VEPL – Eco-Friendly Sewage Treatment System (Reed Bed / Plantation-Based STP)
Nature-Based | Energy-Free | Maintenance-Lite | CPCB-Compliant
Ventilair Engineers Pvt. Ltd. (VEPL) proudly offers a natural, sustainable, and zero-energy sewage treatment solution — the Eco-Friendly Reed Bed Sewage Treatment System, also known as Plantation-Based STP. This system treats domestic sewage through constructed wetlands and rooted plants, mimicking nature’s own purification process.
Ideal for eco-resorts, farmhouses, rural institutions, hostels, schools, and off-grid housing, this solution offers low-cost operation, zero energy consumption, and near-zero maintenance, while complying with CPCB / State Pollution Control Board norms.
Technical Specifications
Feature | Specification |
Capacity Range | 1 KLD to 50 KLD |
Technology | Reed Bed / Root Zone / Constructed Wetland System |
Power Requirement | Zero (Gravity-Based Flow) |
Land Requirement | Approx. 10–12 m² per KLD |
Construction Material | RCC / Brick / HDPE lined beds |
Plants Used | Canna, Typha, Phragmites, Colocasia, Bamboo, etc. |
Sludge Management | Natural – Minimal Sludge Production |
Disinfection (Optional) | UV / Chlorination |
Final Polishing (Optional) | Slow Sand Filter / Activated Carbon / UF |
O&M Requirement | Minimal – Periodic Weeding and Trimming |
Compliance | CPCB / SPCB Standards |
Inlet & Outlet Parameters (Stage-Wise)
- Primary Treatment
(Screening → Grit Removal → Settling → Anaerobic Digestion in Septic or Settler Tank)
Parameter | Inlet (Raw Sewage) | After Primary Treatment |
BOD | 250 – 400 mg/L | 150 – 200 mg/L |
COD | 500 – 700 mg/L | 300 – 450 mg/L |
TSS | 200 – 350 mg/L | 100 – 150 mg/L |
Oil & Grease | 20 – 40 mg/L | < 20 mg/L |
pH | 6.5 – 8.5 | 6.5 – 8.5 |
- Secondary Treatment
(Reed Bed / Root Zone Filtration through Soil, Gravel & Plant Roots)
Parameter | After Primary | After Secondary Treatment |
BOD | 150 – 200 mg/L | < 30 mg/L |
COD | 300 – 450 mg/L | < 100 mg/L |
TSS | 100 – 150 mg/L | < 30 mg/L |
Ammonia | 10 – 25 mg/L | < 10 mg/L |
Odor | Moderate | Odor-free |
- Tertiary Treatment (Optional)
(Slow Sand Filter + Activated Carbon + Disinfection)
Parameter | After Secondary | After Tertiary Treatment |
BOD | < 30 mg/L | < 10 mg/L |
COD | < 100 mg/L | < 30 mg/L |
TSS | < 30 mg/L | < 5 mg/L |
Pathogen Count | Moderate | Up to 99% Removal |
Color/Odor | Slight Discoloration | Colorless, Odorless |
- After Ultrafiltration (Optional)
(If water is to be reused in flushing, washing, irrigation or cooling towers)
Parameter | After Tertiary | After UF Output |
BOD | < 10 mg/L | < 5 mg/L |
TSS | < 5 mg/L | < 1 mg/L |
Turbidity | < 5 NTU | < 1 NTU |
Pathogen Removal | Up to 99% | Up to 99.99% |
Benefits of VEPL’s Eco-Friendly STP (Reed Bed System)
- Zero Energy — No electricity or mechanical parts
- Fully Natural Process — Uses plants, soil, and gravity
- Low Maintenance — No aerators or blowers
- Sludge-Free Operation — No need for frequent desludging
- Aesthetically Pleasing — Doubles as green landscape
- Ideal for Off-grid or Low-Infrastructure Areas
- Perfect for LEED / IGBC / GRIHA green rating systems
- No Chemical Usage — 100% biological process
Ideal Applications
- Eco Resorts, Farmhouses, Agri Tourism
- Rural Schools & Hostels
- Off-grid Residential Buildings
- NGOs & Sanitation Projects
- Guest Houses & Small Hotels
- Parks, Gardens, and Community Toilets
- Wildlife Sanctuaries, Forest Camps, and Retreats
Why Choose VEPL for Nature-Based STPs?
- 1500+ installations across India & abroad
- Custom-designed systems based on climate & topography
- Decades of expertise in sustainable & low-cost wastewater systems
- Minimal footprint with long lifecycle
- End-to-end solution: Design → Civil Work → Commissioning → AMC