Floating decanter

Details Floating decanter Floating decanter

2006-04-11

2006-04-11

Upton, Christopher (Department: 1724)

Liquid purification or separation

Processes

Including controlling process in response to a sensed condition

C210S745000, C210S776000, C210S104000, C210S122000, C210S242100, C210S540000

Reexamination Certificate

active

07025888

ABSTRACT:
A floating decanter and method for charging supernatant from a vesel without drawing floating solids or scum into the discharge. The decanter includes a weir (16) having a central opening, and a solid bottom side, a float (12) adjacent to an outer edge of the weir, a weir lift and drive (14) having at least two screw jacks (20) attached to the float and a attachment arm (26) extending to the weir, and an discharge pipe (32) attached to the bottom of the weir. The weir is lowered with respect to the float to discharge supernatant.

REFERENCES:
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patent: 4695376 (1987-09-01), Astrom et al.
patent: 4728440 (1988-03-01), van Kuijeren
patent: 4867872 (1989-09-01), Russell et al.
patent: 4956100 (1990-09-01), Mikkleson
patent: 5104528 (1992-04-01), Christie
patent: 5108591 (1992-04-01), Hagan
patent: 5118412 (1992-06-01), Schmidt
patent: 6224753 (2001-05-01), Marbach
patent: 6277273 (2001-08-01), Gore et al.

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