Perforated graphene deionization or desalination
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01D-061/00
B01D-061/02
C02F-001/44
B01D-063/00
B01D-029/46
B01D-071/02
B01D-067/00
B01D-063/10
B01D-069/02
B01D-069/10
B01D-071/36
B01D-071/50
B82Y-030/00
C02F-103/08
출원번호
US-0332982
(2016-10-24)
등록번호
US-9833748
(2017-12-05)
발명자
/ 주소
Stetson, Jr., John B.
Mercurio, Jonathan
Rosenwinkel, Alan
Bedworth, Peter V.
Fleming, Shawn P.
Westman, Aaron L.
출원인 / 주소
Lockheed Martin Corporation
대리인 / 주소
Foley & Lardner LLP
인용정보
피인용 횟수 :
0인용 특허 :
224
초록▼
A fluid deionizer includes at least one graphene sheet perforated with apertures dimensioned to allow a flow of fluid and to disallow at least one particular type of ion contained in the flow of fluid. A purge valve is placed in an open position so as to collect the at least one particular type of i
A fluid deionizer includes at least one graphene sheet perforated with apertures dimensioned to allow a flow of fluid and to disallow at least one particular type of ion contained in the flow of fluid. A purge valve is placed in an open position so as to collect the at least one particular type of ion disallowed by the graphene sheet so as to clean off the at least one graphene sheet. Another embodiment provides a deionizer with graphene sheets in cylindrical form. A separation apparatus is also provided in a cross-flow arrangement where a pressurized source directs a medium along a path substantially parallel to at least one sheet of graphene from an inlet to an outlet. The medium flows through the plural perforated apertures while a remaining portion of the medium and the disallowed components in the medium flow out the outlet.
대표청구항▼
1. A separation apparatus, comprising: a housing;at least one first sheet of graphene, within the housing, with plural perforated apertures having a desired size to allow passage of a fluid and to disallow passage of selected components in the fluid, said at least one first sheet of graphene having
1. A separation apparatus, comprising: a housing;at least one first sheet of graphene, within the housing, with plural perforated apertures having a desired size to allow passage of a fluid and to disallow passage of selected components in the fluid, said at least one first sheet of graphene having a first side and a second side opposite the first side;a source of said fluid directing said fluid along a flow path substantially parallel to said at least one first sheet of graphene, the fluid flowing on to a first surface of the first side of said at least one first sheet of graphene so that a portion of the fluid flows to the second side of said at least one first sheet of graphene through said plural perforated apertures while the disallowed selected components in the fluid are prevented from flowing through the perforated apertures,wherein a length of a flow path through the apertures of a sheet of the at least one first sheet of graphene is equal to a thickness of the sheet of the at least one first sheet of graphene; andat least one second sheet of graphene, within the housing, and separated from the at least one first sheet of graphene, allowing the passage of fluid passing through the first sheet of graphene to pass through the second sheet of graphene and disallow passage of second selected components;wherein apertures in the at least one first sheet of graphene have a different size than apertures in the at least one second sheet of graphene; wherein the housing is provided with a fluid inlet and fluid outlets for removing the disallowed components and the fluid treated. 2. The apparatus according to claim 1, wherein said plural perforated apertures are sized in a range of 0.6 to 1.2 nanometers. 3. The apparatus according to claim 1, further comprising: a supporting membrane on a side of said at least one first sheet of graphene opposite said flow path, said supporting membrane selected from the group consisting of polytetrafluoroethylene, perforated polycarbonate film, and sintered porous metal, said supporting membrane perforated with a plurality of apertures. 4. The apparatus according to claim 1, wherein said apertures are nominally spaced apart by 15 nanometers. 5. The apparatus according to claim 1, wherein the selected components comprise at least one of gasses, particulates, solutes, molecules, or hydrocarbons. 6. The apparatus according to claim 1, wherein said source of said fluid is configured to provide a pressurized flow of said fluid. 