Liquid purification or separation – Structural installation – Geographic
Patent
1997-03-04
1998-05-05
Upton, Christopher
Liquid purification or separation
Structural installation
Geographic
210519, 210521, 2105321, 210539, B01D 2102
Patent
active
057469121
ABSTRACT:
A wastewater treatment installation includes at least two tank units having portions located in juxtaposed relation, the units being secured in such position. An inlet to the first tank unit communicates with a drop pipe connecting the inlet to a liquid delivery structure intermediate the top and bottom of the first tank unit, and located diametrically opposite the respective portion. The liquid delivery structure ejects liquid tangentially in opposite directions along the side wall of the first tank unit. An outlet from the second tank unit (or the last of a series of units) is located opposite the respective portion, and an outlet riser pipe connects the outlet to an intake opening, which is located intermediate the top and bottom of the second tank unit. A transfer opening at the juxtaposed portions connects each adjacent pair of tank units, and a diversion fitting associated with the opening between the tanks ensures that most of the liquid entering the second tank unit is ejected tangentially in opposite directions along the side wall of the second tank unit. This reduces the likelihood of scouring and discharging settled materials at the bottom of the tank units, and also the ejection of floating materials (oil, grease, etc.) captured in the tank units above the general level of the lower ends of the inlet drop pipe and the outlet riser pipe.
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Stormceptor Canada Inc.
Upton Christopher
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