Ventilair Engineers Pvt. Ltd. (VEPL) is a leading manufacturer and supplier of advanced Grey Water Treatment Plants (ETP) in India since 1998. With a strong track record of delivering over 2000+ ETP & STP installations across India, we specialize in providing customized, efficient, and sustainable wastewater treatment solutions for laundries, hotels, residential societies, commercial complexes, and domestic grey water reuse systems.
Our Grey Water ETP systems are specially designed to treat wastewater generated from bathrooms, hand wash basins, showers, laundry units, and kitchen (non-oily) sources, ensuring safe reuse for flushing, gardening, cooling, and other non-potable applications.
What is Grey Water?
Grey water refers to relatively low-contaminated wastewater generated from domestic and commercial activities excluding toilet discharge (black water). Proper treatment of grey water helps in water conservation, reuse, and compliance with pollution control norms.
Our Advanced Grey Water ETP Technology
At VEPL, we offer Hybrid Grey Water Treatment Systems combining:
MBBR (Moving Bed Biofilm Reactor) Technology
Physico-Chemical Treatment
Tertiary Filtration & Disinfection
This hybrid approach ensures high BOD, COD, TSS removal efficiency with consistent treated water quality.
Process Flow of Grey Water Treatment Plant
Collection Tank / Equalization Tank
Screening & Oil Trap (if required)
pH Correction / Dosing System
Aeration Tank with MBBR Media
Secondary Clarifier
Pressure Sand Filter (PSF)
Activated Carbon Filter (ACF)
Disinfection (UV / Chlorination)
Treated Water Storage Tank
Technical Specifications
Capacity Range: 1 KLD to 1000+ KLD
Technology: MBBR + Physico-Chemical + Filtration
BOD Reduction: Up to 90–95%
COD Reduction: Up to 85–90%
TSS Removal: Up to 95%
Power Consumption: Optimized / Energy Efficient
Automation: Optional PLC / SCADA Based Control Panel
Material of Construction: MS, SS, FRP, RCC (as per requirement)
Sludge Handling: Filter Press / Sludge Drying Beds
Compliance: As per CPCB / SPCB norms
Key Features
Compact & Modular Design
Low Maintenance & Easy Operation
Odor-Free & Eco-Friendly System
High Treatment Efficiency
Long Life MBBR Media
Custom Design as per Site Requirement
Fully Automatic Operation (Optional)
Cost-Effective & Sustainable Solution
Applications of Grey Water ETP
Hotels & Resorts Grey Water Treatment
Laundry & Washing Units Effluent Treatment
Residential Societies / Apartments
Hostels, Hospitals & Institutions
Commercial Buildings & Malls
Domestic Grey Water Recycling Systems
Why Choose Ventilair Engineers Pvt. Ltd.?
Manufacturer since 1998
Successfully installed 2000+ ETP & STP Plants
Strong presence across PAN India
Expertise in MBBR Technology & Hybrid ETP Systems
In-house design, engineering & execution team
Proven experience in hotel, laundry & domestic grey water treatment projects
Quality Assurance & After-Sales Support
Benefits of Grey Water Treatment
Water Reuse & Conservation
Reduction in Fresh Water Consumption
Lower Operational Cost
Environment Friendly Solution
Compliance with Government Norms
Sustainable Wastewater Management
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