7. A method for separating selected components from a fluid, comprising: directing said fluid to at least one first sheet of graphene, said at least one first sheet of graphene with plural perforated apertures having a desired size to allow passage of the fluid and to disallow passage of the selected components in the fluid, said at least one first sheet of graphene having a first side and a second side opposite the first side; anddirecting said fluid along a flow path substantially parallel to said at least one first sheet of graphene, the fluid flowing on to a first surface of the first side of said at least one first sheet of graphene so that a portion of the fluid flows to the second side of said at least one first sheet of graphene through said plural perforated apertures while the disallowed selected components in the fluid are prevented from flowing through the perforated apertures,wherein a length of a flow path through the apertures of a sheet of the at least one first sheet of graphene is equal to a thickness of the sheet of the at least one first sheet of graphene;at least one second sheet of graphene being within a same housing and separated from the at least one first sheet of graphene, allowing the passage of fluid passing through the first sheet of graphene to pass through the second sheet of graphene and disallow passage of second selected components;wherein apertures in the at least one first sheet of graphene have a different size than apertures the at least one second sheet of graphene; andremoving the fluid passing through the at least one second sheet of graphene, and the disallowed components from the first and second graphene sheets. 8. The method according to claim 7, wherein said plural perforated apertures are sized in a range of 0.6 to 1.2 nanometers. 9. The method according to claim 7, wherein a supporting membrane is disposed on a side of said at least one first sheet of graphene opposite said flow path, said supporting membrane selected from the group consisting of polytetrafluoroethylene, perforated polycarbonate film, and sintered porous metal, said supporting membrane perforated with a plurality of apertures. 10. The method according to claim 7, wherein said apertures are nominally spaced apart by 45 nanometers. 11. The method according to claim 7, wherein the selected components comprise at least one of gasses, particulates, solutes, molecules, or hydrocarbons. 12. The method according to claim 7, wherein directing said fluid along a flow path comprises directing a pressurized fluid. 13. A separation apparatus, comprising: a housing;at least one first sheet of graphene, within the housing, with plural perforated apertures having a desired size to allow passage of a fluid and to disallow passage of selected components in the fluid, said at least one first sheet of graphene having a first side and a second side opposite the first side;a source of said fluid directing said fluid along a flow path, the fluid flowing on to a first surface of the first side of said at least one first sheet of graphene so that a portion of the fluid flows to the second side of said at least one first sheet of graphene through said plural perforated apertures while the disallowed selected components in the fluid are prevented from flowing through the perforated apertures,wherein a length of a flow path through the apertures of a sheet of the at least one first sheet of graphene is equal to a thickness of the sheet of the at least one first sheet of graphene; andat least one second sheet of graphene within the housing, and separated from the at least one first sheet of graphene, allowing the passage of fluid passing through the first sheet of graphene to pass through the second sheet of graphene and disallow passage of second selected components;wherein apertures in the at least one first sheet of graphene have a different size than apertures in the at least one second sheet of graphene; wherein the housing is provided with a fluid inlet and fluid outlets for removing the disallowed components and the fluid treated. 14. A method for separating selected components from a fluid, comprising: directing said fluid to at least one sheet of graphene, said at least one first sheet of graphene with plural perforated apertures having a desired size to allow passage of the fluid and to disallow passage of the selected components in the fluid, said at least one first sheet of graphene having a first side and a second side opposite the first side;directing said fluid along a flow path, the fluid flowing on to a first surface of the first side of said at least one first sheet of graphene so that a portion of the fluid flows to the second side of said at least one first sheet of graphene through said plural perforated apertures while the disallowed selected components in the fluid are prevented from flowing through the perforated apertures;wherein a length of a flow path through the apertures of a sheet of the at least one sheet of graphene is equal to a thickness of the sheet of the at least one first sheet of graphene;providing at least one second sheet of graphene within a same housing as, and separated from, the at least one first sheet of graphene, allowing the passage of fluid passing through the first sheet of graphene to pass through the second sheet of graphene and disallow passage of second selected components;wherein apertures in the at least one first sheet of graphene have a different size than apertures in the at least one second sheet of graphene; andremoving the fluid passing through the at least one second graphene sheet, and the disallowed components from the first and second at least one graphene sheets.
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