Effluent Treatment Plant

Effluent treatment plant (etp): Eliminates all types of effluent from industrial water. RO and UV are the common processes used in ETP plant. Shop the ETP plants from Doctor Fresh Brand.

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Effluent Treatment Plant: Role, Types And Its Maintenance

The effluent treatment plants are used to eliminate high amounts of organic compounds like dirt, debris, and polymers. The effluent is born in factories like pharmaceuticals, chemicals, and others where toxic and non-toxic wastes are released in water and another environment. ETP plants use drying, evaporation, and other auxiliary techniques like filtration, centrifugation for effluent treatments.

Doctor Fresh Effluent treatment plant is designed to treat wastewater to reuse or safe disposal into the environment. In this treatment process, the wastewater is employed through physical, chemical, and biological treatments. A traditional ETP plant screens to remove large materials followed by settling tanks to cut slower to settle materials. The effluent treatment plants can be of two types either it is batch or continuous type as per the process type.

Our Effluent treatment plants make it possible to treat polluted water from industries as it can be reused and sustained. The effluent is treated with aerobic bacteria to reduce the solid waste, sedimentation allows it to settle and the liquid remains on the top. There are some chemicals used in the Effluent treatment plants that are antifoaming agents, coagulants, flocculants, and pH neutralizers.

The Steps Involved In Disposal Of Effluent From Water

Doctor Fresh Effluent Treatment plant is a plant that uses physical, chemical, biological processes to change the properties of wastewater by eliminating hazardous substances and making it safe to discharge in the environment. The ETP plant is best to treat the effluent before it is disposed of into the environment and increase the DO (Dissolved Oxygen) of water.

  • Neutralization
  • The oil and other organic separation
  • The use of rotary vacuum filtration
  • Use evaporation to remove high TDs content
  • The activated carbon adsorption remove chemicals

The treatment of effluent is essential to lower the chances of water pollution and degrade the leftovers. The ETP can work best on industrial effluents, polluted rivers, lakes and make it free from suspended impurities. Our ETP plants can be used inside the small and medium industries to treat the disposal of impurities and result in clean and reusable water.

The Level Of Treatment Involves In An Effluent Treatment Plant

When it comes to ETP treatment there are many treatments involved as primary, secondary, tertiary, and advanced treatments. In the complete process the separation of large solids, gases, chemicals, and disinfection of sludge occurs before releasing into any natural water bodies like rivers, lakes, and ponds. The ETP is a trial and tested technology to eliminate the sludge contents from polluted water.   

Treatment Level

Process Description

Process involved


Preliminary Treatment

In the primary process, the removal of large solids such as rags, muds, grit, and grease may harm equipment or result in functioning problems. The primary treatment process uses bar screens and a grit chamber to pull out these suspended solids.



Primary Treatment

In this cycle the removal of floating and settleable materials as suspended solids and organic matters. In this phase, it removes about three fourths of the suspended solids. The sludge settles to the bottom of the primary clarifier and repels out and is subjected to sludge processing.                       


Physical, chemical

Secondary Treatment

The secondary treatment involves the removal of the biodegradable organic matter and suspended solids. It uses the most preferred biological aerobic process called the activated sludge process which can remove most of the organic matter.                 


Biological, chemical

Tertiary or Advanced Treatment

The advanced treatment takes out residues of suspended solids or dissolved particles. It gives the final touch to the treated water in order to discharge in the natural water bodies. It involves a process called disinfection that uses disinfectants like chlorine, ozone, and others to remove the undesirable microbes. 


Physical, chemical,  and biological

The concentration of industrial wastewater is surging due to rapid development in industries that produce and discharge the combination of pollutants that are extremely contaminated and prone to contaminate the surroundings. As per the environment conservation rules the companies has to implant effluent treatment plants to reduce the direct release of wastewater in natural water bodies.

Here, are the major industries that need to install Effluent Treatment Plant to purify the wastewater before it gets discharged into the environment-

  • Food processing units
  • Pharmaceutical industries
  • Textile and Paper manufacturing industries
  • Automobile and oil, gas industries
  • Textile and dyeing industries
  • Dairy and beverage industries

An effluent treatment plant, i.e. ETP, is a wastewater treatment plant used to treat contaminated water. It is mostly used for industrial purposes like chemical and pharmaceutical.

ETP is used by the leading pharmaceutical, chemical, polishing, and other industries to purify water and remove any toxic and non-toxic materials or chemicals present in the water.

The biological oxygen demand (BOD) refers to the amount of dissolved oxygen (DO) consumed by the biological organisms when they decompose organic matter in water. The COD, i.e., Chemical Oxygen Demand, is the amount of oxygen consumed when the water sample is chemically oxidized. 

Technologies like adsorption, chemical coagulation, activated sludge management, membrane filtration, and various other technologies treat the pollutant present in the effluent water.

This category of waste contains hazardous waste harmful to human beings; hence it should be treated properly.

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