What are The Stages of Sewage Treatment Plant?
Sewage Treatment Plant is also known as domestic & wastewater treatment plant. It is the process of removing pollutants from the sewage to generate an effluent this is appropriate for release to the encirclings or a meant reuse application, thereby stopping water pollutants from uncooked sewage discharges. STP uses physical, biological as well as chemical methods to get rid of pollutants from the water and cause very little water pollution.
Stages of Sewage Treatment Plant
There are generally three types of stages that are used in the STP Plant. These stages are Primary Stage, Secondary Stage, and Tertiary Stage.
Primary Stage: The Primary Stage consists of the elimination of a part of the suspended solids and natural matter from the sewage. Sewage inclusive of all the black and gray water from a domestic flow right into a chamber known as the primary sedimentation tank and holds waste till it has had sufficient time for heavy sediment to disperse to the bottom. Lighter waste inclusive of oil and grease floats to the top and maybe skimmed off. Once this procedure has been completed, the leftover wastewater then leaves the sedimentation tank and proceeds right into a secondary pre-treatment chamber.
Secondary stage: The Secondary Stage can lessen the natural matter from sewage through the use of aerobic or anaerobic methods. It requires the easy science of decomposition and speeds up it through developing the right breeding floor for the anaerobic organic procedure. This requires developing a powerful breeding floor for anaerobic microorganisms and protozoa to survive. This microorganism feeds at the pollution in the wastewater and in turn, begins the failure procedure. In order for this procedure to work effectively, you want oxygen a meals supply for the microorganism to thrive this generates greater oxygen in the water which permits for aerobic microorganisms to develop unexpectedly and come to be manner greater powerful than what might occur out of doors a treatment tank.
Tertiary Stage: The Tertiary Stage is also known as the final or advanced stage. It is used to offer a final touch and improve the quality of the effluent. In this stage, the wastewater can be leaving the confines of a treatment facility and can be reintroduced to the environment. The 1/3 degree of the procedure permits for the wastewater to settle and at this factor, it’ll be lighter and much less dense than what it becomes while it entered the device as a sludge. At this stage, aerobic microorganisms will settle to the lowest of the tank, after which chlorine or UV mild can be added at this factor to take away any undesirable micro organism from the water.
Advantages of a Sewage Treatment Plant
- It is very reliable and unlikely to show problems with only regular maintenance
- STP can be installed even on the hardest challenging or compact sites
- It is very cost-effective over time, with only installation, power, and maintenance to pay for it make it a value for money deal.
- STP system Kills dangerous organisms, eliminates many kinds of disease-causing bacteria.
- Causes minimal odor emissions
Disadvantages of a Sewage Treatment Plant
- The plant needs a regular supply of electricity to run
- Design and installation of the system need to be undertaken professionally.
- STP needs professional maintenance annually for the long run.
- Require routine pumping out to avoid clogging in the flow of water.
- STP requires a very large area for installing the plant.
Characteristics of Sewage treatment Plant.
There are three main types of characteristics in STP are Physical, Biological & Chemical characteristics.
- Physical Characteristics
- Turbidity
- Color
- Odor
- Total solids
- Temperature
- Biological Characteristics
- Biochemical Oxygen Demand (BOD)
- Oxygen required for nitrification
- Microbial population
- Chemical Characteristics
- Chemical Oxygen Demand (COD)
- Total Organic Carbon (TOC)
- Nitrogen
- Phosphorus
- Chlorides
- Sulfates
- Alkalinity
- pH
- Heavy Metals
- Trace Elements
- Priority Pollutants
Services in Sewage Treatment Plant.
We Kelvin Water Technologies Pvt. Ltd. delivers highly efficient sewage treatment plant services with the help of highly skilled professionals thus ensuring ultimate customer satisfaction. Our organization offered professional planned services and timely maintenance by using leveraging the latest tools and techniques of the field at very affordable prices. We are a very known brand in the water, wastewater treatment industry and provide a range of services, which include: Consultancy, Plant Designing, Commissioning, installation, as well as Maintenance.