stp

Efficient, Compact & Plug-and-Play Sewage Treatment Solutions for Diverse Applications Ventilair Engineers Pvt. Ltd. (VEPL) presents its Packaged Sewage Treatment Plant (STP) — a fully assembled, factory-built sewage treatment system designed for quick installation, compact footprint, and reliable operation. Ideal for residential complexes, commercial offices, hospitals, educational institutions, and small industries, our packaged STPs come in capacities ranging from 5 KLD to 200 KLD with advanced biological treatment technologies. Built for ease of transport and plug-and-play installation, VEPL’s packaged STP guarantees compliance with CPCB/SPCB standards, low maintenance, and superior treated water quality—ready for reuse applications such as flushing, gardening, and cooling. Benefits of VEPL Packaged STP Factory-built & tested for plug-and-play installation Compact footprint – ideal for limited spaces Minimal civil work required Energy efficient with automated controls Superior effluent quality meeting regulatory norms Suitable for residential, commercial, healthcare, and institutional sectors Enables water recycling, reducing freshwater consumption Optional IoT-enabled remote monitoring for performance tracking Ideal Applications Residential apartment complexes Corporate offices & commercial buildings Hospitals & healthcare facilities Educational institutions & campuses Small to medium industries & factories

An Advanced Anaerobic Wastewater Treatment Solution by VEPL A Bio-Digester Based Sewage Treatment Plant (STP) is a biological wastewater treatment system that uses specially cultured anaerobic bacteria to decompose and digest human waste and organic sewage without the need for oxygen. It operates in airtight digesters, converting organic matter into biogas and producing minimal sludge, while generating treated water suitable for non-potable reuse such as irrigation or flushing. This technology offers a low-maintenance, eco-friendly, and decentralized solution for managing domestic sewage, especially in rural areas, hospitals, institutions, and off-grid locations. VEPL offers a robust and low-maintenance Bio-Digester Based Sewage Treatment Plant (STP), ideal for locations requiring eco-friendly, cost-effective, and decentralized sewage treatment. This system uses an anaerobic bio-digester to break down organic waste without the need for continuous power supply or complex operations, making it ideal for hospitals, institutions, rural areas, and government facilities. Recently, VEPL successfully installed a 100 KLD Bio-Digester STP at ESI Hospital, Kala Amb, Himachal Pradesh, serving as a benchmark in sustainable wastewater management in healthcare environments. Bio-Digester Based-1 Bio-Digester Based Bio-Digester Based-1 Bio-Digester Based Previous Next Technical Specifications Component Specification Treatment Capacity 1 KLD to 250 KLD (Scalable) Technology Anaerobic Bio-Digester with Optional Tertiary Treatment Influent BOD 200–350 mg/L Effluent BOD < 30 mg/L (can be <10 mg/L with polishing) Power Requirement Very Low (Optional aeration or tertiary treatment) Design Type RCC / FRP Modular Chambers Bio-Digester Media Bacterial Inoculum – Psychrophilic and Thermophilic strains Sludge Handling Minimal – Digested into biogas and treated water Odour Control Integrated Life Span >25 Years Operation Semi-Automated / Manual with Training Support Process Flow Description Inlet Chamber & Screening Removes large solids and grit Settler/Equalization Tank Homogenizes sewage for stable load to bio-digester Anaerobic Bio-Digester Uses specially cultured bacteria to degrade organic matter Produces biogas (methane + CO₂), which can be flared or utilized Secondary Treatment (Optional) Clarification or Polishing Filter (Sand, Activated Carbon) Tertiary Treatment (Optional) Reed Bed, UV/Chlorination for enhanced disinfection Treated Water Outlet Suitable for gardening, toilet flushing, landscaping, etc. Treatment Process & Parameters Primary Treatment (Screening, Oil & Grease Removal, Equalization) Parameter Inlet (Raw Sewage) Outlet (After Primary) pH 6.5 – 8.5 6.5 – 8.5 BOD 200 – 350 mg/L 150 – 200 mg/L COD 400 – 600 mg/L 250 – 400 mg/L