Function Of The Wastewater Treatment System - Graf ONE2CLEAN Manual

2. Function of the Wastewater Treatment System

2. Function of the Wastewater Treatment System
FUNCTION OF THE WASTEWATER TREATMENT SYSTEM
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2. Function of the Wastewater Treatment System
The one2clean small wastewater treatment system is fully biological and works according to the retention
The one2clean small wastewater treatment system is fully biological and works according to the retention
process with long-term aeration (sequencing batch reactor). The system is essentially made up of an aer-
process with long-term aeration (sequencing batch reactor). The system is essentially made up of an aer-
obic stage. This stage is split into a rest area and an activation area. The chambers are connected to one
obic stage. This stage is split into a rest area and an activation area. The chambers are connected to one
another in the bottom section. During this process, therefore, all domestic sewage is immediately exposed
another in the bottom section. During this process, therefore, all domestic sewage is immediately exposed
to aerobic wastewater treatment. The entire system is aerated by compressed air being blown in and the
The one2clean small wastewater treatment system is fully biological and works according to the retention process with
to aerobic wastewater treatment. The entire system is aerated by compressed air being blown in and the
sludge activated as a result of this biologically cleans the wastewater.
long-term aeration (sequencing batch reactor). The system is essentially made up of an aerobic stage. This stage is split
sludge activated as a result of this biologically cleans the wastewater.
into a rest area and an activation area. The chambers are connected to one another in the bottom section. During this
The coarse and floating solids contained in the wastewater are initially retained in the rest area by means
The coarse and floating solids contained in the wastewater are initially retained in the rest area by means
process, therefore, all domestic sewage is immediately exposed to aerobic wastewater treatment. The entire system is
of a baffle. The wastewater then passes through an overflow opening in the lower part of the container
aerated by compressed air being blown in and the sludge activated as a result of this biologically cleans the wastewater.
of a baffle. The wastewater then passes through an overflow opening in the lower part of the container
from the rest area into the activation area.
from the rest area into the activation area.
The coarse and floating solids contained in the wastewater are initially retained in the rest area by means of a baffle.
As the rest area is also aerated, the solids which remain behind are also degraded aerobically over time.
The wastewater then passes through an overflow opening in the lower part of the container from the rest area into the
As the rest area is also aerated, the solids which remain behind are also degraded aerobically over time.
Wastewater treatment is performed in the one2clean without pre-treatment, so that no anaerobic digestion
activation area.
Wastewater treatment is performed in the one2clean without pre-treatment, so that no anaerobic digestion
processes can occur.
As the rest area is also aerated, the solids which remain behind are also degraded aerobically over time. Wastewater
processes can occur.
Operation of the treatment system is carried out via a microprocessor control system which controls the
treatment is performed in the one2clean without pre-treatment, so that no anaerobic digestion processes can occur.
Operation of the treatment system is carried out via a microprocessor control system which controls the
air compressor and air distribution.
air compressor and air distribution.
Operation of the treatment system is carried out via a microprocessor control system which controls the air compressor
The SBR process is a sequence of different steps that occur at set times in a sequence and takes place
and air distribution.
The SBR process is a sequence of different steps that occur at set times in a sequence and takes place
at least once a day.
at least once a day.
The SBR process is a sequence of different steps that occur at set times in a sequence and takes place at least once a day.
Step 1: Aeration
Step 1: Aeration
The wastewater is subjected directly to aerobic treatment for a fixed amount of time. On
The wastewater is subjected directly to aerobic treatment for a fixed amount of time. On
Step 1: Aeration
the one hand the microorganisms (activated sludge) are supplied with the oxygen nec-
the one hand the microorganisms (activated sludge) are supplied with the oxygen nec-
essary for degradation; on the other hand mixing is achieved as a result of pressure
The wastewater is subjected directly to aerobic treatment for a fixed amount of time. On the one
essary for degradation; on the other hand mixing is achieved as a result of pressure
hand the microorganisms (activated sludge) are supplied with the oxygen necessary for degradation;
aeration. The air diffuser of the system is supplied with ambient air by a compressor.
on the other hand mixing is achieved as a result of pressure aeration. The air diffuser of the system
aeration. The air diffuser of the system is supplied with ambient air by a compressor.
The aeration is intermittent, so as to allow targeted wastewater treatment. Thus, differ-
is supplied with ambient air by a compressor. The aeration is intermittent, so as to allow targeted
The aeration is intermittent, so as to allow targeted wastewater treatment. Thus, differ-
wastewater treatment. Thus, different environmental conditions can be achieved.
ent environmental conditions can be achieved.
ent environmental conditions can be achieved.
Step 2: Settling
Step 2: Settling
There is no aeration in the second phase. The activated sludge and the remaining set-
Step 2: Settling
There is no aeration in the second phase. The activated sludge and the remaining set-
tleable solids can now settle by gravity. A clear water zone is created at the top and a
There is no aeration in the second phase. The activated sludge and the remaining settleable solids can
tleable solids can now settle by gravity. A clear water zone is created at the top and a
layer of mud forms at the bottom. Any floating sludge which might develop is located
now settle by gravity. A clear water zone is created at the top and a layer of mud forms at the bottom.
layer of mud forms at the bottom. Any floating sludge which might develop is located
Any floating sludge which might develop is located above the clear water zone.
above the clear water zone.
above the clear water zone.
Step 3: Clear Water Removal
Step 3: Clear Water Removal
Step 3: Clear Water Removal
The biologically treated wastewater (clear water) is extracted from the SBR stage. This
The biologically treated wastewater (clear water) is extracted from the SBR stage. This
is done by pumping compressed air according to the mammoth pump principle (air lift
The biologically treated wastewater (clear water) is extracted from the SBR stage. This is done by
is done by pumping compressed air according to the mammoth pump principle (air lift
pump). The air lift is designed in such a way that no floating sludge which might develop
pumping compressed air according to the mammoth pump principle (air lift pump). The air lift is
pump). The air lift is designed in such a way that no floating sludge which might develop
designed in such a way that no floating sludge which might develop is drained on the clear water layer.
is drained on the clear water layer. A minimum water level in the system is maintained
A minimum water level in the system is maintained without additional components.
is drained on the clear water layer. A minimum water level in the system is maintained
without additional components.
without additional components.
After execution of the third Step, the cleaning process begins again with step 1.
After execution of the third Step, the cleaning process begins again with step 1.
Two cycles are performed per day. The individual adaptation of switching times is possible on the part of the maintenance
After execution of the third Step, the cleaning process begins again with step 1.
company.
Two cycles are performed per day. The individual adaptation of switching times is possible on the part of
Two cycles are performed per day. The individual adaptation of switching times is possible on the part of
the maintenance company.
the maintenance company.
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Graf UK Ltd