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Bindu | Megha Fruit Processing —
350 KLD DAF+MBR ETP

Aapaavani transformed an unstable 100 KLD ASP system into a highly efficient 350 KLD treatment train delivering consistent compliance and reuse-ready water.

Overview

Location: Puttur | Sangareddy & Vizag Capacity: 350 KLD DAF+MBR-Based ETP Sector: Beverage / FMCG

House of Bindu (Promoted by Megha Fruit Processing Pvt. Ltd.) is one of South India’s most recognisable beverage brands, best known for its flagship product, Bindu Jeera Fizz. Headquartered in Karnataka, the company has built a strong presence across India by combining traditional Indian flavours with modern bottling and distribution systems. With multiple manufacturing units and a rapidly expanding footprint, the company represents a new generation of Indian FMCG players balancing growth, product innovation and increasing responsibility towards water and environmental management.

For Aapaavani, the Bindu project became the first real test of whether a young engineering team could move from strong theoretical knowledge to dependable field execution. What began as an exercise to improve an existing treatment system soon became a defining project that shaped our engineering philosophy. It pushed us to explore deep field diagnostics and pilot-led validations, helping shape Aapaavani’s approach to complex industrial effluent treatment and revamp-led problem-solving.

The challenge

  • High-strength effluent: COD often crossed 3,000 mg/L, BOD ranged up to 2,100 mg/L, pH shifted from acidic to alkaline without warning, and TDS fluctuated sharply.
  • Biological instability: Intermittent sugar and fruit pulp loads repeatedly disturbed the biological system, lacking the buffering capacity and upstream stabilisation required for beverage effluent.
  • Compliance Risks: The plant could not consistently withstand these shock loads, leading to unstable performance, overreliance on operator judgment, and increasing compliance risks.

The solution

Rather than rushing into a rebuild, we asked for the opportunity to prove the revamp route. We implemented a phased transformation strategy, combining immediate stabilisation with long-term system redesign.

  • Pilot Validation: Installed an in-house 10,000 L/day demo plant within two days. Ran trials for two months, observing sedimentation, lamella clarification, aeration strategy, and shock-load behaviour.
  • Robust Pretreatment: Added a DAF + Lamella Clarifier to manage high pulp, solids, and upfront organic loads effectively.
  • Process Optimisation: Optimised the revamp strategy using existing civil infrastructure to manage cost, while enabling high MLSS operation for better shock load handling.
  • MBR Integration: Upgraded the 100 KLD ASP system into a 350 KLD, highly efficient treatment train using Membrane Bio-Reactor (MBR) technology, alongside automation and remote monitoring.
  • Sludge Management: Integrated a multi-disc screw press to streamline sludge dewatering and recycling.

Measured Outcomes

The revamped system has been operating reliably since 2021. The success of the first project turned into a long-term relationship, reflecting growing confidence in the team’s technical depth and execution quality.

(Lab-tested operating values from post-commissioning monitoring)

Sl No Chemical Parameters Units Inlet Result Maximum Permissible Limits
1 Chemical Oxygen Demand (COD) mg/L 5000-6000 <200 ≤250
2 BOD at 27 c (3 days) mg/L 1500-3000 <30 ≤30
3 Total Dissolved Solids (TDS) mg/L 1000-1200 Untraceable ≤50
4 Total Suspended Solids (TSS) mg/L 300-350 <50 ≤50
6 pH @ 25 C - 5-8 7.3 6.5 – 9.0

Why this project mattered

Bindu was not just Aapaavani’s first major industrial assignment. It became the project that transformed our engineering confidence into credibility, and taught the team how patient diagnostics, practical engineering and disciplined field trials can turn a difficult effluent into a stable, reusable water system.

verified
House of Bindu later entrusted Aapaavani with additional projects in Vizag and Sangareddy (Hyderabad). Over the last few years, all these plants have been managed with high reliability, minimal downtime and consistent compliance.

Want this outcome for your plant?

Request a 48-hour diagnostic: we’ll assess whether a scientific re-engineering can restore performance, reduce footprint and unlock water reuse for your plant.

Final Treatment Architecture

A multi-layered, resilient treatment system capable of handling variability at every stage.

  • Screening and oil/grease removal
  • Equalisation with aeration
  • Physico-chemical treatment (flocculation + DAF + lamella)
  • Biological treatment with MBR
  • Disinfection and reuse
  • Sludge dewatering and recycling

Process diagram + 3D layout

Process Diagram

KEY OUTCOMES

  • >98% reduction in Phosphorus, COD, BOD, & TDS.
  • Stable plant performance under fluctuating production loads.
  • Consistent compliance with regulatory standards.
  • Treated water fully reused for plantation irrigation.

Operational Resilience

Aapaavani addressed key challenges:

  • Sludge bulking from high sugar loads
  • EPS formation and membrane fouling
  • Foaming due to surfactants and organic load

Mitigation included:

  • Maintaining optimal MLSS and F/M ratio
  • Controlled chemical dosing and backwashing
  • Real-time monitoring and process control

Client perspective

“We asked them to prove their expertise first. Within two days, they installed a demo plant. Within a week, it was running. They stayed on-site, monitored performance round the clock, and delivered results. Today, our plant has been running reliably for years. Their technical depth, responsiveness, and humility stand out.”

— Executive Officer, House of Bindu

PROJECT VISUALS

Project Visual 1 Project Visual 2 Project Visual 3 Project Visual 4

Detailed Diagnostic & Approach

In early 2020, when Aapaavani Environmental Solutions had just started its journey, our focus was very clear. We wanted to work on industrial effluent treatment, especially complex wastewater, where the characteristics keep changing frequently.

