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 …

Global food security, which has emerged as one of the sustainability challenges, impacts
every country. As food cannot be generated without involving nutrients, research has …

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 …

Ammonia removal and recovery from wastewater have been a critical issue worldwide and a
key to achieve a sustainable nitrogen cycle and circular economy. Conventional ammonia …

The need for better nutrient management has spurred efforts towards more comprehensive
recycling of nutrients contained in human excreta to agriculture. Research in this direction …

Recovering nitrogen from separately collected urine can potentially reduce costs and energy
of wastewater nitrogen removal and fertilizer production. Through benchtop experiments, we …

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 …

The rising population relies heavily on expensive phosphate (P) fertilizers for its agricultural
productivity that qualms the national food security. Globally, there is a growing concern for …

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

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