C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 3/12 (2006.01) F04B 35/04 (2006.01) F04B 49/00 (2006.01)
Patent
CA 2504319
The invention relates to a biological purification device comprising: a multi- chamber tank with separating walls to divide the tank into at least one pre-treatment chamber containing activated sludge and at least one purification chamber; at least one pump installation for transporting and treating wastewater, the pump installation being arranged inside the purification chamber; and a distributor for dividing a pump output into at least one main flow and at least one secondary flow, the distributor connected downstream of the at least one pump installation and comprising a main line and a secondary line which proceed from a pump outlet line, the secondary line leading to the at least one pre-treatment chamber and comprising a ball valve arrangement being provided in a rising section of the secondary line and comprising a valve ball which can be moved up and down between two valve seats facing each other at a predetermined distance.
Baumann Markus
Kirby Eades Gale Baker
LandOfFree
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