IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
|
출원번호 |
US-0025194
(2001-12-19)
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발명자
/ 주소 |
- Sweeny, Philip Gerdon
- Harvey, James Howard
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출원인 / 주소 |
|
대리인 / 주소 |
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인용정보 |
피인용 횟수 :
4 인용 특허 :
3 |
초록
▼
A continuous method is provided for dissolving a solid oxidizer into an aqueous solution which yields a stream of the aqueous solution having a constant or near constant concentration of solid oxidizer. The method of the present invention includes (a) disposing a bed of solid oxidizer into a contain
A continuous method is provided for dissolving a solid oxidizer into an aqueous solution which yields a stream of the aqueous solution having a constant or near constant concentration of solid oxidizer. The method of the present invention includes (a) disposing a bed of solid oxidizer into a container; (b) introducing an aqueous solution below the top surface of the bed; and (c) removing any solution above the top surface of the bed while maintaining a constant or near constant level of aqueous solution above the bed. Preferably, step (c) is performed at about atmospheric pressure. This method can be achieved with a feeder that includes a tank for containing a bed of solid oxidizer and a disperser for introducing the aqueous solution into the tank. A sensor/control unit is provided for sensing a combined bed and aqueous solution volume within the tank and maintaining the combined volume within a predetermined range.
대표청구항
▼
A continuous method is provided for dissolving a solid oxidizer into an aqueous solution which yields a stream of the aqueous solution having a constant or near constant concentration of solid oxidizer. The method of the present invention includes (a) disposing a bed of solid oxidizer into a contain
A continuous method is provided for dissolving a solid oxidizer into an aqueous solution which yields a stream of the aqueous solution having a constant or near constant concentration of solid oxidizer. The method of the present invention includes (a) disposing a bed of solid oxidizer into a container; (b) introducing an aqueous solution below the top surface of the bed; and (c) removing any solution above the top surface of the bed while maintaining a constant or near constant level of aqueous solution above the bed. Preferably, step (c) is performed at about atmospheric pressure. This method can be achieved with a feeder that includes a tank for containing a bed of solid oxidizer and a disperser for introducing the aqueous solution into the tank. A sensor/control unit is provided for sensing a combined bed and aqueous solution volume within the tank and maintaining the combined volume within a predetermined range. to claim 2, wherein the plates in the plate package are made of metal. 6. The apparatus according to claim 2, wherein the plate package comprises 30-60 parallel fixed plates, each plate having a surface of 2 dm2. 7. The apparatus according to claim 2, wherein the distribution chamber comprises a wire grid for further elimination of particles. 8. The apparatus according to claim 2, further comprising a third perforated plate upstream of said perforated wall and downstream of said plate package. 9. An apparatus for separation of particles from a liquid, comprising: a container having an inlet for particle contaminated liquid; pre-settling zone in communication with said inlet for settling of coarser particles; a distribution chamber in communication with said pre-settling zone for uniform distribution of liquid flow into a fine settling zone communicating with an outlet for purified liquid, said fine settling zone comprising at least one plate package comprising a plurality of parallel fixed plates, stacked horizontally and having spacings between each other ranging from 1 to 5 mm, each fixed plate having at least on a top surface a plurality of bumps and recesses, wherein the container has a lid and a bottom, and sealing means are provided between the lid and the plate package, and between the bottom and the plate package, whereby all liquid flow occurs through the plate spacings between the parallel fixed plates. 10. An apparatus for separation of particles from a liquid, comprising: a container having an inlet for particle contaminated liquid; a pre-settling zone in communication with said inlet for settling of coarser particles; a distribution chamber in communication with said pre-settling zone for uniform distribution of liquid flow into a fine settling zone communicating with an outlet for purified liquid, said fine settling zone comprising at least one plate package comprising a plurality of parallel fixed plates, stacked horizontally, each fixed plate having at least on a top surface a plurality of bumps and recesses; a first perforated element separating the pre-settling zone from the distribution chamber; a second perforated element separating the distribution chamber from the fine settling zone; and a perforated wall between the fine settling zone and the outlet, said perforated wall having a total hole area which is substantially smaller than a total hole area of each of said perforated elements. 11. The apparatus according to claim 10, further comprising a third perforated plate upstream of said perforated wall and downstream of said plate package. 12. The apparatus according to claim 10, wherein the plates in the plate package are made of metal. 13. The apparatus according to claim 10, wherein the plate package comprises 30-60 parallel fixed plates, each plate having a surface of 2 dm2. 14. The apparatus according to claim 10, wherein the distribution chamber comprises a wire grid for further elimination of particles. 15. The apparatus according to claim 10, wherein the container has a lid and a bottom, and sealing means are provided between the lid and the plate package, and between the bottom and the plate package, whereby all liquid flow occurs through the plate spacings between the parallel fixed plates. 16. The apparatus according to claim 10, wherein each fixed plate in the plate package has at least one hole for filling packing pieces when the plate package is placed in the container, and the plate spacings between the plates are filled with packing pieces having a size of no more than 5 mm. 17. The apparatus according to claim 16, wherein the packing pieces consist of plastic granules having a density of less than 1 g/cm3. 266, 19910500, Soeder et al., 210/605; US-5342522, 19940800, Marsman et al., 210/605; US-5531896, 19960700, Tambo et al., 210/605; US-5626755, 19970500, Keyser et al., 210/614; US-5650069, 19970700, Hong et al., 210/605; US-5658458, 19970800, Keyser et al., 210/195.1; US-5733456, 19980300, Okey et al., 210/605; US-5833856, 19981100, Liu et al., 210/605; US-5846424, 19981200, Khudenko, 210/603; US-5919367, 19990700, Khudenko, 210/605; US-6004463, 19991200, Swett, 210/614; US-6054044, 20000400, Hoffland et al., 210/096.1; US-6066256, 20000500, Henry et al., 210/614
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