Liquid purification or separation – With means to add treating material – With distinct reactor tank – trough or compartment
Patent
1975-12-17
1978-05-16
Lutter, Frank W.
Liquid purification or separation
With means to add treating material
With distinct reactor tank, trough or compartment
210522, 210519, B01D 2110, B01D 2101
Patent
active
040897826
ABSTRACT:
Various improvements in a clarifier having inclined flow passages, the clarifier being capable of reversible operation wherein liquid to be clarified may be selectively caused to flow either upwardly or downwardly through the flow passages. The clarifier has channels adjacent the tops of the flow passages for collecting a relatively low density phase and a unique flow control trough simultaneously regulating liquid flow through a manifold above the flow passages while also forming an outlet passage for the low density phase. A vertical flow manifold with an overflow arrangement regulates flow between the lower ends of the flow passages and a flow conduit external of the clarifer. Means at either end of the flow channels may collect multiple phases, an intermediate phase preferably being recycled to improve either the rate or quality of clarification. Finally, the clarifier includes a combined support structure and flocculating chamber as well as a seal arrangement for facilitating mounting of the inclined plates within the housing. The clarifier is operable in a downflow mode with one or more low density phases being removed at the top of the inclined passages.
REFERENCES:
patent: 3182799 (1965-05-01), Krofta
patent: 3552554 (1971-01-01), Olgard
patent: 3687298 (1972-08-01), Rozkydalek
patent: 3782557 (1974-01-01), Pielkenrood
patent: 3794167 (1974-02-01), Olgard et al.
patent: 3797668 (1974-03-01), Pielkenrood et al.
patent: 3813851 (1974-06-01), Eder
patent: 3837501 (1974-09-01), Pielkenrood
patent: 3894955 (1975-07-01), Forsell
patent: 3919084 (1975-11-01), Bebech
patent: 3951817 (1976-04-01), Snyder
Chiesa Richard L.
Lutter Frank W.
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