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Home  »   Sewage Treatment Plants

Sewage Treatment Plants


Sewage Treatment Plants are installed and commissioned at various industries for treating waste before discharging them into water bodies. The plant receives the waste from domestic, commercial and industrial sources and removes the harmful materials from the sewage that damage water quality.

The prime objective of a sewage treatment plant is to make the industrial effluents free from elements that are harmful for human and environment.

We offer following equipments:

  • Clarifier
  • Clariflocculators
  • Effluent Treatment Systems
  • Water Pollution Control Systems
  • Waste Treatment Plants
Working Principle

Preliminary Treatment: Removal of coarse solids and other large materials found in raw wastewater

Primary Treatment: Removal of settle-able organic and inorganic solids by sedimentation, and the removal of float-able materials by skimming

Secondary Treatment: Removal of residual organics and suspended solids


All these sewage treatment plants are used for treating sewage and effluents coming out from commercial establishments, residential areas and industries.


Product Description

Clarification is the process to remove suspended solids from water which is done by Clarifier. It is the economical and an essential part of effluent treatment plants and other raw water treatment plants. Depending upon the plant, the clarifiers are available in wide varieties of shapes. In large scale wastewater treatment facilities, large circular open-air clarifiers are preferred.

Types of clarifiers:

  • Solids Contact Clarifiers
  • Secondary Clarifiers
  • Primary Clarifiers


The clarifiers operate on the principle of gravity-separation. The separate solids would flow downward and settle on tapered floor.

  • The untreated oil is forced towards the periphery of the bowl by centrifugal forces
  • Then the oil is passed up through the disc stack
  • Actual separation takes place here in the channel formed between two discs
  • The two forces act on each solid or liquid particle
  • The particles are pushed upwards with the oil stream towards the centre while the centrifugal force directs it to the periphery
  • The residual force on denser particles will drive them towards the periphery
  • While the less dense particles (oil) will be directed towards the centre of the bowl and raise to the outlet connection

Technical specifications
  • Rotational speeds: 7,000 to 9,000 rpm
  • Number of discs: up to 150
  • Separation distance between Discs: 0.5-0.6 mm

Application areas:

All these clarifiers are widely used in almost all types of water treatment plants.

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Product Description

Clariflocculators are combination of both flocculation as well as clarification. With this, the installation of plant becomes economical and faster. All these clariflocculators are best suited for water treatment plant, waste treatment plant and effluent treatment plant. Available as centre driven and end driven models, these clariflocculators consists of concentric circular compartments.

Types available:

  • Centre Driven Clariflocculator
  • End Driven Clariflocculator
  • Full Bridge Clariflocculator
  • Half Bridge Clariflocculator

  • The water is fed into the clariflocculator
  • Flocculating paddles increases the flocullation of feed solids
  • In the process heavy particles settle to the bottom
  • Remaining liquid flows upward in the clarifier zone
  • Then the clarified liquid is discharged over a peripheral weir into the peripheral launder
  • The sludge deposited is then routed to the sludge chambers and discharged

Technical specifications
  • Diameter: 4M to maximum upto 70M
  • Bridge width varies from 0.75M to 1.5M
  • Number of flocculators: 1 to 4

Application areas:
  • Municipal water treatment plants
  • Primary Treatment in ETP
  • Heavy Metal Removal

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Effluent Treatment Systems

Effluent Treatment Systems
Product Description

Effluent treatment systems are widely used for recycling of wastewater in industries in order to reduce the demand of water. This type of system uses physical, chemical, biological and membrane processes for treating the effluents before being discharged into the water. The effluent system is provided with all the requisite features that assist in achieving zero-discharge standards laid by statutory authority.

