|Capacity (m3/day)||100 m3/day|
|Control Module||Control Module Available|
|Feed Flow Rate (cubic-meter/day)||50 m3/day, 100 m3/day, 500 m3/day, 1000 m3/day|
|Impurities to be removed||Oil and Grease|
|Manufacturing Lead Time||60 days|
|Secondary Treatment Type||Moving Bed Bioreactor (MBBR)|
|Water Pump Power||0.5 kW|
Extended Aeration Plant is an improvement over the conventional activated sludge process. It is a time proven, mature, conservative process of waste water treatment. Extended aeration plants are one the most basic sewage treatment technolies and probably one of the most versatile methods available. EA plants are suitable gor most waste water and economical to install and operate.
Advantages and Key Features
- Simple & Low cost deisgn.
- Flexible process that treat a wide range of waste water.
- Good reponse to variable flow and speed.
- Able to handle high SS load.
- Ease of installation, operation and maintenance.
In aeration tank (Extended Aeration) suspended microbial growth is maintained for the biological oxidation of organics. Diffused aeration is provided to meet the oxygen requirement of microorganisms and to keep the in a completely mixed regime.
The process units in an extended variation plant include:
- Collection & Transfer of the raw wastewater viz. effluent into Aeration Tank (after Equalization).
- Aerobic Treatment of mixed in Aeration Tank.
- Clarification of aerated mixed in Secondary Clarifier.
- Chlorination for disinfection in CCT.
- Disposal of treated water for end use.
- Sludge recycling, digestion & disposal by using Filter Press or Sludge Drying Beds.
The process usually does not require any primary settling and sewage after equalization directly goes to the aeration tank. However, in case of higher loadings, primary settling or grit chamber may be required. Elimination of primary settling reduces the initial cost, and also the sludge after extended aeration and secondary settling, is relatively more stabilized.
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