Abstract In the past 10–15 years, the microbial fuel cell (MFC) technology has captured the
attention of the scientific community for the possibility of transforming organic waste directly …

Decarbonisation of the economy has become a priority at the global level, and the resulting
legislative pressure is pushing the chemical and energy industries away from fossil fuels …

Over the last 15 years, urine treatment technologies have developed from lab studies of a
few pioneers to an interesting innovation, attracting attention from a growing number of …

Highlights•Biological nitrogen removal and recovery approaches are reviewed.•Anammox
saves energy in side-stream treatment and is progressing toward mainstream.•Phototrophic …

Nitrogen recovery is the next step in the improvement of the wastewater treatment process,
utilizing this important nutrient for fertilizers to decrease use of energy, petrochemicals, and …

Recovering nitrogen from source-separated urine is an important part of the sustainable
nitrogen management. A novel bipolar membrane electrodialysis with membrane contactor …

The circular economy requires advanced methods to recycle waste matter such as
ammonia, which can be further used as a fuel and a precursor of numerous value-added …

We have previously described a novel flow-electrode capacitive deionization (FCDI) unit
combined with a hydrophobic gas-permeable hollow fiber membrane contactor (designated …

The application of bioelectrochemical systems mostly aims to be used for the generation of
electricity or chemicals. The quest to generate energy that is both sustainable and …