Liquid purification or separation – Gravitational separator – Material supply distributor
Patent
1994-06-29
1996-04-02
Upton, Christopher
Liquid purification or separation
Gravitational separator
Material supply distributor
210521, 210540, B01D 2102
Patent
active
055037470
ABSTRACT:
Device for treating waste water, especially rainwater by jointly carrying out degritting, degreasing and settling, which includes a degritter fitted with a grit trough, passed through by a descending then ascending flow of the water to be treated, a degreasing surface provided above a part of the degritter and the feed region of the settling tank, and a settling tank which includes a feed or presettling basin, a floor, a laminar settling region and an extraction trough, wherein the partition separating the degritter from the settling tank includes a flap valve making it possible, when it is open, to transfer the untreated water without perturbation towards the settling tank, and therefore allowing correct settling during this filling phase.
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patent: 5021153 (1991-06-01), Haws
Labaquere Herve
Vion Patrick
Degremont
Upton Christopher
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