High efficiency ion exchange system for removing arsenic from water
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IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01J-049/00
B01D-061/00
출원번호
US-0999606
(2001-10-25)
발명자
/ 주소
Jensen, Peter L.
Guter, Gerald A.
Ziol, Dan
대리인 / 주소
Swiss Law Group LLC
인용정보
피인용 횟수 :
15인용 특허 :
5
초록▼
The disclosed invention is a fixed bed ion exchange system from removing arsenic from water. It employs a combination of electronically controlled process steps and specific systems configurations to duplicate the effects of moving resin beds from one operating position to another as is required in
The disclosed invention is a fixed bed ion exchange system from removing arsenic from water. It employs a combination of electronically controlled process steps and specific systems configurations to duplicate the effects of moving resin beds from one operating position to another as is required in moving bed ion exchange water purification systems. The invention combines features of single fixed bed ion exchange systems with those of a moving bed system.
대표청구항▼
The disclosed invention is a fixed bed ion exchange system from removing arsenic from water. It employs a combination of electronically controlled process steps and specific systems configurations to duplicate the effects of moving resin beds from one operating position to another as is required in
The disclosed invention is a fixed bed ion exchange system from removing arsenic from water. It employs a combination of electronically controlled process steps and specific systems configurations to duplicate the effects of moving resin beds from one operating position to another as is required in moving bed ion exchange water purification systems. The invention combines features of single fixed bed ion exchange systems with those of a moving bed system. it, the ramp (28) drops toward the opening (26) in the discharge channel (24) in the direction of screwing on the cover (4). 5. A liquid filter according to claim 1, characterized in that at least one guide contour (36) is formed in at least one section of the ramp (28) containing the lower end of the ramp (28) and located radially next to the contact zone (30) of the ramp (28), and this guide contour projects axially beyond the contact zone (30) of the ramp (28) toward the receiving area (3). 6. A liquid filter according to claim 5, characterized in that two radially opposite guide contours (36) are provided, with the contact zone (30) of the ramp (28) running between them. 7. A liquid filter according to claim 5, characterized in that the guide contours (36) have an insertion flank (42) on one end facing away from the opening (26) in the discharge channel (24). 8. A liquid filter according to claim 5, characterized in that several ramp sections having one or two parallel guide contours (36) are provided along the length of the ramp. 9. A liquid filter according to claim 1, characterized in that a projection (39) extending axially away from the pin (25) is formed on an end (38) of the pin (25) facing the ramp (38), its axially free end (40) forming the contact zone (29) of the pin (25). 10. A liquid filter according to claim 9, characterized in that two radially opposite guide contours (36) are formed in at least one section of the ramp (28) containing the lower end of the ramp with the contact zone (30) of the ramp (28) running between them, and the projection (39) is thinner in the radial direction than the radial distance between the two radially opposed guide contours (36). 11. A liquid filter according to claim 9, characterized in that two radially opposite guide contours (36) are formed in at least one section of the ramp (28) containing the lower end of the ramp with the contact zone (30) of the ramp (28) running between them, and the projection (39) is longer in the axial direction than the axial distance between the contact zone (30) of the ramp (28) and an upper end (41) of the guide contours (36). 12. A liquid filter according to claim 1, characterized in that the contact zone (30) of the ramp (28) is wider in the radial direction than the contact zone (29) of the pin (25). 13. A liquid filter according to claim 1, characterized in that the pin (25) is mounted on the lower end disk (21) in a radially flexible manner. 14. A liquid filter according to claim 1, characterized in that a tapering end section (43) formed on the axially free end of the pin (35) has the contact zone (29) of the pin (25). 15. A liquid filter according to claim 1, characterized in that the contact zone (29) of the pin (25) is designed as a spot or a line. 16. A liquid filter according to claim 1, characterized in that the pin (25) has a rounded or inclined flank (45) on its axially free end on the side which leads when the pin (25) slides along the ramp (28). 17. A liquid filter according to claim 1, characterized in that the pin (25) is mounted so it is axially adjustable on the lower end disk (21) and/or the ring-shaped filter insert (9) is axially adjustable on the cover (4). 18. A liquid filter according to claim 17, characterized in that spring means (47, 48) are provided which apply tension to the pin (25) and/or the ring-shaped filter insert (9) in the direction of the ramp (28). 19. A liquid filter according to claim 1, characterized in that the filter housing (2) can be sealed with a screw-on cover (4), retaining means (5, 7, 8, 15) are provided with which the ring-shaped filter insert (9) can be mounted on the cover (4) so it can rotate about its longitudinal axis (14) and is secured axially, the retaining means have catch hooks (7) which extend essentially axially and have a radial flexibility, the retaining means have a radially projecting ring-shaped shoulder (15) on which the catch hooks (7) engage when the ring-shape d filter insert (9) is placed on the cover (4), an upper end disk (17) has a central orifice on whose edge are arranged a gasket (16) and a ring-shaped collar (13), a central ring (6) mounted on the cover (4) is arranged coaxially with the ring-shaped collar (13) when the ring-shaped filter insert (9) is placed on the cover (4), and the gasket (16) forms a seal radially between the ring (6) and the ring-shaped collar (13). 20. A liquid filter according to claim 19, characterized in that the elements of the retaining means arranged on the ring-shaped filter insert (9) are designed axially and radially in the interior space (11) of the ring-shaped filter insert (9). 21. A liquid filter according to claim 19, characterized in that the elements of the retaining means arranged on the ring-shaped filter insert (9) are designed on an inner frame (12) of the ring-shaped filter insert (9). 22. A liquid filter according to claim 21, characterized in that the elements of the retaining means arranged on the ring-shaped filter insert (9) are manufactured in one piece with the inner frame (12). 23. A liquid filter according to claim 19, characterized in that the elements of the retaining means arranged on the ring-shaped filter insert (9) are formed on the upper end disk (17) of the ring-shaped filter insert (9). 24. A liquid filter according to claim 23, characterized in that the elements of the retaining means arranged on the ring-shaped filter insert (9) are manufactured in one piece with the upper end disk (17).
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이 특허에 인용된 특허 (5)
Mukhopadhyay, Debasish, Method and apparatus for high efficiency reverse osmosis operation.
Venkatesh K. Raman ; Cobes Eve R. ; Jennings Dale Lee ; Wagner Norman J., Process for the removal and destruction of perchlorate and nitrate from aqueous streams.
Burba, III, John L.; Hassler, Carl R.; O'Kelley, C. Brock; Lupo, Joseph A.; Pascoe, Joseph R., Apparatus for treating a flow of an aqueous solution containing arsenic.
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