Liquid purification or separation – With means to add treating material – Plural distinct separators
Patent
1996-07-26
1998-04-21
Upton, Christopher
Liquid purification or separation
With means to add treating material
Plural distinct separators
210220, 210299, 2105322, 210605, C02F 330
Patent
active
057414173
ABSTRACT:
A system for treating wastewater using the activated sludge biological process by retaining and degrading biodegradable coarse solids. A receiving well contains both a pre-separator stage and an activation chamber arranged one after the other in a direction of through-flow. The preseparator stage has a sand catcher located at the bottom for receiving undegradable solids. A partition is disposed within the receiving well between the pre-separator stage and the activation chamber. A lower section of the partition is a wall separating the sand catcher from the activation chamber. At least a portion of the upper section of the partition is a screen that is inclined with respect to a vertical line, into the activation chamber by greater than 0.degree. up to 30.degree. to widen a space of said pre-separator stage above the sand catcher.
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Din No. 4261 Part II Jun. 1984.
Luddeke Jurgen
Patzig Jurgen
List Abwassertechnik GmbH
Upton Christopher
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