IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
|
출원번호 |
US-0710509
(2000-11-09)
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발명자
/ 주소 |
- Edvardsson, Christina
- Edvardsson, Tomas
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출원인 / 주소 |
|
대리인 / 주소 |
Knobbe, Martens, Olson & Bear
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인용정보 |
피인용 횟수 :
11 인용 특허 :
5 |
초록
▼
Disclosed are waste processing systems capable of being used on-board a transport such as a train, bus, airplane, boat, or other similar vehicles. The liquid waste is evaporated and condensed primarily as water vapor. The resulting liquid may be safely discharged in most places without adverse envir
Disclosed are waste processing systems capable of being used on-board a transport such as a train, bus, airplane, boat, or other similar vehicles. The liquid waste is evaporated and condensed primarily as water vapor. The resulting liquid may be safely discharged in most places without adverse environmental and health effects. If desired, the liquid can be stored and reused for non-potable applications such as toilet flushing. The solid waste is converted to inert ash or carbon and may be either stored in a filter or discharged as carbon or ash into the water, air, or onto the railroad tracks. The system may also be used in stationary or semi-stationary applications where on-site treatment of waste may be desired.
대표청구항
▼
Disclosed are waste processing systems capable of being used on-board a transport such as a train, bus, airplane, boat, or other similar vehicles. The liquid waste is evaporated and condensed primarily as water vapor. The resulting liquid may be safely discharged in most places without adverse envir
Disclosed are waste processing systems capable of being used on-board a transport such as a train, bus, airplane, boat, or other similar vehicles. The liquid waste is evaporated and condensed primarily as water vapor. The resulting liquid may be safely discharged in most places without adverse environmental and health effects. If desired, the liquid can be stored and reused for non-potable applications such as toilet flushing. The solid waste is converted to inert ash or carbon and may be either stored in a filter or discharged as carbon or ash into the water, air, or onto the railroad tracks. The system may also be used in stationary or semi-stationary applications where on-site treatment of waste may be desired. to a point below said predetermined liquid level in the container (60) or to deliver said water through the outlet (84,P2,84,V4,12) for water having the predetermined concentration of ozone. 7. A mixing device for establishing a liquid-gas mixture, comprising: a liquid inlet (1), a gas inlet (2) and a liquid-gas mixture outlet (3), and a conduit (9) for joining said liquid inlet (1) and said liquid-gas mixture outlet (3), characterized by a porous member (5), at least at the upstream end of the porous member (5) being in scaling contact with the inner walls of said conduit (9), said porous member (5) having a first surface being in contact with the liquid and second surface being in contact with the gas, the dimensions of said conduit (9) being such that a pressure difference is created in the liquid before and after said member (5) such that the gas is made to diffuse through said porous member (5), characterized in said porous member (5) exhibiting a through-bore (7) essentially co-axial with said conduit (9), the bore (7) constituting a constriction of the conduit (9), the inside walls of said through-bore (7) constituting said first surface, said inner wall having an essentially circumferential recess formed in the inner walls of the conduit essentially along the porous member (5) said recess connected with the gas inlet (2) giving the gas access to the outside of the porous member, said outside constituting said second surface. 8. A mixing means according to claim 7, characterized in said porous member (5) exhibiting a blind-bore (7), the blind-bore (7) communicating with the gas inlet (2), the inside walls of the blind-bore (7) thus constituting said second surface, the outer surface of the porous member (5) constituting said first surface in contact with the liquid, said porous member (5) constituting a constriction of the conduit (9). 9. A method for production of active water, water having dissolved ozone therein, characterized by the following steps: feeding filtered and de-mineralized water to a container to a predetermined level; re-circulating the water from the bottom of said container through a conduit comprising pumping means and mixing means; dissolving ozone gas in said re-circulated water in said mixing means under controlled inlet flows; feeding said water having dissolved ozone to said container, measuring the instant ozone concentration of said water having dissolved ozone; said water having dissolved ozone re-circulated through the mixing means under addition of further ozone in dependence of said measurement of the ozone concentration; said last step repeated when the measured ozone concentration is below a predetermined value. 10. A method according to claim 9, characterized by said method also comprising the step of re-circulating the water having dissolved ozone through a separate conduit in which the ozone concentration measurements are made and from which conduit withdrawal of the water having the predetermined concentration of ozone can be done. 11. A method according to claim 9 or 10, characterized by the water used being used according to the method being filtered and de-mineralized such that the water exhibits a conductivity preferably <80 μS/cm. 12. A method according to claim 11, characterized by the water used being used according to the method being filtered and de-mineralized such that the water exhibits a quality called soft water, and the preferred pH-interval is 2-4 pH units. 13. A method for detection of bacteria or other living matter comprising the step of supplying water, having dissolved ozone therein of a known first concentration, said water prepared according to claim 12, to an object, measuring the ozone concentration in said water as said water is removed from the object to determine a second concentration, the difference between the first and second concentration being a measure of the amount of bacteria or other living matter present on or in said object
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