Best STP Plant Maintenance Services In Bangalore

An STP (Sewage Treatment Plant) in apartments treats wastewater from bathrooms, kitchens, and laundry areas before safely releasing or reusing it. The process involves three main stages — primary, secondary, and tertiary treatment. In the primary stage, solid waste is separated from water. The secondary stage uses biological treatment where microorganisms break down organic matter. The tertiary stage further purifies the water through filtration and disinfection, making it suitable for reuse in gardening, flushing, or other non-potable purposes. This helps maintain hygiene, conserve water, and ensure environmental compliance in apartment complexes.

Several chemicals are used in an STP (Sewage Treatment Plant) to enhance the treatment process and ensure clean, reusable water. Common chemicals include coagulants like alum (aluminium sulfate) and ferric chloride to remove suspended solids, chlorine for disinfection, and pH control agents such as lime or caustic soda. In some cases, dechlorination agents and poly-electrolytes are also used for final polishing. The choice of chemicals depends on the wastewater quality and treatment requirements to ensure efficient and environmentally safe operation.

Yes, STP (Sewage Treatment Plant) installation is mandatory for apartments in Bangalore as per the Karnataka State Pollution Control Board (KSPCB) and BWSSB (Bangalore Water Supply and Sewerage Board) regulations. Any residential or commercial complex with 50 or more housing units or generating more than 10,000 liters of wastewater per day must have a functional STP. This rule ensures that wastewater is properly treated and recycled for non-potable uses like flushing and gardening, helping conserve water and protect the environment.

To neutralize sewage odor, deodorizers and neutralizing chemicals are used to break down and eliminate foul gases such as hydrogen sulfide and ammonia. Commonly used chemicals include activated carbon, potassium permanganate, chlorine dioxide, and bio-enzymatic solutions that digest organic matter causing bad odors. In modern STPs, odor control chemicals or biological additives are preferred as they are eco-friendly and safe for continuous use. Proper ventilation, regular cleaning, and effective chemical dosing help maintain a fresh and odor-free environment around sewage treatment areas.

The most common bacteria in sewage are coliform bacteria, particularly Escherichia coli (E. coli). These bacteria originate from human and animal waste and serve as indicators of fecal contamination in water. Sewage also contains other bacteria such as Salmonella, Shigella, Pseudomonas, and Clostridium species, which contribute to the breakdown of organic matter. Proper treatment in STPs (Sewage Treatment Plants), including biological and chemical processes, helps eliminate these bacteria, ensuring safe discharge or reuse of treated water.

Controlling odor in a sewage treatment plant (STP) involves a combination of proper maintenance, chemical treatment, and operational practices. Common methods include:

1. Regular cleaning and maintenance of tanks, screens, and pipelines to prevent sludge buildup.

2. Aeration to reduce the formation of foul-smelling gases like hydrogen sulfide.

3. Use of odor-neutralizing chemicals such as potassium permanganate, chlorine dioxide, or bio-enzymatic solutions.

4. Activated carbon filters or scrubbers to capture and remove odorous gases.

5. Ensuring proper ventilation and sludge management to minimize gas accumulation.

Consistent implementation of these methods keeps your STP odor-free, safe, and compliant with environmental standards.