WHAT ARE SEWAGE TREATMENT PLANT
                     WHAT ARE SEWAGE 
TREATMENT PLANT
- LARCO INDIA Pvt Ltd
Water & Waste Water Treatment 
Equipments And Turnkey Projects
SEWAGE TREATMENT PLANT
WHAT ARE SEWAGE TREATMENT 
PLANT
 Sewage treatment plants (STPs) are specialized buildings 
created to treat wastewater from residential, commercial, and 
industrial sources, often known as sewage or effluent. 
 Their primary duty is to clean wastewater of toxins and 
pollutants so that it is suitable for reuse or disposal.
 Sewage treatment facilities are essential for upholding public 
health, safeguarding the environment, and conserving water 
supplies.
Importance of Sewage Treatment 
Pla Ennvitrosn:mental Protection
Organic materials, bacteria, toxins, and minerals found in sewage are toxic and 
can affect ecosystems and aquatic life if released into the environment 
unchecked. By shielding rivers, lakes, and seas from contamination and preserving 
biodiversity, STPs aid in the prevention of water pollution.
 Public Health Safeguarding
Eliminating disease-causing bacteria from sewage through proper treatment stops 
the spread of waterborne illnesses and protects the general public’s health. STPs 
improve community health by removing dangerous bacteria, viruses, and parasites 
and lowering the possibility of epidemics.
 Resource Conservation
Sewage treatment plants will recover water and other important resources 
and make them available again. To reduce the strain on freshwater supplies 
and promote sustainable water management. We will utilize treated 
wastewater for industrial processes, irrigation, or groundwater replenishment.
Components and Processes 
Inv Coolllevcteiodn :and Conveyance
A system of underground pipes collects and transports sewage from homes, 
businesses, and industries to the treatment facility.
 Preliminary Treatment:
The sewage is first treated as it arrives at the STP, including screening to get 
rid of large debris and grit removal to get rid of sand, gravel, and other coarse 
materials.
 Primary Treatment:
Wastewater is first processed in huge tanks where solids collect as sludge on 
the bottom. It will leave clean and clear water. Primary effluent, or partially 
treated water, advances to the following stage of treatment.
 Secondary Treatment:
Secondary treatment removes dissolved organic matter and nutrients from 
wastewater using biological methods. Aeration tanks contain microorganisms, 
such as bacteria and protozoa, that break down organic compounds. Activated 
sludge also creates secondary effluent in addition to primary effluent.
 Tertiary Treatment:
You can raise the quality of effluent by using a tertiary treatment stage. Use 
modern oxidation techniques, filtration, and disinfection to make sure the 
water is safe for reuse and disposal.
 Sludge Treatment:
The primary and secondary treatment sludge will undergo additional processing 
to decrease its volume and stabilize its organic composition. Anaerobic 
digestion, dewatering, and drying are typical sludge treatment techniques. The 
sludge will either convert into fertilizer or will utilize to make power.
Contact Us
LARCO India Pvt Ltd
Water and Wastewater Treatment Plants 
 Contact - +91 9022442298
 Website - www.larcoindia.in
 Email - [email protected]