• Water

  • Bottle

  • Blow

  • Shrink

  • Jar

  • Sleeve

Effluent Treatment

The Effluent Treatment Plant consisting of following major units;
  • Equalization tank / neutralization tank
  • Air blower
  • Primary clarifier tank
  • Alum dosing tank
  • Alum dosing system
  • Lime Dosing Tank
  • Lime dosing system
  • Polymer Dosing tank
  • Polymer dosing system
  • Aeration tank with diffusers
  • Secondary clarifier tank with sludge recycle
  • Sludge drying beds
  • Chlorine contact Tank/Clarified Water Storage Tank
  • Chlorine dosing tank
  • Filter Feed Pump.
  • Pressure Sand Filter
  • Activated Carbon Filter
  • Reverse Osmosis (Stage I)
  • Reverse Osmosis (Stage II)


The effluent from all the process involved in the industry is first collected in Equalization Tank / Neutralization tank.
The Equalization Tank is provided with the bar screen to remove the coarse particles from the effluent & thus prevent the blockage / stoppage of the pump.
Since the effluent is alkaline in nature, ph correcting agent is added in Equalization Tank / neutralization tank for neutralizing the effluent with the help of dosing pump. The pH is adjusted to 6.5 – 6.8
The neutralized effluent is then pumped with the help of effluent transfer pumps to Primary clarifier tank.
In Primary clarifier tank-flocculating agents like alum, polymer, & lime is added.
Flocs settled at the bottom of the primary clarifier tank & are then transfer to the sludge drying bed.
The clear supernatant from primary clarifier tank overflows to the Aeration Tank for biological treatment. The oxygen required for the bacterial growth is supplied through surface aerators.
Mixed liquor along with degraded effluent is then overflows to the Secondary clarifier tank. The clarifier unit is provided to arrest the microbial sludge leaving from the system, as a particular concentration of the MLSS is to be maintained in the Aeration Tank.
The sludge settles at the bottom of the clarifier tank & is pumped back with the help of sludge return pumps to the Aeration Tank to maintain required concentration.
In case of excess sludge in the system, the recycle pumps will be used to drain the sludge, to the sludge drying beds.
The clarified effluent is then treated with chlorine for the disinfection of microbes & further control of BOD, for this purpose chlorine dosing system is provided.
The clarified effluent is then fed to the Pressure Sand Filter & Activated Carbon Filter with the help of Filter Feed Pump.
Then it is passed through a Reverse Osmosis Unit (Stage I) and the treated water is collected in a common tank.
The reject of the Stage I is passed through the Reverse Osmosis Unit (Stage II) to reduce the discharge effluent to Zero discharge level. The treated water is collected the same collection tank of the stage I.
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