  • Raw effluent is passed through Screening and Grit chamber for removal of floatable matter and sand, grit, stones
  • After this, the effluent is passed through Oil & grease trap where floatable oil and grease is removed from raw effluent.
  • Then the effluent is treated through primary treatment that includes chemical treatment like coagulation, flocculation and neutralization
  • After primary treatment, the effluent is passed for secondary treatment that comprises of biological treatment for reduction of BOD/COD and solid-liquid separation
  • Finally the tertiary treatment in which sand and carbon filtration is done for removal of suspended solids and organic material

Technical specifications

Slurry Feed Characteristics

  • Flow rate: 1140m3/hr
  • Suspended matter: 6000ppm
  • pH: 45.-6.5
  • Temperature: 60-70 degree Celsius
  • The inlet channel is designed for a surge flow of 1950m3/ hr at the slope of 2% so that water flows at the rate of 1.5m/sec.
  • Two flash mixers are designed for a flow of 1140m3/ hr with a retention time of 60 sec.
  • Capacity of each sludge tank: 224m3

Application areas:
  • Paint shop
  • Diaries
  • Paper mills
  • Oil refineries
  • Leather industry
  • Glass factories
  • Chemical
  • Processing industries

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Water Pollution Control Systems

Water Pollution Control Systems
Product Description

Water Pollution Control Systems are installed at almost all types of industries. All the systems used for controlling water pollution are suitable for industrial, domestic and commercial establishments. All these systems carry out high rate clarifier coagulation, precipitation and bio-media clarification of waste water. Our range of water pollution control systems includes:

  • Water discharge system
  • RO system
  • Salt recovery system
  • Zero discharge system
  • Reusable system
  • Industrial water treatment plants
  • Reverse osmosis water treatment plants

  • Recycle rate: 50%
  • Water-out conductivity: 3-8


The waste water is fed into the water pollution control system. Depending upon the level of impurities in the water, the systems chooses the best possible process for treating waste water with low level of rejection. Various biological and chemical treatments are performed on waste water to filter out impurities and dissolved substances from the water.

Application areas:

These Water Pollution Control Systems are installed at various residential areas, industries and commercial establishments.

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Waste Water Treatment Plants

Waste Water treatment plants
Product Description

Waste treatment plants remove contaminants from waste water and household sewage and make the water fit for various applications. It can easily treat both runoff as well as domestic effluents. The treatment plant uses physical, chemical, biological and tertiary processes to remove physical, chemical and biological contaminants from water.

  • Primary treatment:

    Waste water is fed into settling tanks

    During this time, heavy solids settle down to the bottom of the tank and become thick slurry known as primary sludge

    Floating materials are skimmed from the surface of tank

  • Secondary Treatment:

    In this process, dissolved oxygen demanding organic substances are removed

    The waters is then clarified by separating treated liquid from grown bacterial cells using gravity

  • Tertiary Treatment:

    The effluent is further treated to remove nitrogen, phosphorus, microbes and fine suspended particles

Technical specifications
  • Equalisation Tank (Balancing Tank)

    Retention time: Min 5.0 - 6.0 hours based on peak hourly flow of raw sewage

  • Membranes

    Type: Spindle / Sheet - Immersed type

    Pore size: 0.4 micron

    Housing: SS

    Casing material: ABS

    Operating: Suction 2 way

  • Aeration / Membrane Bio Reactor Tank

    Influent BOD5: 300 mg/lit

    MLSS: 8000 – 12000 mg/lit

    Oxygen requirement: 2.0 kgs per kg of BOD

Application areas

This waste treatment plant is widely used in industries and residential areas for treating sewage water.

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Packaged Sewage Treatment Plant

Packaged Sewage Treatment Plant
Product Description

The package treatment plants are designed to operate 365 days per year with an availability of 100%.

The plants can be fully automated or manually operated plant by means of daily operator input. For:
  • Industrial Units
  • Institutions
  • Hotels/Resorts
  • Hospitals
  • Housing Colonies/Townships
  • Industrial Cooling/Toilet Flushing
  • Treated water recycled for gardening

  • Treating Capacity: 6 - 600 (DS/kg/h)
  • Power: 2 HP -30 HP
  • Plant Type: Sewage Treatment Plant,Waste Water Treatment Plant

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Product Range

Mineral Water Plants
Reverse Osmosis Systems
Deminaralised Water System
Sewage Treatment Plants
Water Packaging Purifying Systems
UV System

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