TSS 150 – 300 mg/L 100 – 150 mg/L Oil & Grease 20 – 50 mg/L < 20 mg/L Secondary Treatment (Biological Treatment – MBBR/FAB/SBR + Clarifier) Parameter Inlet (From Primary) Outlet (After Secondary) BOD 150 – 200 mg/L < 30 mg/L COD 250 – 400 mg/L < 100 mg/L TSS 100 – 150 mg/L < 30 mg/L Ammonia (NH₄) 15 – 30 mg/L < 10 mg/L Odor Present Mild/Neutralized Tertiary Treatment (Sand Filter + Activated Carbon Filter + UV/Chlorination) Parameter Inlet (From Secondary) Outlet (After Tertiary) BOD < 30 mg/L < 10 mg/L COD < 100 mg/L < 30 mg/L TSS < 30 mg/L < 5 mg/L Pathogens Present 90–99% Removed Color & Odor Slight / Off Clear & Odor-Free After Ultrafiltration (UF) – Optional Final Polishing Parameter Inlet (From Tertiary) Outlet (After UF) BOD < 10 mg/L < 5 mg/L TSS < 5 mg/L < 1 mg/L Turbidity < 5 NTU < 1 NTU Pathogen Removal ~99% 99.99% Water Quality Non-potable reuse Reuse for gardening, flushing, cooling ✅ Project Highlight: 🔹 Client: ESI Hospital, Kala Amb, Himachal Pradesh 🔹 Capacity: 100 KLD 🔹 Commissioned by: VEPL 🔹 Features: Compact design Low operational cost Successfully treating hospital sewage with safe water reuse “The system has proven reliable with consistent effluent quality, reducing water footprint and ensuring regulatory compliance at ESI Hospital Kala Amb.” Key Features & Benefits Eco-Friendly: Zero chemical requirement Energy Efficient: Works largely without electricity No Frequent Sludge Disposal: Sludge digested inside reactor Low CAPEX & OPEX: Ideal for rural or institutional setups Modular Design: Easy to install, expand, or relocate Water Reuse: Treated water fit for irrigation or reuse Odour-Free: Proper venting and gas handling Applications Hospitals & Clinics Schools & Hostels Panchayats & Rural Clusters Defence Establishments Religious Places Industrial Canteens Railway Stations Standards & Compliance Ministry of Jal Shakti Guidelines DRDO Bio-Digester Norms (Where Applicable) Central Pollution Control Board (CPCB) Himachal Pradesh Pollution Control Board (HPPCB)

Ventilair Engineers Pvt. Ltd. (VEPL) is a leading ISO-certified company with over 25 years of expertise (Est. 1998) in wastewater treatment solutions. We specialize in Hybrid Effluent Treatment Plants (ETP) designed to handle the complex effluents of the Food & Beverage, Hospitality, and Restaurant industries. We are proudly: ISO Certified Registered on GEM (Government e-Marketplace) CPWD (Central Public Works Department) Registered Vendor Certified by NSIC (National Small Industries Corporation) Recognized under MSME (Micro, Small & Medium Enterprises) Ventilair’s Trusted Clientele Our systems are trusted by industry leaders and premium hospitality brands, including: Parle G Biscuits Nanaji Namkeen Ascot Hotels (Savoy Suites Group) Alka Hotel Rennison Hotel Radisson Hotel Tedu Leaf Olive Hotel Kahana Shyam Hotel Ice cream factories, restaurants, food courts, and central kitchens Key Technological Highlights Ventilair Speciality: MGF & ACF Filters Our Multigrade Filters (MGF) and Activated Carbon Filters (ACF) are specially engineered in-house by VEPL. Exclusive design and internal flow architecture enhance retention time, improve filtration rate, and extend media life. This proprietary design remains one of our core competitive advantages and is a key factor in plant performance. Superior Construction and Protection All mild steel (MS) structural components are coated with 3mm thick FRP (Fiber Reinforced Plastic) lining for exceptional resistance to: Corrosion Chemical exposure Harsh weather This protective layering drastically increases durability and reduces maintenance requirements. Durability & Warranty Plant lifespan: 12–15 years (MS Structure with FRP Coating) Warranty: We offer a 1-year unconditional warranty on the entire plant’s working, covering all core systems and performance. Complete Hybrid Process Unique Double Tube Settler Technology Our Double Tube Settler ETP is a unique hybrid system that integrates Physio-Chemical and Biological treatment processes in a compact and highly efficient design. This system ensures optimal water purification and is especially suitable for industries requiring high-quality treated water for reuse purposes such