Primary Treatment (Physicochemical Treatment)

Primary Treatment comprises of screening of sewage with bar screens. Oil and grease removal from the screened sewage is done by oil skimmers. It also used for Primary collection & Equalization.

Secondary Treatment (Biological Treatment)

Mainly contributes in Biological Oxygen Load reduction of the Sewage by various methods.

Tertiary Treatment (Polishing of the Water)

Tertiary treatment filters the particulate matters formed in above treatments, which is done with the help of Activated Carbon Filter and Sand Filter.

Activated Sludge Process (ASP):

Activated Sludge Process is most conventional method of biological treatment with limited energy requirements. The sludge generated in biological treatment is recycled back as bio medium. This recycle ratio maintains Mixed Liquid Suspended Solids of biological treatment. This technology however is very tedious as it takes a very long time to stabilize the MLSS and it cannot handle toxic shock loads.

  • Primary Collection Tank
  • Diffused Aeration
  • Clarifier
  • UV Treatment
  • Dual Filter

Rotating Biological Contactors or BioDisk Treatment (RBC):


This is a very enhanced technology consuming lot of energy. Here Rotating Biological contactors are medium for biological growth. The contactors are multiple disks attached with each other and submerged partially into water to be treated. The residence time inside gives the reaction time. The rotation lifts the effluent water and microbes on the surface do their job of decomposing them when surface comes out of water level.

Moving Bed Bio Reactor (MBBR):

treatment-methodMBBR contains a moving bio bed in the form of tube settlers which serves as a medium for biological growth but unlike other stationary bio growth supporting medium they contain moving tube settler.

  • Bar Screen
  • Oil & Grease Removal
  • MBBR Reactor
  • Disinfection (UV Treatment)
  • Dual Media Filter

Submerged Aerated Fixed Films (SAFF):

treatment-method4SAFF technology is a process used to reduce the organic loading of residential and commercial sewage / waste water, and in doing so will reduce the Biological Oxygen Demand (BOD) and a significant quantity of Suspended Solids (SS) which if otherwise untreated would contaminate river and sea outfalls

  • Bar Screen
  • Oil & Grease Removal
  • Equalization Tank
  • SAFF Reactor
  • Disinfection Tank
  • Dual Filter

GreenBio :

treatment-method6GreenBio is a natural Process using Reed type wetland plants, Soil Bed, Deep boring Earthworms & different types of microorganism. Objective of ­­­SIBF is mainly to treat sewage or other effluents effectively with low energy, less manpower and operational costs. It works on a principle of “conversion of complex organic matter to simple organic Manure.

  • Bar Screen
  • Oil & Grease Removal
  • Biofilter
  • Disinfection Tank
  • Dual Filter