Method and device for purifying waste water, in particular for fully biological domestic sewage treatment systems

Method and device for purifying waste water, in particular for fully biological domestic sewage treatment systems

The invention concerns a device (1) for purifying waste water (3) in which the waste water (3) is optionally fed via a denitrification chamber (5) to an activation chamber (6) arranged downstream of the latter. From the activation chamber (6), the waste water (3) is further conveyed, via a sludge ou...

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1. Verfasser: JOHANN SCHWABEGGER
Format: Patent
Sprache:eng
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CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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creator JOHANN SCHWABEGGER
description The invention concerns a device (1) for purifying waste water (3) in which the waste water (3) is optionally fed via a denitrification chamber (5) to an activation chamber (6) arranged downstream of the latter. From the activation chamber (6), the waste water (3) is further conveyed, via a sludge outlet (10), to a secondary settling chamber (7) which is connected, via an outlet (16), to a WC-flush water reservoir (17) and/or a main outfall (18). An aeration system (8), for example an agitator (9), is disposed in the activation chamber (6). Disposed in a front face area of the secondary settling chamber (7), which area faces the base (12) of a reservoir (4), is a sludge channel (11) or a connection pipe (43) provided with a protective screen (13). Said screen is preferably formed by parts of the sludge channel (11) or of the connection pipe and overlaps a cross-sectional area of the sludge channel (11) or of the connection pipe (43) in a plane (15) perpendicular to the longitudinal axis (14) of the reservoir (4) whilst maintaining the outlet (10) for the sludge.
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subjects CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
title Method and device for purifying waste water, in particular for fully biological domestic sewage treatment systems
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