as: Pre-Treatment: Equalization, mud & oil traps, flow control Primary Treatment: physio-chemical process using automated flocculation, coagulation & sedimentation Secondary Treatment: MBBR-based biological treatment for BOD/COD reduction Tertiary Treatment: Special MGF/ACF filters, UV disinfection, ozonation Final Polishing: Ultra Filtration (UF) for water reuse quality Why Choose Ventilair Engineers? Over 25 years of industry expertise since 1998 In-house fabrication and design for total quality control Modular, space-saving, and customizable ETP solutions Compliance with NGT, CPCB, and SPCB water discharge norms Complete electrical & instrumentation setup, including: pH & flow monitoring (inlet/outlet) SCADA/PLC automation (optional) IoT-based remote diagnostics (optional) Water Reuse Applications Our Hybrid ETP ensures high-quality treated water, ideal for: Toilet flushing Cooling tower make-up water Horticulture & landscaping Boiler feed (with RO if required)

At Ventilair Engineers Pvt. Ltd. (VEPL), we specialize in providing advanced Effluent Treatment Plants (ETPs) tailored for hospitals, mortuaries, and medical institutions, where wastewater contains both gray water and hazardous biomedical waste. Our systems are designed to handle complex effluents that require multi-stage treatment to meet strict environmental norms. We have successfully installed over 200 biological ETP units across the country, helping clients stay compliant with the National Green Tribunal (NGT) and Pollution Control Board (PCB) regulations. Complex Nature of Hospital & Mortuary Effluent Screenshot 2025-10-30 125127 Effluent Screenshot 2025-10-30 125127 Effluent Previous Next Hospital and mortuary wastewater includes: Commercial / Gray Water Floor cleaning and general housekeeping water Washroom and laundry discharge Kitchen and handwashing effluent Medical & Surgical Wastewater Blood, tissue fluids, surgical waste Lab chemicals, sample residues, disinfectants Antibiotics, pharmaceuticals, and microbiological waste This mixed effluent must be treated in multiple steps to ensure that harmful chemicals, pathogens, and organic pollutants are fully neutralized. Regulatory Compliance: BOD < 10 mg/L for Reuse As per the latest guidelines from NGT and State Pollution Control Boards, if treated water is intended for reuse (for gardening, flushing, cooling towers, etc.), the Biochemical Oxygen Demand (BOD) must be below 10 mg/L. To achieve this stringent standard, Ventilair Engineers Pvt. Ltd. (VEPL) integrates a Membrane Bioreactor (MBR)-based Ultra Filtration system in the final stage of treatment. VEPL’s 4-Stage Advanced ETP Process Physico-Chemical Treatment Screening, equalization, and pH correction Coagulation and flocculation Removal of solids, heavy metals, and initial chemical load Biological Treatment Aerobic treatment via Activated Sludge, MBBR, or SBR Reduces BOD, COD, and organic load from both gray and biomedical wastewater UV Disinfection UV treatment or chlorination to kill pathogens, viruses, and bacteria Ensures safe microbiological quality Ultra Filtration via MBR Membrane Bioreactor (MBR) ensures filtration down to micro levels Reduces BOD to below 10 mg/L as required for water reuse Provides clear, odor-free, pathogen-free water suitable for non-potable reuse Why Choose VEPL for Hospital ETPs? 200+ successful installations across hospitals, labs, and mortuaries Proven treatment of dual wastewater types (gray + biomedical) Compliance with NGT & PCB BOD < 10 mg/L standards for reuse Fully automated, space-saving systems Energy-efficient and low maintenance Designed for safe discharge and treated water reuse Trusted by Healthcare Institutions Nationwide We proudly serve: Government & Private Hospitals Clinics & Medical Colleges Diagnostic Labs & Research Institutes Hostels & Healthcare Residential Facilities Our Commitment At Ventilair Engineers Pvt. Ltd. (VEPL), we understand the sensitivity and risk associated with hospital wastewater. That’s why our ETPs are designed to offer safe, sustainable, and regulation-compliant solutions, backed by technology like MBR-based Ultra Filtration to ensure your treated water meets the highest standards.

