ZIF-69, or ZIF-70, andwherein the method comprises either (a) separating the component gas from a multicomponent gas, where the multicomponent gas is natural gas, or (b) separating the component gas from a multi-component gas that is rich in methane and contains CO2, where the component gas is CO2 and the component gas is adsorbed by the zeolitic framework. 2. The method of claim 1, wherein the functionalized zeolitic framework comprises a plurality of pores, each of the plurality of pores comprises a sufficient number of accessible sites for atomic or molecular adsorption. 3. The method of claim 2, wherein a surface area of a pore of the plurality of pores is greater than about 2000 m2/g. 4. The method of claim 2, wherein a surface area of a pore of the plurality of pores is about 3,000-18,000 m2/g. 5. The method of claim 2, wherein a surface area of a pore of the plurality of pores is about 3,000-6,000 m2/g. 6. The method of claim 2, wherein a pore of the plurality of pores comprises a pore volume 0.1 to 0.99 cm3/cm3. 7. The method of claim 2, wherein a pore of the plurality of pores comprises a pore volume of 0.4-0.5 cm3/cm3. 8. The method of claim 1, wherein the functionalized zeolitic framework has a framework density of about 0.17 g/cm3. 9. The method of claim 1, wherein the adsorbed component is selected from the group consisting of ammonia, carbon dioxide, hydrogen, amines, oxygen, argon, nitrogen, organic dyes, polycyclic organic molecules, and combinations thereof. 10. A method of separating a component from a multi-component gas, comprising: passing a multi-component gas through a functionalized zeolitic imidazolate framework comprising one or more pore walls that are polar, wherein the component gas is selectively adsorbed to the polar pore walls of the functionalized zeolitic imidazolate framework, wherein the functionalized zeolitic imidazolate framework is ZIF-68, ZIF-69, or ZIF-70, and wherein the multicomponent gas is (a) natural gas, or (b) a multi-component gas that is rich in methane and contains CO2, where the component gas is CO2 and the component gas is adsorbed by the zeolitic framework. 11. The method of claim 1 or 10, wherein the multi-component gas is natural gas. 12. The method of claim 1 or 10, wherein the multi-component gas is rich in methane and contains CO2 and CO2 is the component that is being selectively adsorbed by the functionalized zeolitic framework.
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