How does a Sewage Treatment Plant (STP) work?

A Sewage Treatment Plant (STP) operates by first removing large debris and solids through preliminary treatment. Next, in primary treatment, solids and grease are settled out. Secondary treatment then uses biological processes to break down organic matter. Tertiary treatment further purifies the water to remove any remaining contaminants. Finally, the water is disinfected to kill pathogens before being discharged or reused, ensuring it meets environmental standards.

What factors should I keep in mind while choosing the best Sewage Treatment Plant Manufacturer?

Choosing the right sewage treatment manufacturer requires a multi-pronged approach. Look for companies with experience in your project size and local regulations. Their technology should be advanced, sustainable, and compliant. Customization and future scalability are important. Prioritize quality, reliability, and good after-sales service. Consider energy efficiency, sludge management solutions, and responsive customer support to ensure a smooth and environmentally friendly wastewater treatment process.

What are the benefits of advanced Sewage Treatment technology?

Advanced Sewage Treatment technology offers numerous benefits, including more effective pollutant removal for cleaner water and a healthier ecosystem. These systems are energy-efficient, reduce sludge production, and simplify disposal, leading to significant cost savings over time. Investing in advanced sewage treatment is both an environmentally responsible and economically smart decision.

Which is the best STP technology?

SUSBIO ECOTREAT is a leading packaged STP known for its dual-treatment process, combining aerobic and anaerobic methods for effective waste removal. Its prefabricated design allows for modular, space-efficient installation, making it suitable for various applications. The system is highly efficient, with low operational costs and energy consumption, and is designed for easy maintenance and long-term durability.

What is the average cost of an STP Plant in India?

The average cost of a Sewage Treatment Plant (STP) in India varies based on capacity, technology, and location. Operating costs can range from INR 15 to INR 50 per cubic meter of treated water. For a small to medium-sized STP with a capacity of about 1 million liters per day (MLD), the monthly operating cost can range from INR 1.5 lakh to INR 5 lakh. Larger STPs with capacities of 10 MLD or more may have higher costs.

What is a Packaged STP?

A packaged STP is a compact, prefabricated system designed to treat sewage and wastewater in a modular, self-contained unit. It combines various treatment processes, such as screening, sedimentation, biological treatment, and disinfection, into a single package. Packaged STPs are easy to install and operate, making them suitable for residential, commercial, and small industrial applications, with reduced construction time and lower costs.

Why is it important to have a Sewage Treatment Plant?

A Sewage Treatment Plant (STP) is essential for safely managing and treating wastewater. STPs remove harmful contaminants, protect public health by preventing disease spread, preserve the environment by reducing pollution, and enable water reuse for irrigation or industrial purposes. They also ensure compliance with environmental regulations, making them vital for sustainable water management.

Who is the best Sewage Treatment Plant (STP) and Wastewater Treatment Plant Manufacturer and Supplier in India?

Sustainable Biosolutions Pvt Ltd is the best manufacturer and supplier of Sewage Treatment Plants (STPs) and Wastewater Treatment Plants in India. They offer innovative solutions like the advanced SUSBIO ECOTREAT, which ensures effective wastewater treatment, energy efficiency, and easy maintenance, making them a leader in the industry.

What is the lifespan of a Sewage Treatment Plant?

The lifespan of an advanced sewage treatment plant can vary depending on the design, materials used, and maintenance practices. However, a well-maintained STP can last anywhere from 20 to 50 years or more.

Cost of Residential Sewage Treatment Plant in India

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By Akshat Tyagi Latest Blogs January 20, 2025

Managing wastewater effectively is critical for residential complexes in India, where urbanization and population growth continue to place stress on the environment. Residential sewage treatment plant (STP) offer an efficient solution for treating wastewater, ensuring compliance with environmental regulations, and promoting sustainability. One of the most common questions that arises when considering an STP for residential use is: What does it cost? This blog delves into the factors influencing the cost of residential STP in India and provides a comprehensive guide to help you make an informed decision.

