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In India, where over 72,000 million litres of sewage are generated daily, the role of sewage treatment is pivotal in safeguarding our water resources for future generations. Untreated wastewater threatens rivers, groundwater, and public health, but advanced sewage treatment plants (STPs) offer a sustainable solution to transform this challenge into an opportunity.
At SKF Elixer, we lead this transformation with our Anaerobic-Aerobic Bio Reactor (AABR) STPs, designed to deliver clean, reusable water tailored for India’s urban and rural landscapes. Our systems ensure a healthier environment and a secure water future for our children.
This blog explores the critical role of STPs in securing clean water, the processes that make them effective, and how SKF Elixer’s AABR technology contributes to sustainable water management. Whether you’re a municipal planner in Bengaluru, a factory manager in Gujarat, or a community leader in rural Odisha, our insights will illuminate the path to a cleaner, more sustainable tomorrow.
The Urgent Need for Sewage Treatment in India
India’s water crisis is stark as only 30% of sewage is reportedly adequately treated, with the rest polluting rivers like the Ganga and Yamuna, contributing to 70% of surface water contamination. This leads to 1.5 lakh annual deaths from waterborne diseases and environmental damages costing ₹50,000 crore yearly.
A city of 1 million people generates 100–200 million litres of sewage daily, and untreated discharge can contaminate 500 million litres of groundwater, costing communities ₹5–10 lakh annually in health expenses. Industrial sectors, producing 500 million litres of effluent daily, face fines of ₹1–5 lakh for non-compliance with Central Pollution Control Board (CPCB) norms.
Sewage treatment plants are essential for treating wastewater, protecting ecosystems, and enabling water reuse. SKF Elixer’s AABR STPs, with their energy-efficient and compact design, play a vital role in ensuring clean water for future generations, aligning with initiatives like the National Mission for Clean Ganga and Swachh Bharat Mission. Read more on how STP sewage water system treatment work.
What Is a Sewage Treatment Plant?
A Sewage Treatment Plant (STP) is a facility designed to remove contaminants from wastewater, making it safe for discharge or reuse. The STP plant process involves physical, biological, and chemical treatments to eliminate solids, organic matter, and pathogens.
SKF Elixer’s AABR STPs use a unique combination of anaerobic and aerobic processes, achieving 90–95% pollutant removal, producing effluent with Biochemical Oxygen Demand (BOD) below 20 mg/L, compliant with CPCB standards.
The STP Plant Process: How It Secures Clean Water
SKF Elixer’s AABR STPs follow a streamlined process to treat wastewater effectively:
1. Preliminary Treatment
Screens and grit chambers remove large debris (2–4 kilograms per 10,000 litres) and solids, protecting downstream systems. For a 100 KLD (kilolitres per day) plant, this reduces maintenance costs by ₹30,000–₹50,000 annually.
2. Primary Treatment
Sedimentation tanks settle heavier solids, forming sludge and removing 50% of total suspended solids (TSS). This prepares wastewater for biological treatment, ensuring efficiency in urban settings like Mumbai.
3. Secondary Treatment (AABR Process)
The core of SKF Elixer’s technology, AABR uses baffled chambers with anaerobic and aerobic zones. Anaerobic microbes degrade organic matter without oxygen, while aerobic zones with fixed biofilm media remove 90–95% of BOD and COD. For a 50 KLD plant, this treats 45,000–48,000 litres daily, producing effluent suitable for reuse, saving ₹1–2 lakh annually in water costs.
4. Tertiary Treatment
UV disinfection or ozonation eliminates 99.99% of pathogens, ensuring effluent meets CPCB standards (fecal coliform <100 MPN/100 mL). This enables safe discharge or reuse for irrigation, saving ₹2–3 lakh annually for a 200 KLD plant.
5. Sludge Management
AABR generates minimal sludge (50–100 kilograms daily for a 50 KLD plant), which is dewatered by 80% for use as fertilizer, generating ₹20,000–₹40,000 annually for rural communities.
Importance of STPs in Providing Clean Water to Cities
STPs are vital for urban water management. In cities like Bengaluru, a 500 KLD STP treats 450,000–475,000 litres daily, enabling 80–90% water reuse for non-potable uses like flushing or landscaping. This reduces freshwater demand by 400,000 litres daily, saving ₹3–5 lakh annually in water procurement costs.
