They have not discontinued EBR
Direct from Fluences website:
https://www.fluencecorp.com/water-technology-showroom/
"Our Global Intellectual Property Portfolio
At the heart of our mission to create a better world through ongoing technological innovation is our global patent portfolio. At Fluence, we see intellectual property as an important aspect of technological development. Our patents extend across a wide range of treatment facets, including aeration, biofilms, sludge, mixing, energy efficiency, bioreactors, treatment processes, and product components.
We’re also working to standardize essential features of wastewater treatment to allow for standardized specification of energy consumption and energy efficiency.
In the field of biological wastewater treatment, we’ve just developed and launched the innovative and energy-efficient Membrane Aerated Biofilm Reactor (MABR), and we’re continuing to work on our Electrogenic Bio Reactor (EBR)."
