This case comes from a ~6.5 MGD (~30,000 m³/day) MBR plant, based on the plant’s official 2025 annual report.
The plant reported that working with Maji helped improve process stability and prevent biological conditions that can disrupt membrane filtration, including foaming events and filament overgrowth.
As written by the plant manager and process engineer:
“The success is reflected in maintaining low TTF values, which decreased from an average of 100 seconds in 2024 to 38 seconds in 2025, and have remained low in 2026 as well.”
This represents a reduction of more than 60% in TTF values, from 100 seconds to 38 seconds. For an MBR facility, this is a meaningful operational improvement because lower and more stable TTF values indicate better sludge filterability and lower risk of membrane-filtration disruption.
The report also stated:
“The close monitoring and support from the company prevented foaming events and the overgrowth of filaments that disrupt filtration.”
This is the central point of the case. The improvement was not only reflected in a better TTF value, but also in better control of the biological conditions that affect membrane performance.
For a plant of this size, preventing foaming, filament overgrowth, and poor filterability can translate into tens of thousands to more than $100,000 in avoided costs. These costs may come from additional chemicals, higher energy demand, more frequent membrane cleaning, emergency maintenance, mechanical stress, fines, or process interruptions.
In this case, the plant’s official annual report connected Maji’s monitoring and support with:
TTF reduction from 100 seconds to 38 seconds
Prevention of foaming events and filament overgrowth that disrupt filtration
Continued low TTF values into 2026
This case shows how Maji can support MBR performance by connecting biomass monitoring with filtration stability. For membrane plants, early visibility into biomass changes helps teams reduce process risk, avoid costly disruptions, and maintain more reliable operation over time.
*Picture taken from the official annual report.