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Flotators and Flotation Units
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PURPOSE
Flotators are designed to remove suspended solids, fats, oils, petroleum products, surfactants, and to reduce COD and BOD levels in wastewater.
Flotation units are applied where conventional mechanical treatment is insufficient and biological processes require предварительной conditioning of the influent stream.
Simply put:
if wastewater contains light fractions, emulsions, or finely dispersed contaminants, they should not be allowed to settle — they must be lifted to the surface. This is precisely the function of a flotator.
Flotation units are applied where conventional mechanical treatment is insufficient and biological processes require предварительной conditioning of the influent stream.
Simply put:
if wastewater contains light fractions, emulsions, or finely dispersed contaminants, they should not be allowed to settle — they must be lifted to the surface. This is precisely the function of a flotator.
THE PRINCIPLE OF OPERATION
A flotation unit operates based on the dissolved air flotation (DAF) principle.
Pre-treated wastewater (after reagent dosing and flocculation) enters the mixing chamber.
The flow comes into contact with water saturated with air under pressure.
When pressure is released, microbubbles are formed.
These microbubbles attach to flocculated contaminants.
The resulting bubble–floc complexes rise to the surface due to their lower density compared to water.
A sludge layer is formed on the surface and removed by a mechanical scraper system into a sludge collection hopper.
Clarified effluent is withdrawn via a siphon weir and discharged for further treatment.
This is not merely a settling tank in a steel casing.
It is a controlled physico-chemical separation process that significantly reduces the load on downstream treatment stages.
Pre-treated wastewater (after reagent dosing and flocculation) enters the mixing chamber.
The flow comes into contact with water saturated with air under pressure.
When pressure is released, microbubbles are formed.
These microbubbles attach to flocculated contaminants.
The resulting bubble–floc complexes rise to the surface due to their lower density compared to water.
A sludge layer is formed on the surface and removed by a mechanical scraper system into a sludge collection hopper.
Clarified effluent is withdrawn via a siphon weir and discharged for further treatment.
This is not merely a settling tank in a steel casing.
It is a controlled physico-chemical separation process that significantly reduces the load on downstream treatment stages.
ADVANTAGES
- Compact Design
- High Treatment Efficiency
- Reliability
- Automation
SCOPE OF APPLICATION
Flotators and flotation units are used:
- At wastewater treatment plants;
- In meat processing facilities;
- In oil and fat production industries;
- In petrochemical and food processing industries.
Any other questions?
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Our phone number:
+7(778) 609 29 11
+7(700) 609 29 11
+7(700) 609 29 11
Our address:
Astana city, 33 Kunaev str.
Almaty, Kazybayev str. 1
Almaty, Kazybayev str. 1
Our email:
info@ersem.kz
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