For over 15 years, we have been pioneers in this field, constantly exploring and adopting the latest technologies that are both technologically advanced and commercially viable. Our goal is simple: to provide solutions that meet the evolving needs of society efficiently and effectively.

Working Principle

Our system operates on the principle of a patented Hybrid Anaerobic, Microaerophilic, and Aerobic Treatment process. This advanced technology leverages a synergistic combination of anaerobic, microaerophilic, and aerobic bacteria, offering a significant improvement over conventional sewage treatment methods used worldwide.

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This innovative approach not only enhances the efficiency of waste breakdown but also optimizes the entire treatment process, ensuring that the system is both effective and environmentally sustainable. By integrating these diverse bacterial processes, our treatment plants achieve superior results in a compact and cost-effective design, setting a new standard in sewage treatment technology.

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 Process Description

The sewage treatment process begins as the wastewater flows through a bar screen chamber, where large floating solids are removed. From here, the sewage is directed into an equalization tank, which also serves as an anaerobic digester. Within this anaerobic environment, high-rate anaerobic microbes go to work, breaking down fats, grease, and septic solids into volatile acids, methane, and carbon dioxide. The anaerobic microbial consortium, including autotrophic microbes, plays a crucial role in reducing harmful byproducts such as hydrogen sulfide, carbon monoxide, phosphine, and ammonia. During this initial stage, the Biochemical Oxygen Demand (BOD) and organic loads are reduced by 40-50%, while pathogens are effectively neutralized by organic acids and biocidal compounds produced during the process.

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The second stage of treatment involves a consortium of microaerophilic organisms, which are immobilized onto a solid support with a high surface area. This design allows for prolonged air contact as it travels through the reactor. The microbes, primarily facultative anaerobes, thrive in low-oxygen environments and efficiently extract energy from organic compounds via autotrophic metabolism. Air is naturally drawn in through a convectional draught during the sewage's transition from the anaerobic chamber. The unique corrugated zig-zag shape of the media ensures maximum oxygen exchange, reducing the need for forced aeration. At this stage, an additional 20% of the BOD is removed, leaving only 25-30% of the original BOD load in the sewage.

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The remaining BOD and organic loads are addressed in the final aeration process, where microbes attached to polymeric supports—boasting over 1,000 square meters per cubic meter of media—are continuously aerated using low-powered, submersible venturi aerators. Following aeration, the treated water is clarified in a lamellar clarifier and further filtered through Pressure Sand Filters (PSF) and Activated Carbon Filters (ACF).

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The sludge collected during clarification is partially recycled back into the aeration tank to maintain Mixed Liquor Suspended Solids (MLSS) levels, with the excess sludge being redirected to the anaerobic digester. Here, the anaerobic microbes digest the sludge, converting it into methane and CO2. This unique feature of the Eco-BUD system minimizes the challenges of daily sludge handling and disposal, resulting in a fully humified sludge that, after being reduced to just a few kilograms, can be transferred to green spaces as pure organic manure once a year.

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Our innovative sewage treatment plant (STP) design significantly cuts down on aeration and pumping requirements by over 60%, thanks to the utilization of gravity flows and natural anaerobic cum microaerophilic systems. This efficient approach not only reduces energy consumption but also decreases the overall footprint of the STP by 20% compared to conventional systems.

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Once the sewage has undergone primary treatment, the final polishing of the water is achieved through pressure sand filtration, followed by activated carbon filtration and disinfection. The resulting treated water is of high quality and can be repurposed for various applications such as gardening, borewell recharge, and flushing—particularly when polished further using a Root Zone Treatment system or Ultrafiltration.

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Moreover, the entire system is fully automated, which slashes manpower requirements by 80%, making it a highly efficient and cost-effective solution for modern sewage treatment needs.

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Other Technologies Available:

• ASP : Activated Sludge Process

• MBBR : Moving Bed Bioreactor

• SAFF : Submerged aerated Fixed Film

• SBR : Sequential Bioreactor

• MBR : Membrane Bio Reactor

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Bag Filtration Systems

Bag Filtration Systems offer a practical and efficient alternative to traditional sludge beds and filter press equipment. These systems are designed for simplicity and ease of operation, significantly reducing the hassles associated with daily sludge processing and disposal.

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The process involves pumping water or wastewater through a pressure vessel containing filtration elements known as bags. These bags are made of polypropylene (PP) and come in various micron ratings, ranging from 5 to 50 microns. They also have different capacities, typically 5 liters or 10 liters, for holding water.

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As the liquid flows through the bag filter, it is effectively cleared of suspended solids, allowing the filtered water to be continuously recycled back into the process or sent for further treatment. Over time, as the bag becomes clogged with suspended solids, back-pressure builds up, signalling that it’s time to remove and clean or replace the bag. Depending on the type of sludge, the bag can be reused for a specific period before needing replacement.

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This system streamlines the filtration process, making it a cost-effective and low-maintenance option for managing sludge in various water and wastewater treatment applications.

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Available Models:

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A. AKS 5 L BGF:

Dimensions: 7” x 16”

Flow Rate: 10-15 Cu.m/hr.

MOC: UPVC

Capacity of Bag: 5 liters

B. AKS 10 L BGF:

Dimensions: 7” x 32”

Flow Rate: 20-25 Cu.m/hr.

MOC: UPVC

Capacity of Bag: 10 liters

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The STP system is prefabricated and comes along with the following equipment:

• Pump of suitable make according to the Liquid to be filtered.

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• SS Skid - 1 no

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• Internal Piping, Valves, and Pressure gauges - 1 set