SKF Elixer’s AABR STPs, with their compact design, are ideal for space-constrained urban areas, ensuring clean water availability for future generations.
Role of Modern STPs in Sustainable Water Management
Modern STPs, like SKF Elixer’s AABR systems, contribute to sustainability by:
Water Reuse: Treated water (BOD <20 mg/L) is reused for irrigation or industrial processes, conserving 100,000–200,000 litres daily for a 200 KLD plant, aligning with India’s water conservation goals.
Energy Efficiency: AABR consumes 30–40% less power than traditional systems, saving ₹50,000–₹1 lakh annually for a 50 KLD plant, ideal for power-scarce regions like Uttar Pradesh.
Low Maintenance: Durable biofilm media (15-year lifespan) reduces replacement costs by ₹2–3 lakh over the system’s life, ensuring long-term affordability.
How STPs Protect the Environment and Future Generations
STPs prevent environmental degradation and secure water for the future by:
Reducing Pollution: Remove 90–95% of pollutants, preventing 500 million litres of groundwater contamination annually for a city of 1 million, saving ₹5–10 lakh in remediation costs.
Protecting Ecosystems: Clean effluent preserves aquatic life in rivers like the Yamuna, reducing biodiversity loss valued at ₹10,000 crore annually.
Supporting Circular Economy: Reused water and sludge-based fertilizers promote resource recovery, generating ₹20,000–₹40,000 annually for communities.
Benefits of Wastewater Reuse Through Sewage Treatment Plants
SKF Elixer’s AABR STPs enable wastewater reuse, offering:
Water Conservation: Reclaim 80–90% of water (80,000–180,000 litres daily for a 200 KLD plant), reducing freshwater strain.
Cost Savings: Reuse saves ₹2–3 lakh annually in water costs for municipalities or industries in Gujarat.
Health Benefits: Clean water prevents 1,000–2,000 illness cases annually per 500 KLD plant, saving ₹5–10 lakh in healthcare costs.
Sustainability: Supports India’s Jal Jeevan Mission by ensuring long-term water availability.
Why Choose SKF Elixer?
With years of expertise, SKF Elixer delivers BIS and CPCB-certified AABR STPs tailored for India’s diverse climates. Our systems, starting at ₹5 lakh for 10 KLD, offer options, support, and AMCs, ensuring 98% uptime. From urban centers to rural villages, we provide sustainable solutions for clean water.
Conclusion
Sewage treatment plants are critical for securing clean water for future generations, protecting the environment, and promoting sustainability. SKF Elixer’s AABR STPs deliver efficient, cost-effective, and eco-friendly wastewater treatment, ensuring a healthier planet for our children.
By investing in our systems, you contribute to a sustainable water future.
Ready to secure clean water for the next generation? Contact SKF Elixer to explore our solutions.
FAQs
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1. How do sewage treatment plants help secure clean water for future generations?
STPs remove 90–95% of pollutants, enabling water reuse and preventing contamination of 500 million litres of groundwater annually for a city of 1 million, saving ₹5–10 lakh in remediation costs and ensuring sustainable water availability.
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2. What is the importance of STPs in providing clean water to cities?
STPs treat 450,000–475,000 litres daily for a 500 KLD plant, enabling 80–90% reuse for non-potable uses, saving ₹3–5 lakh annually in water costs and reducing freshwater demand in cities like Bengaluru.
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3. What is the role of modern STPs in sustainable water management?
Modern STPs, like SKF Elixer’s AABR systems, reclaim 80–90% of water, consume 30–40% less power (saving ₹50,000–₹1 lakh annually for 50 KLD), and support reuse, aligning with India’s water conservation goals.
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4. How do STPs protect the environment and future generations?
STPs prevent river and groundwater pollution, preserving ecosystems and reducing biodiversity loss valued at ₹10,000 crore annually. SKF Elixer’s AABR STPs ensure clean effluent, supporting long-term environmental health.
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5. What are the benefits of wastewater reuse through sewage treatment plants?
Reuse conserves 80,000–180,000 litres daily for a 200 KLD plant, saves ₹2–3 lakh annually in water costs, prevents 1,000–2,000 illness cases (₹5–10 lakh in healthcare savings), and promotes sustainability.
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