High concentration bleach generator apparatus, system and method of use
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C25B-001/46
C25B-001/26
C02F-001/461
C02F-001/467
C25B-015/02
C25B-013/04
출원번호
US-0717407
(2015-05-20)
등록번호
US-10077197
(2018-09-18)
발명자
/ 주소
Anderson, Michael J.
Smith, Clint B.
Fisher, Andmorgan R.
Ly, Tung
출원인 / 주소
THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE ARMY
대리인 / 주소
Jones, Brian C.
인용정보
피인용 횟수 :
0인용 특허 :
16
초록▼
The present invention provides a high concentration bleach generator apparatus and a system and method for its use. The apparatus includes a housing containing brine, anionic and cationic chambers. Electrodes in the anionic and cationic chambers separate salt from brine into hydrogen gas, chlorine g
The present invention provides a high concentration bleach generator apparatus and a system and method for its use. The apparatus includes a housing containing brine, anionic and cationic chambers. Electrodes in the anionic and cationic chambers separate salt from brine into hydrogen gas, chlorine gas and an alkali and alkaline hydroxide mass. The hydrogen gas vents through a hydrogen selective membrane. A pump conveys the chlorine gas to the cationic chamber, where it combines with the alkali and alkaline hydroxide mass to form a bleach solution. Users can draw off the bleach and use it to disinfect water. The system also provides a system housing, a larger brine reservoir and a data processor allowing a user to select a desired bleach concentration for production.
대표청구항▼
1. A high concentration bleach generator apparatus comprising: a housing, wherein said housing substantially encloses a brine chamber, an anionic chamber and a cationic chamber;said brine chamber comprising a brine inlet, wherein said brine chamber is substantially surrounded by said anionic chamber
1. A high concentration bleach generator apparatus comprising: a housing, wherein said housing substantially encloses a brine chamber, an anionic chamber and a cationic chamber;said brine chamber comprising a brine inlet, wherein said brine chamber is substantially surrounded by said anionic chamber and said cationic chamber,said anionic chamber comprising an anode electrode, an anionic chamber outlet and an anionic exchange membrane separating said anionic chamber from said brine chamber;said cationic chamber comprising a cathode electrode, a cationic chamber inlet, a cationic chamber outlet and a cationic exchange membrane separating said cationic chamber from said brine chamber;a hydrogen selective membrane in contact with at least said cationic chamber and an outside of said housing; andan electrical power source operatively connected to said anode electrode and to said cathode electrode. 2. The apparatus of claim 1 wherein at least one of said anode electrode and said cathode electrode comprises material selected from the group consisting of: steel, titanium, superconductors, noble metals, and alloys or oxides thereof. 3. The apparatus of claim 1 wherein at least one of said anode electrode and said cathode electrode has a surface area to volume ratio ranging from approximately 100:1 to approximately 1,000,000:1. 4. The apparatus of claim 1 wherein at least one of said anode electrode and said cathode electrode has a solid construction. 5. The apparatus of claim 1 wherein at least one of said anode electrode and said cathode electrode has a non-solid construction. 6. The apparatus of claim 5 wherein at least one of said anode electrode and said cathode electrode has porous mesh or highly interconnected foam-like construction. 7. The apparatus of claim 1 wherein at least one of said anode electrode and said cathode electrode has a shape selected from the group consisting of: flat plates, coaxial plates, rods, circular, spiral and a combination thereof. 8. The apparatus of claim 1 wherein said hydrogen selective membrane is a sulfonated tetrafluoroethylene based fluoropolymer-copolymer. 9. The apparatus of claim 1 wherein said hydrogen selective membrane has a tensile strength of greater than or equal to approximately 14 psi. 10. The apparatus of claim 1 wherein said hydrogen selective membrane further comprises a membrane cover having an apertured, woven, lattice or mesh configuration. 11. The apparatus of claim 1 wherein said hydrogen selective membrane is positioned at the top of said housing. 12. The apparatus of claim 1 wherein said hydrogen selective membrane is positioned at the side of said housing. 13. The apparatus of claim 1 further comprising a pump operatively coupled between said anionic chamber outlet and said cationic chamber inlet, wherein said pump is configured to pump a chlorine gas stream into said cationic chamber. 14. The apparatus of claim 13 wherein said chlorine gas stream has a partial pressure ranging from approximately 94 percent to approximately 95 percent of a total gas pressure within said apparatus. 15. The apparatus of claim 1 further comprising a hydrogen stream, wherein said hydrogen gas stream has a partial pressure ranging from approximately 6 percent to approximately 5 percent of a total gas pressure within said apparatus. 16. A high concentration bleach generator system comprising: at least one high concentration bleach generator apparatus comprising: a housing, wherein said housing substantially encloses a brine chamber, an anionic chamber and a cationic chamber,said brine chamber comprising a brine inlet, wherein said brine chamber is substantially surrounded by said anionic chamber and said cationic chamber,said anionic chamber comprising an anode electrode, an anionic chamber outlet and an anionic exchange membrane separating said anionic chamber from said brine chamber,said cationic chamber comprising a cathode electrode, a cationic chamber inlet, a cationic chamber outlet and a cationic exchange membrane separating said cationic chamber from said brine chamber,a hydrogen selective membrane in contact with at least said cationic chamber and an outside of said housing, andan electrical power source operatively connected to said anode electrode and to said cathode electrode;a system housing having a reservoir port operatively coupled to a fill port of at least one brine reservoir, a bleach port operatively coupled to said cationic chamber outlet and a hydrogen vent, wherein said housing substantially encloses said at least one high concentration bleach generator apparatus and said at least one brine reservoir;said at least one brine reservoir having at least one reservoir outlet port operatively coupled to said brine inlet and an equalization port open to atmosphere; anda data processor having a user interface and a timer. 17. The system of claim 16, wherein said hydrogen vent comprises a one-way valve. 18. The system of claim 16, wherein said data processor is configured with software to calculate and transmit to said timer an amount of time required to produce a bleach concentration entered on said user interface, wherein said data processor is configured with software to calculate and control a voltage of said electrical power source required to produce said bleach concentration entered on said user interface. 19. The system of claim 16, wherein said timer operatively interconnects said electrical power source to said high concentration bleach generator. 20. A method for creating bleach using a high concentration bleach generator apparatus, comprising the steps of: receiving a volume of brine into a brine inlet of a brine chamber substantially surrounded by an anionic chamber and a cationic chamber, wherein said brine chamber, said anionic chamber and said cationic chamber are substantially enclosed by a housing;providing electrical power from an electrical power source to an anode electrode in said anionic chamber and to a cathode electrode in said cationic chamber, wherein said electrical power source is operatively connected to said anode electrode and to said cathode electrode;selectively allowing passage of negatively charged ions from said brine chamber to said anionic chamber through an anionic exchange membrane separating said anionic chamber from said brine chamber;selectively allowing passage of positively charged ions from said brine chamber to said cationic chamber through a cationic exchange membrane separating said cationic chamber from said brine chamber;conveying a chlorine gas stream from an anionic chamber outlet of said anionic chamber into cationic chamber inlet of said cationic chamber via a pump;diffusing a hydrogen gas stream from said high concentration bleach generator apparatus through a hydrogen selective membrane in contact with at least said cationic chamber and an outside of said housing; andcombining said chlorine gas stream with an alkali and alkaline hydroxide mass in said cationic chamber to a create bleach stream.
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