Liquid purification or separation – Gravitational separator – Superposed compartments or baffles – e.g. – parallel plate type
Reexamination Certificate
2006-05-16
2006-05-16
Upton, Christopher (Department: 1724)
Liquid purification or separation
Gravitational separator
Superposed compartments or baffles, e.g., parallel plate type
C210S532100, C210S534000, C210S540000, C210SDIG009
Reexamination Certificate
active
07044308
ABSTRACT:
An apparatus for the removal of suspended solids and entrained oil from an aqueous solution is disclosed. The apparatus comprises a vessel having a top, bottom, side walls and end walls, with a flow inlet aperture at an upstream end and a flow outlet aperture at a downstream end. A first baffle extends downwardly from the top of the vessel downstream of the inlet and a second baffle extends upwardly from the bottom of the vessel downstream of the first baffle, with a first hopper for solids collection located upstream of the second baffle and a second hopper downstream of the second baffle. A removable coalescing media pack is located downstream of the second hopper, while a plurality of angled plates are located downstream of the coalescing media pack. A third baffle extends downwardly from a position proximate to the top of the vessel downstream of the angled plates, a fourth baffle extends upwardly downstream of the third baffle, while a fifth baffle extends downwardly between the fourth baffle and the outlet. A third hopper is located in upstream of the fourth baffle and a fourth hopper is located downstream of the fourth baffle. A chamber for the collection of oil is located in the top of the vessel between the third and fifth baffles.
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