Liquid purification or separation – Gravitational separator – Lighter constituent trap
Patent
1997-09-11
1999-10-12
Upton, Christopher
Liquid purification or separation
Gravitational separator
Lighter constituent trap
210541, 210528, B01D 2124
Patent
active
059650230
ABSTRACT:
A cover apparatus for inhibiting the growth of algae on the fluid-contacting surfaces of a water treatment tank and for capturing noxious gases, the tank including a central influent, at least one substantially vertical peripheral wall having an upper and interior surface, a peripheral baffle having inside and outside surfaces, a substantially vertical weir, a spillway, and a launder channel having a width. The cover apparatus includes at least one panel member positionable over at least a portion of the launder channel to prevent light from reaching interior surfaces thereof. In an embodiment of the present invention, alternating covers are provided with a molded recess so that the covers may be mounted in end-to-end alignment to form a substantially sealed launder channel region.
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NEFCO Inc.
Upton Christopher
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