Unlike domestic sewage, which has relatively stable pollution levels, industrial effluent behaves very differently. The load of organic and inorganic pollutants keeps fluctuating. Parameters like COD, BOD, pH, and TDS change continuously based on production cycles. This makes treatment much more challenging and requires a deeper technical understanding.

As young environmental engineers with strong academic backgrounds, both Chinmay and I believed that solving such real-world industrial problems would create a meaningful impact. With that intent, we started approaching industries and requesting opportunities to work, even on small projects.

We visited more than 25 to 30 industries during that period. Most of the clients appreciated our technical knowledge and clarity of concepts. However, there was one common concern. They were not confident in handing over a real industrial project to us because we did not have prior field experience.

To be honest, their concern was valid. We had a strong theoretical understanding, but we had not yet handled a full-scale complex industrial case on the ground. That phase taught us an important lesson as entrepreneurs. As a new startup, targeting greenfield projects directly would be difficult. Instead, we needed to find a way to prove our capability through practical results.

This is when we shifted our focus towards revamp projects.

Opportunity with Bindu

We approached Bindu Mineral Water Company, now widely known as House of Bindu, with a simple proposal.

We requested them to give us an opportunity to improve their existing treatment system rather than building a new one. Our idea was to work with the same infrastructure and most of the existing electromechanical equipment, but optimise the system through better flow management, selective equipment upgrades, and process balancing.

At that time, Bindu already had a treatment plant, but they were looking for ways to improve its efficiency and stability. The founder and managing director took a bold decision to trust a young team like ours. That single decision became a turning point in our journey.

The effluent at Bindu was highly complex and dynamic, making the treatment process extremely sensitive. Sudden shock loads would disturb the biological system and affect overall performance. To understand the behaviour of this effluent, we decided to conduct a detailed on-site pilot study.

During this period, we worked around the clock. Chinmay handled the day shifts, and I, along with our engineers, managed the night shifts. Every day, we observed, tested, and refined the process. We studied multiple aspects in detail.

We evaluated whether simple sedimentation would work or if lamella clarification was required due to pulp and suspended solids. We analysed the impact of sugar on biological degradation, tested different aeration strategies, including normal and extended aeration, optimised hydraulic retention time and solids retention time, and worked on maintaining stable MLSS levels and improving microbial health.

These real-time observations changed our entire perspective. We realised that textbook knowledge alone is not sufficient. In real industrial conditions, many assumptions do not hold true. Every system behaves differently, and only continuous observation and adaptation can lead to a stable solution.

After nearly two months of continuous trials and learning, we gained a clear understanding of the effluent behaviour in carbonated soft drink and fruit-based beverage production. Based on these insights, we redesigned the treatment approach.

Using basic sensors and data tracking, we were able to identify early signs of process disturbance. This helped in taking corrective action before the system went out of control.

One of the most important aspects of this project was working closely with the Bindu production team. We studied their production cycles and Clean-In-Place operations. Based on this, we helped in rescheduling and distributing the load more evenly to the treatment plant.

This coordination between production and treatment significantly reduced shock loads and improved overall system stability. Through this project, we established what we call the five fundamental principles of industrial effluent treatment:

  • Volume reduction
  • Strength reduction
  • Equalization
  • Neutralization
  • Proportioning

These principles became the foundation of our future designs and problem-solving approach. At Aapaavani, our confidence comes from the fact that when a system goes off track, we know how to diagnose the issue and bring it back to stable operation with minimal downtime.

Following the success of this project, House of Bindu continued to trust us with more opportunities. We expanded our work to multiple locations, including Visakhapatnam and Sangareddy. Today, several of their treatment plants are operated and maintained by Aapaavani.

The Bindu project was not just our first major industrial assignment. It was our learning ground. It transformed our understanding from theory to practice. It taught us patience, observation, and the importance of adapting to real conditions. Most importantly, it gave us the confidence that with the right approach, even complex and fluctuating industrial effluents can be managed effectively.

Dr Vishnu Sharma A
Founder and Director, Aapaavani Environmental Solutions

Client Testimony

To Whomsoever It May Concern

For years, our greatest challenge was not just the inconsistent quality of the treated water, but also finding a team that has the expertise to deploy quality engineering solutions. We had our Effluent Treatment Plant (ETP) installed many years ago, but achieving consistent results remained a major concern. Despite several attempts with different vendors, the treated water quality remained unreliable.

It was during this time that the founders of Aapaavani Environmental Solutions, Dr Vishnu Sharma and Mr Chinmaya, approached us. They offered to audit our system and explore the possibility of upgrading it to a membrane-based setup integrated with our plant. Given our past experiences with multiple vendors, we did not award the project directly. Instead, we asked them to prove their expertise on a trial scale.

To our surprise, they brought a fully functional demo plant of 10,000 litres per day within just two days. It covered preliminary, primary, secondary, and tertiary treatment units with automatic operation. The plant was installed and commissioned in less than a week. Both founders stayed on-site, monitoring operations round the clock, while their team presented daily results for a month. The Aapaavani team’s technical depth and commitment convinced us to entrust them with a complete revamp.

The full-scale turn-key project was executed with professionalism and precision. Despite being a young team, they proved their expertise, and the plant has now been running successfully for three years at our Puttur unit. Based on this performance, we also awarded them our Vizag and Hyderabad projects. Over the past four years, Aapaavani has managed our ETPs with high reliability, ensuring minimal downtime and consistent compliance. They are technically sound, quick to resolve issues, and always humble and sincere in their approach.

We truly appreciate their commitment and humility. Efficient wastewater treatment solutions are critical for both compliance and environmental stewardship. Aapaavani is doing it efficiently and with dedication. We wish them continued success in their journey.

— Executive Officer, House of Bindu, Megha Fruit Processing Pvt Ltd