Liquid purification or separation – Particulate material type separator – e.g. – ion exchange or... – With rehabilitation means
Patent
1993-05-24
1995-03-28
Nessler, Cynthia L.
Liquid purification or separation
Particulate material type separator, e.g., ion exchange or...
With rehabilitation means
210274, 210275, 210292, B01D 2414
Patent
active
054014050
ABSTRACT:
In a travelling bridge filtration system including a tank divided into a plurality of adjacent filter cells, each of the cells containing filter media, a travelling bridge carriage located above the tank and movable along the tank, the carriage supporting a backwash hood engageable with each of the filter cells, the improvement comprising a liquid backwash pump for causing backwash liquid to flow through the cell in a first backwash direction counter to a second filtration direction, and for causing backwash air to be drawn into the cell and to flow in the first direction with the backwash liquid.
REFERENCES:
patent: 317457 (1885-05-01), Hodgkin et al.
patent: 607155 (1898-07-01), Bleakly et al.
patent: 647780 (1900-04-01), Wilson
patent: 668127 (1901-02-01), Hodkinson
patent: 722581 (1903-03-01), Hodkinson
patent: 1604379 (1919-05-01), Blaisdell
patent: 2559784 (1951-07-01), Moore
patent: 3587975 (1971-06-01), Moffett
patent: 4082664 (1978-04-01), Lindstol
patent: 4118322 (1978-10-01), San Roman
patent: 4152265 (1979-05-01), Meyers
patent: 4211656 (1980-07-01), Cochrane
patent: 4377485 (1983-03-01), Krofta
patent: 4450077 (1984-05-01), Black et al.
patent: 4450487 (1985-09-01), Johnson et al.
patent: 4454034 (1984-06-01), Astrom et al.
patent: 4624783 (1986-11-01), Black et al.
patent: 4626345 (1986-12-01), Krofta
patent: 4659463 (1987-04-01), Chandler et al.
patent: 4859330 (1989-08-01), Pauwels
patent: 4957631 (1990-09-01), Pauwels
patent: 4988439 (1991-01-01), Medders, II
patent: 5032294 (1991-07-01), Schulz
patent: 5078873 (1992-01-01), Black et al.
patent: 5167840 (1992-12-01), Jaccarino
patent: 5232585 (1993-08-01), Kanow
"Water Quality and Treatment", American Water Works Association, 4th Edition, pp. 518-521.
"Wastewater Engineering: Treatment Disposal Reuse'", Metcalf & Eddy, Inc., 2nd. Edition, pp. 367, 368.
Davis Water & Waste Industries, Inc.
Nessler Cynthia L.
LandOfFree
Combined air/water backwash in a travelling bridge filter does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Combined air/water backwash in a travelling bridge filter, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Combined air/water backwash in a travelling bridge filter will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2248138