Advanced Effluent Treatment Solutions – 100–500 KLD Range Ventilair Engineers Pvt. Ltd. (VEPL) is an ISO 9001-certified, NSIC-registered, CPWD-approved, and GeM-listed company with over 1500+ successful ETP installations across India. In the 100–500 KLD segment, VEPL is a trusted provider of large-scale effluent treatment plants designed to manage high-effluent loads for industries, commercial developments, institutions, and infrastructure projects. We specialize in custom-engineered, regulatory-compliant, and automation-ready solutions that support water reuse and Zero Liquid Discharge (ZLD) goals while meeting CPCB/SPCB norms. Why VEPL for Big ETP Projects? ISO 9001 Certified – Robust quality assurance NSIC, CPWD & GeM Listed – Govt. project eligibility 1500+ Installations – 100+ in the large ETP range In-house Design to Commissioning – No third-party dependency SCADA/PLC-Based Automation – Optional remote operation Strong After-Sales Support – AMC, spares, and service team Cross-Industry Expertise – Cement, pharma, textile, defense, and more Big ETP Systems – 100–500 KLD | Technical Highlights Civil + Modular Construction – RCC with MS/FRP internal structures Technologies: MBBR, SBR, ASP, MBR, or Hybrid – Based on effluent type Water Reuse Ready – For flushing, HVAC, floor wash, etc. Sludge Management: Filter Press / Centrifuge / Screw Press – Based on client’s need Online Instrumentation – pH, DO, TDS, ORP, turbidity Expandable – Designed for phased capacity scaling ZLD-Ready – Integration with RO/UF & evaporators if required Components & Brands Overview – 100–500 KLD ETP Reliability Through Standby Systems All critical motors, pumps, and blowers have standby units installed Automatic or manual changeover through control panel Dual feeders and phase protection ensure uninterrupted power supply Preventive maintenance without halting the ETP operation Sludge Dewatering Options – Client Specific VEPL offers customized dewatering systems tailored to sludge load, industry, and operational needs: Filter Press (Standard) – With filter feed pump, robust and proven Centrifuge / Decanter – For fine, oily, or chemical sludge Screw Press / Belt Press – Low-noise, continuous system for industrial use Drying Beds (Optional) – As supplementary backup Final selection is based on client consultation, sludge characteristics, and regulatory needs. Why Choose VEPL’s Big ETPs (100–500 KLD)? Heavy-Duty Engineering – Designed for continuous load Process-Based Selection – Customized for wastewater chemistry Automation Optionality – From semi-auto to fully PLC-integrated Lower O&M Costs – Designed for ease of operation Branded Equipment Only – Assured warranty and long life Compliance Guaranteed – CPCB / SPCB / MoEF discharge norms met Tailored Layouts – Fit for site-specific constraints & expansions Industries We Serve with Large ETPs Steel, Cement, Chemicals, Fertilizers Pharma, Paint, Agrochemicals SEZs, Smart Cities, Housing Clusters Universities, Medical Institutions, Large Hospitals Textile, Printing, Garment Units Defense, Railways, Public Sector Utilities Our Trusted Clients Include Shree Cement, JK Lakshmi Cement, Ultratech Cement Indian Railways, DRDO, Defense Establishments Subharti University, Smart City Projects Textile, Dyeing & Plastic Recycling Units Hospitals & Infrastructure Developers Commercial Terms Installation: By VEPL technical team (mandatory) Freight: Extra, as per location Warranty: 12 months on all mechanical/electrical components Docs Provided: P&ID, Layout, O&M Manual, Compliance Certificate Support: Tender drawings, third-party coordination, technical liaison Our Vision “For every high-effluent challenge, VEPL delivers a high-performance, compliant, and future-ready solution.” Ready to Get Started? We can deliver this content in: Editable Word / Proposal Template Company Brochure (PDF with visuals) PowerPoint for Tenders/Presentations Custom Techno-Commercial Quotation Format Components & Brands Overview – 100–500 KLD ETP Includes standby for critical equipment for continuous 24/7 reliability Component Brand / Specification Pumps & Motors Kirloskar, Grundfos, Crompton – Main + standby for critical operations Air Blowers Everest, Trundean – Twin-lobe or screw-type, with standby for aeration Chemical Dosing Systems Grundfos, LMI, E-Dose – Auto dosing, with duty + standby configuration Sludge Pumps Submersible/MS vertical – Main + standby for sludge transfer & dewatering Piping & Valves HDPE / MS / CPVC – Industrial-grade, corrosion-resistant Reactors & Tanks RCC/MS-FRP – Designed to handle shock loads & surge volumes Tube Settlers/Clarifiers RCC / MS-FRP – Designed for optimum hydraulic efficiency Tertiary Filters (MGF/ACF) MS-FRP with multi-layered media & backwash system Electrical Control Panel L&T, Siemens, Schneider – IP65, with auto changeover for standby systems Instrumentation Hac

