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Sewage Treatment Plant

Design & Technologies in Sewage Water Treatment Plant

Basically, to choose between technologies among the various available technologies & design of STP totally depend upon the source from which waste water is generated, no. of working hours of plant & we parameters we want in output.

Some of the Major Technologies of STP are

Confused in Technologies? Consult Us!

We are consultant of water & waste water treatment plant. We can suggest you the best technologies for treatment of waste water to meet parameters that are set by State Pollution Control Board (SPCB) or national level authority like Central Pollution Control Board (CPCB) of India. With ever increasing volumes of waste, its treatment and disposal is of penultimate importance. The most elegant solution to this crisis is sewage treatment plant. Kelvin not only excels in manufacturing, but it also provides the most effective consultancy which solves client’s problem in most elegant way. Gone are the days of the age-old system of septic tanks and soak pits, with Kelvin, find the new age solutions.

Kelvin provides complete turnkey solutions along with fabrication, design, supply, erection, testing & commissioning of the plants. The designs offered range from Activated Sludge Process, UASB, MBBR, SAFF & MBR etc.
Our innovative solutions have the quality of giving solutions which excel on:
Reliability, low running costs, odourless, noiseless, water quality, fast commissioning, sustaining shock loads. It will also extend its consultancy to increasing the reuse and recycling of water available at premise.

Correct commissioning is vital to the satisfactory operation of any plant or facility and it is essential that sufficient time and resources be allocated to different stages of the commissioning and start up.


Flow Diagram of STP with all Parts

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STP installed by us in various Industries

  • Battery Manufacturing

  • Institutions & Hospitals

  • Food Industry

  • Iron & Steel Industries

  • Electric Power Plants

  • Organic Chemical Manufacturing

  • Nuclear Industry

  • Mines & Quarries

  • Petroleum Refining & Petrochemicals

  • Pulp & Paper Industry

  • Textile Dyeing


Parameters Set by Pollution Control Board before Discharging Effluent-

After treatment of waste water, before discharging it must meet all the parameters. The prescribed limit or acceptable level of concentration of impurities or pollutants is laid down by the local authorities such as municipality or State Pollution Control Board (SPCB) or Central Pollution Control Board of India. The final discharge of waste water will normally be either into the body of water or onto the land. The receiving bodies of water may be streams, lakes, ponds, canal, rivers, seas, estuaries, etc.

Ministry of Environment & Forest Recommendations
Sr. No Parameters Effluent
1 Ph 5.5-9.0
2 BOD ≤ 20 mg/l
3 COD ≤ 250 mg/l
4 Oil & Grease ≤ 5 mg/l
5 Total Suspended Solids ≤ 30 mg/l
6 Nitrogen ≤ 5 mg/l
7 Ammonia Nitrogen ≤ 50 mg/l
8 Phosphorous ≤ 5 mg/l
9 Total Coliform 1000 no./100 ml


Services in Sewage Treatment Plant :-

With the help of highly skilled professionals Kelvin, delivers highly efficient sewage treatment plant services, thus ensuring ultimate customer satisfaction. The firm specialises in providing planned services and timely maintenance which are delivered at affordable cost.

We provide a range of services, which include: Consultancy, Plant designing, commissioning, installation and maintenance. All this is done by leveraging latest tools and techniques of the field.

  • Installation & Commissioning of Plant 

    The firms is adept in installation of STP, with wide range of customisation done according to the need. With Kelvin comes the assurance of a time bound, hassle free, and with proper hand over.

    Correct commissioning is vital to the satisfactory operation of any plant or facility and it is essential that sufficient time and resources be allocated to different stages of the commissioning and start up.

    Kelvin looks with eyes of meticulousness in mechanical completion, leak tests, cleaning, flushing, provisional acceptance, pre-commissioning, first start up and post-commissioning. Integration of different systems, particularly control systems with others, has to be seamless, and in order to accomplish it Kelvin does a series of tests and checks under trial operations.

  • Extension Work Of STP

    STP projects are always challenging, but when upgrading of existing works is involved the challenge increases. The work consists primarily of duplication of primary plant, with further customisations if needed. The firms does extension work in three phases.

    • Stage I : Duplication of primary digestor Plant and extension of power house.
    • Stage II : Extension of sewage treatment plant
    • Stage III : Construction of laboratory (optional) and administrative office.

    The task to upgrade and expand the existing screening facilities, primary treatment, secondary treatment (bioreactors, secondary clarifiers, pumping stations), tertiary treatment (filtration phosphorous removal), service networks etc and the construction of new facilities.

    Sludge treatment works and the construction of new facilities for the anaerobic digestion of the primary sludge, consisting of a digestion tank, a digested sludge storage tank, a digested sludge dewatering unit.

  • Repair & Maintenance Work of STP

    The pillars of quality and reliability support our maintenance work. Our services are known for reliability and hassle-free execution of maintenance work, on a regular time bound framework, that is both routine and exigency-based repair and maintenance work.

    The team of highly skilled and trained professionals who have in-depth knowledge of technical knowledge will never give you a chance to worry.

    Based of a pre-decided process list which includes all critical components, the maintenance is done. To add cherry on top, our services are extremely affordable.

  • Chemicals and Media

    Much of wastewater produced today is contaminated with both soluble and insoluble impurities such as suspended solids, organics, pathogens, metals, nutrients and other priority pollutants that must be removed prior to discharge back into the environment.

    They are categorized as follows:

    • pH adjustment chemicals (to adjust pH level of treated water)

      alkaline chemicals: CaO (calcium oxide or lime), MgO (magnesium oxide), Ca (OH) (calcium hydroxide), Mg (OH) (magnesium hydroxide) acidic chemicals: Sulfuric acid (H2S04), Hydrochloric acid (HCl)

    • Coagulant chemicals

      Ferric Chloride, Aluminium Chloride (AlCl3), Aluminium Sulphate [Al2(SO4)3] and Ferric Chloride (FeCl3).

    • Flocculent chemicals

      Anionic polymers, Non-ionic polymers, Cationic polymers

    Kelvin India, provides its clients with wide range of chemicals mentioned above and those needed for treatment of media filters used in STP, ETP and RO

         Media

    It is in the last stage in the pre-treatment of water for removal of undissolved impurities prior to treatment by Ion Exchange or by Reverse Osmosis. Coagulation, flocculation and clarification precede filtration.

    Kelvin provides both types of media filters, ie pressure and gravity filters. Kelvin provides best in class media with use of combined action of layers filters like: Activate carbon filter, dual media filter, multigrade filter, pressure sand filter, gravity filter and side stream filter. Coarse media filters are also supplied wrt the requirement. Kelvin provides the best solution for its clients according to their need.

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