Sewage Treatment Plant
Sewage Treatment Matters
Sewage Treatment Plants treat wastewater originating from industries and residential societies so it can be reused in construction, agriculture, cooling towers, horticulture and more. By removing contaminants and converting solids into nutrient-rich sludge or compost, an STP protects public health, supports water-positive operations and slashes freshwater demand.
TrueWaters – A Leading STP Manufacturer
Based in Pune with project teams in Delhi-NCR, Mumbai, Bengaluru and Chennai, TrueWaters engineers both civil- and skid-mounted mechanical STPs from 20 KLD to 10 MLD. Every plant meets Central/State Pollution Control Board (CPCB / SPCB) discharge norms and can be upgraded to Zero Liquid Discharge (ZLD).
End-to-end expertise: survey → design → fabrication → civil works → PLC-SCADA automation → O&M
200 + installations: residential townships, hotels, hospitals, IT parks, food & beverage, pharmaceuticals
24 × 7 support: IoT monitoring, annual maintenance contracts (AMC), rapid-response service teams
STP Configurations We Offer
| Technology | Ideal For | Key Benefit |
|---|---|---|
| Extended Aeration (EA) | Small-to-medium housing & hotels | Low sludge production |
| Submerged Aeration Fixed Film (SAFF) | Retrofits | Simple operation, no moving parts inside tank |
| Sequencing Batch Reactor (SBR) | Municipal & industrial flows with load variation | Batch control, high nitrification |
| Moving Bed Bio-Reactor (MBBR) | High-strength industrial wastewater | Compact footprint, robust media |
| Membrane Bio-Reactor (MBR) | Stringent reuse standards | <10 NTU turbidity, <1 mg/L TSS |
Advanced Options & Upgrades
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BIOFOR® high-rate biological filtration
FAB (Fluidised Aerobic Bioreactor) skid modules
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FBAS fixed-bed activated sludge hybrid
Rim-Flow Clarifiers for laminar, low-turbulence settling
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Eco-Bio Blocks to polish odour and trace organics
Typical Treatment Flow
Screen & Grit Removal
protects pumps and diffusers.
Equalisation Tank
balances hydraulic shocks.
Biological Process
EA, SBR, MBBR or MBR removes organics & nutrients.
Secondary Clarification / Membrane Separation
isolates biomass.
Tertiary Polishing
pressure sand, ACF, UV/ozone or RO to reach ZLD.
Sludge Dewatering
filter-press or centrifuge; cake ≥20 % solids.
Disinfection & Reuse
treated water reused, surplus safely discharged.
Features & Benefits at a Glance
Compact Footprint: up to 40 % space saving with MBBR/MBR
Energy-Efficient: premium-efficiency blowers & VFD pumps cut OPEX by 20-30 %
Corrosion-Resistant: FRP/SS304 internals for >15-year life
Automated: PLC with HMI + cloud dashboard, SMS/e-mail alerts
Low Maintenance: modular design, easy media replacement, minimal downtime
Future-Proof: ready for phosphorus removal, ammonia <5 mg/L, ZLD add-ons
Compliance Guarantee: written assurance of meeting CPCB / SPCB standards
Frequently Asked Questions
1. How do I size an STP for an apartment complex?
Multiply the number of flats by average daily wastewater generation (120–135 L/flat) and add a 10 % peak factor. TrueWaters’ engineers will fine-tune based on BOD/COD load.
2. What is the power consumption of an STP?
Varies with technology and flow. An MBBR-based 100 KLD plant typically draws 12–15 kW (0.12–0.15 kWh per m³).
3. How quickly can I recover my investment?
Reusing treated water for flushing, gardening and cooling saves up to ₹90 per kl in urban areas. Payback is usually 18–30 months.
4. Can an old conventional aeration plant be upgraded to MBR?
Yes. We retrofit compact membrane skids into existing aeration or clarifier basins, slashing footprint and improving effluent quality (<1 NTU).
5. Is STP sludge hazardous?
Biological sludge is classified as non-hazardous. After dewatering and optional composting, it can be used as soil conditioner if heavy-metal limits are met.
6. Do you offer remote monitoring?
Absolutely. Our IoT gateway streams flow, pH, DO, ORP and MLSS data to a secure dashboard; thresholds trigger alerts to onsite staff and our service desk.