Engineered by VEPL for Smart Cities, Industries, and Institutions VEPL’s Large Capacity Sewage Treatment Plant (STP) is a custom-engineered, high-efficiency solution for treating and recycling large volumes of domestic or industrial wastewater — ranging from 500 KLD to campuses, these STPs are designed with cutting-edge technologies including: Sequential Batch Reactor (SBR) / Moving Bed Biofilm Reactor (MBBR) Tertiary Treatment with Ultra-Filtration (UF), UV, and Ozonation Sludge Handling with Filter Press and Drying Beds Advanced SCADA/PLC-based automation (Optional) Biological Treatment Media Type: High-surface-area MBBR media or batch-activated sludge Inoculation: EM Solution / Commercial Bacterial Culture Advantages: Faster start-up, stable performance under load fluctuations Sludge Handling: Sludge dewatering through filter press and disposal as per PCB norms Key Advantages Designed for 100% Reuse – Complies with Zero Liquid Discharge (ZLD) policies Automation-Ready – SCADA/PLC-enabled for remote monitoring Reliable Operation – Engineered for continuous duty with built-in redundancy Regulatory Compliant – CPCB, NGT, and state PCB approved discharge norms Long Lifespan – Heavy-duty construction for 20+ years of operation Expandable – Modular configuration for phased growth Applications Smart Cities & Municipal Townships IT Parks, SEZs, & Industrial Clusters Airports, Rail Terminals, & Stadiums Mega Housing Projects & Mixed-Use Developments Universities, Defense Zones, & Hospitals Construction Camps & Infrastructure Projects Certifications & Standards CPCB & SPCB Compliant ISO 9001:2015 Certified System Design RERA, NGT, and MoEF Guidelines Compliance Green Building Norms & IGBC Criteria Support

Efficient, Compact, and Smart Sewage Treatment Solutions by VEPL VEPL’s Medium Capacity Sewage Treatment Plant is a compact and highly efficient system designed to treat 50 KLD to 100 KLD of domestic sewage per day. Ideal for housing societies, hospitals, educational campuses, hotels, resorts, and small industrial units, this STP is built using proven biological treatment technologies (MBBR or SBR) and integrates advanced tertiary treatment systems such as Ultra Filtration (UF), UV disinfection, and optional Ozonation to ensure crystal-clear and reusable water. This system is customizable, modular, and designed to meet CPCB and local pollution control board norms. Biological Enhancers Type: EM Solution / Live Bacterial Culture Function: Accelerates breakdown of organic matter Form: Ready-to-use liquid/powder Application: Initial seeding and periodic dosing Key Features & Advantages CPCB & SPCB Compliant effluent quality Fully Recyclable Output Water Low Footprint Design – suitable for urban spaces Plug-and-Play System – minimal civil work Modular & Expandable Odor-Free and Silent Operation Low O&M Cost with durable accessories User-friendly control system with remote monitoring options (optional) Applications Residential Townships & Apartments Corporate Offices & IT Parks Hospitals & Medical Colleges Educational Institutions Industrial Parks (for domestic sewage) Hotels & Resorts Government Buildings & Guest Houses Compliance & Certifications CPCB / SPCB Norms ISO 9001:2015 Certified Design & Fabrication NGT / RERA Compliant Effluent Standards Pollution Control Board (PCB) Discharge Norms

VEPL’s Underground Sewage Treatment Plant is a fully concealed, silent, and efficient wastewater treatment solution designed for urban, commercial, and residential projects where space is limited or aesthetics are a priority. Built below ground level with access hatches, our UG-STPs ensure seamless integration into landscapes, basements, parking areas, or open spaces — without disrupting site utility or visual appeal. Ideal Applications Residential Apartments & Societies Hotels, Resorts, & Villas Commercial Complexes & Shopping Malls Corporate Campuses & IT Parks Educational Institutions & Hostels Smart Cities & Urban Projects Key Features Completely Underground – Saves valuable surface space Odor-Free & Noise-Free – Perfect for urban areas Modular & Expandable – Future-ready design Low Maintenance – Minimal operational cost Water Reuse-Ready – Reduces water consumption Fully Automated Option – PLC / SCADA for remote monitoring Product Overview Using advanced biological processes like MBBR, SBR, or ASP, VEPL UG-STPs provide robust performance with minimal footprint and zero surface-level structures. Designed for zero noise, no odor, and user-friendly operation, these STPs are ideal for housing societies, hotels, institutions, malls, and commercial buildings.