Factors Affecting the Cost of Residential STPs

The cost of a residential sewage treatment plant can vary widely depending on several factors. Here are the key determinants:

Capacity of the STP
- The size of the STP, measured in kiloliters per day (KLD), is a significant cost driver. Smaller systems (e.g., 5-10 KLD) are sufficient for small apartment complexes, while larger systems (50-200 KLD or more) are required for high-rise buildings or large gated communities.
Type of Technology Used
- The technology adopted for wastewater treatment greatly impacts costs. Popular options include:
  - Sequential Batch Reactor (SBR): Known for high efficiency, suitable for medium to large-scale applications.
  - Moving Bed Biofilm Reactor (MBBR): Cost-effective and compact, ideal for residential areas.
  - Membrane Bioreactor (MBR): Advanced technology that offers superior treated water quality but at a higher cost.
  - Activated Sludge Process (ASP): Common in traditional setups,but may require more space.
  - Packaged STP: Prefabricated systems that are easy to install, cost-effective, and designed for space efficiency, making them an excellent choice for residential complexes.
Material of Construction
- The material used for the STP’s tanks and components influences costs. Options include:
  - Reinforced Concrete: Durable but expensive and time-consuming to construct.
  - Fiber-Reinforced Plastic (FRP): Lightweight, prefabricated, and cost-effective.
  - Mild Steel or Stainless Steel: Suitable for specific applications, but often more expensive.
Prefabricated vs. Custom-Built
- Prefabricated STPs, such as SUSBIO ECOTREAT, are typically more cost-efficient and faster to install compared to custom-built solutions.
Installation and Civil Work
- Costs for excavation, plumbing, and electrical work can vary based on site conditions. Easy-to-install packaged STPs can significantly reduce these expenses.
Maintenance Requirements
- The long-term operational and maintenance costs are an important consideration. Energy-efficient systems may have a higher upfront cost but lower operating expenses.

Estimated Costs of Residential STPs in India

Here is a general estimate of costs based on the factors above:

Small-Scale Systems (5-10 KLD):
- Cost: ₹3 to ₹8 lakhs
- Suitable for: Small apartment complexes or standalone buildings.
Medium-Scale Systems (20-50 KLD):
- Cost: ₹8 to ₹20 lakhs
- Suitable for: Mid-sized residential societies or gated communities.
Large-Scale Systems (50-200 KLD or more):
- Cost: ₹20 to ₹50+ lakhs
- Suitable for: High-rise buildings or large housing societies.

These costs are indicative and can vary based on location, specific requirements, and customization.

Benefits of Investing in an STP

While the initial cost of a residential STP may seem significant, the benefits far outweigh the expense:

Environmental Compliance: Meet local and national wastewater treatment regulations.
Water Reuse: Treated water can be reused for landscaping, flushing, and other non-potable applications, reducing water bills.
Sustainability: Contribute to water conservation and environmental protection.
Long-Term Savings: Energy-efficient systems reduce operational costs over time.

Why Choose SUSBIO for Your Residential STP Needs?

SUSBIO is a leading name in sewage treatment solutions in India. Our SUSBIO ECOTREAT system offers a prefabricated, energy-efficient, and cost-effective solution tailored for residential complexes. With advanced technology, durable construction, and hassle-free installation, SUSBIO ECOTREAT ensures:

Optimal Performance: High efficiency in treating wastewater, even at high COD and BOD levels.
Durability: Made from high-quality fiber-reinforced plastic with a 10-year warranty.
Cost Savings: Reduced installation and operational costs.
Ease of Maintenance: In-house service teams for reliable support.

Conclusion

Investing in a residential sewage treatment plant is essential for sustainable living and regulatory compliance. By understanding the factors affecting costs and choosing the right solution, you can ensure efficient wastewater management for your residential complex.

With SUSBIO ECOTREAT, you get the perfect combination of quality, affordability, and sustainability. Contact SUSBIO today to learn more about how we can help you address your residential sewage treatment needs effectively.